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$124+ Cheap flights from Toronto (YTO) 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — ORD
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Toronto to Illinois

Keep the following information in mind while searching for Toronto to Illinois flight deals. Data was last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$197
(Trip.com)

One-way from

$124
(Cheapflightsfares)

Popular in

December

Cheapest in

April

Average price

$278

Good round-trip deal

$170 or less

Good one-way deal

$119 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.
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From Toronto (YTO) to Illinois
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One-way flight from Toronto (YTO) to Illinois
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Highest demand for flights based on searches. 4% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Toronto (YTO) to Illinois.
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Price to beat on a one-way flight from Toronto (YTO) to Illinois.
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Find flight deals from Toronto to Illinois

Cheapest flights from Toronto to Illinois
Explore the most affordable flight options available from Toronto to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Trip.com deal was found by Cheapflights users on 3/27. 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.
Sat 4/1911:10 amYTZ - MDW
Nonstop1h 50mPorter Airlines
Sun 4/205:35 pmMDW - YTZ
Nonstop1h 42mPorter Airlines
Deal found 3/27$197
This Flightnetwork deal was found by Cheapflights users on 3/27. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/68:25 amYTZ - ORD
1 stop7h 26mAir Canada
Thu 7/103:35 pmORD - YTZ
1 stop4h 56mAir Canada
Deal found 3/27$206
This Ticket deal was found by Cheapflights users on 3/27. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/192:45 pmYYZ - ORD
Nonstop2h 06mAir Canada
Sun 4/207:20 amORD - YYZ
1 stop5h 19mAir Canada
Deal found 3/27$207
This Booking.com deal was found by Cheapflights users on 3/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/299:30 amYTZ - MDW
Nonstop1h 50mAir Transat
Sat 5/39:40 amMDW - YTZ
Nonstop1h 42mAir Transat
Deal found 3/27$223
This Delta deal was found by Cheapflights users on 3/26. 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.
Wed 4/2312:54 pmYYZ - MDW
1 stop5h 25mDelta
Wed 4/305:59 pmMDW - YYZ
1 stop3h 56mDelta
Deal found 3/26$224
This United Airlines deal was found by Cheapflights users on 3/26. 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 4/186:35 pmYYZ - ORD
Nonstop1h 55mUnited Airlines
Sun 4/209:40 amORD - YYZ
Nonstop1h 35mUnited Airlines
Deal found 3/26$227
This United deal was found by Cheapflights users on 3/26. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/186:35 pmYYZ - ORD
Nonstop1h 55mMultiple Airlines
Sun 4/201:56 pmORD - YYZ
1 stop6h 31mMultiple Airlines
Deal found 3/26$232
This Delta deal was found by Cheapflights users on 3/26. 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 4/199:45 amYYZ - ORD
1 stop7h 26mDelta
Thu 5/17:10 amORD - YYZ
1 stop9h 49mDelta
Deal found 3/26$239
This American Airlines deal was found by Cheapflights users on 3/27. 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 4/196:20 pmYYZ - ORD
Nonstop1h 55mAmerican Airlines
Sun 4/208:27 amORD - YYZ
1 stop5h 28mAmerican Airlines
Deal found 3/27$261
This Trip.com deal was found by Cheapflights users on 3/27. 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.
Thu 4/109:30 amYTZ - MDW
Nonstop1h 50mMultiple Airlines
Thu 4/1711:15 amMDW - YTZ
Nonstop1h 42mMultiple Airlines
Deal found 3/27$279
This FlightHub deal was found by Cheapflights users on 3/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/118:00 pmYYZ - ORD
2 stops19h 20mWestJet
Wed 8/207:35 pmORD - YYZ
1 stop12h 18mWestJet
Deal found 3/26$289
This FlightHub deal was found by Cheapflights users on 3/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/306:30 amYYZ - MDW
1 stop11h 49mWestJet
Fri 5/210:20 amMDW - YYZ
1 stop11h 55mWestJet
Deal found 3/27$291

Cheapflights Fare Finder

Customize your flight search to find flights from Toronto 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 March 28, 2025.
Use the filters below to find and compare flights from Toronto to Illinois that are best for you.

Fly from

Toronto

Fly to

Illinois

Route

Depart

Return

Price

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Sat 4/19

11:10 am-12:00 pm

Nonstop1h 50m

Chicago Midway

Sun 4/20

5:35 pm-8:17 pm

Nonstop1h 42m

$197

TorontoChicago

YTZ - ORD

YTZORD

Toronto Island

Sun 7/6

8:25 am-2:51 pm

1 stop7h 26m

Chicago O'Hare Intl

Thu 7/10

3:35 pm-9:31 pm

1 stop4h 56m

$206

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 4/19

2:45 pm-3:51 pm

Nonstop2h 06m

Chicago O'Hare Intl

Sun 4/20

7:20 am-1:39 pm

1 stop5h 19m

$207

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Tue 4/29

9:30 am-10:20 am

Nonstop1h 50m

Chicago Midway

Sat 5/3

9:40 am-12:22 pm

Nonstop1h 42m

$223

TorontoChicago

YYZ - MDW

YYZMDW

Toronto Pearson Intl

Wed 4/23

12:54 pm-5:19 pm

1 stop5h 25m

Chicago Midway

Wed 4/30

5:59 pm-10:55 pm

1 stop3h 56m

$224

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 4/18

6:35 pm-7:30 pm

Nonstop1h 55m

Chicago O'Hare Intl

Sun 4/20

9:40 am-12:15 pm

Nonstop1h 35m

$227

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 4/18

6:35 pm-7:30 pm

Nonstop1h 55m

Chicago O'Hare Intl

Sun 4/20

1:56 pm-9:27 pm

1 stop6h 31m

$232

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 4/19

9:45 am-4:11 pm

1 stop7h 26m

Chicago O'Hare Intl

Thu 5/1

7:10 am-5:59 pm

1 stop9h 49m

$239

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 4/19

6:20 pm-7:15 pm

Nonstop1h 55m

Chicago O'Hare Intl

Sun 4/20

8:27 am-2:55 pm

1 stop5h 28m

$261

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Thu 4/10

9:30 am-10:20 am

Nonstop1h 50m

Chicago Midway

Thu 4/17

11:15 am-1:57 pm

Nonstop1h 42m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/28

Showing 1-10 of 48 results
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Best time to book a flight from Toronto to Illinois

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

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

Currently, August is the cheapest month in which you can book a flight from Toronto to Illinois (average of $245). Flying from Toronto to Illinois in March is currently the most expensive (average of $323). 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 YTO to IL?

Find hourly flight availability from Toronto 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 March 28, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Toronto to Illinois as you normally would.

Weekly flight availability from Toronto to Illinois

Explore weekly flight availability from Toronto 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 March 28, 2025.

The most flights from YTO to USIL are scheduled on a Thursday (53 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (8 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 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 March 28, 2025.
See what other customers who have flown with Alaska Airlines, Delta and Porter Airlines from Toronto to Illinois have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,798 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,897 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Porter Airlines
7.9
Good
276 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Air Transat
7.8
Good
381 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,603 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Toronto 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 to Illinois one-way?

    $124 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on Air Canada and Delta, with prices starting from $126 and $135, respectively.

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

    Most travelers choose Toronto Pearson Intl - Chicago O'Hare Intl, Toronto Island - Chicago Midway or Toronto Pearson Intl - Chicago Midway when deciding on the best route from Toronto to Illinois.

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

    Before booking your flight to Illinois from Toronto, check out the most reliable airlines to get you to your destination on time: Copa Airlines (88%), Emirates (87%), ANA( 86%).

  • What are the cheapest flights from Toronto to Illinois?

    While on average a flight from Toronto to Illinois is generally $2,110, our data shows the cheapest flight currently is $119. When looking at the most popular route, (Toronto Pearson Intl - Chicago O'Hare Intl), you can expect to pay $227 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Toronto 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 to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Toronto to Illinois (average of $245). Flying from Toronto to Illinois in March is currently the most expensive (average of $323). 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 Toronto 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 Toronto to Illinois

Discover the top 4 airlines that operate flights from Toronto 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$157Average$291FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$170Average$243FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$233Average$310FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$236Average$403FlexibilityNo cancel feeOn-time71%
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