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$100+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ORD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$151
(Trip.com)

One-way from

$100
(Air Canada)

Popular in

December

Cheapest in

July

Average price

$250

Good round-trip deal

$155 or less

Good one-way deal

$153 or less
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. 7% potential increase in price ($19 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 September 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 September 11, 2025.

This oojo deal was found by Cheapflights users on 9/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/176:00 amYVR - ORD
1 stop8h 43mWestJet
Sun 10/195:30 pmORD - YVR
1 stop8h 41mWestJet
Deal found 9/9$144
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/177:00 amYVR - ORD
1 stop7h 43mWestJet
Thu 10/235:30 pmORD - YVR
1 stop7h 06mWestJet
Deal found 9/9$150
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:00 amYVR - ORD
1 stop7h 43mWestJet
Sat 10/255:30 pmORD - YVR
1 stop8h 41mWestJet
Deal found 9/9$151
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/186:00 amYVR - ORD
1 stop8h 43mWestJet
Sat 10/255:30 pmORD - YVR
1 stop8h 41mWestJet
Deal found 9/9$152
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/126:00 amYVR - ORD
1 stop8h 43mWestJet
Thu 10/165:30 pmORD - YVR
1 stop7h 06mWestJet
Deal found 9/9$153
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:00 amYVR - ORD
1 stop7h 43mWestJet
Mon 10/272:20 pmORD - YVR
1 stop7h 25mWestJet
Deal found 9/9$154
This Air Canada deal was found by Cheapflights users on 9/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/248:45 amYVR - ORD
Nonstop4h 15mAir Canada
Sun 10/263:40 pmORD - YVR
Nonstop4h 35mAir Canada
Deal found 9/10$160
This Booking.com deal was found by Cheapflights users on 9/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/248:45 amYVR - ORD
Nonstop4h 15mMultiple Airlines
Fri 10/312:20 pmORD - YVR
1 stop7h 25mMultiple Airlines
Deal found 9/9$161
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 10/254:14 pmYQB - ORD
Nonstop2h 50mAmerican Airlines
Sat 11/19:56 amORD - YQB
Nonstop2h 40mAmerican Airlines
Deal found 9/10$162
This Trip.com deal was found by Cheapflights users on 9/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/228:30 amYVR - ORD
Nonstop4h 11mAir Canada
Tue 11/2512:50 pmORD - YVR
1 stop10h 00mAir Canada
Deal found 9/10$162
This FlightHub deal was found by Cheapflights users on 9/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1712:15 pmYYC - ORD
Nonstop3h 28mWestJet
Sun 10/195:30 pmORD - YYC
Nonstop3h 49mWestJet
Deal found 9/11$163
This Booking.com deal was found by Cheapflights users on 9/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/228:45 amYVR - ORD
Nonstop4h 15mAir Canada
Sat 10/259:55 amORD - YVR
2 stops13h 21mAir Canada
Deal found 9/10$163

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 September 11, 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

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Fri 10/17

12:15 pm-4:43 pm

Nonstop3h 28m

Chicago O'Hare Intl

Sun 10/19

5:30 pm-8:19 pm

Nonstop3h 49m

$163

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Mon 10/27

11:40 pm-9:15 am

1 stop8h 35m

Chicago O'Hare Intl

Thu 10/30

10:00 am-6:54 pm

1 stop9h 54m

$167

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Fri 10/24

5:20 am-9:09 am

1 stop4h 49m

Chicago O'Hare Intl

Fri 10/31

3:35 pm-10:14 pm

1 stop5h 39m

$169

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Wed 10/15

7:50 am-8:39 am

Nonstop1h 49m

Chicago Midway

Wed 10/15

5:20 pm-8:02 pm

Nonstop1h 42m

$173

Québec CityChicago

YQB - ORD

YQBORD

Québec City

Fri 10/24

4:55 pm-11:30 pm

1 stop7h 35m

Chicago O'Hare Intl

Fri 10/31

10:46 am-2:13 pm

Nonstop2h 27m

$174

VancouverChicago

YVR - MDW

YVRMDW

Vancouver Intl

Fri 10/31

11:00 pm-6:39 pm

1 stop17h 39m

Chicago Midway

Tue 11/4

1:56 pm-2:45 pm

2 stops26h 49m

$177

VancouverChicago

YVR - ORD

YVRORD

Vancouver Intl

Fri 10/3

1:45 pm-8:04 pm

Nonstop4h 19m

Chicago O'Hare Intl

Mon 10/6

5:01 am-9:51 am

1 stop6h 50m

$178

VancouverChicago

YVR - ORD

YVRORD

Vancouver Intl

Sat 10/4

1:45 pm-8:04 pm

Nonstop4h 19m

Chicago O'Hare Intl

Sun 10/12

5:01 am-9:51 am

1 stop6h 50m

$178

VancouverChicago

YVR - ORD

YVRORD

Vancouver Intl

Wed 10/8

1:45 pm-8:04 pm

Nonstop4h 19m

Chicago O'Hare Intl

Wed 10/15

5:01 am-9:51 am

1 stop6h 50m

$178

VancouverChicago

YVR - ORD

YVRORD

Vancouver Intl

Tue 9/23

7:20 pm-6:15 am

1 stop8h 55m

Chicago O'Hare Intl

Wed 9/24

8:51 am-11:33 am

Nonstop4h 42m

$178

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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 September 11, 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 September 11, 2025.

The most flights from CA0 to USIL are scheduled on a Friday (61 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (41 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 September 11, 2025.
Read through reviews of airlines operating flights from Canada to Illinois, such as Porter Airlines, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
363 reviews

Entertainment

7.0

Food

7.6

Overall

7.9

Comfort

7.9

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews

Entertainment

7.0

Food

7.6

Overall

7.9

Comfort

7.9

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,937 reviews
Porter Airlines
7.9
Good
363 reviews

Entertainment

7.0

Food

7.6

Overall

7.9

Comfort

7.9

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews

Entertainment

7.0

Food

7.6

Overall

7.9

Comfort

7.9

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,091 reviews
Porter Airlines
7.9
Good
363 reviews

Entertainment

7.0

Food

7.6

Overall

7.9

Comfort

7.9

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews

Entertainment

7.0

Food

7.6

Overall

7.9

Comfort

7.9

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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.

  • How long is the flight from Canada to Illinois?

    Departing from Canada to Illinois will take you 1h 49m. The distance between Canada and Illinois is about 442 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 United Airlines ($103), American Airlines ($103), and Air Canada ($103).

  • 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

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$109Average$466FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$112Average$420FlexibilityNo cancel feeOn-time69%
WestJetCheapest$138Average$217FlexibilityNo cancel feeOn-time60%
Porter AirlinesCheapest$158Average$289FlexibilityNo cancel feeOn-time52%
American AirlinesCheapest$193Average$339FlexibilityNo cancel feeOn-time71%

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