HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Champaign to Ontario (CMI - ONT) from $382

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.
CMI — ONT
may. 19 — may. 261
From?
To?
dom. 5/19
dom. 5/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

What is the cheapest month to fly from Champaign to Ontario?

April is one of the best times of the year to fly to Ontario from Champaign. Prices for April average $662 per person but you can even find prices for as low as $487. The most expensive prices can be found in the month of May. Opting for a April flight can save you 31% on your journey compared to booking in May

When is the cheapest time to fly from Champaign to Ontario (CMI - ONT)?

One of the essential ways to save on airfare from Champaign to Ontario is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 45% on airfare.

Cheap American Airlines flights from Champaign to Ontario

Explore cheap flight options specifically provided by American Airlines for the route between Champaign and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,632,958 searches. Data last updated mayo 14, 2024.
dom. 9/13:35 pmCMI - ONT
1 stop8h 28mAmerican Airlines
sáb. 10/512:45 pmONT - CMI
1 stop5h 51mAmerican Airlines
Deal found 5/13$436
dom. 9/13:35 pmCMI - ONT
1 stop8h 28mAmerican Airlines
sáb. 10/59:50 amONT - CMI
2 stops8h 46mAmerican Airlines
Deal found 5/13$441
dom. 9/13:35 pmCMI - ONT
2 stops8h 09mAmerican Airlines
sáb. 10/59:50 amONT - CMI
2 stops8h 46mAmerican Airlines
Deal found 5/13$446
mar. 9/36:03 amCMI - ONT
2 stops7h 50mAmerican Airlines
jue. 9/56:15 amONT - CMI
2 stops12h 21mAmerican Airlines
Deal found 5/13$457
mié. 10/306:58 amCMI - ONT
1 stop8h 46mAmerican Airlines
sáb. 11/210:56 amONT - CMI
1 stop7h 41mAmerican Airlines
Deal found 5/12$754
mié. 10/303:42 pmCMI - ONT
2 stops8h 01mAmerican Airlines
sáb. 11/210:56 amONT - CMI
1 stop7h 41mAmerican Airlines
Deal found 5/12$759
mié. 6/192:43 pmCMI - ONT
1 stop6h 14mAmerican Airlines
dom. 6/2312:49 pmONT - CMI
1 stop7h 30mAmerican Airlines
Deal found 5/13$760
mié. 10/303:42 pmCMI - ONT
2 stops8h 01mAmerican Airlines
sáb. 11/26:48 amONT - CMI
2 stops11h 49mAmerican Airlines
Deal found 5/12$764
mié. 6/196:14 amCMI - ONT
2 stops11h 37mAmerican Airlines
lun. 6/246:00 amONT - CMI
1 stop6h 53mAmerican Airlines
Deal found 5/13$765

Cheap Champaign to Ontario flights in May & June 2024

Find cheap flight options from Champaign 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 2,632,958 searches. Prices were last updated on mayo 14, 2024.
jue. 6/202:43 pmCMI - ONT
1 stop6h 14mAmerican Airlines
lun. 6/246:00 amONT - CMI
1 stop6h 53mAmerican Airlines
Deal found 5/14$757
mié. 6/192:43 pmCMI - ONT
1 stop6h 14mAmerican Airlines
dom. 6/2312:49 pmONT - CMI
1 stop7h 30mAmerican Airlines
Deal found 5/13$760
mié. 6/196:14 amCMI - ONT
2 stops11h 37mAmerican Airlines
lun. 6/246:00 amONT - CMI
1 stop6h 53mAmerican Airlines
Deal found 5/13$765
mié. 6/192:43 pmCMI - ONT
2 stops8h 57mAmerican Airlines
dom. 6/236:00 amONT - CMI
1 stop6h 53mAmerican Airlines
Deal found 5/13$771
dom. 6/167:04 amCMI - ONT
2 stops10h 47mAmerican Airlines
sáb. 6/226:00 amONT - CMI
1 stop6h 27mAmerican Airlines
Deal found 5/14$900
dom. 6/167:04 amCMI - ONT
1 stop8h 44mAmerican Airlines
sáb. 6/2212:49 pmONT - CMI
1 stop7h 30mAmerican Airlines
Deal found 5/14$2,006
sáb. 6/82:58 pmCMI - ONT
1 stop9h 11mAmerican Airlines
mar. 6/1112:49 pmONT - CMI
1 stop7h 30mAmerican Airlines
Deal found 5/12$2,016

Champaign to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Champaign and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,632,958 searches. Data last updated mayo 14, 2024.
dom. 9/13:35 pmCMI - ONT
1 stop8h 28mAmerican Airlines
sáb. 10/512:45 pmONT - CMI
1 stop5h 51mAmerican Airlines
Deal found 5/13$436
dom. 9/13:35 pmCMI - ONT
1 stop8h 28mAmerican Airlines
sáb. 10/59:50 amONT - CMI
2 stops8h 46mAmerican Airlines
Deal found 5/13$441
dom. 9/13:35 pmCMI - ONT
2 stops8h 09mAmerican Airlines
sáb. 10/59:50 amONT - CMI
2 stops8h 46mAmerican Airlines
Deal found 5/13$446
mar. 9/36:03 amCMI - ONT
2 stops7h 50mAmerican Airlines
jue. 9/56:15 amONT - CMI
2 stops12h 21mAmerican Airlines
Deal found 5/13$457
mié. 10/306:58 amCMI - ONT
1 stop8h 46mAmerican Airlines
sáb. 11/210:56 amONT - CMI
1 stop7h 41mAmerican Airlines
Deal found 5/12$754
jue. 6/202:43 pmCMI - ONT
1 stop6h 14mAmerican Airlines
lun. 6/246:00 amONT - CMI
1 stop6h 53mAmerican Airlines
Deal found 5/14$757
mié. 10/303:42 pmCMI - ONT
2 stops8h 01mAmerican Airlines
sáb. 11/210:56 amONT - CMI
1 stop7h 41mAmerican Airlines
Deal found 5/12$759
mié. 6/192:43 pmCMI - ONT
1 stop6h 14mAmerican Airlines
dom. 6/2312:49 pmONT - CMI
1 stop7h 30mAmerican Airlines
Deal found 5/13$760
mié. 10/303:42 pmCMI - ONT
2 stops8h 01mAmerican Airlines
sáb. 11/26:48 amONT - CMI
2 stops11h 49mAmerican Airlines
Deal found 5/12$764

One-way flights to Ontario from Champaign

Search for one-way flight options from Champaign to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,632,958 searches. Data last updated mayo 14, 2024.
mar. 6/411:26 amCMI - ONT
2 stops9h 22mAmerican Airlines
Deal found 5/13$382
mar. 6/43:39 pmCMI - ONT
1 stop6h 29mAmerican Airlines
Deal found 5/13$389
mar. 6/47:10 amCMI - ONT
1 stop6h 42mAmerican Airlines
Deal found 5/13$1,008

Find flights from Champaign to Ontario within your budget

Customize your flight search to find flights from Champaign to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,632,958 searches. Data last updated mayo 14, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$436 - $765

Route

Depart

Return

Price

Champaign University-WillardOntario

CMI - ONT

CMIONT

Champaign University-Willard

dom. 9/1

1 stop8h 28m

Ontario

sáb. 10/5

1 stop5h 51m

$436

Champaign University-WillardOntario

CMI - ONT

CMIONT

Champaign University-Willard

dom. 9/1

1 stop8h 28m

Ontario

sáb. 10/5

2 stops8h 46m

$441

Champaign University-WillardOntario

CMI - ONT

CMIONT

Champaign University-Willard

dom. 9/1

2 stops8h 09m

Ontario

sáb. 10/5

2 stops8h 46m

$446

Champaign University-WillardOntario

CMI - ONT

CMIONT

Champaign University-Willard

mar. 9/3

2 stops7h 50m

Ontario

jue. 9/5

2 stops12h 21m

$457

Champaign University-WillardOntario

CMI - ONT

CMIONT

Champaign University-Willard

mié. 10/30

1 stop8h 46m

Ontario

sáb. 11/2

1 stop7h 41m

$754

Champaign University-WillardOntario

CMI - ONT

CMIONT

Champaign University-Willard

mié. 10/30

2 stops8h 01m

Ontario

sáb. 11/2

1 stop7h 41m

$759

Champaign University-WillardOntario

CMI - ONT

CMIONT

Champaign University-Willard

mié. 6/19

1 stop6h 14m

Ontario

dom. 6/23

1 stop7h 30m

$760

Champaign University-WillardOntario

CMI - ONT

CMIONT

Champaign University-Willard

mié. 10/30

2 stops8h 01m

Ontario

sáb. 11/2

2 stops11h 49m

$764

Champaign University-WillardOntario

CMI - ONT

CMIONT

Champaign University-Willard

mié. 6/19

2 stops11h 37m

Ontario

lun. 6/24

1 stop6h 53m

$765

Flights are sorted by cheapest first

Deals found on 5/13

When is the cheapest time to fly from Champaign to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Champaign to Ontario. Price data was last updated on May 12, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Champaign to Ontario flight should consider departing on Sunday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated mayo 14, 2024.
American Airlines
7.3
Good
14,561 reviews
Check prices

Crew

8.0

Entertainment

7.1

Boarding

7.6

Comfort

7.2

Food

6.6

Overall

7.3

Reviews

1 / 10

New plane, lots of space, we could bring our carryon on board, very efficient.

American Airlines
7.3
Good
14,561 reviews
American Airlines
7.3
Good
14,561 reviews
Check prices

Crew

8.0

Entertainment

7.1

Boarding

7.6

Comfort

7.2

Food

6.6

Overall

7.3

Reviews

1 / 10

New plane, lots of space, we could bring our carryon on board, very efficient.

Related info for your journey

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

  • Can I find flights from Champaign to Ontario for under $500 on Cheapflights?

    Yes, there are multiple flights from Champaign to Ontario for under $500. The cheapest flight booked recently is on American Airlines for just $436, but on average you can expect to pay $867.

  • What does CMI to ONT mean?

    Champaign University-Willard Airport is CMI and Ontario Airport is ONT. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Champaign to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Champaign 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 Champaign to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Champaign 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 Champaign to Ontario that include hotel bookings?

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

  • How can I find direct flights from Champaign to Ontario?

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

  • Can I find deals for business class flights from Champaign to Ontario?

    Yes. Cheapflights offers flight deals from Champaign 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 Champaign to Ontario that allow pets onboard?

    Many airlines flying from Champaign 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 Champaign to Ontario?

    Yes, you can often find last-minute deals on Champaign 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 Champaign to Ontario flight deals updated?

    The Champaign to Ontario flight deals you see on this page were last updated on 5/14.

See more FAQs

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

O'Hare Intl to Las Vegas flights
O'Hare Intl to Los Angeles flights
O'Hare Intl to San Francisco flights
Midway to Los Angeles flights
O'Hare Intl to San Diego flights
Midway to Las Vegas flights
O'Hare Intl to Ontario flights
O'Hare Intl to Oakland flights
O'Hare Intl to Santa Ana flights
O'Hare Intl to Burbank flights
Midway to Ontario flights
Midway to San Diego flights
St. Louis to Las Vegas flights
O'Hare Intl to San Jose flights
Midway to San Francisco flights
O'Hare Intl to Palm Springs flights
O'Hare Intl to Sacramento flights
St. Louis to Los Angeles flights
Rockford to Las Vegas flights
O'Hare Intl to Reno flights
Midway to San Jose flights
Midway to Santa Ana flights
St. Louis to Ontario flights
O'Hare Intl to Fresno flights
St. Louis to San Francisco flights
Midway to Palm Springs flights
O'Hare Intl to Long Beach flights
St. Louis to San Diego flights
Moline to Las Vegas flights
Midway to Oakland flights
Midway to Sacramento flights
Midway to Reno flights
St. Louis to Santa Ana flights
St. Louis to Sacramento flights
O'Hare Intl to Medford flights
O'Hare Intl to Santa Barbara flights
Moline to Los Angeles flights
St. Louis to Long Beach flights
Bloomington to Las Vegas flights
Moline to Burbank flights
Peoria to Las Vegas flights
Moline to San Francisco flights
St. Louis to Oakland flights
Evansville to Las Vegas flights
Midway to Fresno flights
Bloomington to San Francisco flights
St. Louis to Reno flights
St. Louis to San Jose flights
Midway to Medford flights
Midway to Burbank flights

Top airline flying from Champaign to Ontario

Discover the top airline that operate flights from Champaign to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,632,958 searches. Data last updated mayo 14, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$465Average$689FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
USA to Nigeria flights
Boston to Chicago flights
New York to Cancún flights
San Francisco to San Diego flights
Seattle to Los Angeles flights
USA to Barcelona flights
Detroit to Los Angeles flights
USA to Bermuda flights
Chicago to Mexico City flights
New York to San Francisco flights
Phoenix to Boston flights
Champaign to Chicago O'Hare Intl Airport flights

Search flights from Champaign to Ontario by cabin class

Find flights from Champaign to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

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
Flights to Montes Claros
Flights to Girona Costa Brava
Flights to Naxos
Flights to Bourgas
Flights to Hyannis Barnstable
Flights to Samos
Flights to Reggio Calabria Tito Menniti
Flights to Devils Lake
Flights to Ningbo Lishe Intl
Flights to Pellston Emmet County
Flights to Provincetown
Flights to Cortez Montezuma County
Flights to Ohrid
Flights to Oran Es Senia
Flights to Menorca/Mahon
Flights to Hakodate
Flights to Ordu/Giresun
Flights to Laayoune Hassan I
Flights to Cornwall Newquay
Flights to Melilla
Flights to Rennes St Jacques
Flights to Parikia Paros
Flights to Constanţa Mihail Kogalniceanu
Flights to Miyakojima Hirara

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 Champaign to Ontario?

Cheapflights helps you search for flights from Champaign to Ontario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Champaign to Ontario for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from Champaign to Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Of course! You can now track prices for flights from Champaign to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price 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