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Cheap flights from Toronto Pearson Intl Airport to Illinois from C$ 171

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 30/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ORD
20 Apr — 27 Apr1
1 adult

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 15 April 2025.

Round-trip from

C$ 274

One-way from

C$ 171

Popular in

December

Cheapest in

April

Average price

C$ 346

Good round-trip deal

C$ 412 or less

Good one-way deal

C$ 269 or less
Air Canada
  • Air Canada
  • 6/5-14/5
  • 2 total stops
  • 12h 52m total
  • Toronto to Illinois
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Air Canada
  • Air Canada
  • 30/5
  • Nonstop
  • 1h 55m total
  • Toronto to Illinois
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (C$ 6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 15 April 2025.

Tue 6/510:00 a.m.YYZ - ORD
2 stops11h 12mAir Canada
Wed 14/59:35 a.m.ORD - YYZ
Nonstop1h 40mAir Canada
Deal found 14/4C$ 274
Wed 30/41:00 p.m.YYZ - ORD
Nonstop2h 07mUnited Airlines
Fri 9/59:02 a.m.ORD - YYZ
Nonstop1h 47mUnited Airlines
Deal found 15/4C$ 299
Thu 1/52:10 p.m.YYZ - ORD
Nonstop1h 55mMultiple Airlines
Sat 10/51:55 p.m.ORD - YYZ
1 stop6h 44mMultiple Airlines
Deal found 14/4C$ 305
Thu 8/56:30 a.m.YYZ - MDW
1 stop6h 58mDelta
Sun 11/56:25 p.m.MDW - YYZ
1 stop3h 33mDelta
Deal found 14/4C$ 316
Thu 8/56:30 a.m.YYZ - ORD
1 stop4h 21mDelta
Sun 11/56:24 a.m.ORD - YYZ
1 stop4h 16mDelta
Deal found 15/4C$ 330
Thu 8/59:00 p.m.YYZ - ORD
Nonstop2h 06mBrussels Airlines
Sun 11/59:35 a.m.ORD - YYZ
Nonstop1h 40mBrussels Airlines
Deal found 14/4C$ 335
Mon 12/512:30 p.m.YYZ - MDW
1 stop25h 45mWestJet
Sat 17/51:55 p.m.MDW - YYZ
1 stop20h 45mWestJet
Deal found 14/4C$ 374
Thu 8/56:30 a.m.YYZ - ORD
1 stop6h 17mWestJet
Sun 11/57:10 a.m.ORD - YYZ
1 stop6h 50mWestJet
Deal found 14/4C$ 389
Thu 8/56:30 a.m.YYZ - ORD
Nonstop1h 55mAmerican Airlines
Sun 11/56:00 a.m.ORD - YYZ
1 stop4h 55mAmerican Airlines
Deal found 15/4C$ 409
Wed 21/53:00 p.m.YYZ - STL
1 stop5h 58mAir Canada
Tue 27/57:30 a.m.STL - YYZ
Nonstop1h 55mAir Canada
Deal found 15/4C$ 523
Sat 10/57:30 a.m.YYZ - STL
2 stops9h 17mUnited Airlines
Sun 25/58:10 a.m.STL - YYZ
1 stop6h 36mUnited Airlines
Deal found 15/4C$ 530
Thu 15/56:30 a.m.YYZ - STL
1 stop4h 19mAmerican Airlines
Sun 25/56:00 a.m.STL - YYZ
1 stop10h 20mAmerican Airlines
Deal found 15/4C$ 531

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 15 April 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 6/5

10:00 a.m.-8:12 p.m.

2 stops11h 12m

Chicago O'Hare Intl

Wed 14/5

9:35 a.m.-12:15 p.m.

Nonstop1h 40m

C$ 274

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Wed 30/4

1:00 p.m.-2:07 p.m.

Nonstop2h 07m

Chicago O'Hare Intl

Fri 9/5

9:02 a.m.-11:49 a.m.

Nonstop1h 47m

C$ 299

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 1/5

2:10 p.m.-3:05 p.m.

Nonstop1h 55m

Chicago O'Hare Intl

Sat 10/5

1:55 p.m.-9:39 p.m.

1 stop6h 44m

C$ 305

TorontoChicago

YYZ - MDW

YYZMDW

Toronto Pearson Intl

Thu 8/5

6:30 a.m.-12:28 p.m.

1 stop6h 58m

Chicago Midway

Sun 11/5

6:25 p.m.-10:58 p.m.

1 stop3h 33m

C$ 316

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 8/5

6:30 a.m.-9:51 a.m.

1 stop4h 21m

Chicago O'Hare Intl

Sun 11/5

6:24 a.m.-11:40 a.m.

1 stop4h 16m

C$ 330

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 8/5

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

Nonstop2h 06m

Chicago O'Hare Intl

Sun 11/5

9:35 a.m.-12:15 p.m.

Nonstop1h 40m

C$ 335

TorontoChicago

YYZ - MDW

YYZMDW

Toronto Pearson Intl

Mon 12/5

12:30 p.m.-1:15 p.m.

1 stop25h 45m

Chicago Midway

Sat 17/5

1:55 p.m.-11:40 a.m.

1 stop20h 45m

C$ 374

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 24/5

6:30 a.m.-7:25 a.m.

Nonstop1h 55m

Chicago O'Hare Intl

Mon 26/5

6:00 a.m.-11:55 a.m.

1 stop4h 55m

C$ 384

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 8/5

6:30 a.m.-11:47 a.m.

1 stop6h 17m

Chicago O'Hare Intl

Sun 11/5

7:10 a.m.-3:00 p.m.

1 stop6h 50m

C$ 389

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Wed 21/5

3:00 p.m.-7:58 p.m.

1 stop5h 58m

Lambert-St Louis

Tue 27/5

7:30 a.m.-10:25 a.m.

Nonstop1h 55m

C$ 523

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/4

Showing 1-10 of 40 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$ 355). 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 15 April 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 15 April 2025.

The most flights from YYZ to USIL are scheduled on a Tuesday (57 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (44 on average).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

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.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

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).

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 15 April 2025.
To help decide which airline to fly from Toronto to Illinois, see what other customers have to say about Alaska Airlines, Delta and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,871 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,871 reviews
Alaska Airlines
8.0
Very good
9,871 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,918 reviews
Alaska Airlines
8.0
Very good
9,871 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,658 reviews
Alaska Airlines
8.0
Very good
9,871 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Brussels Airlines
7.4
Good
345 reviews
Alaska Airlines
8.0
Very good
9,871 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,871 reviews
Check prices

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

  • 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$ 171), Delta (C$ 203), and American Airlines (C$ 229).

  • 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 Copa Airlines (88%), Egyptair (87%) or Emirates (85%) 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$ 1,472 for a flight from Toronto Pearson Intl Airport to Illinois. The cheapest flight overall is C$ 186 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$ 261). Flying from Toronto Pearson Intl Airport to Illinois in March is currently the most expensive (average of C$ 355). 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 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 261AverageC$ 365FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 303AverageC$ 405FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 320AverageC$ 524FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 332AverageC$ 733FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 431AverageC$ 634FlexibilityNo 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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