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Cheap flights from Toronto Pearson Intl Airport to Illinois from C$ 190

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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ORD
3 Sep — 10 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Pearson Intl to Illinois

Enter your travel dates to find the best prices.

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 4 August 2026.

Tue 8/92:00 p.m. -
Nonstop1h 55m
Tue 15/99:55 a.m. -
Nonstop1h 45m
Deal found 3/8C$ 282
Tue 15/99:00 p.m. -
Nonstop2h 05m
Fri 18/99:18 p.m. -
Nonstop1h 41m
Deal found 30/7C$ 286
Mon 14/96:50 p.m. -
Nonstop1h 58m
Mon 21/99:55 a.m. -
Nonstop1h 45m
Deal found 31/7C$ 288
Fri 4/92:00 p.m. -
Nonstop1h 55m
Tue 8/98:40 p.m. -
Nonstop1h 46m
Deal found 30/7C$ 291
Wed 16/98:05 a.m. -
Nonstop1h 55m
Wed 23/95:35 p.m. -
Nonstop1h 43m
Deal found 2/8C$ 292
Thu 27/88:00 a.m. -
Nonstop1h 55m
Sun 30/89:50 a.m. -
Nonstop1h 45m
Deal found 2/8C$ 295
Fri 2/109:00 p.m. -
Nonstop2h 06m
Mon 5/108:50 a.m. -
1 stop9h 12m
Deal found 3/8C$ 296
Sat 22/86:55 p.m. -
Nonstop1h 57m
Sun 23/89:50 a.m. -
Nonstop1h 45m
Deal found 1/8C$ 298
Fri 4/94:00 p.m. -
1 stop5h 05m
Sat 12/98:40 p.m. -
Nonstop1h 46m
Deal found 30/7C$ 303
Sat 5/94:00 p.m. -
1 stop5h 05m
Sun 13/95:35 p.m. -
Nonstop1h 43m
Deal found 31/7C$ 305
Thu 27/812:09 p.m. -
1 stop7h 24m
Sun 30/81:25 p.m. -
1 stop8h 38m
Deal found 3/8C$ 330
Thu 27/812:09 p.m. -
1 stop7h 24m
Sun 30/81:25 p.m. -
1 stop8h 38m
Deal found 3/8C$ 331

Find 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 4 August 2026.

Round-trip from

C$ 282

One-way from

C$ 190

Popular in

May

Cheapest in

September

Average price

C$ 387

Good round-trip deal

C$ 556 or less

Good one-way deal

C$ 340 or less
Air Canada
  • Air Canada
  • 5/9-13/9
  • Nonstop
  • 3h 43m total
  • Toronto to Illinois
Search Deals
Air Canada
  • Air Canada
  • 6/9
  • 1 total stop
  • 5h 04m total
  • Toronto to Illinois
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (C$ 4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
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.
Search Deals

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 4 August 2026.
Use the filters below to find and compare flights from Toronto Pearson Intl Airport to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 2/10

7:43 p.m.-11:32 p.m.

1 stop4h 49m

Chicago O'Hare Intl

Mon 5/10

8:50 a.m.-7:02 p.m.

1 stop9h 12m

C$ 317
Quickest round-trip

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Wed 2/9

9:00 p.m.-10:05 p.m.

Nonstop2h 05m

Chicago O'Hare Intl

Sat 12/9

5:35 p.m.-8:18 p.m.

Nonstop1h 43m

C$ 321

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 1/10

8:50 a.m.-9:48 a.m.

Nonstop1h 58m

Chicago O'Hare Intl

Sat 3/10

6:06 p.m.-11:54 p.m.

1 stop4h 48m

C$ 321

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 11/9

2:45 p.m.-3:51 p.m.

Nonstop2h 06m

Chicago O'Hare Intl

Mon 14/9

2:15 p.m.-5:01 p.m.

Nonstop1h 46m

C$ 321

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Wed 23/9

8:50 a.m.-9:53 a.m.

Nonstop2h 03m

Chicago O'Hare Intl

Fri 25/9

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

Nonstop1h 45m

C$ 321

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Mon 28/9

9:00 p.m.-10:06 p.m.

Nonstop2h 06m

Chicago O'Hare Intl

Tue 6/10

8:50 a.m.-2:19 p.m.

1 stop4h 29m

C$ 321

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 11/9

9:00 p.m.-10:05 p.m.

Nonstop2h 05m

Chicago O'Hare Intl

Mon 14/9

4:00 p.m.-11:54 p.m.

1 stop6h 54m

C$ 321

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Tue 15/9

9:00 p.m.-10:05 p.m.

Nonstop2h 05m

Chicago O'Hare Intl

Thu 17/9

11:05 a.m.-6:12 p.m.

1 stop6h 07m

C$ 327

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 21/8

2:24 p.m.-8:30 p.m.

1 stop7h 06m

Chicago O'Hare Intl

Sun 23/8

6:59 a.m.-3:20 p.m.

1 stop7h 21m

C$ 330

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 11/9

4:05 p.m.-8:30 p.m.

1 stop5h 25m

Chicago O'Hare Intl

Mon 14/9

5:10 p.m.-10:59 p.m.

1 stop4h 49m

C$ 330

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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$ 348). Flying from Toronto Pearson Intl Airport to Illinois in December is currently the most expensive (average of C$ 458). 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 4 August 2026.

It’s typically best to fly out from Toronto Pearson Intl Airport to Illinois in the evening. Doing so could potentially save you 32% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 4 August 2026.

The most flights from YYZ to USIL are scheduled on a Friday (71 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (37 on average).

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

Airfare is below average for this route at the moment.
Toronto Pearson Intl Airport to Illinois flights typically cost between C$ 357 and C$ 539 in September.
The cheapest round-trip price found within the last 5 days was C$ 282 on Multiple Airlines (5 Sep-13 Sep).

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

The price you pay for your flight from Toronto Pearson Intl Airport to Illinois may vary depending on when you book. For the best chance of a lower fare, look to book 83 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 Toronto Pearson Intl Airport to Illinois?

Use this chart to determine the cheapest time to fly round-trip from Pearson Intl to Illinois. Price data was last updated on 1 August 2026.

Travelers seeking maximum savings on their Toronto Pearson Intl Airport to Illinois flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 4 August 2026.
Get a feel of what it's like to fly with Porter Airlines,United Airlines, andWestJet 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
8.0
Very good
450 reviews
Check prices

Food

7.5

Crew

8.6

Comfort

8.0

Entertainment

6.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Porter Airlines
8.0
Very good
450 reviews
Porter Airlines
8.0
Very good
450 reviews
Check prices

Food

7.5

Crew

8.6

Comfort

8.0

Entertainment

6.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
United Airlines
7.4
Good
10,060 reviews
Porter Airlines
8.0
Very good
450 reviews
Check prices

Food

7.5

Crew

8.6

Comfort

8.0

Entertainment

6.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
WestJet
7.2
Good
3,426 reviews
Porter Airlines
8.0
Very good
450 reviews
Check prices

Food

7.5

Crew

8.6

Comfort

8.0

Entertainment

6.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
American Airlines
7.1
Good
11,845 reviews
Porter Airlines
8.0
Very good
450 reviews
Check prices

Food

7.5

Crew

8.6

Comfort

8.0

Entertainment

6.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Canada
7.1
Good
11,425 reviews
Porter Airlines
8.0
Very good
450 reviews
Check prices

Food

7.5

Crew

8.6

Comfort

8.0

Entertainment

6.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

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 4h 49m. Your travel time can differ by up to 5h 06m. 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$ 156), United Airlines (C$ 158), and Porter Airlines (C$ 159).

  • 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 Egyptair (95%), Envoy Air (89%) or Japan Airlines (84%) 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$ 2,055 for a flight from Toronto Pearson Intl Airport to Illinois. The cheapest flight overall is C$ 249 while the most popular route, (Toronto Pearson Intl - Chicago O'Hare Intl) is currently priced at C$ 282.

  • 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$ 348). Flying from Toronto Pearson Intl Airport to Illinois in December is currently the most expensive (average of C$ 458). 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 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 4 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 226AverageC$ 521FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
American AirlinesCheapestC$ 254AverageC$ 421FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 280AverageC$ 456FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 284AverageC$ 415FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 375AverageC$ 482FlexibilityNo cancel feeOn-time60%
Search WestJet 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 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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