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Cheap flights from Calgary to Illinois from C$ 240

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Calgary to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
9:07 a.m. - 4:31 p.m.YYC  Calgary-ORD Chicago O'Hare Intl
7h 24m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:00 a.m. - 9:37 p.m.ORD  Chicago O'Hare Intl-YYC Calgary
15h 37m1 stop Seattle/Tacoma Intl
C$ 422Alaska Airlines
Fri, 11 Dec - Sun, 13 Dec
Alaska Airlines Logo
9:07 a.m. - 4:31 p.m.YYC  Calgary-ORD Chicago O'Hare Intl
7h 24m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:00 a.m. - 9:37 p.m.ORD  Chicago O'Hare Intl-YYC Calgary
15h 37m1 stop Seattle/Tacoma Intl
C$ 422Alaska Airlines
Fri, 4 Dec - Sun, 6 Dec
Delta Logo
7:45 a.m. - 4:49 p.m.YYC  Calgary-ORD Chicago O'Hare Intl
8h 04m1 stop Minneapolis St Paul
Delta Logo
1:55 p.m. - 11:13 p.m.ORD  Chicago O'Hare Intl-YYC Calgary
10h 18m1 stop Salt Lake City
C$ 425Delta
Thu, 1 Apr - Tue, 6 Apr
Delta Logo
7:15 a.m. - 6:09 p.m.YYC  Calgary-ORD Chicago O'Hare Intl
10h 54m1 stop Salt Lake City
Delta Logo
1:45 p.m. - 12:23 a.m.ORD  Chicago O'Hare Intl-YYC Calgary
10h 38m2 stops Detroit Metropolitan Wayne County Salt Lake City
C$ 425Delta
Fri, 8 Jan - Sun, 10 Jan
United Airlines Logo
1:37 p.m. - 5:10 p.m.YYC  Calgary-ORD Chicago O'Hare Intl
3h 33mdirect
United Airlines Logo
12:29 p.m. - 10:53 p.m.ORD  Chicago O'Hare Intl-YYC Calgary
10h 24m1 stop Denver Intl
C$ 446United Airlines
Thu, 3 Dec - Tue, 8 Dec
United Airlines Logo
1:37 p.m. - 5:10 p.m.YYC  Calgary-ORD Chicago O'Hare Intl
3h 33mdirect
United Airlines Logo
7:00 a.m. - 10:53 p.m.ORD  Chicago O'Hare Intl-YYC Calgary
15h 53m1 stop Denver Intl
C$ 461United Airlines
Thu, 10 Dec - Sat, 12 Dec
Air Canada Logo
7:00 a.m. - 3:38 p.m.YYC  Calgary-ORD Chicago O'Hare Intl
8h 38m1 stop Toronto Pearson Intl
Air Canada Logo
3:50 p.m. - 12:50 a.m.ORD  Chicago O'Hare Intl-YYC Calgary
9h 00m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 463Air Canada
Fri, 20 Nov - Mon, 23 Nov
Air Canada Logo
1:20 a.m. - 9:23 a.m.YYC  Calgary-ORD Chicago O'Hare Intl
8h 03m1 stop Toronto Pearson Intl
Air Canada Logo
4:30 p.m. - 12:21 a.m.ORD  Chicago O'Hare Intl-YYC Calgary
7h 51m1 stop Toronto Pearson Intl
C$ 470Air Canada
Wed, 25 Nov - Fri, 4 Dec
Porter Airlines Logo
2:29 p.m. - 7:25 p.m.YYC  Calgary-ORD Chicago O'Hare Intl
3h 56mdirect
Porter Airlines Logo
10:51 a.m. - 1:44 p.m.ORD  Chicago O'Hare Intl-YYC Calgary
3h 53mdirect
C$ 555Porter Airlines
Thu, 1 Apr - Sun, 4 Apr
Porter Airlines Logo
2:29 p.m. - 7:25 p.m.YYC  Calgary-ORD Chicago O'Hare Intl
3h 56mdirect
Porter Airlines Logo
10:51 a.m. - 1:44 p.m.ORD  Chicago O'Hare Intl-YYC Calgary
3h 53mdirect
C$ 566Porter Airlines
Fri, 26 Mar - Sat, 3 Apr

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United Airlines flights from Calgary to Illinois

Our best United Airlines deals on Calgary to Illinois flight tickets
United Airlines
3 Dec
YYC1:37 p.m.Calgary
3h 33m
ORD5:10 p.m.Chicago O'Hare Intl
8 Dec
ORD12:29 p.m.Chicago O'Hare Intl
10h 24m
1 stop
YYC10:53 p.m.Calgary
C$ 446
United Airlines
11 Dec
YYC1:37 p.m.Calgary
3h 33m
ORD5:10 p.m.Chicago O'Hare Intl
13 Dec
ORD7:00 a.m.Chicago O'Hare Intl
15h 53m
1 stop
YYC10:53 p.m.Calgary
C$ 463
United Airlines
3 Dec
YYC1:37 p.m.Calgary
3h 33m
ORD5:10 p.m.Chicago O'Hare Intl
8 Dec
ORD12:29 p.m.Chicago O'Hare Intl
10h 24m
1 stop
YYC10:53 p.m.Calgary
C$ 478

Alaska Airlines flights from Calgary to Illinois

Our best Alaska Airlines deals on Calgary to Illinois flight tickets
Alaska Airlines
4 Dec
YYC9:07 a.m.Calgary
8h 42m
1 stop
ORD5:49 p.m.Chicago O'Hare Intl
7 Dec
ORD6:47 p.m.Chicago O'Hare Intl
26h 50m
1 stop
YYC9:37 p.m.Calgary
C$ 422
Alaska Airlines
16 Nov
YYC9:09 a.m.Calgary
28h 00m
2 stops
ORD1:09 p.m.Chicago O'Hare Intl
18 Nov
ORD7:00 a.m.Chicago O'Hare Intl
14h 39m
1 stop
YYC9:39 p.m.Calgary
C$ 435
Alaska Airlines
2 Dec
YYC9:07 a.m.Calgary
7h 24m
1 stop
ORD4:31 p.m.Chicago O'Hare Intl
11 Dec
ORD6:47 p.m.Chicago O'Hare Intl
26h 50m
1 stop
YYC9:37 p.m.Calgary
C$ 439

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CalgaryChicago

YYC Calgary - ORD Chicago O'Hare Intl

YYCORD

Calgary

Fri 11/12

9:07 a.m.-4:31 p.m.

1 stop7h 24m

Chicago O'Hare Intl

Sun 13/12

6:00 a.m.-9:37 p.m.

1 stop15h 37m

C$ 422

CalgaryChicago

YYC Calgary - ORD Chicago O'Hare Intl

YYCORD

Calgary

Fri 4/12

9:07 a.m.-4:31 p.m.

1 stop7h 24m

Chicago O'Hare Intl

Sun 6/12

6:00 a.m.-9:37 p.m.

1 stop15h 37m

C$ 422

CalgaryChicago

YYC Calgary - ORD Chicago O'Hare Intl

YYCORD

Calgary

Thu 1/4

7:45 a.m.-4:49 p.m.

1 stop8h 04m

Chicago O'Hare Intl

Tue 6/4

1:55 p.m.-11:13 p.m.

1 stop10h 18m

C$ 425

CalgaryChicago

YYC Calgary - ORD Chicago O'Hare Intl

YYCORD

Calgary

Fri 8/1

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

1 stop10h 54m

Chicago O'Hare Intl

Sun 10/1

1:45 p.m.-12:23 a.m.

2 stops10h 38m

C$ 425

CalgaryChicago

YYC Calgary - ORD Chicago O'Hare Intl

YYCORD

Calgary

Thu 3/12

1:37 p.m.-5:10 p.m.

Nonstop3h 33m

Chicago O'Hare Intl

Tue 8/12

12:29 p.m.-10:53 p.m.

1 stop10h 24m

C$ 446

CalgaryChicago

YYC Calgary - ORD Chicago O'Hare Intl

YYCORD

Calgary

Thu 10/12

1:37 p.m.-5:10 p.m.

Nonstop3h 33m

Chicago O'Hare Intl

Sat 12/12

7:00 a.m.-10:53 p.m.

1 stop15h 53m

C$ 461

CalgaryChicago

YYC Calgary - ORD Chicago O'Hare Intl

YYCORD

Calgary

Fri 20/11

7:00 a.m.-3:38 p.m.

1 stop8h 38m

Chicago O'Hare Intl

Mon 23/11

3:50 p.m.-12:50 a.m.

1 stop9h 00m

C$ 463

CalgaryChicago

YYC Calgary - ORD Chicago O'Hare Intl

YYCORD

Calgary

Wed 25/11

1:20 a.m.-9:23 a.m.

1 stop8h 03m

Chicago O'Hare Intl

Fri 4/12

4:30 p.m.-12:21 a.m.

1 stop7h 51m

C$ 470
Quickest round-trip

CalgaryChicago

YYC Calgary - ORD Chicago O'Hare Intl

YYCORD

Calgary

Thu 1/4

2:29 p.m.-7:25 p.m.

Nonstop3h 56m

Chicago O'Hare Intl

Sun 4/4

10:51 a.m.-1:44 p.m.

Nonstop3h 53m

C$ 555

CalgaryChicago

YYC Calgary - ORD Chicago O'Hare Intl

YYCORD

Calgary

Fri 26/3

2:29 p.m.-7:25 p.m.

Nonstop3h 56m

Chicago O'Hare Intl

Sat 3/4

10:51 a.m.-1:44 p.m.

Nonstop3h 53m

C$ 566

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from Calgary to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Illinois?

In general, May is the cheapest month to fly from Calgary to Illinois. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 363. If you don’t want to visit Illinois in May, then you should wait until February to fly from Calgary, when ticket prices are also cheap, with an average price of C$ 375.

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 Calgary. The lowest ticket price found for a Friday departure recently was C$ 629. 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$ 1,104.

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

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Calgary to Illinois during this time can be as low as C$ 531. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 996 on average. Flights to Illinois from Calgary at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Calgary to Illinois flight route?

Fly from Calgary to Chicago O'Hare Intl for the best Calgary - Illinois flight prices

How far in advance should I book a flight from Calgary to Illinois?

You are more likely to see cheaper flights to Illinois from Calgary when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around C$ 478 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Calgary for as low as C$ 313 on momondo.

What cabin class options are available on Calgary to Illinois flights?

There are 4 cabin classes available to choose from on Calgary to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Calgary to Illinois flights?

You could potentially save up to 22% on your flight if you consider stops on a Calgary to Illinois flight.

Cheap Calgary to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Calgary to Illinois

Best price found

C$ 240

Fastest flight time

3h 20m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Calgary in the past 72 hours is C$ 240. The best round-trip flight deal from Calgary to Illinois found on momondo in the last 72 hours is C$ 422.
The fastest flight from Calgary to Illinois takes 3h 20m
Direct flights go from Calgary to Illinois every day.
There are 98 airports in Illinois. From Calgary there are direct flights to Chicago O'Hare Intl (ORD).
Search flight deals

Frequently asked questions about flying from Calgary to Illinois

  • When did momondo last update prices for flights from Calgary Airport to Illinois?

    Prices for flights from Calgary Airport to Illinois were last updated today.

  • How many operators does momondo search for flights from Calgary Airport to Illinois?

  • How old do you have to be to fly from Calgary Airport 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 from Calgary Airport to Illinois.

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

    The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Calgary to Illinois?

Best airlines flying from Calgary to Illinois

Compare and see reviews for airlines that fly from Calgary to Illinois with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom C$ 143Free CancellationRating
7.8
8,698 reviews
Search Delta flights
Air CanadaPriceFrom C$ 186Free CancellationRating
7.1
11,854 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 189Free CancellationRating
7.3
10,461 reviews
Search United Airlines flights
WestJetPriceFrom C$ 228Free CancellationRating
7.2
3,441 reviews
Search WestJet flights
American AirlinesPriceFrom C$ 243Free CancellationRating
7.0
12,234 reviews
Search American Airlines flights
Porter AirlinesPriceFrom C$ 263Free CancellationRating
8.0
467 reviews
Search Porter Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Calgary to Illinois . Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Illinois from Calgary which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Calgary to Illinois?

Once all potential Calgary to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Calgary to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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