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Cheap flights from Illinois to Toronto from C$ 121

ORD — YTO
16 Oct — 23 Oct1
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

Thu 1/103:20 p.m. -
Nonstop1h 40m
Sun 4/1010:10 a.m. -
Nonstop1h 50m
Deal found 15/9C$ 296
Sat 3/1011:45 a.m. -
Nonstop1h 40m
Sun 4/1010:10 a.m. -
Nonstop1h 50m
Deal found 15/9C$ 298
Sun 6/126:20 p.m. -
Nonstop1h 46m
Wed 16/1210:35 a.m. -
Nonstop2h 05m
Deal found 13/9C$ 298
Sun 18/109:55 a.m. -
Nonstop1h 45m
Sun 25/108:20 a.m. -
Nonstop2h 03m
Deal found 15/9C$ 298
Mon 26/106:20 p.m. -
Nonstop1h 46m
Mon 2/1110:35 a.m. -
Nonstop2h 05m
Deal found 10/9C$ 299
Tue 13/103:20 p.m. -
Nonstop1h 40m
Tue 20/101:45 p.m. -
Nonstop1h 50m
Deal found 15/9C$ 301
Fri 20/1112:20 p.m. -
Nonstop1h 46m
Sat 28/114:35 p.m. -
Nonstop2h 05m
Deal found 14/9C$ 301
Thu 10/1212:20 p.m. -
Nonstop1h 46m
Sun 13/1210:35 a.m. -
Nonstop2h 05m
Deal found 13/9C$ 302
Thu 1/109:55 a.m. -
Nonstop1h 45m
Sun 4/108:05 a.m. -
Nonstop1h 55m
Deal found 12/9C$ 302
Fri 16/103:20 p.m. -
Nonstop1h 40m
Tue 20/1010:10 a.m. -
Nonstop1h 50m
Deal found 11/9C$ 303
Thu 22/102:00 p.m. -
Nonstop1h 48m
Sun 25/1010:35 a.m. -
Nonstop2h 05m
Deal found 11/9C$ 303
Thu 22/108:40 p.m. -
Nonstop1h 46m
Sun 25/108:20 a.m. -
Nonstop2h 03m
Deal found 13/9C$ 303

Find flight deals from Illinois to Toronto

Round-trip from

C$ 296

One-way from

C$ 121

Popular in

August

Cheapest in

March

Average price

C$ 415

Good round-trip deal

C$ 277 or less

Good one-way deal

C$ 140 or less
Porter Airlines
  • Porter Airlines
  • 12/11-15/11
  • Nonstop
  • 3h 51m total
  • Illinois to Toronto
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Porter Airlines
  • Porter Airlines
  • 1/11-31/12
  • Nonstop
  • 1h 46m total
  • Illinois to Toronto
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 30 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease (C$ 5 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from Illinois to Toronto (YTO).
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Price to beat on a one-way flight from Illinois to Toronto (YTO).
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Cheapflights Fare Finder

 
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 Chicago Midway - YTZ Toronto Island

MDWYTZ

Chicago Midway

Fri 23/10

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

Nonstop1h 40m

Toronto Island

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 141

ChicagoToronto

MDW Chicago Midway - YTZ Toronto Island

MDWYTZ

Chicago Midway

Thu 22/10

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

Nonstop1h 40m

Toronto Island

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 141

ChicagoToronto

ORD Chicago O'Hare Intl - YYZ Toronto Pearson Intl

ORDYYZ

Chicago O'Hare Intl

Mon 28/9

3:00 p.m.-10:23 p.m.

1 stop6h 23m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 146

ChicagoToronto

ORD Chicago O'Hare Intl - YYZ Toronto Pearson Intl

ORDYYZ

Chicago O'Hare Intl

Thu 10/12

8:39 a.m.-5:20 p.m.

1 stop7h 41m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 146

ChicagoToronto

ORD Chicago O'Hare Intl - YYZ Toronto Pearson Intl

ORDYYZ

Chicago O'Hare Intl

Sun 13/12

8:39 a.m.-1:35 p.m.

1 stop3h 56m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 146

ChicagoToronto

ORD Chicago O'Hare Intl - YYZ Toronto Pearson Intl

ORDYYZ

Chicago O'Hare Intl

Mon 26/10

4:40 p.m.-11:26 p.m.

1 stop5h 46m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 146

ChicagoToronto

ORD Chicago O'Hare Intl - YYZ Toronto Pearson Intl

ORDYYZ

Chicago O'Hare Intl

Fri 9/10

1:26 p.m.-10:56 p.m.

1 stop8h 30m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 146

ChicagoToronto

ORD Chicago O'Hare Intl - YYZ Toronto Pearson Intl

ORDYYZ

Chicago O'Hare Intl

Thu 15/10

1:55 p.m.-10:56 p.m.

1 stop8h 01m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 146

ChicagoToronto

ORD Chicago O'Hare Intl - YYZ Toronto Pearson Intl

ORDYYZ

Chicago O'Hare Intl

Sun 11/10

7:00 a.m.-1:36 p.m.

1 stop5h 36m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 146

ChicagoToronto

MDW Chicago Midway - YYZ Toronto Pearson Intl

MDWYYZ

Chicago Midway

Thu 15/10

9:29 a.m.-1:36 p.m.

1 stop3h 07m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 146

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

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

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$ 392). Flying from Illinois to Toronto in August is currently the most expensive (average of C$ 498). 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?

It’s optimal to fly from Illinois to Toronto in the evening. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight at noon.

Weekly flight availability from Illinois to Toronto

The most flights from USIL to YTO are scheduled on a Monday (73 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (39 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$ 352 and C$ 550 in November.
The cheapest round-trip price found within the last 5 days was C$ 296 on Porter Airlines (12 Nov-15 Nov).

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 71 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?

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

  • How long is the flight from Illinois to Toronto?

    For as low as C$ 298, 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 United Airlines (C$ 89), American Airlines (C$ 112), and Air Canada (C$ 135).

  • 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 Pearson Intl 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 (86%), Royal Jordanian (82%), Republic Airways( 75%).

  • What are the cheapest flights from Illinois to Toronto?

    While on average a flight from Illinois to Toronto is generally C$ 410, our data shows the cheapest flight currently is C$ 135. When looking at the most popular route, (Chicago O'Hare Intl - Toronto Pearson Intl), you can expect to pay C$ 305 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$ 392). Flying from Illinois to Toronto in August is currently the most expensive (average of C$ 498). 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

Newark to Toronto Island flights
Newark to Pearson Intl flights
LaGuardia to Pierre Elliott Trudeau Intl flights
John F Kennedy Intl to Pearson Intl flights
LaGuardia to Pearson Intl flights
Newark to Pierre Elliott Trudeau Intl flights
LaGuardia to Toronto Island flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Reagan-National to Pearson Intl flights
Boston to Toronto Island flights
San Francisco to Pearson Intl flights
Los Angeles to Pearson Intl flights
Dulles Intl to Pearson Intl flights
O'Hare Intl to Pearson Intl flights
John F Kennedy Intl to Toronto Island flights
Boston to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Pearson Intl flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Newark to Hamilton flights
Boston to Pearson Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
Seattle to Pearson Intl flights
Fort Lauderdale to Pierre Elliott Trudeau Intl flights
Dulles Intl to Toronto Island flights
O'Hare Intl to Toronto Island flights
Baltimore to Pierre Elliott Trudeau Intl flights
Atlanta to Pearson Intl flights
Hobby to Pearson Intl flights
Fort Lauderdale to Pearson Intl flights
San Francisco to Pierre Elliott Trudeau Intl flights
Baltimore to Pearson Intl flights
Philadelphia to Pierre Elliott Trudeau Intl flights
Denver to Pearson Intl flights
Orlando to Pearson Intl flights
Midway to Pearson Intl flights
George Bush Intcntl to Pearson Intl flights
Boston to Hamilton flights
Minneapolis to Pearson Intl flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
Midway to Toronto Island flights
Philadelphia to Pearson Intl flights
Midway to Pierre Elliott Trudeau Intl flights
Reagan-National to Toronto Island flights
Charlotte to Pearson Intl flights
Atlanta to Pierre Elliott Trudeau Intl flights
Minneapolis to Pierre Elliott Trudeau Intl flights
Denver to Pierre Elliott Trudeau Intl flights

Top 3 airlines flying from Illinois to Toronto

AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 135AverageC$ 661FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 287AverageC$ 470FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 348AverageC$ 455FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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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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