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$77+ Cheap flights from Illinois to Toronto (YTO)

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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YTO
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
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Cheap flight deals from Illinois to Toronto

Keep the following information in mind while searching for Illinois to Toronto flight deals. Data was last updated October 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$184
(American Airlines)

One-way from

$77
(American Airlines)

Popular in

January

Cheapest in

September

Average price

$294

Good round-trip deal

$261 or less

Good one-way deal

$134 or less
Provider with most accurate pricing for Chicago (CHI)-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Toronto (YTO) flights.
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From Illinois to Toronto (YTO)
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One-way flight from Illinois to Toronto (YTO)
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Highest demand for flights based on searches. 11% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Illinois to Toronto (YTO).
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Price to beat on a one-way flight from Illinois to Toronto (YTO).
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Find flight deals from Illinois to Toronto

Cheapest flights from Illinois to Toronto
Explore the most affordable flight options available from Illinois to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2025.

This American Airlines deal was found by Cheapflights users on 10/22. 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.
Tue 12/26:34 pmORD - YYZ
Nonstop1h 55mAmerican Airlines
Fri 12/124:44 pmYYZ - ORD
Nonstop2h 00mAmerican Airlines
Deal found 10/22$184
This American Airlines deal was found by Cheapflights users on 10/23. 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.
Tue 12/26:06 amORD - YYZ
1 stop4h 48mAmerican Airlines
Fri 12/56:00 amYYZ - ORD
Nonstop2h 15mAmerican Airlines
Deal found 10/23$194
This American Airlines deal was found by Cheapflights users on 10/23. 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 12/59:39 amORD - YYZ
Nonstop1h 51mAmerican Airlines
Sun 12/76:00 amYYZ - ORD
1 stop6h 03mAmerican Airlines
Deal found 10/23$200
This American Airlines deal was found by Cheapflights users on 10/23. 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.
Thu 11/208:20 amORD - YYZ
1 stop6h 37mAmerican Airlines
Sun 11/236:00 amYYZ - ORD
1 stop5h 42mAmerican Airlines
Deal found 10/23$209
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Sat 12/66:04 amORD - YYZ
1 stop4h 52mAmerican Airlines
Sat 12/134:44 pmYYZ - ORD
Nonstop2h 00mAmerican Airlines
Deal found 10/21$212
This American Airlines deal was found by Cheapflights users on 10/21. 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 12/51:16 pmORD - YYZ
Nonstop1h 47mAmerican Airlines
Fri 12/126:24 pmYYZ - ORD
Nonstop2h 00mAmerican Airlines
Deal found 10/21$213
This American Airlines deal was found by Cheapflights users on 10/23. 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 11/145:00 amORD - YYZ
1 stop5h 14mAmerican Airlines
Wed 11/196:00 amYYZ - ORD
Nonstop2h 15mAmerican Airlines
Deal found 10/23$217
This American Airlines deal was found by Cheapflights users on 10/23. 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.
Sun 12/78:10 amORD - YYZ
Nonstop1h 46mAmerican Airlines
Sun 12/145:16 pmYYZ - ORD
1 stop5h 03mAmerican Airlines
Deal found 10/23$218
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Thu 11/135:00 amORD - YYZ
1 stop5h 03mAmerican Airlines
Fri 11/145:15 pmYYZ - ORD
1 stop5h 08mAmerican Airlines
Deal found 10/21$228
This Delta deal was found by Cheapflights users on 10/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/229:32 amMDW - YYZ
1 stop6h 43mDelta
Fri 11/286:05 amYYZ - MDW
1 stop3h 49mDelta
Deal found 10/22$233
This Trip.com deal was found by Cheapflights users on 10/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2611:00 amMDW - YTZ
Nonstop1h 42mPorter Airlines
Fri 1/99:15 amYTZ - MDW
Nonstop1h 50mPorter Airlines
Deal found 10/21$237
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/49:34 amMDW - YYZ
1 stop4h 14mDelta
Sun 12/76:05 amYYZ - MDW
1 stop7h 29mDelta
Deal found 10/21$241

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Toronto 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 October 23, 2025.
Use the filters below to find and compare flights from Illinois to Toronto that are best for you.

Fly from

Illinois

Fly to

Toronto

Route

Depart

Return

Price

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Tue 12/9

6:22 am-3:10 pm

1 stop7h 48m

Toronto Pearson Intl

Wed 12/10

1:47 pm-6:23 pm

1 stop5h 36m

$209

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 11/21

6:45 am-2:48 pm

1 stop7h 03m

Toronto Pearson Intl

Thu 11/27

6:05 am-1:55 pm

1 stop8h 50m

$233

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 12/4

6:00 am-4:15 pm

1 stop9h 15m

Toronto Pearson Intl

Sun 12/7

6:30 am-11:40 am

1 stop6h 10m

$233

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 12/3

7:00 am-1:19 pm

1 stop5h 19m

Toronto Pearson Intl

Sun 12/7

12:13 pm-6:27 pm

1 stop7h 14m

$233

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 11/22

10:46 am-5:15 pm

1 stop5h 29m

Toronto Pearson Intl

Wed 11/26

12:08 pm-4:24 pm

1 stop5h 16m

$233

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 11/21

6:45 am-2:48 pm

1 stop7h 03m

Toronto Pearson Intl

Sun 11/23

6:05 am-10:01 am

1 stop4h 56m

$233

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 12/12

6:00 am-4:15 pm

1 stop9h 15m

Toronto Pearson Intl

Sun 12/14

3:38 pm-6:27 pm

1 stop3h 49m

$233

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 12/5

5:42 pm-11:27 pm

1 stop4h 45m

Toronto Pearson Intl

Fri 12/12

3:38 pm-6:27 pm

1 stop3h 49m

$233

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Tue 11/25

7:00 am-1:20 pm

1 stop5h 20m

Toronto Pearson Intl

Thu 11/27

6:30 am-3:02 pm

1 stop9h 32m

$233

ChicagoToronto

MDW - YTZ

MDWYTZ

Chicago Midway

Thu 12/4

11:00 am-1:42 pm

Nonstop1h 42m

Toronto Island

Sun 12/7

9:15 am-10:05 am

Nonstop1h 50m

$251

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Toronto

Have a flexible travel schedule? Discover the best time to fly to Toronto from Illinois 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 Illinois to Toronto

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

Currently, March is the cheapest month in which you can book a flight from Illinois to Toronto (average of $106). Flying from Illinois to Toronto in July is currently the most expensive (average of $173). 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 IL to YTO?

Find hourly flight availability from Illinois to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 23, 2025.

A simple way to save on the total cost of your ticket is to fly from Illinois to Toronto in the evening. If you’re flexible enough to do this you can expect to save up to 35% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Illinois to Toronto?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Toronto. Price data was last updated on December 16, 2024.

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

Weekly flight availability from Illinois to Toronto

Explore weekly flight availability from Illinois to Toronto. 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 October 23, 2025.

The most flights from USIL to YTO are scheduled on a Thursday (63 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 on average).

Related info for your journey

Find useful and relevant information for your journey from Illinois to Toronto. 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 Illinois to Toronto?

    For as low as $251, American Airlines can have you in Toronto from Illinois in 1h 42m. There are 442 mi between Illinois and Toronto. Both multi-stop and nonstop flights can be found to your destination and back.

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

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $77. Users have also found prices from $89 and $116 on Delta and Porter Airlines, respectively.

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

    When deciding which route to take from Illinois to Toronto consider Chicago O'Hare Intl - Toronto Pearson Intl, Chicago Midway - Toronto Island or Chicago O'Hare Intl - Toronto Island as they are the most popular.

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

    No one likes to see their flight delayed. When booking a flight from Illinois to Toronto consider choosing Finnair (92%), Qatar Airways (91%) or British Airways (89%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Illinois to Toronto?

    The cheapest flight price from Illinois to Toronto is $122. On average you can expect to pay $762. The most popular route, (Chicago O'Hare Intl - Toronto Pearson Intl), can usually be booked for $166.

  • Can I find deals for flights from Illinois to Toronto that include hotel bookings?

    Yes. In addition to deals on Illinois to Toronto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Toronto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Toronto.

  • Can I find deals for business class flights from Illinois to Toronto?

    Yes. Cheapflights offers flight deals from Illinois to Toronto 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 Illinois to Toronto?

    Currently, March is the cheapest month in which you can book a flight from Illinois to Toronto (average of $106). Flying from Illinois to Toronto in July is currently the most expensive (average of $173). 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 Illinois to Toronto

See prices for flight routes from nearby airports that may be better suited for you.
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O'Hare Intl to Pierre Elliott Trudeau Intl flights
Fort Lauderdale to Pierre Elliott Trudeau Intl flights
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Los Angeles to Pierre Elliott Trudeau Intl flights
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Miami to Pearson Intl flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
San Francisco to Pierre Elliott Trudeau Intl flights
Tampa to Pearson Intl flights
Philadelphia to Pierre Elliott Trudeau Intl flights
Charlotte to Pearson Intl flights
LaGuardia to Toronto Island flights
Minneapolis to Pierre Elliott Trudeau Intl flights
Miami to Pierre Elliott Trudeau Intl flights

Top 4 airlines flying from Illinois to Toronto

Discover the top 4 airlines that operate flights from Illinois to Toronto. 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 October 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$109Average$270FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$117Average$266FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$146Average$309FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$231Average$390FlexibilityNo cancel feeOn-time71%

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