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Cheap flights from Toronto to Chicago O'Hare Intl Airport from C$ 171

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 30/5. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — ORD
20 Apr — 27 Apr1
1 adult

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 Saturday and return on a Tuesday

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 15 April 2025.

Round-trip from

C$ 273

One-way from

C$ 171

Popular in

December

Cheapest in

May

Average price

C$ 407

Good round-trip deal

C$ 412 or less

Good one-way deal

C$ 269 or less
Air Canada
  • Air Canada
  • 6/5-13/5
  • 3 total stops
  • 16h 07m total
  • Toronto to Chicago
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Air Canada
  • Air Canada
  • 30/5
  • Nonstop
  • 1h 55m total
  • Toronto to Chicago
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Highest demand for flights based on searches. 2% potential increase in price (C$ 13 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Toronto (YTO) to Chicago O'Hare Intl.
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Price to beat on a one-way flight from Toronto (YTO) to Chicago O'Hare Intl.
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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 15 April 2025.

Tue 6/510:20 a.m.YTZ - ORD
2 stops10h 52mAir Canada
Tue 13/52:22 p.m.ORD - YTZ
1 stop5h 15mAir Canada
Deal found 15/4C$ 273
Tue 6/510:00 a.m.YYZ - ORD
2 stops11h 12mAir Canada
Wed 14/59:35 a.m.ORD - YYZ
Nonstop1h 40mAir Canada
Deal found 14/4C$ 274
Wed 30/41:00 p.m.YYZ - ORD
Nonstop2h 07mUnited Airlines
Fri 9/59:02 a.m.ORD - YYZ
Nonstop1h 47mUnited Airlines
Deal found 15/4C$ 299
Thu 1/52:10 p.m.YYZ - ORD
Nonstop1h 55mMultiple Airlines
Sat 10/51:55 p.m.ORD - YYZ
1 stop6h 44mMultiple Airlines
Deal found 14/4C$ 305
Thu 8/56:30 a.m.YYZ - ORD
1 stop4h 21mDelta
Sun 11/56:24 a.m.ORD - YYZ
1 stop4h 16mDelta
Deal found 15/4C$ 330
Thu 8/59:00 p.m.YYZ - ORD
Nonstop2h 06mBrussels Airlines
Sun 11/59:35 a.m.ORD - YYZ
Nonstop1h 40mBrussels Airlines
Deal found 14/4C$ 335
Tue 13/57:25 a.m.YTZ - ORD
1 stop5h 07mMultiple Airlines
Tue 20/512:41 p.m.ORD - YTZ
3 stops30h 56mMultiple Airlines
Deal found 15/4C$ 388
Thu 8/56:30 a.m.YYZ - ORD
1 stop6h 17mWestJet
Sun 11/57:10 a.m.ORD - YYZ
1 stop6h 50mWestJet
Deal found 14/4C$ 389
Thu 8/56:30 a.m.YYZ - ORD
Nonstop1h 55mAmerican Airlines
Sun 11/56:00 a.m.ORD - YYZ
1 stop4h 55mAmerican Airlines
Deal found 15/4C$ 409
Thu 8/56:00 a.m.YKF - ORD
1 stop11h 44mMultiple Airlines
Sun 11/55:30 p.m.ORD - YKF
2 stops24h 55mMultiple Airlines
Deal found 15/4C$ 437
Sat 24/56:00 a.m.YKF - ORD
1 stop11h 44mWestJet
Mon 26/55:30 p.m.ORD - YKF
1 stop30h 16mWestJet
Deal found 14/4C$ 783
Sat 24/56:00 a.m.YHM - ORD
1 stop11h 44mWestJet
Mon 26/55:30 p.m.ORD - YHM
1 stop30h 11mWestJet
Deal found 14/4C$ 812

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 629,999 searches. Data last updated 15 April 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 6/5

10:20 a.m.-8:12 p.m.

2 stops10h 52m

Chicago O'Hare Intl

Tue 13/5

2:22 p.m.-8:37 p.m.

1 stop5h 15m

C$ 273

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Tue 6/5

10:00 a.m.-8:12 p.m.

2 stops11h 12m

Chicago O'Hare Intl

Wed 14/5

9:35 a.m.-12:15 p.m.

Nonstop1h 40m

C$ 274

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Wed 30/4

1:00 p.m.-2:07 p.m.

Nonstop2h 07m

Chicago O'Hare Intl

Fri 9/5

9:02 a.m.-11:49 a.m.

Nonstop1h 47m

C$ 299

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 1/5

2:10 p.m.-3:05 p.m.

Nonstop1h 55m

Chicago O'Hare Intl

Sat 10/5

1:55 p.m.-9:39 p.m.

1 stop6h 44m

C$ 305

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 8/5

6:30 a.m.-9:51 a.m.

1 stop4h 21m

Chicago O'Hare Intl

Sun 11/5

6:24 a.m.-11:40 a.m.

1 stop4h 16m

C$ 330

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 8/5

9:00 p.m.-10:06 p.m.

Nonstop2h 06m

Chicago O'Hare Intl

Sun 11/5

9:35 a.m.-12:15 p.m.

Nonstop1h 40m

C$ 335

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 24/5

6:30 a.m.-7:25 a.m.

Nonstop1h 55m

Chicago O'Hare Intl

Mon 26/5

6:00 a.m.-11:55 a.m.

1 stop4h 55m

C$ 384

TorontoChicago

YTZ - ORD

YTZORD

Toronto Island

Tue 13/5

7:25 a.m.-11:32 a.m.

1 stop5h 07m

Chicago O'Hare Intl

Tue 20/5

12:41 p.m.-8:37 p.m.

3 stops30h 56m

C$ 388

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 8/5

6:30 a.m.-11:47 a.m.

1 stop6h 17m

Chicago O'Hare Intl

Sun 11/5

7:10 a.m.-3:00 p.m.

1 stop6h 50m

C$ 389

TorontoChicago

YKF - ORD

YKFORD

Toronto Region of Waterloo Intl

Thu 8/5

6:00 a.m.-4:44 p.m.

1 stop11h 44m

Chicago O'Hare Intl

Sun 11/5

5:30 p.m.-7:25 p.m.

2 stops24h 55m

C$ 437

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/4

Showing 1-10 of 27 results
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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 11 April 2025.

To ensure you get the cheapest price possible for a flight from Toronto to Chicago O'Hare Intl Airport, you should look to book at least 74 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Toronto to Chicago O'Hare Intl Airport (average of C$ 261). Flying from Toronto to Chicago O'Hare Intl Airport in March is currently the most expensive (average of C$ 355). 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 15 April 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 64% on flights from Toronto to Chicago O'Hare Intl Airport by exploring options for tickets in the evening.

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 16 December 2024.

Travelers seeking maximum savings on their Toronto to Chicago O'Hare Intl Airport flight should consider departing on Friday evenings when fares are most often at their lowest. Wednesday 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 15 April 2025.

The most flights from YTO to ORD are scheduled on a Tuesday (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 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.

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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

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 15 April 2025.
Read through reviews of airlines operating flights from Toronto to Chicago, such as Delta, United Airlines and Brussels Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,917 reviews
Check prices

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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
United Airlines
7.4
Good
8,658 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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
Brussels Airlines
7.4
Good
345 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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
WestJet
7.2
Good
2,805 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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?

    According to our current data, Air Canada (C$ 273), United Airlines (C$ 313), and Delta (C$ 330) offers the cheapest pricing from Toronto to Chicago O'Hare Intl Airport. Users have found that Air Canada is 35% cheaper than the other options available to this destination.

  • 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 C$ 171. Users have also found prices from C$ 204 and C$ 225 on Delta and WestJet, respectively.

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

    When deciding which route to take from Toronto to Chicago O'Hare Intl Airport consider Toronto Pearson Intl - Chicago O'Hare Intl, Toronto Island - Chicago O'Hare Intl or Toronto Region of Waterloo Intl - Chicago O'Hare Intl as they are the most popular.

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

    No one likes to see their flight delayed. When booking a flight from Toronto to Chicago O'Hare Intl Airport consider choosing Copa Airlines (88%), Egyptair (87%) or Emirates (85%) as they are the most reliable in getting you off to your destination on time.

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

    The cheapest flight price from Toronto to Chicago O'Hare Intl Airport is C$ 186. On average you can expect to pay C$ 1,472. The most popular route, (Toronto Pearson Intl - Chicago O'Hare Intl), can usually be booked for C$ 281.

  • 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, January is the cheapest month in which you can book a flight from Toronto to Chicago O'Hare Intl Airport (average of C$ 261). Flying from Toronto to Chicago O'Hare Intl Airport in March is currently the most expensive (average of C$ 355). 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

Travelling to a place near Toronto?

Book flights to Toronto if you plan to visit one of these locations
Elk Grove Village
Evanston
Downers Grove
Skokie
Naperville
Bolingbrook
Romeoville

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Top 5 airlines flying from Toronto to O'Hare Intl

Discover the top 5 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 629,999 searches. Data last updated 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 277AverageC$ 346FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 303AverageC$ 421FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 320AverageC$ 524FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 332AverageC$ 455FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 431AverageC$ 587FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Toronto to O'Hare Intl?

Cheapflights makes it easy to find Toronto to O'Hare Intl 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 Toronto to O'Hare Intl?

Cheapflights simply makes it quick and affordable to book flights from Toronto to O'Hare Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Toronto to O'Hare Intl with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Toronto to O'Hare Intl, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Toronto to O'Hare Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to O'Hare Intl from Toronto today and book when prices fit your budget.

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