$104 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 9/3. 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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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

Sat, Jul 4 - Mon, Jul 6
Air Canada Logo
8:45 am - 6:20 pm
ORD
-
YTZ
8h 35m
2 stops
Air Canada Logo
7:25 pm - 8:29 pm
YTZ
-
ORD
2h 04mnonstop
$218Air Canada
Thu, Jul 30 - Mon, Aug 3
Porter Airlines Logo
3:20 pm - 6:00 pm
MDW
-
YTZ
1h 40mnonstop
Porter Airlines Logo
8:50 am - 9:40 am
YTZ
-
MDW
1h 50mnonstop
$219Porter Airlines
Fri, Jul 24 - Mon, Jul 27
KLM Logo
9:19 am - 5:24 pm
MDW
-
YYZ
7h 05m
1 stop
KLM Logo
12:09 pm - 6:25 pm
YYZ
-
MDW
7h 16m
1 stop
$266KLM
Wed, Sep 9 - Tue, Sep 15
Delta Logo
9:29 am - 5:20 pm
MDW
-
YYZ
6h 51m
1 stop
Delta Logo
6:00 am - 12:34 pm
YYZ
-
MDW
7h 34m
1 stop
$272Delta
Fri, Oct 2 - Sun, Oct 11
Delta Logo
9:30 am - 5:20 pm
MDW
-
YYZ
6h 50m
1 stop
Delta Logo
12:15 pm - 6:37 pm
YYZ
-
MDW
7h 22m
1 stop
$273Delta
Thu, Jul 2 - Mon, Jul 6
KLM Logo
1:26 pm - 11:02 pm
MDW
-
YYZ
8h 36m
1 stop
KLM Logo
12:09 pm - 6:31 pm
YYZ
-
MDW
7h 22m
1 stop
$279KLM
Tue, Jul 21 - Tue, Jul 28
American Airlines Logo
6:55 am - 5:34 pm
STL
-
YYZ
9h 39m
1 stop
American Airlines Logo
1:17 pm - 12:16 am
YYZ
-
STL
11h 59m
1 stop
$368American Airlines
Tue, Jul 21 - Tue, Jul 28
American Airlines Logo
6:55 am - 5:34 pm
STL
-
YYZ
9h 39m
1 stop
American Airlines Logo
1:17 pm - 12:16 am
YYZ
-
STL
11h 59m
1 stop
$375American Airlines
Tue, Jul 14 - Tue, Jul 21
Multiple Airlines Logo
7:03 pm - 1:05 am
STL
-
YYZ
29h 02m
2 stops
Multiple Airlines Logo
8:35 pm - 6:05 pm
YYZ
-
STL
22h 30m
1 stop
$419Multiple Airlines
Tue, Jul 14 - Tue, Jul 21
Multiple Airlines Logo
8:08 pm - 10:45 pm
STL
-
YYZ
25h 37m
2 stops
Multiple Airlines Logo
7:00 am - 6:05 pm
YYZ
-
STL
12h 05m
1 stop
$425Multiple Airlines
Useful Info

Good to know

Low seasonFebruary
Cheapest flight$104
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly with an average 9% increase in price.
Flight from Chicago O'Hare Airport to Toronto Island

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 Canada
ORD
-
YYZ
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
MDW
-
YTZ
Sep 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 $1,957
Business Class flights to Torontofrom $592
Premium Economy Class flights to Torontofrom $510
Economy Class flights to Torontofrom $195