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Cheap flights from Canada to Illinois from C$ 217

YYZ — ORD
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Canada to Illinois

Enter your travel dates to find the best prices.

Cheapest flights from Canada to Illinois

Sat 14/117:44 p.m. -
1 stop5h 17m
Sun 15/117:03 a.m. -
Nonstop1h 44m
Deal found 31/10C$ 333
Fri 13/117:26 p.m. -
Nonstop2h 22m
Sat 14/117:45 a.m. -
1 stop15h 07m
Deal found 30/10C$ 347
Tue 15/1212:55 p.m. -
1 stop6h 46m
Tue 15/129:21 p.m. -
Nonstop1h 38m
Deal found 3/11C$ 362
Thu 19/114:35 p.m. -
Nonstop2h 05m
Sun 22/116:20 p.m. -
Nonstop1h 45m
Deal found 1/11C$ 376
Fri 20/1110:29 a.m. -
Nonstop2h 05m
Sun 22/116:20 p.m. -
Nonstop1h 45m
Deal found 30/10C$ 378
Wed 16/126:55 p.m. -
Nonstop2h 03m
Wed 23/128:50 p.m. -
Nonstop1h 42m
Deal found 1/11C$ 386
Sat 14/114:35 p.m. -
Nonstop2h 05m
Mon 16/1112:15 p.m. -
Nonstop1h 45m
Deal found 31/10C$ 386
Sun 27/128:05 a.m. -
Nonstop2h 03m
Fri 1/18:55 p.m. -
Nonstop1h 42m
Deal found 1/11C$ 387
Fri 27/1110:29 a.m. -
Nonstop2h 05m
Mon 30/116:20 p.m. -
Nonstop1h 45m
Deal found 1/11C$ 387
Fri 13/114:35 p.m. -
Nonstop2h 05m
Sun 15/116:20 p.m. -
Nonstop1h 45m
Deal found 30/10C$ 389
Fri 13/112:35 p.m. -
Nonstop2h 03m
Sun 15/1110:15 a.m. -
Nonstop1h 37m
Deal found 30/10C$ 390
Sat 14/1110:29 a.m. -
Nonstop2h 05m
Sun 15/1112:15 p.m. -
Nonstop1h 45m
Deal found 31/10C$ 390

Find flight deals from Canada to Illinois

Round-trip from

C$ 333

One-way from

C$ 217

Popular in

October

Cheapest in

February

Average price

C$ 403

Good round-trip deal

C$ 386 or less

Good one-way deal

C$ 257 or less
Lufthansa
  • Lufthansa
  • 14/11-15/11
  • 1 total stop
  • 7h 01m total
  • Canada to Illinois
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British Airways
  • British Airways
  • 9/11-31/12
  • Nonstop
  • 2h 30m total
  • Canada to Illinois
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 14 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2026
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Price to beat on a round-trip flight from Canada to Illinois.
Search Deals
Price to beat on a one-way flight from Canada to Illinois.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Canada to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoChicago

YTZ Toronto Island - ORD Chicago O'Hare Intl

YTZORD

Toronto Island

Sun 22/11

10:29 a.m.-11:34 a.m.

Nonstop2h 05m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 238

TorontoChicago

YTZ Toronto Island - ORD Chicago O'Hare Intl

YTZORD

Toronto Island

Fri 4/12

10:29 a.m.-11:34 a.m.

Nonstop2h 05m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 246

TorontoChicago

YTZ Toronto Island - ORD Chicago O'Hare Intl

YTZORD

Toronto Island

Tue 1/12

10:45 a.m.-3:02 p.m.

1 stop5h 17m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 249
Quickest round-trip

TorontoChicago

YTZ Toronto Island - ORD Chicago O'Hare Intl

YTZORD

Toronto Island

Sun 17/1

4:35 p.m.-5:30 p.m.

Nonstop1h 55m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 249

CalgaryChicago

YYC Calgary - ORD Chicago O'Hare Intl

YYCORD

Calgary

Fri 15/1

7:15 a.m.-6:09 p.m.

1 stop10h 54m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 252

CalgaryChicago

YYC Calgary - ORD Chicago O'Hare Intl

YYCORD

Calgary

Thu 10/12

7:25 a.m.-6:06 p.m.

1 stop10h 41m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 252

CalgaryChicago

YYC Calgary - ORD Chicago O'Hare Intl

YYCORD

Calgary

Mon 30/11

7:25 a.m.-6:05 p.m.

1 stop10h 40m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 253

CalgaryChicago

YYC Calgary - ORD Chicago O'Hare Intl

YYCORD

Calgary

Tue 9/3

6:25 a.m.-5:57 p.m.

1 stop11h 32m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 253

EdmontonChicago

YEG Edmonton - ORD Chicago O'Hare Intl

YEGORD

Edmonton

Sun 6/12

7:00 a.m.-10:24 a.m.

1 stop27h 24m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 256

TorontoChicago

YTZ Toronto Island - ORD Chicago O'Hare Intl

YTZORD

Toronto Island

Mon 11/1

4:35 p.m.-5:30 p.m.

Nonstop1h 55m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 257

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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, February is the cheapest month in which you can book a flight from Canada to Illinois (average of C$ 407). Flying from Canada to Illinois in November is currently the most expensive (average of C$ 530). 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?

When flying from Canada to Illinois, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 24% versus a flight at noon.

Weekly flight availability from Canada to Illinois

The most flights from CA0 to USIL are scheduled on a Monday (62 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (52 on average).

How far ahead should I book a flight from Canada to Illinois?

Booking 87 days in advance of your planned departure date is, on average, the best time to get cheap flights from Canada to Illinois. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Travelers seeking maximum savings on their Canada to Illinois flight should consider departing on Friday mornings 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.

Reviews of airlines servicing Illinois

Check out reviews from past customers who have flown with Porter Airlines,United Airlines, andWestJet from Canada to Illinois to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
467 reviews
Check prices

Comfort

8.0

Boarding

8.2

Entertainment

6.9

Crew

8.6

Overall

8.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
Porter Airlines
8.0
Very good
467 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Comfort

8.0

Boarding

8.2

Entertainment

6.9

Crew

8.6

Overall

8.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
United Airlines
7.3
Good
10,463 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Comfort

8.0

Boarding

8.2

Entertainment

6.9

Crew

8.6

Overall

8.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
WestJet
7.2
Good
3,441 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Comfort

8.0

Boarding

8.2

Entertainment

6.9

Crew

8.6

Overall

8.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
Air Canada
7.1
Good
11,859 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Comfort

8.0

Boarding

8.2

Entertainment

6.9

Crew

8.6

Overall

8.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
American Airlines
7.0
Good
12,231 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Comfort

8.0

Boarding

8.2

Entertainment

6.9

Crew

8.6

Overall

8.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.

Related info for your journey

  • How long is the flight from Canada to Illinois?

    Porter Airlines, Alaska Airlines, and Delta can get you from Canada to Illinois in just under 2h 05m. Your travel time can differ by up to 6h 37m. The distance between Canada and Illinois is about 716 km. When browsing for deals, the options you’ll see will be for both direct 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 WestJet (C$ 129), Air Canada (C$ 152), and Porter Airlines (C$ 152).

  • 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, February is the cheapest month in which you can book a flight from Canada to Illinois (average of C$ 407). Flying from Canada to Illinois in November is currently the most expensive (average of C$ 530). 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

Browse thousands of different options on Cheapflights for your next trip

Top 7 airlines flying from Canada to Illinois

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 135AverageC$ 646FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 143AverageC$ 387FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 189AverageC$ 627FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 202AverageC$ 443FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 229AverageC$ 445FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
American AirlinesCheapestC$ 243AverageC$ 517FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Alaska AirlinesCheapestC$ 392AverageC$ 552FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Canada to Illinois?

When you search for this flight from Canada to Illinois, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Canada to Illinois?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Canada to Illinois.

Can Cheapflights find flights from Canada to Illinois with no change fees?

Certainly. Search results for flights to Illinois from Canada 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 Canada to Illinois become cheaper?

Not ready to book yet? You can track prices for flights from Canada to Illinois on Cheapflights with our Price Alert feature and get notified when better prices are available.

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