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Cheap flights from Toronto Pearson Intl Airport to Illinois from C$ 157

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ORD
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Pearson Intl to Illinois

Keep the following information in mind while searching for Pearson Intl to Illinois flight deals. Data was last updated 11 September 2025.

Round-trip from

C$ 243

One-way from

C$ 157

Popular in

December

Cheapest in

July

Average price

C$ 346

Good round-trip deal

C$ 578 or less

Good one-way deal

C$ 493 or less
Air Canada
  • Air Canada
  • 2/10-6/10
  • Nonstop
  • 3h 37m total
  • Toronto to Illinois
Search Deals
Air Canada
  • Air Canada
  • 1/10
  • 1 total stop
  • 4h 55m total
  • Toronto to Illinois
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 36 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 September 2025
Search Deals
Price to beat on a round-trip flight from Toronto Pearson Intl to Illinois.
Search Deals
Price to beat on a one-way flight from Toronto Pearson Intl to Illinois.
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Find flight deals from Pearson Intl to Illinois

Cheapest flights from Pearson Intl to Illinois
Explore the most affordable flight options available from Pearson Intl to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Wed 22/104:40 p.m.YYZ - ORD
Nonstop1h 53mAir Canada
Sat 1/118:00 a.m.ORD - YYZ
Nonstop1h 40mAir Canada
Deal found 9/9C$ 256
Sun 23/116:50 a.m.YYZ - ORD
Nonstop2h 05mUnited Airlines
Sun 30/117:10 a.m.ORD - YYZ
Nonstop1h 48mUnited Airlines
Deal found 9/9C$ 258
Sun 23/116:20 a.m.YYZ - ORD
1 stop5h 58mAir Canada
Fri 28/113:55 p.m.ORD - YYZ
Nonstop1h 39mAir Canada
Deal found 9/9C$ 265
Sat 25/106:15 a.m.YYZ - ORD
1 stop4h 36mAir Canada
Sat 1/118:00 a.m.ORD - YYZ
Nonstop1h 40mAir Canada
Deal found 10/9C$ 266
Thu 23/106:15 a.m.YYZ - ORD
1 stop4h 36mAir Canada
Sat 25/103:35 p.m.ORD - YYZ
1 stop5h 04mAir Canada
Deal found 10/9C$ 270
Sun 23/112:15 p.m.YYZ - ORD
Nonstop1h 55mAir Canada
Sat 29/117:15 a.m.ORD - YYZ
2 stops7h 10mAir Canada
Deal found 9/9C$ 272
Thu 2/106:15 a.m.YYZ - ORD
1 stop4h 36mAir Canada
Mon 6/108:25 p.m.ORD - YYZ
Nonstop1h 43mAir Canada
Deal found 10/9C$ 288
Mon 20/104:00 p.m.YYZ - ORD
1 stop8h 44mMultiple Airlines
Fri 31/105:25 a.m.ORD - YYZ
1 stop13h 35mMultiple Airlines
Deal found 10/9C$ 290
Wed 22/107:29 a.m.YYZ - ORD
1 stop9h 29mAmerican Airlines
Fri 31/107:10 a.m.ORD - YYZ
1 stop6h 49mAmerican Airlines
Deal found 9/9C$ 292
Thu 2/101:00 p.m.YYZ - ORD
Nonstop2h 01mUnited Airlines
Wed 15/108:50 a.m.ORD - YYZ
1 stop7h 24mUnited Airlines
Deal found 9/9C$ 297
Wed 15/106:15 a.m.YYZ - MDW
1 stop3h 25mDelta
Sat 25/103:00 p.m.MDW - YYZ
1 stop7h 18mDelta
Deal found 9/9C$ 305
Mon 20/1012:15 p.m.YYZ - MDW
1 stop7h 10mDelta
Sat 25/103:00 p.m.MDW - YYZ
1 stop7h 18mDelta
Deal found 8/9C$ 337

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pearson Intl to Illinois 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 11 September 2025.
Use the filters below to find and compare flights from Toronto Pearson Intl Airport to Illinois that are best for you.

Fly from

Pearson Intl

Fly to

Illinois

Route

Depart

Return

Price

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Tue 25/11

11:00 a.m.-12:05 p.m.

Nonstop2h 05m

Chicago O'Hare Intl

Sun 30/11

7:10 a.m.-9:58 a.m.

Nonstop1h 48m

C$ 258

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Mon 24/11

6:50 a.m.-7:56 a.m.

Nonstop2h 06m

Chicago O'Hare Intl

Sun 30/11

7:10 a.m.-9:58 a.m.

Nonstop1h 48m

C$ 258

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sun 23/11

6:50 a.m.-7:55 a.m.

Nonstop2h 05m

Chicago O'Hare Intl

Sun 30/11

7:10 a.m.-9:58 a.m.

Nonstop1h 48m

C$ 258

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 25/10

7:00 a.m.-7:58 a.m.

Nonstop1h 58m

Chicago O'Hare Intl

Sun 2/11

7:10 a.m.-9:58 a.m.

Nonstop1h 48m

C$ 258

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 31/10

5:30 p.m.-6:39 p.m.

Nonstop2h 09m

Chicago O'Hare Intl

Mon 3/11

8:15 p.m.-10:54 p.m.

Nonstop1h 39m

C$ 297

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sun 12/10

9:00 a.m.-9:55 a.m.

Nonstop1h 55m

Chicago O'Hare Intl

Sun 12/10

4:42 p.m.-7:37 p.m.

Nonstop1h 55m

C$ 297

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 25/10

9:00 a.m.-9:55 a.m.

Nonstop1h 55m

Chicago O'Hare Intl

Mon 27/10

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

Nonstop1h 39m

C$ 297

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 11/10

2:45 p.m.-3:48 p.m.

Nonstop2h 03m

Chicago O'Hare Intl

Sun 12/10

8:55 a.m.-11:49 a.m.

Nonstop1h 54m

C$ 297

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 11/10

2:45 p.m.-3:48 p.m.

Nonstop2h 03m

Chicago O'Hare Intl

Wed 15/10

9:12 p.m.-11:58 p.m.

Nonstop1h 46m

C$ 297

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 31/10

5:30 p.m.-6:39 p.m.

Nonstop2h 09m

Chicago O'Hare Intl

Mon 3/11

12:45 p.m.-11:46 p.m.

1 stop10h 01m

C$ 297

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 60 results
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Best time to book a flight from Pearson Intl to Illinois

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

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

Currently, January is the cheapest month in which you can book a flight from Toronto Pearson Intl Airport to Illinois (average of C$ 261). Flying from Toronto Pearson Intl Airport to Illinois in March is currently the most expensive (average of C$ 349). 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 YYZ to IL?

Find hourly flight availability from Pearson Intl to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 September 2025.

When flying from Toronto Pearson Intl Airport to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Toronto Pearson Intl Airport to Illinois

Explore weekly flight availability from Pearson Intl to Illinois. 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 11 September 2025.

The most flights from YYZ to USIL are scheduled on a Friday (61 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (41 on average).

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

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated 11 September 2025.
Get a feel of what it's like to fly with Porter Airlines,United Airlines, andAmerican Airlines from Toronto Pearson Intl Airport to Illinois by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Crew

8.6

Entertainment

7.0

Overall

7.9

Comfort

7.9

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Crew

8.6

Entertainment

7.0

Overall

7.9

Comfort

7.9

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,937 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Crew

8.6

Entertainment

7.0

Overall

7.9

Comfort

7.9

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Crew

8.6

Entertainment

7.0

Overall

7.9

Comfort

7.9

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,091 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Crew

8.6

Entertainment

7.0

Overall

7.9

Comfort

7.9

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Crew

8.6

Entertainment

7.0

Overall

7.9

Comfort

7.9

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

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

    United Airlines, Delta, and American Airlines can get you from Toronto Pearson Intl Airport to Illinois in just under 2h 05m. Your travel time can differ by up to 9h 17m. Toronto Pearson Intl Airport and Illinois are separated by a distance of 702 km. This flight may include one or multiple stops.

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

    The cheapest airlines for a one-way flight from Toronto Pearson Intl Airport to Illinois are Air Canada (C$ 159), United Airlines (C$ 164), and Delta (C$ 191).

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

    Most travellers choose Toronto Pearson Intl - Chicago O'Hare Intl, Toronto Pearson Intl - Chicago Midway or Toronto Pearson Intl - Lambert-St Louis when deciding on the best route from Toronto Pearson Intl Airport to Illinois.

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

    Consider EVA Air (83%), SkyWest Airlines (83%) or ANA (83%) when booking your flight. These represent the most reliable airlines when flying from Toronto Pearson Intl Airport to Illinois.

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

    On average you can expect to pay C$ 1,653 for a flight from Toronto Pearson Intl Airport to Illinois. The cheapest flight overall is C$ 240 while the most popular route, (Toronto Pearson Intl - Chicago O'Hare Intl) is currently priced at C$ 258.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Toronto Pearson Intl Airport to Illinois (average of C$ 261). Flying from Toronto Pearson Intl Airport to Illinois in March is currently the most expensive (average of C$ 349). 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.

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Alternative routes for Pearson Intl to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Pearson Intl to Illinois

Discover the top 5 airlines that operate flights from Pearson Intl to Illinois. 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 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 196AverageC$ 313FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 265AverageC$ 396FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 268AverageC$ 490FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 278AverageC$ 418FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 383AverageC$ 633FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Pearson Intl to Illinois?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Pearson Intl to Illinois. 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 Pearson Intl to Illinois?

Cheapflights helps you find that perfect flight to Illinois from Pearson Intl 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 Pearson Intl to Illinois with no change fees?

Certainly. Search results for flights to Illinois from Pearson Intl 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 Pearson Intl to Illinois become cheaper?

Yes, Cheapflights offers price alerts on Pearson Intl to Illinois flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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