O'Hare Intl

$124+ Cheap flights from Toronto (YTO) to O'Hare Intl (ORD)

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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — ORD
Apr 22 — Apr 291
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Toronto to O'Hare Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Toronto to Chicago O'Hare Intl are usually found in May or November, booked 74 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Toronto to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Toronto (YTO) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$201
(Vakatrip)

One-way from

$124
(Mytrip)

Popular in

December

Cheapest in

May

Average price

$293

Good round-trip deal

$267 or less

Good one-way deal

$181 or less
Provider with most accurate pricing for Toronto (YTO)-Chicago O'Hare Intl flight deals.
Provider most trusted by Cheapflights users for Toronto (YTO)-Chicago O'Hare Intl flights.
From Toronto (YTO) to Chicago O'Hare Intl
One-way flight from Toronto (YTO) to Chicago O'Hare Intl
Highest demand for flights based on searches. 2% potential increase in price ($7 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Toronto (YTO) to Chicago O'Hare Intl.
Price to beat on a one-way flight from Toronto (YTO) to Chicago O'Hare Intl.

Find flight deals from Toronto to O'Hare Intl

Cheapest flights from Toronto to O'Hare Intl
Explore the most affordable flight options available from Toronto to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This Flightnetwork deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/610:20 amYTZ - ORD
2 stops10h 52mAir Canada
Wed 5/148:40 amORD - YTZ
1 stop5h 10mAir Canada
Deal found 4/16$199
This Vakatrip deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vakatrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/912:00 pmYYZ - ORD
Nonstop1h 55mAir Canada
Sun 5/119:35 amORD - YYZ
Nonstop1h 40mAir Canada
Deal found 4/16$201
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/222:45 pmYYZ - ORD
Nonstop2h 05mUnited Airlines
Tue 5/273:50 pmORD - YYZ
Nonstop1h 42mUnited Airlines
Deal found 4/16$205
This United deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/49:00 amYYZ - ORD
Nonstop2h 01mMultiple Airlines
Sun 5/117:10 amORD - YYZ
Nonstop1h 48mMultiple Airlines
Deal found 4/16$215
This Kissandfly.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/87:55 amYYZ - ORD
Nonstop1h 55mLufthansa
Sun 5/114:41 pmORD - YYZ
Nonstop1h 56mLufthansa
Deal found 4/16$221
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:15 amYYZ - ORD
1 stop5h 17mDelta
Wed 5/147:10 amORD - YYZ
1 stop3h 15mDelta
Deal found 4/16$235
This American Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/226:30 amYYZ - ORD
Nonstop1h 55mAmerican Airlines
Tue 5/277:00 amORD - YYZ
1 stop9h 20mAmerican Airlines
Deal found 4/16$250
This Cheapflightsfares deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/163:50 pmYYZ - ORD
1 stop3h 47mWestJet
Sun 5/186:24 amORD - YYZ
1 stop15h 50mWestJet
Deal found 4/15$302
This Mytrip deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/319:45 amYTZ - ORD
1 stop22h 42mMultiple Airlines
Sat 6/712:41 pmORD - YTZ
2 stops32h 02mMultiple Airlines
Deal found 4/16$332
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/206:00 amYHM - ORD
2 stops18h 59mMultiple Airlines
Sat 7/261:40 pmORD - YHM
1 stop9h 13mMultiple Airlines
Deal found 4/16$497
This Booking.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/116:00 amYHM - ORD
1 stop11h 43mWestJet
Sun 9/145:30 pmORD - YHM
1 stop30h 10mWestJet
Deal found 4/16$571

Cheapflights Fare Finder

Customize your flight search to find flights from Toronto to O'Hare Intl 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 2,558,603 searches. Data last updated April 17, 2025.
Use the filters below to find and compare flights from Toronto to Chicago O'Hare Intl Airport that are best for you.

Fly from

Toronto

Fly to

O'Hare Intl

Route

Depart

Return

Price

TorontoChicago

YTZ - ORD

YTZORD

Toronto Island

Tue 5/6

10:20 am-8:12 pm

2 stops10h 52m

Chicago O'Hare Intl

Wed 5/14

8:40 am-2:50 pm

1 stop5h 10m

$199

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 5/9

12:00 pm-12:55 pm

Nonstop1h 55m

Chicago O'Hare Intl

Sun 5/11

9:35 am-12:15 pm

Nonstop1h 40m

$201

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 5/22

2:45 pm-3:50 pm

Nonstop2h 05m

Chicago O'Hare Intl

Tue 5/27

3:50 pm-6:32 pm

Nonstop1h 42m

$205

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sun 5/4

9:00 am-10:01 am

Nonstop2h 01m

Chicago O'Hare Intl

Sun 5/11

7:10 am-9:58 am

Nonstop1h 48m

$215

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 5/8

7:55 am-8:50 am

Nonstop1h 55m

Chicago O'Hare Intl

Sun 5/11

4:41 pm-7:37 pm

Nonstop1h 56m

$221

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Tue 5/6

12:54 pm-5:04 pm

1 stop5h 10m

Chicago O'Hare Intl

Tue 5/13

11:05 am-5:15 pm

1 stop5h 10m

$235

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 5/22

6:30 am-7:25 am

Nonstop1h 55m

Chicago O'Hare Intl

Tue 5/27

7:00 am-5:20 pm

1 stop9h 20m

$250

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Mon 6/9

8:00 pm-10:09 am

2 stops15h 09m

Chicago O'Hare Intl

Fri 6/13

7:07 am-11:20 am

1 stop3h 13m

$301

TorontoChicago

YTZ - ORD

YTZORD

Toronto Island

Sat 5/31

9:45 am-7:27 am

1 stop22h 42m

Chicago O'Hare Intl

Sat 6/7

12:41 pm-9:43 pm

2 stops32h 02m

$332

HamiltonChicago

YHM - ORD

YHMORD

Hamilton

Sun 7/20

6:00 am-11:59 pm

2 stops18h 59m

Chicago O'Hare Intl

Sat 7/26

1:40 pm-11:53 pm

1 stop9h 13m

$497

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 24 results
1
2
3

Compare providers for flights from Toronto to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Toronto to O'Hare Intl in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Toronto-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Toronto-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Toronto-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Toronto-Chicago O'Hare Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Toronto-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Toronto to Chicago O'Hare Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Toronto to Chicago O'Hare Intl Airport trip
Airlines
British Airways

BA offers complimentary hot meals and beverages in economy class on transatlantic flights.


BA's Executive Club offers free seat selection for mid-tier or higher status members.

Air Canada

Air Canada offers free texting on flights for Aeroplan members using services like WhatsApp.


Air Canada's Preferred Seats offer up to four inches more space, ideal for taller passengers.

Read more about Air Canadaby Jessica Macdonald
United Airlines

United's Polaris Lounges offer showers, daybeds, and dining for premium passengers.


United's Economy Plus offers extra legroom and priority boarding for MileagePlus members.

Airports
YYZ

Security lines at YYZ are efficient and fast. Arrive early for US customs pre-clearance before boarding your flight to ORD.

Read more about YYZby Kaitlyn McInnis
ORD

At ORD, take the 'L' train for a quick and cost-effective trip to downtown Chicago, avoiding heavy traffic.

Read more about ORDby Ramsey Qubein
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on British Airways

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Jessica Macdonald

Jessica Macdonald

Expert on Air Canada

Jessica Macdonald

Jessica Macdonald

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on ORD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Kaitlyn McInnis

Kaitlyn McInnis

Expert on YYZ

Kaitlyn McInnis

Kaitlyn McInnis

Kaitlyn is a guidebook author and travel writer splitting her time between Atlantic Canada and Istanbul, Türkiye. She has visited over fifty countries and all seven continents, so she is very familiar with many hotels, airports and airlines around the globe. But her favorite type of vacation is sunbathing by the sea with a good book in hand.

Read more

Best time to book a flight from Toronto to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Toronto with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Toronto to Chicago O'Hare Intl Airport

How far ahead should I book a flight from Toronto to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Toronto to O'Hare Intl. Price data was last updated on April 11, 2025.

The best time to book flights from Toronto to Chicago O'Hare Intl Airport is 74 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Toronto to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Toronto to Chicago O'Hare Intl Airport (average of $245). Flying from Toronto to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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.

What is the cheapest time of day to fly from YTO to ORD?

Find hourly flight availability from Toronto to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

When flying from Toronto to Chicago O'Hare Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 50% versus a flight in the afternoon.

What is the cheapest day to fly from Toronto to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Toronto to O'Hare Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Toronto to Chicago O'Hare Intl Airport flight should consider departing on Saturday evenings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Toronto to Chicago O'Hare Intl Airport

Explore weekly flight availability from Toronto to O'Hare Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 17, 2025.

The most flights from YTO to ORD are scheduled on a Thursday (57 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (44 on average).

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated April 17, 2025.
See what other customers who have flown with Delta, United Airlines and American Airlines from Toronto to Chicago have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good
8.0
Very good

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Toronto to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from Toronto to Chicago O'Hare Intl Airport round-trip?

    Currently priced at $201, Air Canada will fly you from Toronto to Chicago O'Hare Intl Airport and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Delta - these airlines can fly you to your destination from $215 and $235, respectively. Air Canada is priced at 34% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Toronto to Chicago O'Hare Intl Airport one-way?

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $124. Users have also found prices from $134 and $143 on United Airlines and Lufthansa, respectively.

  • What are the most popular routes from Toronto to Chicago O'Hare Intl Airport?

  • What are the most reliable airlines from Toronto to Chicago O'Hare Intl Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Toronto to Chicago O'Hare Intl Airport on time: Copa Airlines (90%), Egyptair (89%), ANA (85%).

  • What are the cheapest flights from Toronto to Chicago O'Hare Intl Airport?

    While on average a flight from Toronto to Chicago O'Hare Intl Airport is generally $528, our data shows the cheapest flight currently is $127. When looking at the most popular route, (Toronto Pearson Intl - Chicago O'Hare Intl), you can expect to pay $201 for that flight.

  • Can I find deals for flights from Toronto to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Toronto to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Toronto to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Toronto to O'Hare Intl.

  • Can I find deals for business class flights from Toronto to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Toronto to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Toronto to Chicago O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Toronto to Chicago O'Hare Intl Airport (average of $245). Flying from Toronto to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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.

See more FAQs

Traveling to a place near Toronto?

Book flights to Toronto if you plan to visit one of these locations
Schaumburg
Hoffman Estates
Rosemont
Beloit
Racine
Naperville
Rockford
Skokie
Tinley Park
Kenosha
Arlington Heights
Elgin
Joliet
Orland Park
Merrillville
Northbrook
Lake Geneva
Waukegan
Glenview
Oak Brook

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.

Top 3 airlines flying from Toronto to O'Hare Intl

Discover the top 3 airlines that operate flights from Toronto to O'Hare Intl. 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 2,558,603 searches. Data last updated April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$196Average$292FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$227Average$317FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$228Average$327FlexibilityNo cancel feeOn-time71%

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.