Cheap flights from Illinois to Toronto from C$ 117

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YTO
28 Feb — 7 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Illinois to Toronto

Enter your travel dates to find the best prices.

Cheapest flights from Illinois to Toronto
Explore the most affordable flight options available from Illinois to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 January 2026.

Fri 3/44:15 p.m.
MDW
-
YTZ
Nonstop1h 42m
Porter Airlines
Mon 6/49:15 a.m.
YTZ
-
MDW
Nonstop1h 50m
Porter Airlines
Deal found 27/1C$ 255
Thu 18/68:45 a.m.
ORD
-
YTZ
1 stop6h 06m
Air Canada
Sun 21/67:20 p.m.
YTZ
-
ORD
Nonstop1h 56m
Air Canada
Deal found 27/1C$ 255
Thu 19/28:00 a.m.
ORD
-
YYZ
Nonstop1h 40m
Air Canada
Mon 23/26:40 p.m.
YYZ
-
ORD
Nonstop2h 00m
Air Canada
Deal found 27/1C$ 257
Sat 14/312:50 p.m.
ORD
-
YTZ
1 stop6h 05m
Air Canada
Sat 21/37:00 a.m.
YTZ
-
ORD
1 stop5h 18m
Air Canada
Deal found 28/1C$ 258
Thu 19/211:05 a.m.
MDW
-
YTZ
Nonstop1h 42m
Porter Airlines
Sat 21/211:05 a.m.
YTZ
-
MDW
Nonstop1h 50m
Porter Airlines
Deal found 27/1C$ 261
Tue 28/49:50 a.m.
ORD
-
YYZ
Nonstop1h 42m
Air Canada
Tue 28/46:30 p.m.
YYZ
-
ORD
Nonstop1h 55m
Air Canada
Deal found 27/1C$ 261
Sat 14/32:00 p.m.
ORD
-
YYZ
Nonstop1h 39m
Air Canada
Sat 21/34:50 p.m.
YYZ
-
ORD
Nonstop1h 58m
Air Canada
Deal found 28/1C$ 262
Sat 4/412:45 p.m.
MDW
-
YTZ
Nonstop1h 42m
Multiple Airlines
Sat 11/411:00 a.m.
YTZ
-
MDW
Nonstop1h 50m
Multiple Airlines
Deal found 27/1C$ 263
Tue 17/211:05 a.m.
MDW
-
YTZ
Nonstop1h 42m
Porter Airlines
Thu 19/29:20 a.m.
YTZ
-
MDW
Nonstop1h 50m
Porter Airlines
Deal found 27/1C$ 265
Sat 11/412:45 p.m.
MDW
-
YTZ
Nonstop1h 42m
Multiple Airlines
Sun 12/49:15 a.m.
YTZ
-
MDW
Nonstop1h 50m
Multiple Airlines
Deal found 27/1C$ 266
Thu 16/411:00 a.m.
MDW
-
YTZ
Nonstop1h 42m
Porter Airlines
Sun 19/49:15 a.m.
YTZ
-
MDW
Nonstop1h 50m
Porter Airlines
Deal found 27/1C$ 267
Fri 13/38:00 a.m.
ORD
-
YYZ
Nonstop1h 40m
Air Canada
Mon 16/38:15 a.m.
YYZ
-
ORD
Nonstop1h 58m
Air Canada
Deal found 26/1C$ 269

Find flight deals from Illinois to Toronto

Keep the following information in mind while searching for Illinois to Toronto flight deals. Data was last updated 29 January 2026.

Round-trip from

C$ 255

One-way from

C$ 117

Popular in

January

Cheapest in

September

Average price

C$ 419

Good round-trip deal

C$ 179 or less

Good one-way deal

C$ 196 or less
Porter Airlines
  • Porter Airlines
  • 3/4-6/4
  • Nonstop
  • 3h 32m total
  • Illinois to Toronto
10/3
  • 10/3
  • 1 total stop
  • 21h 02m total
  • Illinois to Toronto
Highest demand for flights based on searches. 11% potential increase in price (C$ 62 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease (C$ 8 potential savings vs. average RT price).
Average for round-trip flights in January 2026
Price to beat on a round-trip flight from Illinois to Toronto (YTO).
Price to beat on a one-way flight from Illinois to Toronto (YTO).

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois 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 29 January 2026.
Use the filters below to find and compare flights from Illinois to Toronto that are best for you.

Fly from

Illinois

Fly to

Toronto

Route

Depart

Return

Price

ChicagoToronto

MDW - YTZ

MDWYTZ

Chicago Midway

Thu 4/6

5:35 p.m.-8:15 p.m.

Nonstop1h 40m

Toronto Island

Sun 7/6

4:00 p.m.-4:50 p.m.

Nonstop1h 50m

C$ 263

ChicagoToronto

MDW - YTZ

MDWYTZ

Chicago Midway

Fri 8/5

5:35 p.m.-8:15 p.m.

Nonstop1h 40m

Toronto Island

Mon 11/5

8:50 a.m.-9:40 a.m.

Nonstop1h 50m

C$ 266

ChicagoToronto

MDW - YTZ

MDWYTZ

Chicago Midway

Thu 12/3

11:00 a.m.-1:42 p.m.

Nonstop1h 42m

Toronto Island

Thu 19/3

2:30 p.m.-3:20 p.m.

Nonstop1h 50m

C$ 266

ChicagoToronto

MDW - YTZ

MDWYTZ

Chicago Midway

Sat 11/4

12:45 p.m.-3:27 p.m.

Nonstop1h 42m

Toronto Island

Sun 12/4

9:15 a.m.-10:05 a.m.

Nonstop1h 50m

C$ 266

ChicagoToronto

MDW - YTZ

MDWYTZ

Chicago Midway

Sat 14/3

12:45 p.m.-3:27 p.m.

Nonstop1h 42m

Toronto Island

Tue 17/3

9:15 a.m.-10:05 a.m.

Nonstop1h 50m

C$ 267

ChicagoToronto

MDW - YTZ

MDWYTZ

Chicago Midway

Fri 29/5

10:25 a.m.-1:05 p.m.

Nonstop1h 40m

Toronto Island

Sun 31/5

8:50 a.m.-9:40 a.m.

Nonstop1h 50m

C$ 267

ChicagoToronto

MDW - YTZ

MDWYTZ

Chicago Midway

Thu 7/5

10:25 a.m.-1:05 p.m.

Nonstop1h 40m

Toronto Island

Mon 11/5

4:00 p.m.-4:50 p.m.

Nonstop1h 50m

C$ 267

ChicagoToronto

MDW - YTZ

MDWYTZ

Chicago Midway

Tue 17/2

11:05 a.m.-1:47 p.m.

Nonstop1h 42m

Toronto Island

Thu 19/2

9:20 a.m.-10:10 a.m.

Nonstop1h 50m

C$ 267

ChicagoToronto

MDW - YTZ

MDWYTZ

Chicago Midway

Thu 16/4

4:15 p.m.-6:57 p.m.

Nonstop1h 42m

Toronto Island

Sun 19/4

9:15 a.m.-10:05 a.m.

Nonstop1h 50m

C$ 267

ChicagoToronto

MDW - YTZ

MDWYTZ

Chicago Midway

Fri 3/4

11:00 a.m.-1:42 p.m.

Nonstop1h 42m

Toronto Island

Mon 6/4

9:15 a.m.-10:05 a.m.

Nonstop1h 50m

C$ 269

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/1

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Illinois to Toronto

Have a flexible travel schedule? Discover the best time to fly to Toronto from Illinois 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 Illinois to Toronto

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

Currently, March is the cheapest month in which you can book a flight from Illinois to Toronto (average of C$ 107). Flying from Illinois to Toronto in January is currently the most expensive (average of C$ 240). 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 IL to YTO?

Find hourly flight availability from Illinois 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 29 January 2026.

It’s optimal to fly from Illinois to Toronto in the evening. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Illinois to Toronto?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Toronto. Price data was last updated on 24 January 2026.

Travelers seeking maximum savings on their Illinois to Toronto flight should consider departing on Thursday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Illinois to Toronto

Explore weekly flight availability from Illinois 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 29 January 2026.

The most flights from USIL to YTO are scheduled on a Monday (66 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (41 on average).

Related info for your journey

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

    For as low as C$ 266, Porter Airlines can have you in Toronto from Illinois in 1h 40m. Illinois and Toronto are separated by a distance of 711 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Illinois to Toronto one-way?

    The cheapest airlines for a one-way flight from Illinois to Toronto are Porter Airlines (C$ 86), United Airlines (C$ 94), and American Airlines (C$ 110).

  • What are the most popular routes from Illinois to Toronto?

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

    Before booking your flight to Toronto from Illinois, check out the most reliable airlines to get you to your destination on time: Korean Air (88%), Alaska Airlines (73%), Japan Airlines( 72%).

  • What are the cheapest flights from Illinois to Toronto?

    While on average a flight from Illinois to Toronto is generally C$ 438, our data shows the cheapest flight currently is C$ 129. When looking at the most popular route, (Chicago O'Hare Intl - Toronto Pearson Intl), you can expect to pay C$ 278 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois 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 Illinois to Toronto?

    Currently, March is the cheapest month in which you can book a flight from Illinois to Toronto (average of C$ 107). Flying from Illinois to Toronto in January is currently the most expensive (average of C$ 240). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Toronto

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Illinois to Toronto

Discover the top 2 airlines that operate flights from Illinois 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 29 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 165AverageC$ 349FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 206AverageC$ 335FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Toronto from Illinois today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Illinois to Toronto?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Illinois to Toronto.

Can Cheapflights find flights from Illinois to Toronto with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Illinois to Toronto, users can toggle the no change fees filter when performing a flight search.

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

Not ready to book yet? You can track prices for flights from Illinois to Toronto on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.