How long is the flight from Canada to Illinois?

The average flight duration from Canada to Illinois depends on which airport you fly into and out of. Flying from Toronto Pearson Intl to Chicago O'Hare Intl is 1h 58m on average, while flying from Vancouver Intl to Chicago O'Hare Intl is 3h 09m on average. Chicago O'Hare Intl is the most popular airport in Illinois.

C$ 183 Cheap Flights to Illinois in 2026

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Recent flights found to popular cities in Illinois

Find flights to these popular cities in Illinois from your nearest airport.

Flights to Chicago

Search all flight deals to Chicago

Lufthansa

26 Sep

YYZ

2h 00m

ORD

27 Sep

ORD

1h 47m

YYZ

C$ 285

Air Canada

21 Oct

YTZ

2h 10m

ORD

28 Oct

ORD

1h 47m

YTZ

C$ 285

Multiple Airlines

25 Sep

YYZ

1h 58m

ORD

29 Sep

ORD

1h 45m

YYZ

C$ 286

Porter Airlines

13 Oct

YTZ

1h 50m

MDW

20 Oct

MDW

1h 40m

YTZ

C$ 286

Multiple Airlines

26 Sep

YYZ

2h 05m

ORD

27 Sep

ORD

5h 13m

1 stop

YYZ

C$ 288

Air Canada

27 Oct

YTZ

6h 07m

1 stop

ORD

28 Oct

ORD

6h 41m

1 stop

YTZ

C$ 288

Air Canada

2 Oct

YYZ

1h 55m

ORD

5 Oct

ORD

6h 18m

1 stop

YYZ

C$ 289

Porter Airlines

12 Oct

YTZ

1h 50m

MDW

14 Oct

MDW

1h 40m

YTZ

C$ 289

Porter Airlines

1 Nov

YTZ

2h 05m

ORD

5 Nov

ORD

1h 46m

YTZ

C$ 289

Air Canada

25 Sep

YYZ

1h 58m

ORD

27 Sep

ORD

1h 46m

YYZ

C$ 291

Multiple Airlines

24 Oct

YTZ

2h 10m

ORD

25 Oct

ORD

1h 46m

YTZ

C$ 291

Multiple Airlines

25 Sep

YYZ

2h 05m

ORD

27 Sep

ORD

6h 38m

1 stop

YYZ

C$ 292

Flights to Bloomington, Illinois

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Delta

28 Jan

YYZ

10h 01m

2 stops

BMI

30 Jan

BMI

7h 01m

1 stop

YYZ

C$ 754

Delta

26 Sep

YYZ

5h 07m

1 stop

BMI

3 Oct

BMI

6h 27m

1 stop

YYZ

C$ 755

Delta

3 Oct

YYZ

13h 16m

2 stops

BMI

10 Oct

BMI

9h 43m

2 stops

YYZ

C$ 757

Delta

28 Jan

YYZ

8h 31m

2 stops

BMI

30 Jan

BMI

12h 06m

2 stops

YYZ

C$ 758

Delta

22 Oct

YYZ

10h 44m

2 stops

BMI

25 Oct

BMI

5h 13m

1 stop

YYZ

C$ 775

Delta

28 Jan

YYZ

8h 31m

2 stops

BMI

30 Jan

BMI

12h 06m

2 stops

YYZ

C$ 778

Delta

28 Jan

YYZ

8h 31m

2 stops

BMI

30 Jan

BMI

12h 06m

2 stops

YYZ

C$ 779

WestJet

3 Oct

YYZ

11h 23m

1 stop

BMI

10 Oct

BMI

18h 53m

1 stop

YYZ

C$ 830

WestJet

28 Jan

YYZ

10h 01m

1 stop

BMI

30 Jan

BMI

7h 01m

1 stop

YYZ

C$ 831

WestJet

28 Jan

YYZ

10h 01m

1 stop

BMI

30 Jan

BMI

7h 01m

1 stop

YYZ

C$ 837

WestJet

28 Jan

YYZ

10h 01m

1 stop

BMI

30 Jan

BMI

7h 01m

1 stop

YYZ

C$ 851

WestJet

28 Jan

YYZ

10h 01m

1 stop

BMI

30 Jan

BMI

7h 01m

1 stop

YYZ

C$ 852

Flights to Decatur, Illinois

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United Airlines

27 Jan

YYC

21h 07m

2 stops

DEC

31 Jan

DEC

25h 23m

2 stops

YYC

C$ 667

United Airlines

27 Jan

YYC

27h 14m

1 stop

DEC

31 Jan

DEC

25h 23m

2 stops

YYC

C$ 668

United Airlines

27 Jan

YYC

18h 09m

1 stop

DEC

31 Jan

DEC

29h 02m

2 stops

YYC

C$ 671

United Airlines

2 Oct

YYC

35h 43m

2 stops

DEC

9 Oct

DEC

19h 35m

2 stops

YYC

C$ 787

United Airlines

27 Jan

YYC

18h 09m

1 stop

DEC

31 Jan

DEC

18h 40m

1 stop

YYC

C$ 798

United Airlines

27 Jan

YYC

18h 09m

1 stop

DEC

31 Jan

DEC

18h 40m

1 stop

YYC

C$ 826

Flights to Moline

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Delta

27 Jan

YYZ

13h 10m

2 stops

MLI

30 Jan

MLI

15h 31m

2 stops

YYZ

C$ 668

Delta

27 Jan

YYZ

13h 10m

2 stops

MLI

30 Jan

MLI

15h 31m

2 stops

YYZ

C$ 682

Delta

27 Jan

YYZ

13h 10m

2 stops

MLI

30 Jan

MLI

13h 33m

2 stops

YYZ

C$ 707

Delta

27 Jan

YYZ

13h 10m

2 stops

MLI

30 Jan

MLI

15h 31m

2 stops

YYZ

C$ 710

United Airlines

23 Sep

YYZ

4h 41m

1 stop

MLI

23 Sep

MLI

5h 09m

1 stop

YYZ

C$ 729

United Airlines

30 Sep

YYZ

5h 18m

1 stop

MLI

7 Oct

MLI

4h 09m

1 stop

YYZ

C$ 733

United Airlines

23 Sep

YYZ

9h 15m

2 stops

MLI

26 Sep

MLI

10h 24m

1 stop

YYZ

C$ 737

United Airlines

23 Sep

YYZ

4h 41m

1 stop

MLI

23 Sep

MLI

5h 09m

1 stop

YYZ

C$ 750

American Airlines

23 Sep

YYZ

5h 50m

1 stop

MLI

26 Sep

MLI

7h 57m

1 stop

YYZ

C$ 754

United Airlines

27 Jan

YYZ

7h 59m

1 stop

MLI

30 Jan

MLI

6h 43m

2 stops

YYZ

C$ 755

Delta

23 Sep

YYZ

13h 30m

2 stops

MLI

29 Sep

MLI

5h 19m

1 stop

YYZ

C$ 757

United Airlines

23 Sep

YYZ

6h 31m

1 stop

MLI

25 Sep

MLI

8h 31m

1 stop

YYZ

C$ 758

Find the cheapest flights from Canada to Illinois

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Canada to Illinois

Enter your travel dates to find the best prices.

6:50 p.m. - 7:48 p.m.YYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

1h 58mdirect

3:45 p.m. - 6:31 p.m.ORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

1h 46mdirect

C$ 285Air Canada

Fri, 16 Oct - Tue, 20 Oct

11:00 a.m. - 12:00 p.m.YYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

2h 00mdirect

12:59 p.m. - 3:46 p.m.ORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

1h 47mdirect

C$ 285Lufthansa

Sat, 26 Sep - Sun, 27 Sep

12:15 p.m. - 1:25 p.m.YTZ Toronto Island-ORD Chicago O'Hare Intl

2h 10mdirect

1:55 p.m. - 4:42 p.m.ORD Chicago O'Hare Intl-YTZ Toronto Island

1h 47mdirect

C$ 285Air Canada

Wed, 21 Oct - Wed, 28 Oct

11:00 a.m. - 12:00 p.m.YYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

2h 00mdirect

9:20 p.m. - 11:59 p.m.ORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

1h 39mdirect

C$ 285Lufthansa

Thu, 1 Oct - Sun, 4 Oct

1:45 p.m. - 2:35 p.m.YTZ Toronto Island-MDW Chicago Midway

1h 50mdirect

3:20 p.m. - 6:00 p.m.MDW Chicago Midway-YTZ Toronto Island

1h 40mdirect

C$ 286Porter Airlines

Wed, 14 Oct - Mon, 19 Oct

1:45 p.m. - 2:35 p.m.YTZ Toronto Island-MDW Chicago Midway

1h 50mdirect

3:20 p.m. - 6:00 p.m.MDW Chicago Midway-YTZ Toronto Island

1h 40mdirect

C$ 286Porter Airlines

Mon, 12 Oct - Mon, 19 Oct

6:00 a.m. - 12:22 p.m.YYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

7h 22m1 stop Charlotte Douglas

9:46 a.m. - 12:34 p.m.ORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

1h 48mdirect

C$ 291American Airlines

Thu, 15 Oct - Sun, 18 Oct

7:00 a.m. - 2:14 p.m.YYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

8h 14m1 stop New York LaGuardia

11:45 a.m. - 2:34 p.m.ORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

1h 49mdirect

C$ 291American Airlines

Wed, 11 Nov - Sun, 15 Nov

10:15 a.m. - 11:21 a.m.YYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

2h 06mdirect

4:00 p.m. - 10:23 p.m.ORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

5h 23m1 stop Newark

C$ 293United Airlines

Fri, 2 Oct - Mon, 5 Oct

7:00 a.m. - 8:00 a.m.YYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

2h 00mdirect

6:00 a.m. - 11:43 a.m.ORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

4h 43m1 stop Newark

C$ 295United Airlines

Fri, 2 Oct - Mon, 5 Oct

Recent last minute flight deals from Canada to Illinois

Enter your travel dates to find the best prices.

7:00 a.m. - 11:29 a.m.YYC Calgary-ORD Chicago O'Hare Intl

3h 29mdirect

8:30 p.m. - 11:29 p.m.ORD Chicago O'Hare Intl-YYC Calgary

3h 59mdirect

C$ 389American Airlines

Thu, 10 Sep - Mon, 14 Sep

6:35 a.m. - 8:30 p.m.YYC Calgary-ORD Chicago O'Hare Intl

12h 55m2 stops Minneapolis St Paul Detroit Metropolitan Wayne County

2:05 p.m. - 11:06 p.m.ORD Chicago O'Hare Intl-YYC Calgary

10h 01m1 stop Salt Lake City

C$ 396Delta

Wed, 9 Sep - Wed, 16 Sep

8:30 a.m. - 1:05 p.m.YYC Calgary-ORD Chicago O'Hare Intl

3h 35mdirect

5:55 a.m. - 9:48 p.m.ORD Chicago O'Hare Intl-YYC Calgary

16h 53m1 stop Denver Intl

C$ 398United Airlines

Wed, 9 Sep - Wed, 16 Sep

12:33 p.m. - 5:05 p.m.YYC Calgary-ORD Chicago O'Hare Intl

3h 32mdirect

7:45 p.m. - 10:35 p.m.ORD Chicago O'Hare Intl-YYC Calgary

3h 50mdirect

C$ 401United Airlines

Fri, 11 Sep - Thu, 17 Sep

6:00 a.m. - 11:59 p.m.YYC Calgary-ORD Chicago O'Hare Intl

16h 59m1 stop Denver Intl

5:35 p.m. - 1:17 a.m.ORD Chicago O'Hare Intl-YYC Calgary

8h 42m1 stop Toronto Pearson Intl

C$ 404Multiple Airlines

Sat, 12 Sep - Mon, 14 Sep

6:35 a.m. - 8:30 p.m.YYC Calgary-ORD Chicago O'Hare Intl

12h 55m2 stops Minneapolis St Paul Detroit Metropolitan Wayne County

2:05 p.m. - 11:06 p.m.ORD Chicago O'Hare Intl-YYC Calgary

10h 01m1 stop Salt Lake City

C$ 418Delta

Sat, 12 Sep - Mon, 14 Sep

6:50 p.m. - 7:48 p.m.YYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

1h 58mdirect

3:45 p.m. - 6:31 p.m.ORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

1h 46mdirect

C$ 422Air Canada

Sat, 12 Sep - Sat, 10 Oct

8:05 a.m. - 9:00 a.m.YYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

1h 55mdirect

9:55 a.m. - 12:40 p.m.ORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

1h 45mdirect

C$ 423Air Canada

Sat, 12 Sep - Wed, 7 Oct

8:30 a.m. - 1:05 p.m.YYC Calgary-ORD Chicago O'Hare Intl

3h 35mdirect

8:43 a.m. - 11:31 a.m.ORD Chicago O'Hare Intl-YYC Calgary

3h 48mdirect

C$ 451Lufthansa

Tue, 8 Sep - Fri, 11 Sep

8:00 a.m. - 2:09 p.m.YYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

7h 09m1 stop Philadelphia

12:05 p.m. - 6:30 p.m.ORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

5h 25m1 stop Charlotte Douglas

C$ 457American Airlines

Sat, 12 Sep - Sat, 10 Oct

Recent direct flight deals from Canada to Illinois

Enter your travel dates to find the best prices.

6:50 p.m. - 7:48 p.m.YYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

1h 58mdirect

3:45 p.m. - 6:31 p.m.ORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

1h 46mdirect

C$ 285Air Canada

Fri, 16 Oct - Tue, 20 Oct

11:00 a.m. - 12:00 p.m.YYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

2h 00mdirect

9:20 p.m. - 11:59 p.m.ORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

1h 39mdirect

C$ 285Lufthansa

Thu, 1 Oct - Sun, 4 Oct

12:15 p.m. - 1:25 p.m.YTZ Toronto Island-ORD Chicago O'Hare Intl

2h 10mdirect

1:55 p.m. - 4:42 p.m.ORD Chicago O'Hare Intl-YTZ Toronto Island

1h 47mdirect

C$ 285Air Canada

Wed, 21 Oct - Wed, 28 Oct

11:00 a.m. - 12:00 p.m.YYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

2h 00mdirect

12:59 p.m. - 3:46 p.m.ORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

1h 47mdirect

C$ 285Lufthansa

Sat, 26 Sep - Sun, 27 Sep

1:45 p.m. - 2:35 p.m.YTZ Toronto Island-MDW Chicago Midway

1h 50mdirect

3:20 p.m. - 6:00 p.m.MDW Chicago Midway-YTZ Toronto Island

1h 40mdirect

C$ 286Porter Airlines

Wed, 14 Oct - Mon, 19 Oct

1:45 p.m. - 2:35 p.m.YTZ Toronto Island-MDW Chicago Midway

1h 50mdirect

3:20 p.m. - 6:00 p.m.MDW Chicago Midway-YTZ Toronto Island

1h 40mdirect

C$ 286Porter Airlines

Mon, 12 Oct - Mon, 19 Oct

7:09 a.m. - 8:39 a.m.YYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

2h 30mdirect

8:45 p.m. - 11:46 p.m.ORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

2h 01mdirect

C$ 309American Airlines

Sun, 29 Nov - Thu, 3 Dec

11:36 a.m. - 1:01 p.m.YYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

2h 25mdirect

9:42 a.m. - 12:32 p.m.ORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

1h 50mdirect

C$ 310American Airlines

Sat, 7 Nov - Wed, 11 Nov

8:50 a.m. - 9:48 a.m.YYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

1h 58mdirect

12:59 p.m. - 3:46 p.m.ORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

1h 47mdirect

C$ 320United Airlines

Thu, 8 Oct - Sun, 11 Oct

8:50 a.m. - 9:48 a.m.YYZ Toronto Pearson Intl-ORD Chicago O'Hare Intl

1h 58mdirect

12:59 p.m. - 3:46 p.m.ORD Chicago O'Hare Intl-YYZ Toronto Pearson Intl

1h 47mdirect

C$ 320United Airlines

Thu, 8 Oct - Sun, 11 Oct

Fly from

Route

Depart

Return

Price

Cheapest round-trip

TorontoChicago

YYZ Toronto Pearson Intl - ORD Chicago O'Hare Intl

YYZORD

Toronto Pearson Intl

Fri 16/10

6:50 p.m.-7:48 p.m.

Nonstop1h 58m

Chicago O'Hare Intl

Tue 20/10

3:45 p.m.-6:31 p.m.

Nonstop1h 46m

C$ 285

TorontoChicago

YYZ Toronto Pearson Intl - ORD Chicago O'Hare Intl

YYZORD

Toronto Pearson Intl

Sat 26/9

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

Nonstop2h 00m

Chicago O'Hare Intl

Sun 27/9

12:59 p.m.-3:46 p.m.

Nonstop1h 47m

C$ 285

TorontoChicago

YTZ Toronto Island - ORD Chicago O'Hare Intl

YTZORD

Toronto Island

Wed 21/10

12:15 p.m.-1:25 p.m.

Nonstop2h 10m

Chicago O'Hare Intl

Wed 28/10

1:55 p.m.-4:42 p.m.

Nonstop1h 47m

C$ 285

TorontoChicago

YYZ Toronto Pearson Intl - ORD Chicago O'Hare Intl

YYZORD

Toronto Pearson Intl

Thu 1/10

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

Nonstop2h 00m

Chicago O'Hare Intl

Sun 4/10

9:20 p.m.-11:59 p.m.

Nonstop1h 39m

C$ 285

Quickest round-trip

TorontoChicago

YTZ Toronto Island - MDW Chicago Midway

YTZMDW

Toronto Island

Wed 14/10

1:45 p.m.-2:35 p.m.

Nonstop1h 50m

Chicago Midway

Mon 19/10

3:20 p.m.-6:00 p.m.

Nonstop1h 40m

C$ 286

TorontoChicago

YTZ Toronto Island - MDW Chicago Midway

YTZMDW

Toronto Island

Mon 12/10

1:45 p.m.-2:35 p.m.

Nonstop1h 50m

Chicago Midway

Mon 19/10

3:20 p.m.-6:00 p.m.

Nonstop1h 40m

C$ 286

TorontoChicago

YYZ Toronto Pearson Intl - ORD Chicago O'Hare Intl

YYZORD

Toronto Pearson Intl

Thu 15/10

6:00 a.m.-12:22 p.m.

1 stop7h 22m

Chicago O'Hare Intl

Sun 18/10

9:46 a.m.-12:34 p.m.

Nonstop1h 48m

C$ 291

TorontoChicago

YYZ Toronto Pearson Intl - ORD Chicago O'Hare Intl

YYZORD

Toronto Pearson Intl

Wed 11/11

7:00 a.m.-2:14 p.m.

1 stop8h 14m

Chicago O'Hare Intl

Sun 15/11

11:45 a.m.-2:34 p.m.

Nonstop1h 49m

C$ 291

TorontoChicago

YYZ Toronto Pearson Intl - ORD Chicago O'Hare Intl

YYZORD

Toronto Pearson Intl

Fri 2/10

10:15 a.m.-11:21 a.m.

Nonstop2h 06m

Chicago O'Hare Intl

Mon 5/10

4:00 p.m.-10:23 p.m.

1 stop5h 23m

C$ 293

TorontoChicago

YYZ Toronto Pearson Intl - ORD Chicago O'Hare Intl

YYZORD

Toronto Pearson Intl

Fri 2/10

7:00 a.m.-8:00 a.m.

Nonstop2h 00m

Chicago O'Hare Intl

Mon 5/10

6:00 a.m.-11:43 a.m.

1 stop4h 43m

C$ 295

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Illinois flights insights and trends

Explore insights for your Illinois flight to craft the best travel plan

Prices

Airlines

Other information

What is the cheapest flight I can find to Illinois?

The average flight to Illinois costs C$ 1,012/per person and the cheapest flight to Illinois is C$ 81/per person. This price varies based on a multitude of factors such as departure airport, airline, time of booking and when you plan on travelling.

See prices from:

What is the cheapest day to depart on your flight to Illinois?

According to our data, Friday is the cheapest day to fly to Illinois from Canada. The lowest ticket price found for a Friday departure recently was C$ 680. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Illinois is Sunday, with ticket prices averaging around C$ 960.

Cheapest flights to cities in Illinois

Click on the cities below to find out when it's cheapest to fly to Illinois, from Canada

Chicago

Find flights to Chicago

Cheap Illinois flight deals and tips

Summary info about Illinois flight prices, duration and airlines

Best One-Way Price	C$ 183
Best Round-Trip Price	C$ 285
Fastest flight time	1h 50m

The best one-way flight price to Illinois from Canada in the last 5 days is C$ 183 (Toronto Pearson Intl to Chicago O'Hare Intl).

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The best round-trip flight price to Illinois from Canada in the last 5 days is C$ 285 (Toronto Pearson Intl to Chicago O'Hare Intl).

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The fastest flight to Illinois from Canada takes 1h 50m (Toronto Island to Chicago Midway).

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Frequently asked questions about flying to Illinois

What is the best airport to fly into to visit Chicago?

The majority of momondo users who fly to Illinois tend to spend time in Chicago, which is visited 100% more often than other cities. When flying to Chicago, the most popular airport to fly into is Chicago O'Hare Intl Airport.

I plan on visiting Magnificent Mile. Which airport is the quickest drive?

Magnificent Mile is closest to Chicago O'Hare Intl Airport. Those looking for an alternative airport option near Magnificent Mile could try flying into Chicago Midway Airport.

What are the most popular landmarks in Illinois?

The most often visited landmarks in Illinois are Magnificent Mile, River North, and Grant Park, among many others that can be found in the area.

What is the weather like in Illinois?

Illinois typically has a temperature range from -5 °C(January) to 23 °C(July). Those looking to avoid rain and/or snow while visiting Illinois should plan their trip in January, February, or December, as these months are relatively less likely to have precipitation.

Which airlines fly to Illinois?

Air Canada is the most popular airline offering flights to Illinois, with 59% of our users opting to fly with them when travelling to Illinois. Other popular options include United Airlines and Porter Airlines. There are a total of 6 different airlines flying to Illinois.

How much are flights to Illinois?

Flights to Illinois have been found on momondo for as low as C$ 153 per ticket recently. However, the average price tends to be C$ 1,520 and anything for C$ 1,127 or less is a good deal. C$ 23,003 is the most expensive flight we’ve seen in the past week, though you may be able to avoid this price depending on what airport you fly from, what airline you choose, and how far in advance you book your flights.

What is the best day of the week to fly to Illinois?

If your travel plans are flexible and you’re looking to save money on flights to Illinois, then be sure to book your departure on a Friday. Flying out on a Friday, as well as a Saturday, is your best option. Departing on a Sunday tends to be the most expensive day of the week to fly to Illinois.

When did momondo last update prices for flights to Illinois?

Prices for flights to Illinois refresh daily.

How many operators does momondo search for flights to Illinois?

There are 6 operators available for flights to Illinois as of September 2026.

How old do you have to be to fly to Illinois?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Illinois.

What documentation or ID do you need to fly to Illinois?

The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal to Illinois?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois.

Can I find flights to Illinois with flexible booking policies on momondo?

Flights to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights to Illinois?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as filter your options to help you make an informed choice when booking flights to Illinois.

I’m not ready to book a flight to Illinois right now. Can momondo alert me if prices change?

If you are not ready to book a flight to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert; this is where momondo will track prices on flights to Illinois and let you know when they change.