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Illinois

$113+ Cheap flights from Canada 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ORD
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheap flight deals from Canada to Illinois

Keep the following information in mind while searching for Canada to Illinois flight deals. Data was last updated April 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$176
(Cheapflightsfares)

One-way from

$113
(Air Canada)

Popular in

December

Cheapest in

March

Average price

$253

Good round-trip deal

$143 or less

Good one-way deal

$115 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 Canada to Illinois
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One-way flight from Canada to Illinois
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Highest demand for flights based on searches. 5% potential increase in price ($15 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 April 2025
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Price to beat on a round-trip flight from Canada to Illinois.
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Price to beat on a one-way flight from Canada to Illinois.
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Find flight deals from Canada to Illinois

Cheapest flights from Canada to Illinois
Explore the most affordable flight options available from Canada to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/287:30 amYTZ - MDW
Nonstop1h 49mPorter Airlines
Wed 6/45:20 pmMDW - YTZ
Nonstop1h 42mPorter Airlines
Deal found 4/29$176
This flugladen.de deal was found by Cheapflights users on 4/29. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/137:55 amYTZ - MDW
Nonstop1h 50mAir Transat
Fri 6/205:50 pmMDW - YTZ
Nonstop1h 42mAir Transat
Deal found 4/29$179
This Cheapflightsfares deal was found by Cheapflights users on 4/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/287:55 amYTZ - MDW
Nonstop1h 50mMultiple Airlines
Mon 9/19:15 amMDW - YTZ
Nonstop1h 42mMultiple Airlines
Deal found 4/28$180
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/611:00 amYYZ - ORD
Nonstop2h 01mAir Canada
Sun 6/87:04 amORD - YYZ
Nonstop1h 54mAir Canada
Deal found 4/28$182
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/238:30 amYYC - ORD
Nonstop3h 33mUnited Airlines
Tue 5/277:10 amORD - YYC
1 stop15h 38mUnited Airlines
Deal found 4/28$186
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 6/1012:15 pmYYC - ORD
Nonstop3h 29mWestJet
Tue 6/245:30 pmORD - YYC
Nonstop3h 49mWestJet
Deal found 4/28$191
This Air Canada deal was found by Cheapflights users on 4/28. 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.
Fri 5/238:10 amYYC - ORD
1 stop7h 41mAir Canada
Tue 5/274:43 pmORD - YYC
1 stop9h 20mAir Canada
Deal found 4/28$192
This United deal was found by Cheapflights users on 4/28. 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.
Mon 9/157:20 amYYZ - ORD
1 stop8h 53mMultiple Airlines
Mon 9/223:50 pmORD - YYZ
Nonstop1h 43mMultiple Airlines
Deal found 4/28$214
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 8/136:29 amYYC - ORD
Nonstop3h 25mAmerican Airlines
Mon 8/188:34 pmORD - YYC
Nonstop3h 55mAmerican Airlines
Deal found 4/28$218
This United deal was found by Cheapflights users on 4/28. 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.
Mon 5/121:30 pmYYC - ORD
1 stop6h 47mMultiple Airlines
Tue 5/132:22 pmORD - YYC
1 stop9h 16mMultiple Airlines
Deal found 4/28$222
This Delta deal was found by Cheapflights users on 4/28. 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 5/286:30 amYYC - ORD
1 stop6h 58mDelta
Thu 5/293:33 pmORD - YYC
2 stops8h 28mDelta
Deal found 4/28$223
This Vliegwinkel deal was found by Cheapflights users on 4/29. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/298:30 amYYC - ORD
Nonstop3h 33mSWISS
Fri 6/67:58 pmORD - YYC
1 stop12h 27mSWISS
Deal found 4/29$230

Cheapflights Fare Finder

Customize your flight search to find flights from Canada 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 April 29, 2025.
Use the filters below to find and compare flights from Canada to Illinois that are best for you.

Fly from

Canada

Fly to

Illinois

Route

Depart

Return

Price

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Sat 5/24

7:55 am-8:45 am

Nonstop1h 50m

Chicago Midway

Wed 5/28

5:50 pm-8:32 pm

Nonstop1h 42m

$176

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Fri 6/13

7:55 am-8:45 am

Nonstop1h 50m

Chicago Midway

Fri 6/20

5:50 pm-8:32 pm

Nonstop1h 42m

$179

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Thu 8/28

7:55 am-8:45 am

Nonstop1h 50m

Chicago Midway

Mon 9/1

9:15 am-11:57 am

Nonstop1h 42m

$180

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 6/6

11:00 am-12:01 pm

Nonstop2h 01m

Chicago O'Hare Intl

Sun 6/8

7:04 am-9:58 am

Nonstop1h 54m

$182

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Fri 5/23

8:30 am-1:03 pm

Nonstop3h 33m

Chicago O'Hare Intl

Tue 5/27

7:10 am-9:48 pm

1 stop15h 38m

$186

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Tue 6/10

12:15 pm-4:44 pm

Nonstop3h 29m

Chicago O'Hare Intl

Tue 6/24

5:30 pm-8:19 pm

Nonstop3h 49m

$191

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Fri 5/23

8:10 am-4:51 pm

1 stop7h 41m

Chicago O'Hare Intl

Tue 5/27

4:43 pm-1:03 am

1 stop9h 20m

$192

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Mon 9/15

7:20 am-3:13 pm

1 stop8h 53m

Chicago O'Hare Intl

Mon 9/22

3:50 pm-6:33 pm

Nonstop1h 43m

$214

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Wed 8/13

6:29 am-10:54 am

Nonstop3h 25m

Chicago O'Hare Intl

Mon 8/18

8:34 pm-11:29 pm

Nonstop3h 55m

$218

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Mon 5/12

1:30 pm-9:17 pm

1 stop6h 47m

Chicago O'Hare Intl

Tue 5/13

2:22 pm-10:38 pm

1 stop9h 16m

$222

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

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

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

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

Currently, August is the cheapest month in which you can book a flight from Canada to Illinois (average of $245). Flying from Canada to Illinois in March is currently the most expensive (average of $321). 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 CA to IL?

Find hourly flight availability from Canada 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 April 29, 2025.

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

Weekly flight availability from Canada to Illinois

Explore weekly flight availability from Canada 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 April 29, 2025.

The most flights from CA0 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 (43 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 April 29, 2025.
To help decide which airline to fly from Canada to Illinois, see what other customers have to say about Delta, Alaska Airlines and Porter 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.
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Alaska Airlines
8.0
Very good
9,961 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Porter Airlines
8.0
Very good
285 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Transat
7.8
Good
385 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

    The cheapest airlines for a one-way flight from Canada to Illinois are Air Canada ($113), American Airlines ($116), and United Airlines ($117).

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Canada to Illinois (average of $245). Flying from Canada to Illinois in March is currently the most expensive (average of $321). 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 Canada 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 Canada to Illinois

Discover the top 5 airlines that operate flights from Canada 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$112Average$444FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$123Average$458FlexibilityNo cancel feeOn-time67%
WestJetCheapest$139Average$298FlexibilityNo cancel feeOn-time60%
American AirlinesCheapest$166Average$366FlexibilityNo cancel feeOn-time71%
Porter AirlinesCheapest$170Average$320FlexibilityNo cancel feeOn-time52%

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