How long is the flight from Toronto Pearson Intl Airport to Illinois?

United Airlines and Delta can get you from Toronto Pearson Intl Airport to Illinois in just under 2h. Your travel time can differ by up to 2h 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 United Airlines (C$ 158), Porter Airlines (C$ 160), and Air Canada (C$ 165).

In terms of precipitation, rainfall in Illinois ranges from 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

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 cheapest flights from Toronto Pearson Intl Airport to Illinois?

On average you can expect to pay C$ 1,936 for a flight from Toronto Pearson Intl Airport to Illinois. The cheapest flight overall is C$ 241 while the most popular route, (Toronto Pearson Intl - Chicago O'Hare Intl) is currently priced at C$ 281.

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

Consider Sun Country Air (100%), Copa Airlines (84%) or Egyptair (81%) when booking your flight. These represent the most reliable airlines when flying from Toronto Pearson Intl Airport to Illinois.

What are the most popular airlines that fly from Toronto Pearson Intl Airport to Illinois?

When booking a flight from Toronto Pearson Intl Airport to Illinois, you may want to consider flying on Air Canada, United Airlines or American Airlines as they are the most popular for this route.

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.

C$ 182+ Cheap Flights from Toronto Pearson Intl Airport to Illinois

Cheap flight deals from Pearson Intl to Illinois

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 19 September 2026.

Fri 2/104:00 p.m. -

1 stop5h 12m

Sun 4/108:40 p.m. -

Nonstop1h 46m

Deal found 18/9C$ 291

Fri 23/104:00 p.m. -

1 stop5h 12m

Sun 25/1010:15 a.m. -

Nonstop1h 37m

Deal found 16/9C$ 296

Fri 30/106:45 a.m. -

Nonstop2h 09m

Tue 3/111:55 p.m. -

1 stop6h 40m

Deal found 15/9C$ 298

Thu 1/101:15 p.m. -

Nonstop2h 05m

Mon 5/104:45 p.m. -

1 stop4h 55m

Deal found 15/9C$ 299

Sat 10/107:00 p.m. -

1 stop5h 21m

Sat 17/108:40 p.m. -

Nonstop1h 46m

Deal found 19/9C$ 301

Wed 7/1012:25 p.m. -

Nonstop1h 58m

Wed 14/102:15 p.m. -

Nonstop1h 46m

Deal found 18/9C$ 302

Wed 7/102:00 p.m. -

Nonstop1h 55m

Tue 13/108:40 p.m. -

Nonstop1h 46m

Deal found 18/9C$ 303

Sat 17/107:00 p.m. -

1 stop5h 21m

Mon 19/102:15 p.m. -

Nonstop1h 46m

Deal found 19/9C$ 305

Thu 1/1010:15 a.m. -

Nonstop2h 06m

Sun 4/106:00 a.m. -

1 stop12h 00m

Deal found 17/9C$ 306

Tue 6/104:00 p.m. -

1 stop5h 12m

Sat 10/103:40 p.m. -

1 stop5h 13m

Deal found 17/9C$ 309

Mon 2/119:00 a.m. -

1 stop7h 00m

Mon 9/118:45 a.m. -

Nonstop1h 42m

Deal found 19/9C$ 310

Fri 2/1012:08 p.m. -

1 stop7h 25m

Sat 3/106:40 p.m. -

1 stop3h 19m

Deal found 18/9C$ 319

Best flights from Pearson Intl to Illinois
Discover carefully curated flight deals from Pearson Intl to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 19 September 2026.

Sat 3/107:00 a.m. -

Nonstop2h 00m

Tue 6/1012:59 p.m. -

Nonstop1h 47m

Deal found 19/9C$ 323

Sat 3/107:00 a.m. -

Nonstop2h 00m

Tue 6/108:40 p.m. -

Nonstop1h 46m

Deal found 14/9C$ 324

Wed 18/119:45 a.m. -

1 stop4h 06m

Thu 19/111:31 p.m. -

1 stop8h 26m

Deal found 18/9C$ 330

Sun 8/118:35 a.m. -

Nonstop2h 09m

Mon 9/119:21 p.m. -

Nonstop1h 38m

Deal found 18/9C$ 323

Sat 10/1012:10 p.m. -

1 stop6h 50m

Fri 16/106:44 p.m. -

1 stop3h 12m

Deal found 17/9C$ 330

Fri 20/117:43 a.m. -

1 stop7h 11m

Sun 22/114:30 p.m. -

Nonstop1h 40m

Deal found 17/9C$ 331

Fri 2/108:50 a.m. -

Nonstop1h 58m

Sun 4/109:20 p.m. -

Nonstop1h 39m

Deal found 18/9C$ 323

Sat 10/1012:10 p.m. -

1 stop6h 50m

Tue 20/109:29 a.m. -

1 stop6h 50m

Deal found 18/9C$ 330

Wed 7/107:00 p.m. -

1 stop5h 21m

Fri 9/108:40 p.m. -

Nonstop1h 46m

Deal found 16/9C$ 331

Wed 7/102:24 p.m. -

2 stops10h 47m

Sun 11/106:00 a.m. -

1 stop10h 44m

Deal found 17/9C$ 735

Sat 7/112:10 p.m. -

Nonstop2h 16m

Wed 11/114:05 p.m. -

Nonstop2h 00m

Deal found 14/9C$ 744

Sat 17/108:50 a.m. -

Nonstop1h 58m

Mon 19/109:20 p.m. -

Nonstop1h 39m

Deal found 19/9C$ 323

Tue 6/102:26 p.m. -

1 stop4h 34m

Sat 10/106:44 p.m. -

1 stop3h 12m

Deal found 17/9C$ 331

Wed 2/123:35 p.m. -

Nonstop2h 09m

Thu 10/121:57 p.m. -

Nonstop1h 50m

Deal found 19/9C$ 323

Thu 19/116:00 a.m. -

1 stop7h 51m

Sun 22/119:30 a.m. -

1 stop6h 50m

Deal found 17/9C$ 331

Sat 31/107:44 p.m. -

1 stop5h 17m

Tue 3/118:50 a.m. -

1 stop4h 35m

Deal found 17/9C$ 331

Sat 31/106:00 a.m. -

1 stop4h 32m

Sat 7/111:27 p.m. -

1 stop8h 29m

Deal found 19/9C$ 331

Thu 1/102:30 p.m. -

1 stop10h 02m

Sun 4/102:52 p.m. -

Nonstop2h 04m

Deal found 17/9C$ 331

Thu 22/106:00 a.m. -

1 stop4h 32m

Tue 27/109:29 a.m. -

1 stop3h 07m

Deal found 14/9C$ 333

Fri 20/119:44 a.m. -

1 stop6h 30m

Sun 22/117:03 a.m. -

Nonstop1h 44m

Deal found 15/9C$ 331

Sat 3/104:05 p.m. -

1 stop3h 17m

Tue 6/109:29 a.m. -

1 stop6h 50m

Deal found 14/9C$ 333

Thu 22/106:00 a.m. -

1 stop4h 32m

Sat 24/106:44 p.m. -

1 stop3h 12m

Deal found 15/9C$ 333

Fri 25/911:38 a.m. -

1 stop24h 40m

Sun 27/94:32 p.m. -

1 stop18h 47m

Deal found 15/9C$ 1,379

Tue 13/102:24 p.m. -

2 stops10h 46m

Tue 20/106:14 a.m. -

2 stops11h 16m

Deal found 15/9C$ 812

Thu 1/106:00 a.m. -

1 stop4h 07m

Sun 4/109:29 a.m. -

1 stop4h 46m

Deal found 14/9C$ 390

Sat 17/107:30 a.m. -

1 stop5h 03m

Sat 31/104:05 p.m. -

Nonstop1h 54m

Deal found 15/9C$ 763

Thu 15/1012:10 p.m. -

1 stop6h 50m

Fri 16/106:44 p.m. -

1 stop3h 12m

Deal found 18/9C$ 394

Sun 22/113:35 p.m. -

1 stop4h 48m

Thu 26/114:05 p.m. -

Nonstop2h 00m

Deal found 14/9C$ 765

Sun 1/116:00 a.m. -

1 stop7h 47m

Sun 8/119:29 a.m. -

1 stop6h 50m

Deal found 17/9C$ 396

Sun 18/1011:00 a.m. -

1 stop4h 17m

Sat 24/108:55 a.m. -

Nonstop1h 54m

Deal found 15/9C$ 810

Find flight deals from Pearson Intl to Illinois

Round-trip from	C$ 291
One-way from	C$ 182
Popular in	October
Cheapest in	February
Average price	C$ 391
Good round-trip deal	C$ 570 or less
Good one-way deal	C$ 348 or less

Air Canada
2/10-4/10
1 total stop
6h 58m total
Toronto to Illinois

Search Deals

United Airlines
29/9-31/12
Nonstop
2h 06m total
Toronto to Illinois

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (C$ 18 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 0% potential price decrease (C$ 5 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 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

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 Toronto Pearson Intl - ORD Chicago O'Hare Intl

YYZORD

Toronto Pearson Intl

Sat 14/11

6:45 a.m.-7:54 a.m.

Nonstop2h 09m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 182

TorontoChicago

YYZ Toronto Pearson Intl - ORD Chicago O'Hare Intl

YYZORD

Toronto Pearson Intl

Tue 17/11

10:53 a.m.-11:57 a.m.

Nonstop2h 04m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 182

Quickest round-trip

TorontoChicago

YYZ Toronto Pearson Intl - ORD Chicago O'Hare Intl

YYZORD

Toronto Pearson Intl

Fri 2/10

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

Nonstop2h 00m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 199

TorontoChicago

YYZ Toronto Pearson Intl - ORD Chicago O'Hare Intl

YYZORD

Toronto Pearson Intl

Wed 14/10

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

Nonstop2h 00m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 199

TorontoChicago

YYZ Toronto Pearson Intl - ORD Chicago O'Hare Intl

YYZORD

Toronto Pearson Intl

Sun 25/10

7:29 a.m.-8:39 a.m.

Nonstop2h 10m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 200

TorontoChicago

YYZ Toronto Pearson Intl - ORD Chicago O'Hare Intl

YYZORD

Toronto Pearson Intl

Mon 19/10

2:26 p.m.-8:30 p.m.

1 stop7h 04m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 201

TorontoChicago

YYZ Toronto Pearson Intl - ORD Chicago O'Hare Intl

YYZORD

Toronto Pearson Intl

Sat 28/11

12:15 p.m.-6:30 p.m.

1 stop7h 15m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 207

TorontoChicago

YYZ Toronto Pearson Intl - ORD Chicago O'Hare Intl

YYZORD

Toronto Pearson Intl

Thu 22/10

6:00 a.m.-10:29 a.m.

1 stop5h 29m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 207

TorontoChicago

YYZ Toronto Pearson Intl - ORD Chicago O'Hare Intl

YYZORD

Toronto Pearson Intl

Thu 8/10

6:00 a.m.-12:59 p.m.

1 stop7h 59m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 207

TorontoChicago

YYZ Toronto Pearson Intl - ORD Chicago O'Hare Intl

YYZORD

Toronto Pearson Intl

Sun 25/10

9:40 a.m.-4:32 p.m.

1 stop7h 52m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 207

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

YYZ-ORD

YYZ-MDW

YYZ-STL

YYZ-MLI

YYZ-BMI

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

YYZ-USIL

YYZ-ORD

YYZ-MDW

YYZ-STL

YYZ-MLI

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$ 351). Flying from Toronto Pearson Intl Airport to Illinois in December is currently the most expensive (average of C$ 474). 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?

It’s typically best to fly out from Toronto Pearson Intl Airport to Illinois in the evening. Doing so could potentially save you 33% 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

The most flights from YYZ to USIL are scheduled on a Friday (70 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (32 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$ 361 and C$ 599 in October.
The cheapest round-trip price found within the last 5 days was C$ 291 on Air Canada (2 Oct-4 Oct).

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?

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. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Illinois

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

462 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.

Porter Airlines

8.0

Very good

462 reviews

Porter Airlines

8.0

Very good

462 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

United Airlines

7.4

Good

10,232 reviews

Porter Airlines

8.0

Very good

462 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

WestJet

7.2

Good

3,446 reviews

Porter Airlines

8.0

Very good

462 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

Air Canada

7.1

Good

11,652 reviews

Porter Airlines

8.0

Very good

462 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

American Airlines

7.0

Good

12,087 reviews

Porter Airlines

8.0

Very good

462 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

Related info for your journey

How long is the flight from Toronto Pearson Intl Airport to Illinois?
United Airlines and Delta can get you from Toronto Pearson Intl Airport to Illinois in just under 2h. Your travel time can differ by up to 2h 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 United Airlines (C$ 158), Porter Airlines (C$ 160), and Air Canada (C$ 165).
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 Sun Country Air (100%), Copa Airlines (84%) or Egyptair (81%) 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$ 1,936 for a flight from Toronto Pearson Intl Airport to Illinois. The cheapest flight overall is C$ 241 while the most popular route, (Toronto Pearson Intl - Chicago O'Hare Intl) is currently priced at C$ 281.
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$ 351). Flying from Toronto Pearson Intl Airport to Illinois in December is currently the most expensive (average of C$ 474). 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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Top 5 airlines flying from Pearson Intl to Illinois

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	CheapestC$ 263	AverageC$ 437	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Porter Airlines	CheapestC$ 296	AverageC$ 519	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
United Airlines	CheapestC$ 298	AverageC$ 421	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Canada	CheapestC$ 305	AverageC$ 463	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
WestJet	CheapestC$ 355	AverageC$ 433	FlexibilityNo cancel fee	On-time60%	Search WestJet flights

Fly with Cheapflights

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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Cheap flights from Toronto Pearson Intl Airport to Illinois from C$ 182

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Pearson Intl to Illinois

Cheapest flights from Pearson Intl to IllinoisExplore 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 19 September 2026.

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 19 September 2026.

Best flights from Pearson Intl to IllinoisDiscover carefully curated flight deals from Pearson Intl to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 19 September 2026.

Discover carefully curated flight deals from Pearson Intl to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 19 September 2026.

Direct flights from Pearson Intl to IllinoisExplore direct flight options from Pearson Intl to Illinois based on user searches, and compare prices and availability for your desired travel dates. Data last updated 19 September 2026.

Explore direct flight options from Pearson Intl to Illinois based on user searches, and compare prices and availability for your desired travel dates. Data last updated 19 September 2026.

Last-minute flights from Pearson Intl to IllinoisDiscover last-minute flight deals from Pearson Intl to Illinois. Data last updated 19 September 2026 and is based on user searches.

Discover last-minute flight deals from Pearson Intl to Illinois. Data last updated 19 September 2026 and is based on user searches.

One-way flights from Pearson Intl to IllinoisSearch for one-way flight options from Pearson Intl to Illinois. Find affordable one-way fares based on user searches. Data last updated 19 September 2026.

Search for one-way flight options from Pearson Intl to Illinois. Find affordable one-way fares based on user searches. Data last updated 19 September 2026.

Find flight deals from Pearson Intl to Illinois

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One-way from

Popular in

Cheapest in

Average price

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

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.

Cheapflights Insights

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

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 19 September 2026.

It’s typically best to fly out from Toronto Pearson Intl Airport to Illinois in the evening. Doing so could potentially save you 33% 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

The most flights from YYZ to USIL are scheduled on a Friday (70 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (32 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$ 361 and C$ 599 in October.The cheapest round-trip price found within the last 5 days was C$ 291 on Air Canada (2 Oct-4 Oct).

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 12 September 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. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Illinois

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.

Related info for your journey

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

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Alternative routes for Pearson Intl to Illinois

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Pearson Intl and Illinois flights

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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 19 September 2026.

Best flights from Pearson Intl to Illinois
Discover carefully curated flight deals from Pearson Intl to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 19 September 2026.

Direct flights from Pearson Intl to Illinois
Explore direct flight options from Pearson Intl to Illinois based on user searches, and compare prices and availability for your desired travel dates. Data last updated 19 September 2026.

Last-minute flights from Pearson Intl to Illinois
Discover last-minute flight deals from Pearson Intl to Illinois. Data last updated 19 September 2026 and is based on user searches.

One-way flights from Pearson Intl to Illinois
Search for one-way flight options from Pearson Intl to Illinois. Find affordable one-way fares based on user searches. Data last updated 19 September 2026.

Toronto Pearson Intl Airport to Illinois flights typically cost between C$ 361 and C$ 599 in October.
The cheapest round-trip price found within the last 5 days was C$ 291 on Air Canada (2 Oct-4 Oct).