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Cheap flights from Calgary to Illinois from $176

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 am - 4:31 pmYYC  Calgary-ORD Chicago O'Hare Intl
7h 24m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:00 am - 9:37 pmORD  Chicago O'Hare Intl-YYC Calgary
15h 37m1 stop Seattle/Tacoma Intl
$302Alaska Airlines
Fri, Dec 11 - Sun, Dec 13
Alaska Airlines Logo
9:07 am - 5:49 pmYYC  Calgary-ORD Chicago O'Hare Intl
8h 42m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:47 pm - 9:37 pmORD  Chicago O'Hare Intl-YYC Calgary
26h 50m1 stop Seattle/Tacoma Intl
$302Alaska Airlines
Fri, Dec 4 - Mon, Dec 7
Delta Logo
1:43 pm - 9:56 pmYYC  Calgary-ORD Chicago O'Hare Intl
8h 13m1 stop Salt Lake City
Delta Logo
2:41 pm - 12:21 amORD  Chicago O'Hare Intl-YYC Calgary
9h 40m2 stops Detroit Metropolitan Wayne County Salt Lake City
$304Delta
Thu, Dec 3 - Mon, Dec 7
Delta Logo
7:25 am - 6:05 pmYYC  Calgary-ORD Chicago O'Hare Intl
10h 40m1 stop Salt Lake City
Delta Logo
2:04 pm - 12:21 amORD  Chicago O'Hare Intl-YYC Calgary
10h 17m1 stop Salt Lake City
$304Delta
Sun, Nov 22 - Mon, Dec 7
United Airlines Logo
1:37 pm - 5:10 pmYYC  Calgary-ORD Chicago O'Hare Intl
3h 33mnonstop
United Airlines Logo
12:29 pm - 10:53 pmORD  Chicago O'Hare Intl-YYC Calgary
10h 24m1 stop Denver Intl
$319United Airlines
Thu, Dec 3 - Tue, Dec 8
United Airlines Logo
1:37 pm - 5:10 pmYYC  Calgary-ORD Chicago O'Hare Intl
3h 33mnonstop
United Airlines Logo
7:00 am - 10:53 pmORD  Chicago O'Hare Intl-YYC Calgary
15h 53m1 stop Denver Intl
$330United Airlines
Thu, Dec 10 - Sat, Dec 12
Air Canada Logo
7:00 am - 3:38 pmYYC  Calgary-ORD Chicago O'Hare Intl
8h 38m1 stop Toronto Pearson Intl
Air Canada Logo
3:50 pm - 12:50 amORD  Chicago O'Hare Intl-YYC Calgary
9h 00m1 stop Montreal Pierre Elliott Trudeau Intl
$331Air Canada
Fri, Nov 20 - Mon, Nov 23
Air Canada Logo
1:20 am - 9:23 amYYC  Calgary-ORD Chicago O'Hare Intl
8h 03m1 stop Toronto Pearson Intl
Air Canada Logo
4:30 pm - 12:06 amORD  Chicago O'Hare Intl-YYC Calgary
7h 36m1 stop Toronto Pearson Intl
$336Air Canada
Wed, Nov 25 - Mon, Nov 30
American Airlines Logo
3:29 pm - 7:25 pmYYC  Calgary-ORD Chicago O'Hare Intl
3h 56mnonstop
American Airlines Logo
10:51 am - 2:44 pmORD  Chicago O'Hare Intl-YYC Calgary
3h 53mnonstop
$410American Airlines
Thu, Feb 25 - Sun, Feb 28
American Airlines Logo
2:52 pm - 6:39 pmYYC  Calgary-ORD Chicago O'Hare Intl
3h 47mnonstop
American Airlines Logo
9:50 am - 1:54 pmORD  Chicago O'Hare Intl-YYC Calgary
4h 04mnonstop
$420American Airlines
Fri, Jan 22 - Sun, Jan 24

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United Airlines flights from Calgary to Illinois

Our best United Airlines deals on Calgary to Illinois flight tickets
United Airlines
Dec 3
YYC1:37 pmCalgary
3h 33m
ORD5:10 pmChicago O'Hare Intl
Dec 8
ORD12:29 pmChicago O'Hare Intl
10h 24m
1 stop
YYC10:53 pmCalgary
$319
United Airlines
Dec 11
YYC1:37 pmCalgary
3h 33m
ORD5:10 pmChicago O'Hare Intl
Dec 13
ORD7:00 amChicago O'Hare Intl
15h 53m
1 stop
YYC10:53 pmCalgary
$331
United Airlines
Dec 3
YYC1:37 pmCalgary
3h 33m
ORD5:10 pmChicago O'Hare Intl
Dec 8
ORD12:29 pmChicago O'Hare Intl
10h 24m
1 stop
YYC10:53 pmCalgary
$342

Alaska Airlines flights from Calgary to Illinois

Our best Alaska Airlines deals on Calgary to Illinois flight tickets
Alaska Airlines
Dec 4
YYC9:07 amCalgary
8h 42m
1 stop
ORD5:49 pmChicago O'Hare Intl
Dec 7
ORD6:47 pmChicago O'Hare Intl
26h 50m
1 stop
YYC9:37 pmCalgary
$302
Alaska Airlines
Nov 16
YYC9:09 amCalgary
28h 00m
2 stops
ORD1:09 pmChicago O'Hare Intl
Nov 18
ORD7:00 amChicago O'Hare Intl
14h 39m
1 stop
YYC9:39 pmCalgary
$311
Alaska Airlines
Dec 2
YYC9:07 amCalgary
7h 24m
1 stop
ORD4:31 pmChicago O'Hare Intl
Dec 11
ORD6:47 pmChicago O'Hare Intl
26h 50m
1 stop
YYC9:37 pmCalgary
$314

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 12/11

9:07 am-4:31 pm

1 stop7h 24m

Chicago O'Hare Intl

Sun 12/13

6:00 am-9:37 pm

1 stop15h 37m

$302

CalgaryChicago

YYC Calgary - ORD Chicago O'Hare Intl

YYCORD

Calgary

Fri 12/4

9:07 am-5:49 pm

1 stop8h 42m

Chicago O'Hare Intl

Mon 12/7

6:47 pm-9:37 pm

1 stop26h 50m

$302

CalgaryChicago

YYC Calgary - ORD Chicago O'Hare Intl

YYCORD

Calgary

Thu 12/3

1:43 pm-9:56 pm

1 stop8h 13m

Chicago O'Hare Intl

Mon 12/7

2:41 pm-12:21 am

2 stops9h 40m

$304

CalgaryChicago

YYC Calgary - ORD Chicago O'Hare Intl

YYCORD

Calgary

Sun 11/22

7:25 am-6:05 pm

1 stop10h 40m

Chicago O'Hare Intl

Mon 12/7

2:04 pm-12:21 am

1 stop10h 17m

$304

CalgaryChicago

YYC Calgary - ORD Chicago O'Hare Intl

YYCORD

Calgary

Thu 12/3

1:37 pm-5:10 pm

Nonstop3h 33m

Chicago O'Hare Intl

Tue 12/8

12:29 pm-10:53 pm

1 stop10h 24m

$319

CalgaryChicago

YYC Calgary - ORD Chicago O'Hare Intl

YYCORD

Calgary

Thu 12/10

1:37 pm-5:10 pm

Nonstop3h 33m

Chicago O'Hare Intl

Sat 12/12

7:00 am-10:53 pm

1 stop15h 53m

$330

CalgaryChicago

YYC Calgary - ORD Chicago O'Hare Intl

YYCORD

Calgary

Fri 11/20

7:00 am-3:38 pm

1 stop8h 38m

Chicago O'Hare Intl

Mon 11/23

3:50 pm-12:50 am

1 stop9h 00m

$331

CalgaryChicago

YYC Calgary - ORD Chicago O'Hare Intl

YYCORD

Calgary

Wed 11/25

1:20 am-9:23 am

1 stop8h 03m

Chicago O'Hare Intl

Mon 11/30

4:30 pm-12:06 am

1 stop7h 36m

$336
Quickest round-trip

CalgaryChicago

YYC Calgary - ORD Chicago O'Hare Intl

YYCORD

Calgary

Thu 2/25

3:29 pm-7:25 pm

Nonstop3h 56m

Chicago O'Hare Intl

Sun 2/28

10:51 am-2:44 pm

Nonstop3h 53m

$410

CalgaryChicago

YYC Calgary - ORD Chicago O'Hare Intl

YYCORD

Calgary

Fri 1/22

2:52 pm-6:39 pm

Nonstop3h 47m

Chicago O'Hare Intl

Sun 1/24

9:50 am-1:54 pm

Nonstop4h 04m

$420

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?

The cheapest month to fly to Illinois from Calgary is in May. Flight prices, which tend to average around $260, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of May, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $268.

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

The cheapest day to depart from Calgary to Illinois is on a Friday when prices can be found for as low as $424. Flights from Calgary to Illinois on a Tuesday will generally be more expensive and average around $627. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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 morning. Flights from Calgary to Illinois during this time can be as low as $383. Flights at noon are often more expensive with an average ticket price of $726.

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 $342 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 $224 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?

No. A direct flight is the cheapest option for a flight between Calgary to Illinois.

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

$176

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 $176. The best round-trip flight deal from Calgary to Illinois found on momondo in the last 72 hours is $302.
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 travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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
United AirlinesPriceFrom $135Free CancellationRating
7.3
10,460 reviews
Search United Airlines flights
Air CanadaPriceFrom $149Free CancellationRating
7.1
11,854 reviews
Search Air Canada flights
WestJetPriceFrom $163Free CancellationRating
7.2
3,441 reviews
Search WestJet flights
American AirlinesPriceFrom $244Free CancellationRating
7.0
12,230 reviews
Search American Airlines flights
DeltaPriceFrom $253Free CancellationRating
7.8
8,697 reviews
Search Delta flights

Why use momondo?

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

It is quick and easy to find Calgary to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

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

Yes. momondo enables you to select and highlight flights to Illinois from Calgary with this policy.

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?

Of course. momondo tracks the price of Calgary to Illinois flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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