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Cheap flights from Illinois to Toronto from C$ 149

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YTO
29 Aug — 5 Sep1
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 30 July 2026.

Wed 2/911:45 a.m.
MDW
-
YTZ
Nonstop1h 40m
Porter Airlines
Sat 5/91:45 p.m.
YTZ
-
MDW
Nonstop1h 50m
Porter Airlines
Deal found 28/7C$ 332
Wed 9/97:25 a.m.
ORD
-
YTZ
Nonstop1h 42m
Air Canada
Wed 16/99:30 a.m.
YTZ
-
ORD
1 stop6h 22m
Air Canada
Deal found 27/7C$ 332
Wed 9/911:45 a.m.
MDW
-
YTZ
Nonstop1h 40m
Porter Airlines
Wed 16/910:10 a.m.
YTZ
-
MDW
Nonstop1h 50m
Porter Airlines
Deal found 28/7C$ 334
Thu 10/98:40 p.m.
ORD
-
YYZ
Nonstop1h 46m
Air Canada
Sun 13/97:00 a.m.
YYZ
-
ORD
Nonstop2h 00m
Air Canada
Deal found 26/7C$ 334
Thu 3/93:20 p.m.
MDW
-
YTZ
Nonstop1h 40m
Porter Airlines
Tue 8/91:45 p.m.
YTZ
-
MDW
Nonstop1h 50m
Porter Airlines
Deal found 28/7C$ 335
Thu 10/98:45 a.m.
ORD
-
YTZ
1 stop6h 05m
Air Canada
Sun 13/97:35 p.m.
YTZ
-
ORD
Nonstop2h 06m
Air Canada
Deal found 26/7C$ 335
Sat 29/810:20 a.m.
MDW
-
YTZ
Nonstop1h 40m
Porter Airlines
Sat 5/91:45 p.m.
YTZ
-
MDW
Nonstop1h 50m
Porter Airlines
Deal found 25/7C$ 337
Fri 11/911:05 a.m.
ORD
-
YYZ
1 stop6h 07m
Air Canada
Fri 18/97:10 a.m.
YYZ
-
ORD
2 stops8h 42m
Air Canada
Deal found 28/7C$ 337
Wed 2/911:45 a.m.
MDW
-
YTZ
Nonstop1h 40m
Porter Airlines
Mon 7/910:10 a.m.
YTZ
-
MDW
Nonstop1h 50m
Porter Airlines
Deal found 28/7C$ 339
Thu 10/92:00 p.m.
ORD
-
YTZ
Nonstop1h 42m
Air Canada
Thu 17/97:35 p.m.
YTZ
-
ORD
Nonstop2h 06m
Air Canada
Deal found 29/7C$ 339
Fri 21/810:25 a.m.
MDW
-
YTZ
Nonstop1h 40m
Porter Airlines
Wed 2/91:45 p.m.
YTZ
-
MDW
Nonstop1h 50m
Porter Airlines
Deal found 26/7C$ 341
Wed 9/98:40 p.m.
ORD
-
YYZ
Nonstop1h 46m
Air Canada
Wed 16/92:00 p.m.
YYZ
-
ORD
Nonstop1h 55m
Air Canada
Deal found 26/7C$ 341

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 30 July 2026.

Round-trip from

C$ 332

One-way from

C$ 149

Popular in

August

Cheapest in

March

Average price

C$ 427

Good round-trip deal

C$ 157 or less

Good one-way deal

C$ 238 or less
Porter Airlines
  • Porter Airlines
  • 2/9-5/9
  • Nonstop
  • 3h 30m total
  • Illinois to Toronto
Search Deals
Air Canada
  • Air Canada
  • 2/9
  • Nonstop
  • 1h 42m total
  • Illinois to Toronto
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Toronto (YTO).
Search Deals
Price to beat on a one-way flight from Illinois to Toronto (YTO).
Search Deals

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 30 July 2026.
Use the filters below to find and compare flights from Illinois to Toronto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ChicagoToronto

MDW - YTZ

MDWYTZ

Chicago Midway

Thu 3/9

3:20 p.m.-6:00 p.m.

Nonstop1h 40m

Toronto Island

Sun 6/9

1:45 p.m.-2:35 p.m.

Nonstop1h 50m

C$ 337

ChicagoToronto

MDW - YTZ

MDWYTZ

Chicago Midway

Sat 12/9

11:45 a.m.-2:25 p.m.

Nonstop1h 40m

Toronto Island

Tue 15/9

1:45 p.m.-2:35 p.m.

Nonstop1h 50m

C$ 345

ChicagoToronto

MDW - YTZ

MDWYTZ

Chicago Midway

Wed 9/9

11:45 a.m.-2:25 p.m.

Nonstop1h 40m

Toronto Island

Wed 16/9

10:10 a.m.-11:00 a.m.

Nonstop1h 50m

C$ 345

ChicagoToronto

MDW - YTZ

MDWYTZ

Chicago Midway

Sat 12/9

11:45 a.m.-2:25 p.m.

Nonstop1h 40m

Toronto Island

Sat 19/9

10:10 a.m.-11:00 a.m.

Nonstop1h 50m

C$ 345

ChicagoToronto

MDW - YTZ

MDWYTZ

Chicago Midway

Wed 9/9

3:20 p.m.-6:00 p.m.

Nonstop1h 40m

Toronto Island

Sun 13/9

10:10 a.m.-11:00 a.m.

Nonstop1h 50m

C$ 345

ChicagoToronto

MDW - YTZ

MDWYTZ

Chicago Midway

Sat 22/8

10:20 a.m.-1:00 p.m.

Nonstop1h 40m

Toronto Island

Sat 29/8

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

Nonstop1h 50m

C$ 346

ChicagoToronto

MDW - YTZ

MDWYTZ

Chicago Midway

Sat 29/8

10:20 a.m.-1:00 p.m.

Nonstop1h 40m

Toronto Island

Mon 31/8

1:45 p.m.-2:35 p.m.

Nonstop1h 50m

C$ 348

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Tue 22/9

5:53 p.m.-8:44 p.m.

Nonstop1h 51m

Toronto Pearson Intl

Sat 26/9

7:00 a.m.-8:00 a.m.

Nonstop2h 00m

C$ 356

ChicagoToronto

MDW - YTZ

MDWYTZ

Chicago Midway

Mon 24/8

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

Nonstop1h 40m

Toronto Island

Mon 31/8

1:45 p.m.-2:35 p.m.

Nonstop1h 50m

C$ 359

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 10/9

12:59 p.m.-3:46 p.m.

Nonstop1h 47m

Toronto Pearson Intl

Tue 15/9

9:00 a.m.-2:52 p.m.

1 stop6h 52m

C$ 369

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/7

Showing 1-10 of 60 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from Illinois to Toronto (average of C$ 393). Flying from Illinois to Toronto in August is currently the most expensive (average of C$ 487). 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 30 July 2026.

It’s optimal to fly from Illinois to Toronto in the evening. By choosing this option you can save up to 47% on the cost of your flight, compared to a flight at noon.

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 30 July 2026.

The most flights from USIL to YTO are scheduled on a Wednesday (74 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (44 on average).

How much does it cost to fly round-trip from Illinois to Toronto?

Airfare is below average for this route at the moment.
Illinois to Toronto flights typically cost between C$ 418 and C$ 728 in September.
The cheapest round-trip price found within the last 5 days was C$ 332 on Air Canada (9 Sep-16 Sep).

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

The price you pay for your flight from Illinois 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.

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 25 July 2026.

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

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$ 337, 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$ 92), American Airlines (C$ 114), and United Airlines (C$ 125).

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

    When deciding which route to take from Illinois to Toronto consider Chicago O'Hare Intl - Toronto Pearson Intl, Chicago O'Hare Intl - Toronto Island or Chicago Midway - Toronto Island as they are the most popular.

  • 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 (91%), Royal Jordanian (91%), Republic Airways( 83%).

  • What are the cheapest flights from Illinois to Toronto?

    While on average a flight from Illinois to Toronto is generally C$ 362, our data shows the cheapest flight currently is C$ 163. When looking at the most popular route, (Chicago O'Hare Intl - Toronto Pearson Intl), you can expect to pay C$ 322 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, February is the cheapest month in which you can book a flight from Illinois to Toronto (average of C$ 393). Flying from Illinois to Toronto in August is currently the most expensive (average of C$ 487). 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

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Alternative routes for Illinois to Toronto

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Pearson Intl flights
Newark to Toronto Island flights
LaGuardia to Pearson Intl flights
John F Kennedy Intl to Pearson Intl flights
Newark to Pierre Elliott Trudeau Intl flights
Los Angeles to Pearson Intl flights
John F Kennedy Intl to Toronto Island flights
Reagan-National to Pearson Intl flights
LaGuardia to Pierre Elliott Trudeau Intl flights
Dulles Intl to Pearson Intl flights
San Francisco to Pearson Intl flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Pearson Intl flights
O'Hare Intl to Pearson Intl flights
Newark to Hamilton flights
Boston to Pearson Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
LaGuardia to Toronto Island flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Boston to Toronto Island flights
Dulles Intl to Toronto Island flights
Hobby to Pearson Intl flights
Fort Lauderdale to Pearson Intl flights
Atlanta to Pearson Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
San Francisco to Pierre Elliott Trudeau Intl flights
Baltimore to Pearson Intl flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
Seattle to Pearson Intl flights
George Bush Intcntl to Pearson Intl flights
Boston to Pierre Elliott Trudeau Intl flights
Philadelphia to Pearson Intl flights
Ontario to Pearson Intl flights
Orlando to Pearson Intl flights
Minneapolis to Pearson Intl flights
Baltimore to Pierre Elliott Trudeau Intl flights
San Diego to Pearson Intl flights
Austin to Pearson Intl flights
Reagan-National to Toronto Island flights
O'Hare Intl to Toronto Island flights
Fort Lauderdale to Pierre Elliott Trudeau Intl flights
Los Angeles to Toronto Island flights
Philadelphia to Pierre Elliott Trudeau Intl flights
Midway to Toronto Island flights
Miami to Pearson Intl flights
Charlotte to Pearson Intl flights
Denver to Pearson Intl flights
Detroit to Pierre Elliott Trudeau Intl flights
Midway to Pearson Intl flights

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 30 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 290AverageC$ 448FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 311AverageC$ 448FlexibilityNo 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.

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