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Cheap flights from Chicago to Toronto from £79

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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YTO
31 Aug — 7 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Chicago to Toronto are usually found in March or September, booked 90 days in advance, depart on a Wednesday or Saturday and return on a Friday

Cheap flight deals from Chicago to Toronto

Enter your travel dates to find the best prices.

Cheapest flights from Chicago to Toronto
Explore the most affordable flight options available from Chicago to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 August 2026.

Tue 22/910:47
ORD
-
YYZ
Nonstop1h 55m
Multiple Airlines
Tue 22/916:00
YYZ
-
ORD
1 stop5h 12m
Multiple Airlines
Deal found 28/7£176
Mon 24/817:53
ORD
-
YYZ
Nonstop1h 51m
United Airlines
Tue 1/913:00
YYZ
-
ORD
Nonstop2h 05m
United Airlines
Deal found 31/7£178
Tue 8/916:38
ORD
-
YYZ
Nonstop2h 02m
Multiple Airlines
Sat 12/916:00
YYZ
-
ORD
Nonstop1h 58m
Multiple Airlines
Deal found 1/8£179
Thu 10/907:09
ORD
-
YYZ
Nonstop1h 45m
United Airlines
Thu 10/912:45
YYZ
-
ORD
1 stop7h 50m
United Airlines
Deal found 28/7£182
Thu 27/812:59
ORD
-
YYZ
Nonstop1h 47m
United Airlines
Mon 31/811:00
YYZ
-
ORD
Nonstop2h 00m
United Airlines
Deal found 30/7£182
Sun 23/808:50
ORD
-
YYZ
Nonstop1h 59m
Multiple Airlines
Mon 31/815:00
YYZ
-
ORD
1 stop6h 05m
Multiple Airlines
Deal found 31/7£185
Tue 25/814:30
ORD
-
YYZ
1 stop8h 24m
United Airlines
Sat 29/811:00
YYZ
-
ORD
Nonstop2h 00m
United Airlines
Deal found 31/7£185
Thu 20/812:59
ORD
-
YYZ
Nonstop1h 47m
United Airlines
Wed 26/807:00
YYZ
-
ORD
Nonstop2h 00m
United Airlines
Deal found 30/7£186
Tue 1/912:59
ORD
-
YYZ
Nonstop1h 47m
Multiple Airlines
Fri 4/916:00
YYZ
-
ORD
Nonstop1h 57m
Multiple Airlines
Deal found 28/7£188
Thu 17/914:52
ORD
-
YYZ
Nonstop2h 04m
United Airlines
Thu 17/920:00
YYZ
-
ORD
1 stop5h 28m
United Airlines
Deal found 29/7£189
Sun 23/808:50
ORD
-
YYZ
Nonstop1h 59m
United Airlines
Tue 1/912:45
YYZ
-
ORD
1 stop6h 52m
United Airlines
Deal found 31/7£190
Wed 9/921:18
ORD
-
YYZ
Nonstop1h 41m
United Airlines
Tue 15/914:45
YYZ
-
ORD
Nonstop2h 06m
United Airlines
Deal found 29/7£192

Find flight deals from Chicago to Toronto

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 1 August 2026.

Round-trip from

£176

One-way from

£79

Popular in

August

Cheapest in

March

Average price

£231

Good round-trip deal

£273 or less

Good one-way deal

£106 or less
Air Canada
  • Air Canada
  • 22/9-22/9
  • 1 total stop
  • 7h 07m total
  • Chicago to Toronto
Search Deals
United Airlines
  • United Airlines
  • 11/9
  • Nonstop
  • 2h 02m total
  • Chicago to Toronto
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£4 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Chicago (CHI) to Toronto (YTO).
Search Deals
Price to beat on a one-way flight from Chicago (CHI) to Toronto (YTO).
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Chicago 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 858,174 searches. Data last updated 1 August 2026.
Use the filters below to find and compare flights from Chicago to Toronto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 9/9

07:09-09:54

Nonstop1h 45m

Toronto Pearson Intl

Thu 17/9

10:15-11:21

Nonstop2h 06m

£179

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sun 25/10

13:57-16:47

Nonstop1h 50m

Toronto Pearson Intl

Tue 27/10

21:00-22:03

Nonstop2h 03m

£179

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Tue 8/9

21:18-23:59

Nonstop1h 41m

Toronto Pearson Intl

Thu 8/10

19:43-23:32

1 stop4h 49m

£190

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 15/10

12:55-23:54

1 stop9h 59m

Toronto Pearson Intl

Tue 20/10

06:15-10:17

1 stop5h 02m

£192

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 21/10

07:10-13:36

1 stop5h 26m

Toronto Pearson Intl

Sun 25/10

12:10-18:29

1 stop7h 19m

£197

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Mon 14/9

17:10-22:59

1 stop4h 49m

Toronto Pearson Intl

Mon 21/9

09:45-16:13

1 stop7h 28m

£197

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 10/9

13:55-22:59

1 stop8h 04m

Toronto Pearson Intl

Thu 17/9

12:08-18:26

1 stop7h 18m

£197

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sun 4/10

08:50-14:19

1 stop4h 29m

Toronto Pearson Intl

Thu 8/10

19:43-23:32

1 stop4h 49m

£197

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 12/9

18:22-23:54

1 stop4h 32m

Toronto Pearson Intl

Mon 14/9

20:00-00:28

1 stop5h 28m

£197

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Mon 14/9

17:10-22:59

1 stop4h 49m

Toronto Pearson Intl

Sat 19/9

09:45-16:14

1 stop7h 29m

£207

Flights are sorted by cheapest return flights first.

Deals found on 30/7

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Chicago to Toronto

Have a flexible travel schedule? Discover the best time to fly to Toronto from Chicago with our price prediction graph.
Estimated return 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 to Toronto

What is the cheapest month to book a flight from Chicago to Toronto?

Currently, February is the cheapest month in which you can book a flight from Chicago to Toronto (average of £207). Flying from Chicago to Toronto in August is currently the most expensive (average of £257). 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 CHI to YTO?

Find hourly flight availability from Chicago 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 1 August 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 67% on flights from Chicago to Toronto by exploring options for tickets in the morning.

Weekly flight availability from Chicago to Toronto

Explore weekly flight availability from Chicago 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 1 August 2026.

The most flights from CHI to YTO are scheduled on a Friday (78 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (33 on average).

How much does it cost for a return flight from Chicago to Toronto?

Airfare is below average for this route at the moment.
Chicago to Toronto flights typically cost between £188 and £288 in September.
The cheapest return price found within the last 5 days was £176 on Multiple Airlines (22 Sept–22 Sept).

How often are flights from Chicago to Toronto delayed?

About 21% of weekly flights between Chicago and Toronto have experienced delays in the past year, with the average delay time being 131 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, Porter Airlines have had the lowest number of delays on this route, with just 15% of flights being delayed.

How far ahead should I book a flight from Chicago to Toronto?

The price you pay for your flight from Chicago to Toronto may vary depending on when you book. For the best chance of a lower fare, look to book 64 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

Find useful and relevant information for your journey from Chicago 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 to Toronto?

    There are many flights that can get you from Chicago to Toronto in 1h 51m. Fly via United Airlines or Delta to get the fastest option. There are 436 mi between Chicago and Toronto. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Chicago to Toronto round-trip?

    According to our current data, Air Canada (£254), offers the cheapest pricing from Chicago to Toronto.

  • What are the most reliable airlines from Chicago to Toronto?

    No one likes to see their flight delayed. When booking a flight from Chicago to Toronto consider choosing Korean Air (91%), Royal Jordanian (91%) or Republic Airways (83%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Chicago to Toronto?

    The cheapest flight price from Chicago to Toronto is £90. On average you can expect to pay £209. The most popular route, (Chicago O'Hare Intl - Toronto Pearson Intl), can usually be booked for £173.

  • Can I find deals for flights from Chicago to Toronto that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Chicago 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 to Toronto?

    Currently, February is the cheapest month in which you can book a flight from Chicago to Toronto (average of £207). Flying from Chicago to Toronto in August is currently the most expensive (average of £257). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Chicago to Toronto

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Pearson Intl flights

Top airline flying from Chicago to Toronto

Discover the top airline that operate flights from Chicago 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 858,174 searches. Data last updated 1 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£254Average£282FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

When you search for this flight from Chicago 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 Chicago to Toronto?

Cheapflights simply makes it quick and affordable to book flights from Chicago to Toronto 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 Chicago to Toronto with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Chicago to Toronto flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Chicago to Toronto become cheaper?

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

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