$79 Find Cheap Flights from Illinois to Toronto

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Toronto departing on 1/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$184
Overall average: $337
American Airlines
Mon 1/26Mon 2/2
ORD - YYZ • Non-stop
Cheapest one-way
$79
Typical prices: $248-$343
Multiple Airlines
Mon 1/12
STL - YYZ • 1 stop
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Flight Deals
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Flight Deals

Cheap Flights from Illinois to Toronto

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Toronto that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Illinois to Toronto

Mon, Jan 26 - Mon, Feb 2
American Airlines Logo
3:37 pm - 6:20 pmORD-YYZ
1h 43mnonstop
American Airlines Logo
4:44 pm - 5:44 pmYYZ-ORD
2h 00mnonstop
$184American Airlines
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Wed, Jan 14 - Wed, Jan 21
United Airlines Logo
8:45 am - 2:14 pmORD-YYZ
4h 29m1 stop
United Airlines Logo
9:00 am - 10:06 amYYZ-ORD
2h 06mnonstop
$185United Airlines
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Mon, Jan 12 - Mon, Jan 19
Porter Airlines Logo
11:00 am - 1:42 pmMDW-YTZ
1h 42mnonstop
Porter Airlines Logo
9:15 am - 10:05 amYTZ-MDW
1h 50mnonstop
$186Porter Airlines
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Thu, Dec 25 - Fri, Jan 9
Porter Airlines Logo
4:15 pm - 6:57 pmMDW-YTZ
1h 42mnonstop
Porter Airlines Logo
9:15 am - 10:05 amYTZ-MDW
1h 50mnonstop
$187Porter Airlines
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Thu, Jan 22 - Mon, Jan 26
Multiple Airlines Logo
8:45 pm - 11:20 pmORD-YYZ
1h 35mnonstop
Multiple Airlines Logo
6:00 am - 7:15 amYYZ-ORD
2h 15mnonstop
$187Multiple Airlines
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Thu, Jan 22 - Mon, Jan 26
Multiple Airlines Logo
2:00 pm - 4:39 pmORD-YYZ
1h 39mnonstop
Multiple Airlines Logo
6:00 am - 7:15 amYYZ-ORD
2h 15mnonstop
$188Multiple Airlines
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Mon, Feb 2 - Wed, Feb 4
Air Canada Logo
2:00 pm - 4:39 pmORD-YYZ
1h 39mnonstop
Air Canada Logo
9:00 am - 2:55 pmYYZ-ORD
6h 55m1 stop
$193Air Canada
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Mon, Feb 2 - Wed, Feb 4
Air Canada Logo
7:15 am - 2:25 pmORD-YTZ
6h 10m1 stop
Air Canada Logo
9:30 am - 2:55 pmYTZ-ORD
6h 25m1 stop
$203Air Canada
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Thu, Jan 22 - Mon, Jan 26
Delta Logo
9:32 am - 4:12 pmMDW-YYZ
5h 40m1 stop
Delta Logo
6:00 am - 12:46 pmYYZ-MDW
7h 46m1 stop
$233Delta
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Mon, Jan 5 - Thu, Jan 8
Delta Logo
1:28 pm - 10:41 pmMDW-YYZ
8h 13m1 stop
Delta Logo
10:05 am - 5:34 pmYYZ-MDW
8h 29m1 stop
$248Delta
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Useful Info

Good to know

Low seasonJanuary
Cheapest flight$79
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly with an average 9% increase in price.
Flight from St. Louis to Toronto

Flights from Illinois to Toronto: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Illinois to Toronto 
Learn how KAYAK collects reviews and tips from users.
NikhilFlew with Air CanadaORD-YYZJul 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 AirlinesMDW-YTZSep 2024
Please start bags check-in at least 2.5 hour before flight and finish at 30 min before flight.

FAQs for booking flights from Illinois to Toronto

  • 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.

Traveling to a place near Toronto?

Book flights to Toronto if you plan to visit one of these locations
Apsley

Everything you need to know for your flight to Toronto

Cabin class types available on flights to Illinois

Cabin classes available on flights to Toronto. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to Torontofrom $830
Business Class flights to Torontofrom $615
Prem Econ Class flights to Torontofrom $549
Economy Class flights to Torontofrom $64