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$118+ Cheap flights from Pearson Intl (YYZ) to Illinois

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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ORD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:00 amYYZ - ORD
Nonstop2h 05mUnited Airlines
Thu 1/18:51 amORD - YYZ
1 stop13h 55mUnited Airlines
Deal found 12/10$231
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:40 pmYYZ - ORD
1 stop13h 07mUnited Airlines
Thu 1/18:51 amORD - YYZ
1 stop13h 55mUnited Airlines
Deal found 12/10$236
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:50 amYYZ - ORD
Nonstop2h 13mUnited Airlines
Wed 12/316:21 pmORD - YYZ
1 stop4h 25mUnited Airlines
Deal found 12/10$273
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:40 pmYYZ - ORD
1 stop5h 04mUnited Airlines
Tue 1/61:00 pmORD - YYZ
1 stop6h 42mUnited Airlines
Deal found 12/10$290
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/279:00 amYYZ - ORD
Nonstop2h 05mUnited Airlines
Wed 12/319:20 pmORD - YYZ
Nonstop1h 39mUnited Airlines
Deal found 12/11$300
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2711:00 amYYZ - ORD
Nonstop2h 05mUnited Airlines
Tue 1/66:28 pmORD - YYZ
Nonstop1h 53mUnited Airlines
Deal found 12/10$301
This Air Canada deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:00 amYYZ - ORD
1 stop6h 55mAir Canada
Sun 1/188:00 amORD - YYZ
Nonstop1h 40mAir Canada
Deal found 12/9$308
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/279:00 amYYZ - ORD
Nonstop2h 05mUnited Airlines
Tue 12/301:24 pmORD - YYZ
1 stop9h 22mUnited Airlines
Deal found 12/11$310
This Kiwi.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:40 amYYZ - STL
1 stop28h 16mMultiple Airlines
Wed 1/75:11 pmSTL - YYZ
2 stops26h 00mMultiple Airlines
Deal found 12/11$345
This American Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:56 amYYZ - STL
1 stop11h 49mAmerican Airlines
Fri 1/25:30 amSTL - YYZ
1 stop10h 59mAmerican Airlines
Deal found 12/10$399
This Kiwi.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:15 amYYZ - MDW
1 stop15h 43mMultiple Airlines
Sun 1/47:44 amMDW - YYZ
2 stops31h 41mMultiple Airlines
Deal found 12/10$423
This Kiwi.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:20 pmYYZ - MDW
2 stops26h 52mMultiple Airlines
Sun 1/46:08 pmMDW - YYZ
1 stop13h 56mMultiple Airlines
Deal found 12/10$440

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$179
(Mytrip)

One-way from

$118
(Air Canada)

Popular in

December

Cheapest in

July

Average price

$320

Good round-trip deal

$324 or less

Good one-way deal

$262 or less
Provider with most accurate pricing for Toronto (YTO)-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Toronto (YTO)-Chicago (CHI) flights.
Search Deals
From Toronto Pearson Intl to Illinois
Search Deals
One-way flight from Toronto Pearson Intl to Illinois
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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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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 2,558,603 searches. Data last updated December 12, 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

Sat 1/10

5:30 pm-6:50 pm

Nonstop2h 20m

Chicago O'Hare Intl

Sun 1/11

11:15 am-2:01 pm

Nonstop1h 46m

$203

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 2/13

9:00 pm-10:04 pm

Nonstop2h 04m

Chicago O'Hare Intl

Sun 2/15

10:55 am-5:49 pm

1 stop5h 54m

$208

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sun 2/15

5:15 pm-8:44 pm

1 stop4h 29m

Chicago O'Hare Intl

Thu 2/19

6:30 am-11:18 am

1 stop3h 48m

$212

TorontoChicago

YYZ - MDW

YYZMDW

Toronto Pearson Intl

Thu 2/5

7:45 am-12:46 pm

1 stop6h 01m

Chicago Midway

Sun 2/8

1:26 pm-7:08 pm

1 stop4h 42m

$212

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 1/16

3:30 pm-4:40 pm

Nonstop2h 10m

Chicago O'Hare Intl

Mon 1/19

6:05 am-11:48 am

1 stop4h 43m

$213

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 2/5

6:06 am-10:55 am

1 stop5h 49m

Chicago O'Hare Intl

Sun 2/8

6:50 am-4:12 pm

1 stop8h 22m

$213

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Mon 1/19

9:00 pm-10:05 pm

Nonstop2h 05m

Chicago O'Hare Intl

Wed 1/21

1:00 pm-6:57 pm

1 stop4h 57m

$213

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 1/29

6:00 am-9:41 am

1 stop4h 41m

Chicago O'Hare Intl

Sun 2/1

10:35 am-4:12 pm

1 stop4h 37m

$224

TorontoChicago

YYZ - MDW

YYZMDW

Toronto Pearson Intl

Thu 1/29

12:12 pm-5:55 pm

1 stop6h 43m

Chicago Midway

Sun 2/1

9:53 am-3:59 pm

1 stop5h 06m

$224

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Mon 1/12

9:00 pm-10:05 pm

Nonstop2h 05m

Chicago O'Hare Intl

Wed 1/14

9:15 pm-11:59 pm

Nonstop1h 44m

$231

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 58 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, August is the cheapest month in which you can book a flight from Toronto Pearson Intl Airport to Illinois (average of $129). Flying from Toronto Pearson Intl Airport to Illinois in April is currently the most expensive (average of $212). 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 December 12, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 32% on flights from Toronto Pearson Intl Airport to Illinois by exploring options for tickets in the evening.

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 December 16, 2024.

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

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 December 12, 2025.

The most flights from YYZ to USIL are scheduled on a Monday (60 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (36 on average).

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 December 12, 2025.
Peruse reviews from past customers who have flown with Porter Airlines, United Airlines, and American Airlines from Toronto Pearson Intl Airport to Illinois to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
398 reviews

Entertainment

7.0

Food

7.6

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
398 reviews
Porter Airlines
8.0
Very good
398 reviews

Entertainment

7.0

Food

7.6

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
United Airlines
7.4
Good
9,095 reviews
Porter Airlines
8.0
Very good
398 reviews

Entertainment

7.0

Food

7.6

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
American Airlines
7.2
Good
11,050 reviews
Porter Airlines
8.0
Very good
398 reviews

Entertainment

7.0

Food

7.6

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,517 reviews
Porter Airlines
8.0
Very good
398 reviews

Entertainment

7.0

Food

7.6

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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?

    Airlines like United Airlines, Delta, and American Airlines fly from Toronto Pearson Intl Airport to Illinois in about 2h 20m. The time it takes to get you to your destination can typically vary by up to 6h 34m. The distance between Toronto Pearson Intl Airport and Illinois is about 436 mi. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as $103 on Porter Airlines. Other airlines that offer cheap prices include United Airlines from $109 and Air Canada from $110 one-way.

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

    The most popular route from Toronto Pearson Intl Airport to Illinois is Toronto Pearson Intl - Chicago O'Hare Intl. You may also consider Toronto Pearson Intl - Chicago Midway or Toronto Pearson Intl - Lambert-St Louis.

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

    Before booking your flight to Illinois from Toronto Pearson Intl Airport, check out the most reliable airlines to get you to your destination on time: Qatar Airways (86%), EVA Air (85%), SkyWest Airlines( 84%).

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

    The cheapest flight price from Toronto Pearson Intl Airport to Illinois is $126. On average you can expect to pay $1,207. The most popular route, (Toronto Pearson Intl - Chicago O'Hare Intl), can usually be booked for $155.

  • 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, August is the cheapest month in which you can book a flight from Toronto Pearson Intl Airport to Illinois (average of $129). Flying from Toronto Pearson Intl Airport to Illinois in April is currently the most expensive (average of $212). 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 4 airlines flying from Pearson Intl to Illinois

Discover the top 4 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 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$149Average$269FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$165Average$282FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$180Average$423FlexibilityNo cancel feeOn-time52%
American AirlinesCheapest$195Average$345FlexibilityNo cancel feeOn-time71%

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