How does KAYAK find such low prices on flights from Illinois to Toronto?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Toronto.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Toronto?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Toronto from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Toronto?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Toronto with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Toronto?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Toronto from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$123 CHEAP FLIGHTS from Illinois to Toronto

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Flight Deals

Cheap Flights from Illinois to Toronto

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Toronto

Sat, Apr 10 - Sat, Apr 24

6:20 pm - 9:00 pmORD Chicago O'Hare Intl-YTZ Toronto Island

1h 40mnonstop

10:35 am - 11:30 amYTZ Toronto Island-ORD Chicago O'Hare Intl

1h 55mnonstop

$231Porter Airlines

Sat, Dec 5 - Wed, Dec 9

7:20 am - 10:07 amORD Chicago O'Hare Intl-YTZ Toronto Island

1h 47mnonstop

12:05 pm - 1:20 pmYTZ Toronto Island-ORD Chicago O'Hare Intl

2h 15mnonstop

$236Air Canada

Fri, Jan 22 - Sun, Jan 31

8:25 am - 11:55 pmORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

14h 30m1 stop Fort Lauderdale

4:20 pm - 4:14 pmYYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

24h 54m1 stop Fort Lauderdale

$276Multiple Airlines

Tue, Dec 15 - Wed, Jan 13

10:00 am - 3:20 pmORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

28h 20m2 stops Dallas/Fort Worth Fort Lauderdale

4:20 pm - 4:14 pmYYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

24h 54m1 stop Fort Lauderdale

$281Multiple Airlines

Thu, Nov 12 - Mon, Nov 16

6:20 pm - 9:05 pmORD Chicago O'Hare Intl-YTZ Toronto Island

1h 45mnonstop

4:35 pm - 5:40 pmYTZ Toronto Island-ORD Chicago O'Hare Intl

2h 05mnonstop

$300Porter Airlines

Thu, Nov 12 - Mon, Nov 16

8:45 am - 11:27 amORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

1h 42mnonstop

4:30 pm - 5:43 pmYYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

2h 13mnonstop

$317Air Canada

Thu, Nov 26 - Sat, Nov 28

8:07 am - 10:59 amORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

1h 52mnonstop

7:09 am - 8:39 amYYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

2h 30mnonstop

$374American Airlines

Sat, Dec 5 - Wed, Dec 9

2:50 pm - 5:43 pmORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

1h 53mnonstop

6:23 pm - 7:43 pmYYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

2h 20mnonstop

$374American Airlines

Tue, Nov 24 - Wed, Nov 25

6:17 pm - 9:15 pmORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

1h 58mnonstop

10:53 am - 11:57 amYYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

2h 04mnonstop

$374United Airlines

Sat, Dec 12 - Sat, Dec 19

11:05 am - 2:03 pmORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

1h 58mnonstop

8:35 am - 9:45 amYYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

2h 10mnonstop

$374United Airlines

Recent last minute flight deals from Illinois to Toronto

Thu, Nov 5 - Mon, Nov 9

11:45 am - 2:34 pmORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

1h 49mnonstop

6:21 pm - 7:41 pmYYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

2h 20mnonstop

$348American Airlines

Wed, Nov 4 - Wed, Nov 11

8:45 am - 11:27 amORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

1h 42mnonstop

6:55 pm - 7:58 pmYYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

2h 03mnonstop

$350Air Canada

Tue, Nov 3 - Tue, Nov 10

8:45 pm - 11:46 pmORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

2h 01mnonstop

1:17 pm - 2:37 pmYYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

2h 20mnonstop

$369Qantas Airways

Wed, Nov 4 - Tue, Nov 10

12:15 pm - 3:00 pmORD Chicago O'Hare Intl-YTZ Toronto Island

1h 45mnonstop

10:29 am - 11:34 amYTZ Toronto Island-ORD Chicago O'Hare Intl

2h 05mnonstop

$388Porter Airlines

Thu, Nov 5 - Wed, Nov 11

12:15 pm - 3:00 pmORD Chicago O'Hare Intl-YTZ Toronto Island

1h 45mnonstop

10:29 am - 11:34 amYTZ Toronto Island-ORD Chicago O'Hare Intl

2h 05mnonstop

$388Porter Airlines

Fri, Nov 6 - Sun, Nov 8

6:17 pm - 9:15 pmORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

1h 58mnonstop

6:21 pm - 7:41 pmYYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

2h 20mnonstop

$422Multiple Airlines

Wed, Nov 4 - Tue, Nov 10

6:20 pm - 9:05 pmORD Chicago O'Hare Intl-YTZ Toronto Island

1h 45mnonstop

7:10 pm - 6:30 pmYTZ Toronto Island-ORD Chicago O'Hare Intl

24h 20m2 stops Newark Atlanta Hartsfield-Jackson

$494Multiple Airlines

Wed, Nov 4 - Wed, Nov 18

2:50 pm - 5:41 pmORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

1h 51mnonstop

1:17 pm - 2:37 pmYYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

2h 20mnonstop

$546American Airlines

Tue, Nov 3 - Sun, Nov 15

6:44 pm - 10:56 pmMDW Chicago Midway-YYZ Toronto Pearson Intl

3h 12m1 stop Detroit Metropolitan Wayne County

6:00 am - 9:46 amYYZ Toronto Pearson Intl-MDW Chicago Midway

4h 46m1 stop Detroit Metropolitan Wayne County

$551Delta

Thu, Nov 5 - Fri, Nov 20

1:55 pm - 4:42 pmORD Chicago O'Hare Intl-YTZ Toronto Island

1h 47mnonstop

8:30 am - 3:00 pmYTZ Toronto Island-ORD Chicago O'Hare Intl

7h 30m1 stop Montreal Pierre Elliott Trudeau Intl

$619Air Canada

Recent direct flight deals from Illinois to Toronto

Sat, Apr 10 - Sat, Apr 24

6:20 pm - 9:00 pmORD Chicago O'Hare Intl-YTZ Toronto Island

1h 40mnonstop

10:35 am - 11:30 amYTZ Toronto Island-ORD Chicago O'Hare Intl

1h 55mnonstop

$231Porter Airlines

Sat, Dec 5 - Wed, Dec 9

7:20 am - 10:07 amORD Chicago O'Hare Intl-YTZ Toronto Island

1h 47mnonstop

12:05 pm - 1:20 pmYTZ Toronto Island-ORD Chicago O'Hare Intl

2h 15mnonstop

$236Air Canada

Thu, Nov 12 - Mon, Nov 16

6:20 pm - 9:05 pmORD Chicago O'Hare Intl-YTZ Toronto Island

1h 45mnonstop

4:35 pm - 5:40 pmYTZ Toronto Island-ORD Chicago O'Hare Intl

2h 05mnonstop

$300Porter Airlines

Thu, Nov 12 - Mon, Nov 16

8:45 am - 11:27 amORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

1h 42mnonstop

4:30 pm - 5:43 pmYYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

2h 13mnonstop

$317Air Canada

Mon, Nov 30 - Wed, Dec 2

12:15 pm - 3:00 pmORD Chicago O'Hare Intl-YTZ Toronto Island

1h 45mnonstop

10:30 am - 11:35 amYTZ Toronto Island-ORD Chicago O'Hare Intl

2h 05mnonstop

$318Air Transat

Mon, Nov 30 - Mon, Dec 7

1:55 pm - 4:42 pmORD Chicago O'Hare Intl-YTZ Toronto Island

1h 47mnonstop

4:35 pm - 5:40 pmYTZ Toronto Island-ORD Chicago O'Hare Intl

2h 05mnonstop

$326Multiple Airlines

Thu, Nov 26 - Sat, Nov 28

8:07 am - 10:59 amORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

1h 52mnonstop

7:09 am - 8:39 amYYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

2h 30mnonstop

$374American Airlines

Sat, Dec 5 - Wed, Dec 9

2:50 pm - 5:43 pmORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

1h 53mnonstop

6:23 pm - 7:43 pmYYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

2h 20mnonstop

$374American Airlines

Tue, Nov 24 - Wed, Nov 25

6:17 pm - 9:15 pmORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

1h 58mnonstop

10:53 am - 11:57 amYYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

2h 04mnonstop

$374United Airlines

Sat, Dec 12 - Sat, Dec 19

11:05 am - 2:03 pmORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

1h 58mnonstop

8:35 am - 9:45 amYYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

2h 10mnonstop

$374United Airlines

Useful Info

Low season	February
High season	July
Cheapest flight	$123

Most popular time to fly with an average 3% increase in price.

Flight from Chicago O'Hare Airport to Toronto Pearson Airport

Verified travelerFlew with Air Canada-Oct 2026

O'Hare is a big airport, so find some time to look at the layout befire arrival so you know roughly where you are and where you're going. Signage is great so it shouldn't be a great hassle.

NikhilFlew with Air Canada-Jul 2025

small flight, not much storage space as per the passengers. Try to get a booking which is Group 1 or 2 latest.

Verified travelerFlew with Porter Airlines-Sep 2024

Please start bags check-in at least 2.5 hour before flight and finish at 30 min before flight.

How does KAYAK find such low prices on flights from Illinois to Toronto?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Toronto.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Toronto?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Toronto from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Toronto?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Toronto with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Toronto?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Toronto from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.