Cheap flights from Chicago (CHI) to Ontario from $105

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 6/18. 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.
CHI — YYZ
may. 21 — may. 281

How far in advance should I book a flight from Chicago to Region of Ontario?

To save on the cost of your flight from Chicago to Region of Ontario, book at least 40 days before your planned departure. Booking around this time can save you about 90% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $362 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $558.

What is the cheapest month to fly from Chicago to Region of Ontario?

Due to multiple factors, expect to potentially pay more when booking in September. For low rates, January can be a great choice for travel to Region of Ontario. Flights to Region of Ontario from Chicago in January are about $324 on average during January, but can be found for as low as $170.

When is the cheapest time to fly from Chicago to Region of Ontario (CHI - ON)?

When flying from Chicago to Region of 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 Air Canada flights from Chicago to Ontario

Explore cheap flight options specifically provided by Air Canada for the route between Chicago 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 2,637,452 searches. Data last updated mayo 16, 2024.
Find some of the cheapest Air Canada flights traveling from Chicago to Ontario. Make sure to double check the flight details before booking.
jue. 5/3011:00 amORD - YYZ
Nonstop1h 45mAir Canada
sáb. 6/159:00 amYYZ - ORD
Nonstop1h 54mAir Canada
Deal found 5/14$269
mar. 5/286:00 amORD - YYZ
Nonstop1h 45mAir Canada
jue. 6/139:00 amYYZ - ORD
Nonstop1h 54mAir Canada
Deal found 5/14$270
vie. 5/316:00 amORD - YYZ
Nonstop1h 45mAir Canada
jue. 6/139:00 amYYZ - ORD
Nonstop1h 54mAir Canada
Deal found 5/14$279
vie. 5/316:00 amORD - YYZ
Nonstop1h 45mAir Canada
dom. 6/169:00 amYYZ - ORD
Nonstop1h 54mAir Canada
Deal found 5/14$280
sáb. 6/86:00 amORD - YYZ
Nonstop1h 45mAir Canada
mié. 6/122:00 pmYYZ - ORD
Nonstop1h 54mAir Canada
Deal found 5/14$286
dom. 5/266:00 pmORD - YYZ
Nonstop1h 43mAir Canada
mar. 5/289:00 amYYZ - ORD
Nonstop1h 54mAir Canada
Deal found 5/15$363
dom. 5/2611:00 amORD - YYZ
Nonstop1h 45mAir Canada
vie. 6/712:00 pmYYZ - ORD
Nonstop1h 54mAir Canada
Deal found 5/16$374
jue. 9/196:00 amORD - YYZ
Nonstop1h 37mAir Canada
lun. 9/238:05 amYYZ - ORD
Nonstop1h 56mAir Canada
Deal found 5/15$381
sáb. 5/252:15 pmORD - YUL
1 stop5h 03mAir Canada
mar. 5/286:15 amYUL - ORD
Nonstop2h 43mAir Canada
Deal found 5/15$398

Cheap American Airlines flights from Chicago to Ontario

Explore cheap flight options specifically provided by American Airlines for the route between Chicago 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 2,637,452 searches. Data last updated mayo 16, 2024.
Some of the best deals we've found on American Airlines flights traveling from Chicago to Ontario. Ensure the flight price, dates, time, and airline match your criteria before you book.
mié. 6/59:50 amORD - YYZ
Nonstop1h 50mAmerican Airlines
mié. 6/53:45 pmYYZ - ORD
1 stop6h 52mAmerican Airlines
Deal found 5/15$281
mié. 5/298:30 amORD - YYZ
1 stop5h 29mAmerican Airlines
mié. 5/296:19 pmYYZ - ORD
Nonstop1h 55mAmerican Airlines
Deal found 5/15$292
mié. 6/58:25 amORD - YYZ
Nonstop1h 50mAmerican Airlines
mié. 6/53:09 pmYYZ - ORD
Nonstop1h 55mAmerican Airlines
Deal found 5/15$293
jue. 6/139:50 amORD - YYZ
Nonstop1h 50mAmerican Airlines
lun. 6/173:09 pmYYZ - ORD
Nonstop1h 55mAmerican Airlines
Deal found 5/16$303
jue. 9/58:20 pmORD - YUL
1 stop16h 19mAmerican Airlines
sáb. 9/216:03 pmYUL - ORD
Nonstop2h 42mAmerican Airlines
Deal found 5/16$310
mar. 5/2811:54 amORD - YYZ
Nonstop1h 35mAmerican Airlines
jue. 5/301:20 pmYYZ - ORD
Nonstop1h 55mAmerican Airlines
Deal found 5/15$364
sáb. 5/251:40 pmORD - YYZ
1 stop7h 40mAmerican Airlines
mié. 5/296:19 pmYYZ - ORD
Nonstop1h 55mAmerican Airlines
Deal found 5/15$372
sáb. 5/258:35 amORD - YYZ
Nonstop1h 40mAmerican Airlines
mié. 5/296:19 pmYYZ - ORD
Nonstop1h 55mAmerican Airlines
Deal found 5/15$385
mar. 5/218:37 pmORD - YUL
1 stop12h 48mAmerican Airlines
mar. 5/282:40 pmYUL - ORD
1 stop10h 19mAmerican Airlines
Deal found 5/14$411

Cheap Chicago to Ontario flights in May & June 2024

Find cheap flight options from Chicago 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 mayo 16, 2024.
Scroll through some of the best deals on flights from Chicago to Ontario in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
mié. 6/126:40 pmORD - YYZ
1 stop18h 20mMultiple Airlines
mié. 6/196:30 amYYZ - ORD
1 stop12h 10mMultiple Airlines
Deal found 5/15$219
mar. 6/411:50 amORD - YYZ
1 stop6h 45mMultiple Airlines
mar. 6/116:30 amYYZ - ORD
1 stop12h 10mMultiple Airlines
Deal found 5/16$222
mié. 5/298:09 pmORD - YYZ
2 stops22h 26mMultiple Airlines
sáb. 6/16:30 amYYZ - ORD
2 stops12h 53mMultiple Airlines
Deal found 5/14$232
jue. 5/3011:48 amORD - YYZ
1 stop6h 47mMultiple Airlines
mar. 6/46:30 amYYZ - ORD
2 stops14h 15mMultiple Airlines
Deal found 5/16$235
sáb. 6/112:30 pmMDW - YTZ
Nonstop1h 42mPorter Airlines
vie. 6/143:30 pmYTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 5/14$241
mar. 5/2811:05 amMDW - YTZ
Nonstop1h 42mPorter Airlines
vie. 6/143:30 pmYTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 5/14$242
mié. 5/299:15 pmORD - YYZ
2 stops21h 20mMultiple Airlines
sáb. 6/17:45 amYYZ - ORD
1 stop15h 01mMultiple Airlines
Deal found 5/14$243
jue. 6/135:15 pmMDW - YTZ
Nonstop1h 42mPorter Airlines
mié. 6/198:50 pmYTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 5/14$245
sáb. 6/2912:30 pmMDW - YTZ
Nonstop1h 42mPorter Airlines
dom. 7/710:30 amYTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 5/14$248

Chicago to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Chicago 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 mayo 16, 2024.
Scroll through some of the best deals on flights from Chicago to Ontario in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
mié. 6/126:40 pmORD - YYZ
1 stop18h 20mMultiple Airlines
mié. 6/196:30 amYYZ - ORD
1 stop12h 10mMultiple Airlines
Deal found 5/15$219
mar. 6/411:50 amORD - YYZ
1 stop6h 45mMultiple Airlines
mar. 6/116:30 amYYZ - ORD
1 stop12h 10mMultiple Airlines
Deal found 5/16$222
mié. 5/298:09 pmORD - YYZ
2 stops22h 26mMultiple Airlines
sáb. 6/16:30 amYYZ - ORD
2 stops12h 53mMultiple Airlines
Deal found 5/14$232
jue. 5/3011:48 amORD - YYZ
1 stop6h 47mMultiple Airlines
mar. 6/46:30 amYYZ - ORD
2 stops14h 15mMultiple Airlines
Deal found 5/16$235
sáb. 6/112:30 pmMDW - YTZ
Nonstop1h 42mPorter Airlines
vie. 6/143:30 pmYTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 5/14$241
mar. 5/2811:05 amMDW - YTZ
Nonstop1h 42mPorter Airlines
vie. 6/143:30 pmYTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 5/14$242
mié. 5/299:15 pmORD - YYZ
2 stops21h 20mMultiple Airlines
sáb. 6/17:45 amYYZ - ORD
1 stop15h 01mMultiple Airlines
Deal found 5/14$243
jue. 6/135:15 pmMDW - YTZ
Nonstop1h 42mPorter Airlines
mié. 6/198:50 pmYTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 5/14$245
sáb. 6/2912:30 pmMDW - YTZ
Nonstop1h 42mPorter Airlines
dom. 7/710:30 amYTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 5/14$248

Non-stop flights to Ontario from Chicago

Discover non-stop flight options from Chicago to Ontario. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated mayo 16, 2024.
To help reduce your travel time, choose from one of these non-stop flights from Chicago to Ontario. Search for alternative flights from Chicago to Ontario by utilizing the search form above.
sáb. 6/112:30 pmMDW - YTZ
Nonstop1h 42mPorter Airlines
vie. 6/143:30 pmYTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 5/14$241
mar. 5/2811:05 amMDW - YTZ
Nonstop1h 42mPorter Airlines
vie. 6/143:30 pmYTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 5/14$242
jue. 6/135:15 pmMDW - YTZ
Nonstop1h 42mPorter Airlines
mié. 6/198:50 pmYTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 5/14$245
sáb. 6/2912:30 pmMDW - YTZ
Nonstop1h 42mPorter Airlines
dom. 7/710:30 amYTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 5/14$248
mié. 5/298:00 amMDW - YTZ
Nonstop1h 42mPorter Airlines
jue. 5/309:20 amYTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 5/14$249
sáb. 6/18:00 amMDW - YTZ
Nonstop1h 42mPorter Airlines
lun. 6/39:20 amYTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 5/14$251
lun. 6/248:00 amMDW - YTZ
Nonstop1h 42mPorter Airlines
mié. 6/263:30 pmYTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 5/15$253
sáb. 6/812:30 pmMDW - YTZ
Nonstop1h 42mPorter Airlines
mié. 6/129:20 amYTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 5/14$257
mar. 6/258:00 amMDW - YTZ
Nonstop1h 42mPorter Airlines
jue. 6/278:50 pmYTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 5/15$258

Chicago to Ontario flights leaving soon

Find last-minute flight options from Chicago to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated mayo 16, 2024.
Consider one of these great deals we found on last-minute flights from Chicago to Ontario. Users should be sure to double check the price, date, and time of their last-minute flight.
dom. 5/268:40 amMDW - YTZ
Nonstop1h 42mPorter Airlines
mié. 6/59:20 amYTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 5/16$324
mié. 5/228:00 amMDW - YTZ
Nonstop1h 42mPorter Airlines
vie. 5/318:50 pmYTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 5/14$326
dom. 5/2612:00 pmORD - YYZ
1 stop6h 35mMultiple Airlines
lun. 5/274:00 pmYYZ - ORD
1 stop26h 07mMultiple Airlines
Deal found 5/16$326
vie. 5/2411:05 amMDW - YTZ
Nonstop1h 42mPorter Airlines
mar. 5/283:30 pmYTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 5/15$345
dom. 5/268:40 amMDW - YTZ
Nonstop1h 42mPorter Airlines
dom. 6/210:30 amYTZ - MDW
Nonstop1h 47mPorter Airlines
Deal found 5/16$354
dom. 5/266:00 pmORD - YYZ
Nonstop1h 43mAir Canada
mar. 5/289:00 amYYZ - ORD
Nonstop1h 54mAir Canada
Deal found 5/15$363
sáb. 5/2512:30 pmMDW - YUL
1 stop5h 15mPorter Airlines
mar. 5/2812:50 pmYUL - MDW
1 stop4h 27mPorter Airlines
Deal found 5/15$367
sáb. 5/251:40 pmORD - YYZ
1 stop7h 40mAmerican Airlines
mié. 5/296:19 pmYYZ - ORD
Nonstop1h 55mAmerican Airlines
Deal found 5/15$372
mar. 5/2111:05 amMDW - YUL
1 stop5h 55mPorter Airlines
mar. 5/2810:45 amYUL - MDW
1 stop6h 32mPorter Airlines
Deal found 5/14$374

One-way flights to Ontario from Chicago

Search for one-way flight options from Chicago 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 2,637,452 searches. Data last updated mayo 16, 2024.
Take a look at some of the best available options we've come across on one-way flights from Chicago to Ontario. For those needing a return trip from Chicago, there is a search form available above.
mar. 6/186:40 pmORD - YYZ
1 stop18h 20mMultiple Airlines
Deal found 5/15$105
mié. 8/78:00 amMDW - YTZ
Nonstop1h 42mPorter Airlines
Deal found 5/14$111
mar. 6/116:40 pmORD - YYZ
1 stop18h 20mMultiple Airlines
Deal found 5/16$111
mié. 9/255:15 pmMDW - YTZ
Nonstop1h 42mPorter Airlines
Deal found 5/15$112
jue. 7/1111:05 amMDW - YTZ
Nonstop1h 42mPorter Airlines
Deal found 5/15$116
mar. 5/284:00 pmORD - YYZ
Nonstop1h 45mAir Canada
Deal found 5/14$119
lun. 6/108:00 amMDW - YTZ
Nonstop1h 42mPorter Airlines
Deal found 5/15$120
jue. 6/206:40 pmORD - YYZ
1 stop18h 20mMultiple Airlines
Deal found 5/14$120
jue. 6/65:15 pmMDW - YTZ
Nonstop1h 42mPorter Airlines
Deal found 5/15$121

Find flights from Chicago to Ontario within your budget

Customize your flight search to find flights from Chicago 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 2,637,452 searches. Data last updated mayo 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$219 - $331

Route

Depart

Return

Price

Chicago O'Hare IntlToronto Pearson Intl

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

mié. 6/12

1 stop18h 20m

Toronto Pearson Intl

mié. 6/19

1 stop12h 10m

$219

Chicago MidwayToronto Island

MDW - YTZ

MDWYTZ

Chicago Midway

sáb. 6/1

Nonstop1h 42m

Toronto Island

vie. 6/14

Nonstop1h 47m

$241

Chicago O'Hare IntlToronto Pearson Intl

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

jue. 5/30

Nonstop1h 45m

Toronto Pearson Intl

sáb. 6/15

Nonstop1h 54m

$269

Chicago O'Hare IntlToronto Pearson Intl

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

mié. 6/5

Nonstop1h 50m

Toronto Pearson Intl

mié. 6/5

1 stop6h 52m

$281

Chicago MidwayToronto Pearson Intl

MDW - YYZ

MDWYYZ

Chicago Midway

jue. 6/6

1 stop8h 25m

Toronto Pearson Intl

lun. 6/10

1 stop8h 19m

$287

Chicago O'Hare IntlToronto Pearson Intl

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

mar. 7/16

Nonstop1h 43m

Toronto Pearson Intl

mar. 7/23

Nonstop2h 02m

$304

Chicago MidwayToronto Pearson Intl

MDW - YYZ

MDWYYZ

Chicago Midway

mar. 7/16

1 stop4h 08m

Toronto Pearson Intl

mar. 7/23

1 stop5h 34m

$312

Chicago O'Hare IntlToronto Pearson Intl

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

mar. 7/2

1 stop9h 08m

Toronto Pearson Intl

dom. 7/7

Nonstop1h 56m

$324

Chicago O'Hare IntlMontreal Pierre Elliott Trudeau Intl

ORD - YUL

ORDYUL

Chicago O'Hare Intl

jue. 7/18

1 stop26h 45m

Montreal Pierre Elliott Trudeau Intl

lun. 7/22

1 stop7h 34m

$331

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

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 16, 2024.
Read through reviews of airlines operating flights from Chicago to Ontario, such as Air Canada, American Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
10,673 reviews

Entertainment

8.0

Overall

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

8.0
Very good
10,673 reviews
8.0
Very good
10,673 reviews

Entertainment

8.0

Overall

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.9
Good
1,568 reviews
8.0
Very good
10,673 reviews

Entertainment

8.0

Overall

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.5
Good
2,919 reviews
8.0
Very good
10,673 reviews

Entertainment

8.0

Overall

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.4
Good
415 reviews
8.0
Very good
10,673 reviews

Entertainment

8.0

Overall

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.4
Good
10,924 reviews
8.0
Very good
10,673 reviews

Entertainment

8.0

Overall

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Chicago 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 Chicago to Region of Ontario for under $300 on Cheapflights?

    Yes, there are multiple flights from Chicago to Region of Ontario for under $300. The cheapest flight booked recently is on Multiple Airlines for just $219, but on average you can expect to pay $246.

  • Are there nonstop flights from Chicago to Region of Ontario for under $300 on Cheapflights?

    Cheapflights has at least 20 direct flights from Chicago to Region of Ontario under $300. A good price for a nonstop flight from Chicago to Region of Ontario is less than $258.

  • Are there last-minute flights available from Chicago to Region of Ontario for under $400?

    There are currently 20+ open flights from Chicago to Region of Ontario within the next 7 days for less than $400.

  • What days are nonstop flights available from Chicago to Region of Ontario?

    You can find nonstop flights on the following days: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.

  • How many flights depart from Chicago to Region of Ontario on average per day?

    On average, you can expect to see 41 flights from Chicago to Region of Ontario a day.
    Early Morning (Midnight to 6am) - 5% of flight departures
    Morning (6am - Noon) - 34% of flight departures
    Afternoon (Noon - 6pm) - 44% of flight departures
    Evening (6pm - Midnight) - 17% of flight departures

  • How long is the flight from Chicago to Region of Ontario?

    A quick flight from Chicago to Region of Ontario can take about 1h 42m. Porter Airlines provides one of the quickest options available for as low as $241. Airlines will cover a distance of 437 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines to fly from Chicago to Region of Ontario one-way?

    To fly one-way, consider booking your trip with Porter Airlines, which is currently one of the cheapest options available, starting at $111. Air Canada flights start at $119 while deals on Delta start at $132 one-way.

  • What are the most popular routes from Chicago to Region of Ontario?

  • What are the most popular airlines that fly from Chicago to Region of Ontario?

  • What are the most reliable airlines from Chicago to Region of Ontario?

    Consider SkyWest Airlines (90%), Japan Airlines (87%) or Emirates (87%) when booking your flight. These represent the most reliable airlines when flying from Chicago to Region of Ontario.

  • What are the cheapest flights from Chicago to Region of Ontario?

    Looking at all options, your cheapest flight can be booked for $127. While the most popular route (Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for $276 on average our data indicates $1,936 when flying from Chicago to Region of Ontario.

  • What does ORD to YYZ mean?

    Great question - ORD to YYZ just means Chicago O'Hare Intl Airport to Toronto Pearson Intl Airport. Now you’ll know what these unique codes when you look for flights! While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Ottawa Airport (YOW), Toronto Island Airport (YTZ), Hamilton Airport (YHM), London Airport (YXU), Toronto Kitchener-Waterloo Airport (YKF).

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

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

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

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

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

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

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

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

    Many airlines flying from Chicago 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 Chicago to Ontario?

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

    The Chicago to Region of 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

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

Top 4 airlines flying from Chicago to Ontario

Discover the top 4 airlines that operate flights from Chicago 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 2,637,452 searches. Data last updated mayo 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$121Average$455FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$133Average$585FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$135Average$282FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Porter AirlinesCheapest$143Average$384FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Search flights from Chicago to Ontario by cabin class

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

Hourly flight availability from Chicago to Ontario

Find hourly flight availability from Chicago 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 mayo 16, 2024.
3%of flight departuresEarly morningMidnight to 6 am
42%of flight departuresMorning6 am to noon
40%of flight departuresAfternoonNoon to 6 pm
15%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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How does Cheapflights help users find flights from Chicago to Ontario?

When you search for this flight from Chicago to Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Chicago to Ontario.

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

Yes, we can. To see specific flights from Chicago 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 Chicago to Ontario become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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