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Cheap flights from Chicago O'Hare Intl Airport to Toronto from C$ 149

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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YTO
26 Aug — 2 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Chicago O'Hare Intl to Toronto are usually found in February or January, booked 85 days in advance, depart on a Tuesday or Thursday and return on a Friday

Cheap flight deals from O'Hare Intl to Toronto

Enter your travel dates to find the best prices.

Cheapest flights from O'Hare Intl to Toronto
Explore the most affordable flight options available from O'Hare Intl to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 July 2026.

Thu 10/98:45 a.m.
ORD
-
YTZ
1 stop6h 05m
Air Canada
Sun 13/97:35 p.m.
YTZ
-
ORD
Nonstop2h 06m
Air Canada
Deal found 23/7C$ 334
Thu 10/98:40 p.m.
ORD
-
YYZ
Nonstop1h 46m
Air Canada
Sun 13/97:00 a.m.
YYZ
-
ORD
Nonstop2h 00m
Air Canada
Deal found 26/7C$ 334
Thu 10/98:45 a.m.
ORD
-
YTZ
1 stop6h 05m
Air Canada
Thu 17/99:30 a.m.
YTZ
-
ORD
1 stop6h 22m
Air Canada
Deal found 27/7C$ 337
Mon 7/97:25 a.m.
ORD
-
YTZ
Nonstop1h 42m
Air Canada
Mon 14/912:15 p.m.
YTZ
-
ORD
Nonstop2h 06m
Air Canada
Deal found 24/7C$ 338
Tue 1/92:30 p.m.
ORD
-
YYZ
1 stop8h 24m
Lufthansa
Sat 5/911:00 a.m.
YYZ
-
ORD
Nonstop2h 00m
Lufthansa
Deal found 24/7C$ 340
Wed 9/97:25 a.m.
ORD
-
YTZ
Nonstop1h 42m
Air Canada
Wed 16/98:30 a.m.
YTZ
-
ORD
1 stop7h 22m
Air Canada
Deal found 26/7C$ 342
Mon 21/911:05 a.m.
ORD
-
YYZ
1 stop5h 28m
Air Canada
Thu 24/96:50 p.m.
YYZ
-
ORD
Nonstop1h 58m
Air Canada
Deal found 25/7C$ 344
Wed 9/92:00 p.m.
ORD
-
YTZ
Nonstop1h 42m
Air Canada
Tue 15/912:15 p.m.
YTZ
-
ORD
Nonstop2h 06m
Air Canada
Deal found 26/7C$ 345
Wed 9/911:05 a.m.
ORD
-
YYZ
1 stop5h 28m
Air Canada
Wed 16/99:00 a.m.
YYZ
-
ORD
1 stop6h 52m
Air Canada
Deal found 26/7C$ 345
Tue 1/98:40 a.m.
ORD
-
YTZ
1 stop6h 11m
Air Canada
Sat 5/98:20 a.m.
YTZ
-
ORD
2 stops7h 35m
Air Canada
Deal found 24/7C$ 348
Fri 11/97:45 a.m.
ORD
-
YHM
1 stop31h 10m
Multiple Airlines
Thu 17/96:10 p.m.
YHM
-
ORD
1 stop23h 30m
Multiple Airlines
Deal found 22/7C$ 638
Thu 10/95:30 p.m.
ORD
-
YHM
3 stops23h 05m
Multiple Airlines
Mon 14/96:05 a.m.
YHM
-
ORD
3 stops35h 35m
Multiple Airlines
Deal found 27/7C$ 661

Find flight deals from O'Hare Intl to Toronto

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Toronto (YTO). 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 27 July 2026.

Round-trip from

C$ 334

One-way from

C$ 149

Popular in

October

Cheapest in

February

Average price

C$ 448

Good round-trip deal

C$ 157 or less

Good one-way deal

C$ 238 or less
Air Canada
  • Air Canada
  • 10/9-13/9
  • 1 total stop
  • 8h 11m total
  • Chicago to Toronto
Search Deals
Air Canada
  • Air Canada
  • 6/9
  • Nonstop
  • 1h 42m total
  • Chicago to Toronto
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 2 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Chicago O'Hare Intl to Toronto (YTO).
Search Deals
Price to beat on a one-way flight from Chicago O'Hare Intl to Toronto (YTO).
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Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl to Toronto 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 27 July 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Toronto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Mon 14/9

5:10 p.m.-10:59 p.m.

1 stop4h 49m

Toronto Pearson Intl

Fri 25/9

6:00 a.m.-12:59 p.m.

1 stop7h 59m

C$ 393

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Tue 15/9

7:05 a.m.-11:18 a.m.

1 stop3h 13m

Toronto Pearson Intl

Wed 16/9

12:08 p.m.-4:13 p.m.

1 stop5h 05m

C$ 393

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 11/9

6:15 p.m.-11:54 p.m.

1 stop4h 39m

Toronto Pearson Intl

Thu 17/9

9:44 a.m.-2:27 p.m.

1 stop5h 43m

C$ 407

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 4/9

6:59 a.m.-3:20 p.m.

1 stop7h 21m

Toronto Pearson Intl

Mon 7/9

6:10 a.m.-1:08 p.m.

1 stop7h 58m

C$ 433

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 5/9

9:15 p.m.-11:59 p.m.

Nonstop1h 44m

Toronto Pearson Intl

Sun 6/9

11:00 a.m.-12:00 p.m.

Nonstop2h 00m

C$ 449

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 19/8

1:59 p.m.-11:03 p.m.

1 stop8h 04m

Toronto Pearson Intl

Tue 25/8

9:45 a.m.-1:08 p.m.

1 stop4h 23m

C$ 471
Quickest round-trip

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Tue 11/8

7:09 a.m.-9:54 a.m.

Nonstop1h 45m

Toronto Pearson Intl

Tue 18/8

12:25 p.m.-1:22 p.m.

Nonstop1h 57m

C$ 485

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 12/8

6:59 a.m.-3:20 p.m.

1 stop7h 21m

Toronto Pearson Intl

Mon 17/8

12:09 p.m.-6:29 p.m.

1 stop7h 20m

C$ 488

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 3/9

12:59 p.m.-3:46 p.m.

Nonstop1h 47m

Toronto Pearson Intl

Mon 7/9

7:00 a.m.-8:00 a.m.

Nonstop2h 00m

C$ 490

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Tue 18/8

6:30 a.m.-2:19 p.m.

1 stop6h 49m

Toronto Pearson Intl

Sun 23/8

8:05 a.m.-9:00 a.m.

Nonstop1h 55m

C$ 497

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/7

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from O'Hare Intl to Toronto

Have a flexible travel schedule? Discover the best time to fly to Toronto from O'Hare Intl 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 Chicago O'Hare Intl Airport to Toronto

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

Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Toronto (average of C$ 373). Flying from Chicago O'Hare Intl Airport to Toronto in March is currently the most expensive (average of C$ 568). 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 ORD to YTO?

Find hourly flight availability from O'Hare Intl to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 July 2026.

It’s optimal to fly from Chicago O'Hare Intl Airport to Toronto in the evening. By choosing this option you can save up to 38% on the cost of your flight, compared to a flight in the morning.

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

Explore weekly flight availability from O'Hare Intl to Toronto. 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 27 July 2026.

The most flights from ORD to YTO are scheduled on a Friday (74 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (65 on average).

How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to Toronto?

Airfare is below average for this route at the moment.
Chicago O'Hare Intl Airport to Toronto flights typically cost between C$ 418 and C$ 728 in September.
The cheapest round-trip price found within the last 5 days was C$ 334 on Air Canada (10 Sep-13 Sep).

What’s the top layover airport for flights from Chicago O'Hare Intl Airport to Toronto?

Share of one-stop round-trip flights from Chicago O'Hare Intl Airport to Toronto chosen by Cheapflights users in the past 12 months, using the same layover each way.

Detroit (DTW) – chosen by Cheapflights users on 67% of one-stop itineraries from Chicago O'Hare Intl Airport to Toronto on Cheapflights.

What’s the cheapest layover airport for flights from Chicago O'Hare Intl Airport to Toronto?

Average round-trip fare for 1-stop flights from Chicago O'Hare Intl Airport to Toronto, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Detroit (DTW) is the most affordable 1-stop option, with an average round-trip price of C$ 728.

What’s the fastest layover option from Chicago O'Hare Intl Airport to Toronto?

Shortest average travel time for 1-stop one-way flights from Chicago O'Hare Intl Airport to Toronto, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Detroit (DTW) have the shortest average one-way travel time for 1-stop routes: 4h 20m.

Which airport typically offers the quickest layover for flights from Chicago O'Hare Intl Airport to Toronto?

Average layover duration for 1-stop one-way flights from Chicago O'Hare Intl Airport to Toronto, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Detroit (DTW) offer the fastest connection on this route, with an average layover time of 1h 11m.

How often are flights from Chicago to Toronto delayed?

About 22% of weekly flights between Chicago and Toronto have experienced delays in the past year, with the average delay time being 133 minutes.

What is the most punctual flight time for Chicago to Toronto flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Chicago to Toronto flights?

Over the past year, United Airlines has had the lowest number of delays on this route, with just 18% of flights being delayed.

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

Booking 48 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago O'Hare Intl Airport to Toronto. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Toronto. Price data was last updated on 25 July 2026.

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

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Toronto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Chicago O'Hare Intl Airport to Toronto?

    For as low as C$ 407, Delta can have you in Toronto from Chicago O'Hare Intl Airport in 4h 39m. There are 702 km between Chicago O'Hare Intl Airport and Toronto. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Toronto round-trip?

    Cheapflights users have booked flights from Chicago O'Hare Intl Airport to Toronto round-trip from C$ 291. Another airline that can offer you cheap pricing is United Airlines. Air Canada is 35% cheaper than the average price of flights available within the next 90 days to this destination.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at C$ 114. Porter Airlines flights start at C$ 124 while deals on United Airlines start at C$ 125 one-way.

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

    The most popular flight routes from Chicago O'Hare Intl Airport to Toronto are Chicago O'Hare Intl - Toronto Pearson Intl, Chicago O'Hare Intl - Toronto Island and Chicago O'Hare Intl - Hamilton.

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

    Before booking your flight to Toronto from Chicago O'Hare Intl Airport, check out the most reliable airlines to get you to your destination on time: Korean Air (91%), Royal Jordanian (91%), Republic Airways( 83%).

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

    On average you can expect to pay C$ 362 for a flight from Chicago O'Hare Intl Airport to Toronto. The cheapest flight overall is C$ 163 while the most popular route, (Chicago O'Hare Intl - Toronto Pearson Intl) is currently priced at C$ 328.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from O'Hare Intl to Toronto 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 Chicago O'Hare Intl Airport to Toronto?

    Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Toronto (average of C$ 373). Flying from Chicago O'Hare Intl Airport to Toronto in March is currently the most expensive (average of C$ 568). 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

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Top 2 airlines flying from O'Hare Intl to Toronto

Discover the top 2 airlines that operate flights from O'Hare Intl to Toronto. 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 27 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 291AverageC$ 449FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 311AverageC$ 449FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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

When you search for this flight from O'Hare Intl to Toronto, 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 O'Hare Intl to Toronto?

Cheapflights helps you find that perfect flight to Toronto from O'Hare Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to Toronto from O'Hare Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes! Start tracking prices for O'Hare Intl to Toronto flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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