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Cheap flights from Toronto Pearson Intl Airport to Illinois from C$ 142
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 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ORD
4 Aug — 11 Aug1
Round-trip
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 30 July 2025.
Find 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 30 July 2025.
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 30 July 2025.
Fri 7/1112:05 p.m.YYZ - ORD
Nonstop1h 56mAir Canada
Sun 9/113:55 p.m.ORD - YYZ
Nonstop1h 39mAir Canada
Deal found 30/7C$ 203
Mon 25/89:00 p.m.YYZ - ORD
Nonstop2h 07mUnited Airlines
Tue 2/99:12 p.m.ORD - YYZ
Nonstop1h 46mUnited Airlines
Deal found 27/7C$ 232
Mon 6/107:15 p.m.YYZ - ORD
1 stop13h 21mAmerican Airlines
Tue 7/1010:05 a.m.ORD - YYZ
1 stop11h 57mAmerican Airlines
Deal found 27/7C$ 262
Fri 12/94:12 p.m.YYZ - ORD
1 stop5h 08mDelta
Sun 14/97:10 a.m.ORD - YYZ
1 stop7h 12mDelta
Deal found 30/7C$ 292
Sat 13/912:14 p.m.YYZ - MDW
1 stop7h 21mDelta
Sat 20/96:15 p.m.MDW - YYZ
1 stop3h 41mDelta
Deal found 30/7C$ 292
Sat 30/88:00 p.m.YYZ - MDW
2 stops26h 12mWestJet
Sat 6/97:17 p.m.MDW - YYZ
1 stop15h 36mWestJet
Deal found 27/7C$ 385
Sat 11/101:15 p.m.YYZ - STL
1 stop11h 39mAmerican Airlines
Wed 22/107:16 a.m.STL - YYZ
1 stop9h 24mAmerican Airlines
Deal found 27/7C$ 432
Fri 12/92:15 p.m.YYZ - STL
Nonstop2h 03mAir Canada
Sun 14/94:05 p.m.STL - YYZ
Nonstop1h 55mAir Canada
Deal found 29/7C$ 486
Fri 22/86:21 p.m.YYZ - STL
1 stop22h 28mMultiple Airlines
Wed 10/96:10 a.m.STL - YYZ
1 stop10h 33mMultiple Airlines
Deal found 28/7C$ 509
Wed 15/109:00 a.m.YYZ - STL
1 stop7h 44mUnited Airlines
Sun 19/1012:25 p.m.STL - YYZ
1 stop7h 19mUnited Airlines
Deal found 27/7C$ 552
Mon 8/96:04 a.m.YYZ - STL
1 stop11h 45mDelta
Thu 11/96:05 a.m.STL - YYZ
1 stop9h 03mDelta
Deal found 29/7C$ 561
Thu 11/91:20 p.m.YYZ - BMI
1 stop9h 51mDelta
Mon 15/93:39 p.m.BMI - YYZ
1 stop5h 12mDelta
Deal found 29/7C$ 604
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 30 July 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
Fri 7/11
12:05 p.m.-1:01 p.m.
Nonstop1h 56m
Chicago O'Hare Intl
Sun 9/11
3:55 p.m.-6:34 p.m.
Nonstop1h 39m
C$ 203
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
Mon 25/8
9:00 p.m.-10:07 p.m.
Nonstop2h 07m
Chicago O'Hare Intl
Tue 2/9
9:12 p.m.-11:58 p.m.
Nonstop1h 46m
C$ 232
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
Mon 6/10
7:15 p.m.-7:36 a.m.
1 stop13h 21m
Chicago O'Hare Intl
Tue 7/10
10:05 a.m.-11:02 p.m.
1 stop11h 57m
C$ 262
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
Fri 12/9
4:12 p.m.-8:20 p.m.
1 stop5h 08m
Chicago O'Hare Intl
Sun 14/9
7:10 a.m.-3:22 p.m.
1 stop7h 12m
C$ 292
TorontoChicago
YYZ - MDW
YYZMDW
Toronto Pearson Intl
Sat 13/9
6:00 a.m.-1:03 p.m.
1 stop8h 03m
Chicago Midway
Sat 20/9
6:15 p.m.-10:56 p.m.
1 stop3h 41m
C$ 292
TorontoChicago
YYZ - MDW
YYZMDW
Toronto Pearson Intl
Sat 30/8
8:00 p.m.-9:12 p.m.
2 stops26h 12m
Chicago Midway
Sat 6/9
7:17 p.m.-11:53 a.m.
1 stop15h 36m
C$ 385
TorontoSt. Louis
YYZ - STL
YYZSTL
Toronto Pearson Intl
Sat 11/10
1:15 p.m.-11:54 p.m.
1 stop11h 39m
Lambert-St Louis
Wed 22/10
7:16 a.m.-5:40 p.m.
1 stop9h 24m
C$ 432
TorontoSt. Louis
YYZ - STL
YYZSTL
Toronto Pearson Intl
Fri 12/9
2:15 p.m.-3:18 p.m.
Nonstop2h 03m
Lambert-St Louis
Sun 14/9
4:05 p.m.-7:00 p.m.
Nonstop1h 55m
C$ 486
TorontoSt. Louis
YYZ - STL
YYZSTL
Toronto Pearson Intl
Fri 22/8
6:21 p.m.-3:49 p.m.
1 stop22h 28m
Lambert-St Louis
Wed 10/9
6:10 a.m.-5:43 p.m.
1 stop10h 33m
C$ 509
TorontoSt. Louis
YYZ - STL
YYZSTL
Toronto Pearson Intl
Wed 15/10
9:00 a.m.-3:44 p.m.
1 stop7h 44m
Lambert-St Louis
Sun 19/10
12:25 p.m.-8:44 p.m.
1 stop7h 19m
C$ 552
Showing 1-10 of 37 results
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$ 352). 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 30 July 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 30 July 2025.
The most flights from YYZ to USIL are scheduled on a Monday (61 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (35 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 30 July 2025.
Get a feel of what it's like to fly with Delta,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.
Overall
8.0
Entertainment
7.9
Comfort
7.9
Crew
8.5
Boarding
8.2
Food
7.3
Reviews
1 / 20
8.0
ExcellentMichael,Jul 2025
AMS - ATL
Overall
8.0
Entertainment
7.9
Comfort
7.9
Crew
8.5
Boarding
8.2
Food
7.3
Reviews
1 / 20
8.0
ExcellentMichael,Jul 2025
AMS - ATL
Overall
8.0
Entertainment
7.9
Comfort
7.9
Crew
8.5
Boarding
8.2
Food
7.3
Reviews
1 / 20
8.0
ExcellentMichael,Jul 2025
AMS - ATL
Overall
8.0
Entertainment
7.9
Comfort
7.9
Crew
8.5
Boarding
8.2
Food
7.3
Reviews
1 / 20
8.0
ExcellentMichael,Jul 2025
AMS - ATL
Overall
8.0
Entertainment
7.9
Comfort
7.9
Crew
8.5
Boarding
8.2
Food
7.3
Reviews
1 / 20
8.0
ExcellentMichael,Jul 2025
AMS - ATL
Overall
8.0
Entertainment
7.9
Comfort
7.9
Crew
8.5
Boarding
8.2
Food
7.3
Reviews
1 / 20
8.0
ExcellentMichael,Jul 2025
AMS - ATL
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.
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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.
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 30 July 2025.
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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.