When is the best time to book a flight from North America to Ontario?

Currently, October is the cheapest month in which you can book a flight from North America to Ontario (average of $238). Flying from North America to Ontario in July is currently the most expensive (average of $338). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How recently were the North America to Ontario flight deals updated?

The North America to Ontario flight deals you see on this page were last updated on 5/16.

What are the most popular routes from North America to Ontario?

The most popular flight routes from North America to Ontario are Dallas/Fort Worth - Ontario, New York John F Kennedy Intl - Ontario and Seattle/Tacoma Intl - Ontario.

Can I find flights from North America to Ontario for under $100 on Cheapflights?

Yes, there are multiple flights from North America to Ontario for under $100. The cheapest flight booked recently is on Frontier for just $38, but on average you can expect to pay $50.

Are there nonstop flights from North America to Ontario for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from North America to Ontario under $100. A good price for a nonstop flight from North America to Ontario is less than $54.

Are there last-minute flights available from North America to Ontario for under $100?

There are currently 20+ open flights from North America to Ontario within the next 7 days for less than $100.

What airport do you fly into for flights to Ontario from North America?

If you book a flight to Ontario from North America, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

What does LAX to ONT mean?

Great question - LAX to ONT just means Los Angeles Airport to Ontario Airport. Now you’ll know what these unique codes when you look for flights! San Francisco Airport (SFO), Miami Airport (MIA), New York John F Kennedy Intl Airport (JFK), Boston Logan Intl Airport (BOS), Atlanta Hartsfield-Jackson Airport (ATL) are other airports near this flight route and their unique identifiers/IATA codes.

Can I find deals for flights from North America to Ontario that include extra baggage allowance?

The amount of baggage you can bring on your North America to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Can I find deals on flights from North America to Ontario with specific airlines?

Yes, Cheapflights allows you to browse and filter North America to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Can I find deals for flights from North America to Ontario that include hotel bookings?

Yes. In addition to deals on North America to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from North America to Ontario?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from North America to Ontario.

Can I find deals for business class flights from North America to Ontario?

Yes. Cheapflights offers flight deals from North America to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Can I find deals for flights from North America to Ontario that allow pets onboard?

Many airlines flying from North America to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Can I find deals on last-minute flights from North America to Ontario?

Yes, you can often find last-minute deals on North America to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

Flights from North America to Ontario, CA from $33

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

How far in advance should I book a flight from North America to Ontario?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 16 days in advance, which can save you up to 73% on flights from North America to Ontario compared to booking the week you need them. Waiting 16 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $412. For sooner than that we have options available in the next 3 days from $575.

What is the cheapest month to fly from North America to Ontario?

The best pricing can be found in the month of September. Prices to Ontario from North America average $366. You can even find prices in September for less than $366, as users have found deals to Ontario from as low as $132. The month of December appears to be one of the more expensive times to travel to Ontario from North America. Flying in the targeted month can save you up to 31%.

When is the cheapest time to fly from North America to Ontario (NA - ONT)?

When flying from North America to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Frontier flights from North America to Ontario

Sun 5/265:15 amSFO - ONT

Nonstop1h 24mFrontier

Tue 6/118:09 amONT - SFO

Nonstop1h 28mFrontier

Deal found 5/15$38

Sat 6/225:45 amSFO - ONT

Nonstop1h 23mFrontier

Tue 6/257:59 amONT - SFO

Nonstop1h 27mFrontier

Deal found 5/15$39

Tue 6/185:45 amSFO - ONT

Nonstop1h 23mFrontier

Sat 6/227:59 amONT - SFO

Nonstop1h 27mFrontier

Deal found 5/15$41

Sat 6/15:15 amSFO - ONT

Nonstop1h 24mFrontier

Wed 6/58:14 amONT - SFO

Nonstop1h 28mFrontier

Deal found 5/16$44

Sat 6/15:15 amSFO - ONT

Nonstop1h 24mFrontier

Thu 6/67:59 amONT - SFO

Nonstop1h 27mFrontier

Deal found 5/15$45

Wed 6/125:15 amSFO - ONT

Nonstop1h 23mFrontier

Sat 6/157:59 amONT - SFO

Nonstop1h 27mFrontier

Deal found 5/15$47

Wed 5/295:15 amSFO - ONT

Nonstop1h 24mFrontier

Sun 6/27:39 amONT - SFO

Nonstop1h 28mFrontier

Deal found 5/16$48

Fri 6/145:45 amSFO - ONT

Nonstop1h 23mFrontier

Tue 6/187:59 amONT - SFO

Nonstop1h 27mFrontier

Deal found 5/15$49

Sat 7/275:15 amSFO - ONT

Nonstop1h 21mFrontier

Sat 8/37:36 amONT - SFO

Nonstop1h 26mFrontier

Deal found 5/15$50

Cheap Delta flights from North America to Ontario

Wed 6/198:15 amSEA - ONT

Nonstop2h 45mDelta

Tue 6/255:00 pmONT - SEA

1 stop6h 59mDelta

Deal found 5/16$166

Wed 6/268:15 amSEA - ONT

Nonstop2h 45mDelta

Wed 7/105:00 pmONT - SEA

1 stop7h 01mDelta

Deal found 5/15$186

Tue 7/236:05 amDEN - ONT

1 stop8h 15mDelta

Wed 7/316:00 amONT - DEN

1 stop5h 09mDelta

Deal found 5/15$196

Mon 7/2212:15 pmDEN - ONT

1 stop6h 57mDelta

Wed 7/311:21 pmONT - DEN

1 stop4h 28mDelta

Deal found 5/15$216

Sat 8/316:00 amJFK - ONT

1 stop8h 10mDelta

Thu 9/511:30 amONT - JFK

1 stop9h 33mDelta

Deal found 5/15$256

Sat 5/256:00 pmDEN - ONT

1 stop4h 39mDelta

Tue 6/41:20 pmONT - DEN

1 stop4h 56mDelta

Deal found 5/16$266

Fri 5/246:10 pmDEN - ONT

1 stop6h 33mDelta

Wed 5/295:20 pmONT - DEN

1 stop4h 54mDelta

Deal found 5/15$286

Sun 5/267:10 amEWR - ONT

1 stop8h 03mDelta

Mon 6/310:00 pmONT - EWR

1 stop8h 15mDelta

Deal found 5/15$296

Sat 5/256:22 pmDFW - ONT

1 stop5h 17mDelta

Fri 5/315:20 pmONT - DFW

1 stop5h 16mDelta

Deal found 5/16$297

Cheap North America to Ontario flights in May & June 2024

Wed 6/125:15 amSFO - ONT

Nonstop1h 23mFrontier

Sat 6/157:59 amONT - SFO

Nonstop1h 27mFrontier

Deal found 5/15$47

Wed 5/295:15 amSFO - ONT

Nonstop1h 24mFrontier

Thu 6/67:59 amONT - SFO

Nonstop1h 27mFrontier

Deal found 5/16$48

Fri 6/145:45 amSFO - ONT

Nonstop1h 23mFrontier

Tue 6/187:59 amONT - SFO

Nonstop1h 27mFrontier

Deal found 5/15$49

Sun 6/165:15 amSFO - ONT

Nonstop1h 23mFrontier

Sat 6/227:59 amONT - SFO

Nonstop1h 27mFrontier

Deal found 5/16$50

Fri 6/145:45 amSFO - ONT

Nonstop1h 23mFrontier

Tue 6/187:59 amONT - SFO

Nonstop1h 27mFrontier

Deal found 5/15$51

Fri 5/245:15 amSFO - ONT

Nonstop1h 24mFrontier

Sun 5/267:39 amONT - SFO

Nonstop1h 28mFrontier

Deal found 5/15$52

Sat 6/15:15 amSFO - ONT

Nonstop1h 24mFrontier

Sat 6/17:39 amONT - SFO

Nonstop1h 28mFrontier

Deal found 5/15$53

Wed 5/225:15 amSFO - ONT

Nonstop1h 24mFrontier

Thu 5/237:39 amONT - SFO

Nonstop1h 28mFrontier

Deal found 5/15$54

Thu 5/305:15 amSFO - ONT

Nonstop1h 24mFrontier

Sun 6/27:39 amONT - SFO

Nonstop1h 28mFrontier

Deal found 5/15$55

North America to Ontario 2024 flight deals

Wed 6/125:15 amSFO - ONT

Nonstop1h 23mFrontier

Sat 6/157:59 amONT - SFO

Nonstop1h 27mFrontier

Deal found 5/15$47

Wed 5/295:15 amSFO - ONT

Nonstop1h 24mFrontier

Thu 6/67:59 amONT - SFO

Nonstop1h 27mFrontier

Deal found 5/16$48

Fri 6/145:45 amSFO - ONT

Nonstop1h 23mFrontier

Tue 6/187:59 amONT - SFO

Nonstop1h 27mFrontier

Deal found 5/15$49

Sun 6/165:15 amSFO - ONT

Nonstop1h 23mFrontier

Sat 6/227:59 amONT - SFO

Nonstop1h 27mFrontier

Deal found 5/16$50

Fri 6/145:45 amSFO - ONT

Nonstop1h 23mFrontier

Tue 6/187:59 amONT - SFO

Nonstop1h 27mFrontier

Deal found 5/15$51

Fri 5/245:15 amSFO - ONT

Nonstop1h 24mFrontier

Sun 5/267:39 amONT - SFO

Nonstop1h 28mFrontier

Deal found 5/15$52

Sat 6/15:15 amSFO - ONT

Nonstop1h 24mFrontier

Sat 6/17:39 amONT - SFO

Nonstop1h 28mFrontier

Deal found 5/15$53

Sat 10/55:15 amSFO - ONT

Nonstop1h 21mFrontier

Sun 10/67:36 amONT - SFO

Nonstop1h 26mFrontier

Deal found 5/15$54

Thu 5/305:15 amSFO - ONT

Nonstop1h 24mFrontier

Sun 6/27:39 amONT - SFO

Nonstop1h 28mFrontier

Deal found 5/15$55

Non-stop flights to Ontario from North America

Wed 6/125:15 amSFO - ONT

Nonstop1h 23mFrontier

Sat 6/157:59 amONT - SFO

Nonstop1h 27mFrontier

Deal found 5/15$47

Wed 5/295:15 amSFO - ONT

Nonstop1h 24mFrontier

Thu 6/67:59 amONT - SFO

Nonstop1h 27mFrontier

Deal found 5/16$48

Fri 6/145:45 amSFO - ONT

Nonstop1h 23mFrontier

Tue 6/187:59 amONT - SFO

Nonstop1h 27mFrontier

Deal found 5/15$49

Sun 6/165:15 amSFO - ONT

Nonstop1h 23mFrontier

Sat 6/227:59 amONT - SFO

Nonstop1h 27mFrontier

Deal found 5/16$50

Fri 6/145:45 amSFO - ONT

Nonstop1h 23mFrontier

Tue 6/187:59 amONT - SFO

Nonstop1h 27mFrontier

Deal found 5/15$51

Fri 5/245:15 amSFO - ONT

Nonstop1h 24mFrontier

Sun 5/267:39 amONT - SFO

Nonstop1h 28mFrontier

Deal found 5/15$52

Sat 6/15:15 amSFO - ONT

Nonstop1h 24mFrontier

Sat 6/17:39 amONT - SFO

Nonstop1h 28mFrontier

Deal found 5/15$53

Wed 5/225:15 amSFO - ONT

Nonstop1h 24mFrontier

Thu 5/237:39 amONT - SFO

Nonstop1h 28mFrontier

Deal found 5/15$54

Thu 5/305:15 amSFO - ONT

Nonstop1h 24mFrontier

Sun 6/27:39 amONT - SFO

Nonstop1h 28mFrontier

Deal found 5/15$55

North America to Ontario flights leaving soon

Fri 5/245:15 amSFO - ONT

Nonstop1h 24mFrontier

Sun 5/267:39 amONT - SFO

Nonstop1h 28mFrontier

Deal found 5/16$66

Wed 5/221:57 pmSEA - ONT

Nonstop2h 44mFrontier

Tue 6/410:04 amONT - SEA

Nonstop2h 53mFrontier

Deal found 5/15$68

Sat 5/255:15 amSFO - ONT

Nonstop1h 24mFrontier

Mon 6/107:59 amONT - SFO

Nonstop1h 27mFrontier

Deal found 5/15$68

Fri 5/245:15 amSFO - ONT

Nonstop1h 24mFrontier

Tue 5/287:39 amONT - SFO

Nonstop1h 28mFrontier

Deal found 5/15$69

Fri 5/245:15 amSFO - ONT

Nonstop1h 24mFrontier

Tue 6/118:09 amONT - SFO

Nonstop1h 28mFrontier

Deal found 5/15$72

Sat 5/255:15 amSFO - ONT

Nonstop1h 24mFrontier

Sat 6/17:39 amONT - SFO

Nonstop1h 28mFrontier

Deal found 5/15$73

Tue 5/215:15 amSFO - ONT

Nonstop1h 24mFrontier

Tue 5/287:39 amONT - SFO

Nonstop1h 28mFrontier

Deal found 5/15$75

Sat 5/255:15 amSFO - ONT

Nonstop1h 24mFrontier

Tue 5/287:39 amONT - SFO

Nonstop1h 28mFrontier

Deal found 5/16$76

Wed 5/221:57 pmSEA - ONT

Nonstop2h 44mFrontier

Wed 5/2910:04 amONT - SEA

Nonstop2h 53mFrontier

Deal found 5/15$78

One-way flights to Ontario from North America

Tue 6/41:57 pmSEA - ONT

Nonstop2h 44mFrontier

Deal found 5/16$33

Mon 5/275:15 amSFO - ONT

Nonstop1h 24mFrontier

Deal found 5/15$33

Tue 6/45:05 amDFW - ONT

Nonstop3h 09mFrontier

Deal found 5/15$34

Sat 6/83:36 pmSEA - ONT

Nonstop2h 44mFrontier

Deal found 5/15$34

Mon 5/275:15 amSFO - ONT

Nonstop1h 24mFrontier

Deal found 5/16$34

Wed 9/1810:20 pmDEN - ONT

Nonstop2h 19mFrontier

Deal found 5/15$34

Fri 7/195:50 amSFO - ONT

Nonstop1h 22mFrontier

Deal found 5/15$36

Tue 8/2010:20 pmDEN - ONT

Nonstop2h 19mFrontier

Deal found 5/15$36

Sat 8/105:05 amDFW - ONT

Nonstop3h 02mFrontier

Deal found 5/15$37

Find flights from North America to Ontario within your budget

Fly from

Fly to

Budget

$38 - $166

Route

Depart

Return

Price

San FranciscoOntario

SFO - ONT

SFOONT

San Francisco

Sun 5/26

Nonstop1h 24m

Ontario

Tue 6/11

Nonstop1h 28m

$38

San FranciscoOntario

SFO - ONT

SFOONT

San Francisco

Sat 6/22

Nonstop1h 23m

Ontario

Tue 6/25

Nonstop1h 27m

$39

San FranciscoOntario

SFO - ONT

SFOONT

San Francisco

Tue 6/18

Nonstop1h 23m

Ontario

Sat 6/22

Nonstop1h 27m

$41

San FranciscoOntario

SFO - ONT

SFOONT

San Francisco

Sat 6/1

Nonstop1h 24m

Ontario

Wed 6/5

Nonstop1h 28m

$44

San FranciscoOntario

SFO - ONT

SFOONT

San Francisco

Sat 6/1

Nonstop1h 24m

Ontario

Thu 6/6

Nonstop1h 27m

$45

San FranciscoOntario

SFO - ONT

SFOONT

San Francisco

Wed 6/12

Nonstop1h 23m

Ontario

Sat 6/15

Nonstop1h 27m

$47

San FranciscoOntario

SFO - ONT

SFOONT

San Francisco

Wed 5/29

Nonstop1h 24m

Ontario

Sun 6/2

Nonstop1h 28m

$48

San FranciscoOntario

SFO - ONT

SFOONT

San Francisco

Fri 6/14

Nonstop1h 23m

Ontario

Tue 6/18

Nonstop1h 27m

$49

Seattle/Tacoma IntlOntario

SEA - ONT

SEAONT

Seattle/Tacoma Intl

Wed 6/19

Nonstop2h 45m

Ontario

Tue 6/25

1 stop6h 59m

$166

Flights are sorted by cheapest first

Deals found on 5/15

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Ontario

Southwest

8.2

Very good

6,040 reviews

Check prices

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest

8.2

Very good

6,040 reviews

Southwest

8.2

Very good

6,040 reviews

Check prices

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Alaska Airlines

8.1

Very good

9,157 reviews

Southwest

8.2

Very good

6,040 reviews

Check prices

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Delta

8.0

Very good

10,673 reviews

Southwest

8.2

Very good

6,040 reviews

Check prices

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

JetBlue

7.6

Good

4,472 reviews

Southwest

8.2

Very good

6,040 reviews

Check prices

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Avianca

7.5

Good

3,765 reviews

Southwest

8.2

Very good

6,040 reviews

Check prices

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Related info for your journey

What airport do you fly into for flights to Ontario from North America?
If you book a flight to Ontario from North America, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.
Can I find flights from North America to Ontario for under $100 on Cheapflights?
Yes, there are multiple flights from North America to Ontario for under $100. The cheapest flight booked recently is on Frontier for just $38, but on average you can expect to pay $50.
Are there nonstop flights from North America to Ontario for under $100 on Cheapflights?
Cheapflights has at least 20 direct flights from North America to Ontario under $100. A good price for a nonstop flight from North America to Ontario is less than $54.
Are there last-minute flights available from North America to Ontario for under $100?
There are currently 20+ open flights from North America to Ontario within the next 7 days for less than $100.
What are the most popular routes from North America to Ontario?
The most popular flight routes from North America to Ontario are Dallas/Fort Worth - Ontario, New York John F Kennedy Intl - Ontario and Seattle/Tacoma Intl - Ontario.
What does LAX to ONT mean?
Great question - LAX to ONT just means Los Angeles Airport to Ontario Airport. Now you’ll know what these unique codes when you look for flights! San Francisco Airport (SFO), Miami Airport (MIA), New York John F Kennedy Intl Airport (JFK), Boston Logan Intl Airport (BOS), Atlanta Hartsfield-Jackson Airport (ATL) are other airports near this flight route and their unique identifiers/IATA codes.
Can I find deals for flights from North America to Ontario that include extra baggage allowance?
The amount of baggage you can bring on your North America to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.
Can I find deals on flights from North America to Ontario with specific airlines?
Yes, Cheapflights allows you to browse and filter North America to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.
Can I find deals for flights from North America to Ontario that include hotel bookings?
Yes. In addition to deals on North America to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from North America to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from North America to Ontario.
Can I find deals for business class flights from North America to Ontario?
Yes. Cheapflights offers flight deals from North America to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
Can I find deals for flights from North America to Ontario that allow pets onboard?
Many airlines flying from North America to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.
Can I find deals on last-minute flights from North America to Ontario?
Yes, you can often find last-minute deals on North America to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.
How recently were the North America to Ontario flight deals updated?
The North America to Ontario flight deals you see on this page were last updated on 5/16.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for North America to Ontario
See prices for flight routes from nearby airports that may be better suited for you.

Newark to Los Angeles flights

Newark to Las Vegas flights

John F Kennedy Intl to Las Vegas flights

Dallas/Fort Worth to Los Angeles flights

John F Kennedy Intl to Los Angeles flights

Seattle to Los Angeles flights

John F Kennedy Intl to San Francisco flights

Newark to San Francisco flights

Dallas/Fort Worth to Las Vegas flights

LaGuardia to Las Vegas flights

O'Hare Intl to Las Vegas flights

San Francisco to Las Vegas flights

Los Angeles to Las Vegas flights

LaGuardia to Los Angeles flights

Atlanta to Las Vegas flights

Seattle to Las Vegas flights

Boston to Los Angeles flights

Seattle to San Francisco flights

San Francisco to Los Angeles flights

Hobby to Las Vegas flights

LaGuardia to San Francisco flights

Santa Ana to Las Vegas flights

Dallas/Fort Worth to Ontario flights

Burbank to Las Vegas flights

Los Angeles to San Francisco flights

San Jose to Los Angeles flights

Denver to Las Vegas flights

Reagan-National to Los Angeles flights

Los Angeles to San Jose flights

Seattle to San Diego flights

Newark to Burbank flights

Boston to Las Vegas flights

Seattle to Santa Ana flights

O'Hare Intl to Los Angeles flights

George Bush Intcntl to Las Vegas flights

Reagan-National to Las Vegas flights

Baltimore to Las Vegas flights

Philadelphia to Las Vegas flights

Dulles Intl to Las Vegas flights

John F Kennedy Intl to Ontario flights

Oakland to Los Angeles flights

Dulles Intl to Los Angeles flights

Atlanta to Los Angeles flights

Baltimore to Los Angeles flights

O'Hare Intl to San Francisco flights

Oakland to Santa Ana flights

Oakland to Las Vegas flights

Los Angeles to Oakland flights

Hobby to Los Angeles flights

Boston to San Francisco flights

Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.

Ontario car rentals

Los Angeles Airport car rentals

Ontario Airport car rentals

Burbank Bob Hope Airport car rentals

Long Beach Municipal Airport car rentals

Los Angeles car rentals

San Francisco car rentals

San Diego car rentals

Sacramento car rentals

San Jose car rentals

Fresno car rentals

Burbank car rentals

Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 16, 2024.

Ontario to San Francisco flights

Ontario to Las Vegas flights

Ontario to Salt Lake City flights

Ontario to Portland flights

Ontario to Phoenix Sky Harbor Intl Airport flights

Ontario to Las Vegas flights

Ontario to San Francisco flights

Ontario to Salt Lake City flights

Ontario to Seattle flights

Ontario to El Paso flights

Ontario to Reno flights

Ontario to Portland flights

Ontario to Denver flights

Ontario to Houston George Bush Intcntl Airport flights

Ontario to Phoenix Sky Harbor Intl Airport flights

Ontario to Denver flights

Ontario to Sacramento flights

Ontario to Dallas/Fort Worth Airport flights

North America to Ontario flights
Consider these flights traveling from North America to Ontario.

Seattle to Ontario flights

San Francisco to Ontario flights

LaGuardia to Ontario flights

Newark to Ontario flights

Hobby to Ontario flights

O'Hare Intl to Ontario flights

George Bush Intcntl to Ontario flights

Denver to Ontario flights

Portland to Ontario flights

Reagan-National to Ontario flights

Midway to Ontario flights

Philadelphia to Ontario flights

Atlanta to Ontario flights

Boston to Ontario flights

Austin to Ontario flights

San Jose to Ontario flights

Sky Harbor Intl to Ontario flights

Orlando to Ontario flights

Charlotte to Ontario flights

Minneapolis to Ontario flights

Dulles Intl to Ontario flights

Baltimore to Ontario flights

Salt Lake City to Ontario flights

Sacramento to Ontario flights

Detroit to Ontario flights

Miami to Ontario flights

Oakland to Ontario flights

Tampa to Ontario flights

Honolulu to Ontario flights

Nashville to Ontario flights

San Antonio to Ontario flights

Fort Lauderdale to Ontario flights

Raleigh to Ontario flights

Las Vegas to Ontario flights

Mexico City to Ontario flights

Cleveland to Ontario flights

Indianapolis to Ontario flights

Cincinnati to Ontario flights

Pearson Intl to Ontario flights

New Orleans to Ontario flights

Hartford to Ontario flights

Kansas City to Ontario flights

St. Louis to Ontario flights

White Plains to Ontario flights

El Paso to Ontario flights

Guadalajara to Ontario flights

Milwaukee to Ontario flights

Richmond to Ontario flights

Top 10 airlines flying from North America to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Breeze Airways	Cheapest$34	Average$203	FlexibilityNo cancel fee	On-timeN/A	Search Breeze Airways flights
Spirit Airlines	Cheapest$34	Average$193	FlexibilityNo cancel fee	On-time65%	Search Spirit Airlines flights
Frontier	Cheapest$38	Average$168	FlexibilityNo cancel fee	On-time62%	Search Frontier flights
JetBlue	Cheapest$45	Average$269	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Delta	Cheapest$45	Average$353	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Alaska Airlines	Cheapest$55	Average$346	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
Ravn Alaska	Cheapest$76	Average$138	FlexibilityNo cancel fee	On-timeN/A	Search Ravn Alaska flights
United Airlines	Cheapest$113	Average$450	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
American Airlines	Cheapest$215	Average$377	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Linear Air Taxi	Cheapest$92,129	Average$115,745	FlexibilityNo cancel fee	On-timeN/A	Search Linear Air Taxi flights

Los Angeles to Washington, D.C. flights

Dallas to Atlanta flights

Denver to Las Vegas flights

Seattle to New York flights

San Juan to Orlando flights

Burbank to Las Vegas flights

San Francisco to Las Vegas flights

Boston to Phoenix flights

Seattle to Boston flights

USA to China flights

Salt Lake City to Denver flights

North America to Chicago O'Hare Intl Airport flights

Search flights from North America to Ontario by cabin class

Hourly flight availability from North America to Ontario

5%of flight departures	Early morningMidnight to 6 am
37%of flight departures	Morning6 am to noon
24%of flight departures	AfternoonNoon to 6 pm
34%of flight departures	Evening6 pm to midnight

Midnight

6 AM

Noon

6 PM

Book a flight to one of these trending destinations

Fly with Cheapflights

How does Cheapflights help users find flights from North America to Ontario?

Cheapflights makes it easy to find North America to Ontario flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from North America to Ontario?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario from North America.

Can Cheapflights find flights from North America to Ontario with no change fees?

Need flexible booking options for your flight to Ontario from North America? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from North America to Ontario become cheaper?

Yes, Cheapflights offers price alerts on North America to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

View all available airlines

Cheap flights from North America to Ontario (ONT) from $33

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

How far in advance should I book a flight from North America to Ontario?

What is the cheapest month to fly from North America to Ontario?

When is the cheapest time to fly from North America to Ontario (NA - ONT)?

Cheap Frontier flights from North America to Ontario

Cheap Delta flights from North America to Ontario

Cheap North America to Ontario flights in May & June 2024

Find cheap flight options from North America to Ontario specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on May 16, 2024.

North America to Ontario 2024 flight deals

Discover exclusive flight deals for travel between North America and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.

Non-stop flights to Ontario from North America

North America to Ontario flights leaving soon

One-way flights to Ontario from North America

Find flights from North America to Ontario within your budget

Reviews of airlines servicing Ontario

Related info for your journey

Find useful and relevant information for your journey from North America to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Ontario from North America?

Can I find flights from North America to Ontario for under $100 on Cheapflights?

Are there nonstop flights from North America to Ontario for under $100 on Cheapflights?

Are there last-minute flights available from North America to Ontario for under $100?

What are the most popular routes from North America to Ontario?

What does LAX to ONT mean?

Can I find deals for flights from North America to Ontario that include extra baggage allowance?

Can I find deals on flights from North America to Ontario with specific airlines?

Can I find deals for flights from North America to Ontario that include hotel bookings?

How can I find direct flights from North America to Ontario?

Can I find deals for business class flights from North America to Ontario?

Can I find deals for flights from North America to Ontario that allow pets onboard?

Can I find deals on last-minute flights from North America to Ontario?

How recently were the North America to Ontario flight deals updated?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for North America to OntarioSee prices for flight routes from nearby airports that may be better suited for you.

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from North America to Ontario

Popular flight searches

Check out other popular destinations found by fellow travelers in 2024

Search flights from North America to Ontario by cabin class

Find flights from North America to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from North America to Ontario

Find hourly flight availability from North America to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 16, 2024.

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from North America to Ontario?

Why should you use Cheapflights to find cheap flight tickets from North America to Ontario?

Can Cheapflights find flights from North America to Ontario with no change fees?

Can Cheapflights notify me if prices for flights from North America to Ontario become cheaper?

100% Free

Book with Flexibility

Travel Smart

Alternative routes for North America to Ontario
See prices for flight routes from nearby airports that may be better suited for you.