Cheap flights from Illinois to Toronto Pearson Intl Airport from C$ 129

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YYZ
18 Apr — 25 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Illinois to Pearson Intl

Enter your travel dates to find the best prices.

Cheapest flights from Illinois to Pearson Intl
Explore the most affordable flight options available from Illinois to Pearson Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 March 2026.

Fri 17/712:55 p.m.
ORD
-
YYZ
Nonstop1h 51m
United Airlines
Thu 23/78:50 a.m.
YYZ
-
ORD
Nonstop2h 00m
United Airlines
Deal found 18/3C$ 304
Sat 18/76:00 a.m.
ORD
-
YYZ
1 stop4h 43m
United Airlines
Fri 24/78:50 a.m.
YYZ
-
ORD
Nonstop2h 00m
United Airlines
Deal found 18/3C$ 318
Tue 23/610:43 a.m.
ORD
-
YYZ
Nonstop1h 59m
United Airlines
Tue 7/75:15 p.m.
YYZ
-
ORD
Nonstop2h 03m
United Airlines
Deal found 18/3C$ 319
Fri 17/79:15 p.m.
ORD
-
YYZ
Nonstop1h 44m
United Airlines
Sun 19/77:30 a.m.
YYZ
-
ORD
1 stop5h 36m
United Airlines
Deal found 18/3C$ 326
Thu 11/67:09 a.m.
ORD
-
YYZ
Nonstop1h 45m
United Airlines
Mon 15/68:50 a.m.
YYZ
-
ORD
Nonstop2h 00m
United Airlines
Deal found 18/3C$ 334
Thu 7/57:05 a.m.
ORD
-
YYZ
1 stop5h 35m
Delta
Tue 12/56:00 a.m.
YYZ
-
ORD
1 stop8h 14m
Delta
Deal found 18/3C$ 340
Thu 7/59:22 a.m.
MDW
-
YYZ
1 stop6h 59m
Delta
Mon 11/54:04 p.m.
YYZ
-
MDW
1 stop3h 29m
Delta
Deal found 19/3C$ 340
Tue 23/612:55 p.m.
ORD
-
YYZ
Nonstop1h 51m
United Airlines
Wed 1/77:30 a.m.
YYZ
-
ORD
1 stop5h 36m
United Airlines
Deal found 18/3C$ 341
Wed 3/66:30 a.m.
ORD
-
YYZ
1 stop6h 49m
United Airlines
Sun 7/62:45 p.m.
YYZ
-
ORD
Nonstop2h 05m
United Airlines
Deal found 18/3C$ 348
Sat 2/52:15 p.m.
ORD
-
YYZ
Nonstop1h 45m
Air Canada
Thu 7/512:25 p.m.
YYZ
-
ORD
Nonstop2h 00m
Air Canada
Deal found 15/3C$ 356
Fri 5/69:23 a.m.
MDW
-
YYZ
1 stop8h 08m
Delta
Wed 10/612:15 p.m.
YYZ
-
MDW
1 stop7h 16m
Delta
Deal found 18/3C$ 369
Wed 27/56:36 p.m.
MDW
-
YYZ
1 stop3h 23m
Delta
Mon 1/69:49 a.m.
YYZ
-
MDW
1 stop3h 53m
Delta
Deal found 18/3C$ 400

Find flight deals from Illinois to Pearson Intl

Keep the following information in mind while searching for Illinois to Pearson Intl flight deals. Data was last updated 19 March 2026.

Round-trip from

C$ 304

One-way from

C$ 129

Popular in

December

Cheapest in

September

Average price

C$ 358

Good round-trip deal

C$ 368 or less

Good one-way deal

C$ 148 or less
United Airlines
  • United Airlines
  • 17/7-24/7
  • Nonstop
  • 3h 48m total
  • Illinois to Toronto
Delta
  • Delta
  • 13/5
  • 1 total stop
  • 6h 56m total
  • Illinois to Toronto
Highest demand for flights based on searches. 6% potential increase in price (C$ 31 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 March 2026
Price to beat on a round-trip flight from Illinois to Toronto Pearson Intl.
Price to beat on a one-way flight from Illinois to Toronto Pearson Intl.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Pearson Intl 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 19 March 2026.
Use the filters below to find and compare flights from Illinois to Toronto Pearson Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 7/5

8:42 a.m.-6:31 p.m.

1 stop8h 49m

Toronto Pearson Intl

Sun 10/5

12:09 p.m.-6:05 p.m.

1 stop6h 56m

C$ 340

ChicagoToronto

MDW - YYZ

MDWYYZ

Chicago Midway

Fri 1/5

9:27 a.m.-5:21 p.m.

1 stop6h 54m

Toronto Pearson Intl

Mon 4/5

2:15 p.m.-5:58 p.m.

1 stop4h 43m

C$ 340

ChicagoToronto

MDW - YYZ

MDWYYZ

Chicago Midway

Sun 10/5

9:22 a.m.-1:30 p.m.

1 stop3h 08m

Toronto Pearson Intl

Mon 11/5

2:20 p.m.-6:33 p.m.

1 stop5h 13m

C$ 340

ChicagoToronto

MDW - YYZ

MDWYYZ

Chicago Midway

Mon 4/5

9:27 a.m.-5:21 p.m.

1 stop6h 54m

Toronto Pearson Intl

Wed 6/5

6:10 a.m.-8:47 a.m.

1 stop3h 37m

C$ 340

ChicagoToronto

MDW - YYZ

MDWYYZ

Chicago Midway

Thu 7/5

9:22 a.m.-1:30 p.m.

1 stop3h 08m

Toronto Pearson Intl

Tue 12/5

2:20 p.m.-6:33 p.m.

1 stop5h 13m

C$ 340

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 11/6

7:09 a.m.-9:54 a.m.

Nonstop1h 45m

Toronto Pearson Intl

Sat 13/6

7:30 a.m.-12:06 p.m.

1 stop5h 36m

C$ 355

ChicagoToronto

MDW - YYZ

MDWYYZ

Chicago Midway

Fri 26/6

9:30 a.m.-5:23 p.m.

1 stop6h 53m

Toronto Pearson Intl

Mon 29/6

12:15 p.m.-6:31 p.m.

1 stop7h 16m

C$ 369

ChicagoToronto

MDW - YYZ

MDWYYZ

Chicago Midway

Fri 5/6

9:23 a.m.-6:31 p.m.

1 stop8h 08m

Toronto Pearson Intl

Wed 10/6

12:15 p.m.-6:31 p.m.

1 stop7h 16m

C$ 369

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Mon 4/5

5:57 p.m.-8:44 p.m.

Nonstop1h 47m

Toronto Pearson Intl

Sat 9/5

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

Nonstop2h 00m

C$ 425

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sun 10/5

9:20 p.m.-11:59 p.m.

Nonstop1h 39m

Toronto Pearson Intl

Mon 11/5

9:00 p.m.-10:01 p.m.

Nonstop2h 01m

C$ 425

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/3

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Illinois to Pearson Intl

Have a flexible travel schedule? Discover the best time to fly to Pearson Intl 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 Pearson Intl Airport

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

Currently, October is the cheapest month in which you can book a flight from Illinois to Toronto Pearson Intl Airport (average of C$ 116). Flying from Illinois to Toronto Pearson Intl Airport in March is currently the most expensive (average of C$ 302). 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 YYZ?

Find hourly flight availability from Illinois to Pearson Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 March 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 41% on flights from Illinois to Toronto Pearson Intl Airport by exploring options for tickets in the evening.

What is the cheapest day to fly from Illinois to Toronto Pearson Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Pearson Intl. Price data was last updated on 14 March 2026.

Travelers seeking maximum savings on their Illinois to Toronto Pearson Intl Airport flight should consider departing on Thursday afternoons 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.

Weekly flight availability from Illinois to Toronto Pearson Intl Airport

Explore weekly flight availability from Illinois to Pearson Intl. 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 19 March 2026.

The most flights from USIL to YYZ are scheduled on a Wednesday (67 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (51 on average).

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

Related info for your journey

Find useful and relevant information for your journey from Illinois to Pearson Intl. 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 Pearson Intl Airport?

    There are many flights that can get you from Illinois to Toronto Pearson Intl Airport in 1h 45m. Fly via Delta, United Airlines, or WestJet to get the fastest option. Illinois and Toronto Pearson Intl Airport are separated by a distance of 702 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 Pearson Intl Airport one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as C$ 95. Users have also found prices from C$ 111 and C$ 113 on American Airlines and Air Canada, respectively.

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

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

    Consider Korean Air (88%), Republic Airways (72%) or Alaska Airlines (69%) when booking your flight. These represent the most reliable airlines when flying from Illinois to Toronto Pearson Intl Airport.

  • What are the cheapest flights from Illinois to Toronto Pearson Intl Airport?

    Looking at all options, your cheapest flight can be booked for C$ 124. While the most popular route (Chicago O'Hare Intl - Toronto Pearson Intl) can be booked for C$ 304 on average, our data indicates C$ 375 when flying from Illinois to Toronto Pearson Intl Airport.

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

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

  • How can I find direct flights from Illinois to Pearson Intl?

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

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

    Yes. Cheapflights offers flight deals from Illinois to Pearson Intl 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 Pearson Intl Airport?

    Currently, October is the cheapest month in which you can book a flight from Illinois to Toronto Pearson Intl Airport (average of C$ 116). Flying from Illinois to Toronto Pearson Intl Airport in March is currently the most expensive (average of C$ 302). 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

Travelling to a place near Toronto Pearson Intl Airport?

Book flights to Toronto Pearson Intl Airport if you plan to visit one of these locations
Brampton
Markham
Collingwood
Kitchener
Oakville
Vaughan
Barrie
Burlington
Richmond Hill
Cambridge
Muskoka
Waterloo
Oshawa
Guelph
Peterborough
Milton
St. Catharines
Brantford
Lindsay
Cobourg

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 Pearson Intl

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

Top 2 airlines flying from Illinois to Pearson Intl

Discover the top 2 airlines that operate flights from Illinois to Pearson Intl. 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 19 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 201AverageC$ 352FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 241AverageC$ 337FlexibilityNo 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 Pearson Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Illinois to Pearson Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights helps you find that perfect flight to Pearson Intl from Illinois by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to Pearson Intl from Illinois shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Not ready to book yet? You can track prices for flights from Illinois to Pearson Intl 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.