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Cheap flights from Illinois to Calgary from $132

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Calgary departing on 12/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Calgary

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
5:30 pm - 8:25 pm
ORD
-
YYC
3h 55mnonstop
WestJet Logo
12:00 pm - 4:40 pm
YYC
-
ORD
3h 40mnonstop
$295WestJet
Thu, Sep 24 - Tue, Sep 29
WestJet Logo
5:30 pm - 8:25 pm
ORD
-
YYC
3h 55mnonstop
WestJet Logo
12:00 pm - 4:40 pm
YYC
-
ORD
3h 40mnonstop
$297WestJet
Fri, Sep 25 - Mon, Sep 28
WestJet Logo
5:30 pm - 8:25 pm
ORD
-
YYC
3h 55mnonstop
WestJet Logo
12:00 pm - 4:40 pm
YYC
-
ORD
3h 40mnonstop
$298WestJet
Mon, Sep 21 - Fri, Sep 25
Air Canada Logo
5:35 pm - 1:17 am
ORD
-
YYC
8h 42m
1 stop
Air Canada Logo
6:30 am - 2:55 pm
YYC
-
ORD
7h 25m
1 stop
$300Air Canada
Sun, Sep 27 - Sat, Oct 3
Multiple Airlines Logo
8:08 pm - 2:45 pm
STL
-
YYC
19h 37m
1 stop
Multiple Airlines Logo
8:45 am - 7:23 pm
YYC
-
STL
9h 38m
1 stop
$350Multiple Airlines
Tue, Aug 25 - Tue, Sep 1
Delta Logo
1:47 pm - 8:32 pm
MDW
-
YYC
7h 45m
1 stop
Delta Logo
6:45 am - 1:07 pm
YYC
-
MDW
5h 22m
1 stop
$352Delta
Thu, Sep 24 - Tue, Sep 29
Delta Logo
12:30 pm - 8:54 pm
MDW
-
YYC
9h 24m
1 stop
Delta Logo
7:45 am - 4:50 pm
YYC
-
MDW
8h 05m
1 stop
$354Delta
Tue, Dec 8 - Fri, Dec 11
Multiple Airlines Logo
8:10 pm - 2:45 pm
STL
-
YYC
19h 35m
1 stop
Multiple Airlines Logo
7:00 am - 9:40 am
YYC
-
STL
25h 40m
1 stop
$367Multiple Airlines
Wed, Oct 14 - Tue, Oct 20
United Airlines Logo
6:32 am - 11:28 am
MLI
-
YYC
5h 56m
1 stop
United Airlines Logo
1:27 pm - 8:48 pm
YYC
-
MLI
6h 21m
1 stop
$659United Airlines
Wed, Oct 21 - Sat, Oct 24
United Airlines Logo
8:13 am - 10:36 pm
MLI
-
YYC
15h 23m
1 stop
United Airlines Logo
8:30 am - 7:31 pm
YYC
-
MLI
10h 01m
1 stop
$680United Airlines
Thu, Sep 10 - Sun, Sep 13

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United Airlines flights from Illinois to Calgary

Our best United Airlines deals on Illinois to Calgary flight tickets
United Airlines
Aug 25
ORD7:45 pmChicago O'Hare Intl
3h 51m
YYC10:36 pmCalgary
Aug 26
YYC8:30 amCalgary
3h 35m
ORD1:05 pmChicago O'Hare Intl
$329
United Airlines
Sep 1
ORD1:30 pmChicago O'Hare Intl
9h 18m
1 stop
YYC9:48 pmCalgary
Sep 6
YYC8:30 amCalgary
3h 35m
ORD1:05 pmChicago O'Hare Intl
$337
United Airlines
Dec 8
ORD10:00 pmChicago O'Hare Intl
16h 56m
1 stop
YYC1:56 pmCalgary
Dec 11
YYC12:30 pmCalgary
3h 20m
ORD4:50 pmChicago O'Hare Intl
$338

American Airlines flights from Illinois to Calgary

Our best American Airlines deals on Illinois to Calgary flight tickets
American Airlines
Sep 25
ORD8:30 pmChicago O'Hare Intl
3h 59m
YYC11:29 pmCalgary
Sep 30
YYC7:00 amCalgary
3h 29m
ORD11:29 amChicago O'Hare Intl
$326
American Airlines
Sep 15
ORD8:30 pmChicago O'Hare Intl
3h 59m
YYC11:29 pmCalgary
Sep 20
YYC7:00 amCalgary
3h 29m
ORD11:29 amChicago O'Hare Intl
$327
American Airlines
Sep 1
ORD8:46 pmChicago O'Hare Intl
3h 56m
YYC11:42 pmCalgary
Sep 6
YYC7:00 amCalgary
3h 35m
ORD11:35 amChicago O'Hare Intl
$328

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Calgary 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, momondo users made 832,500 searches. Data last updated June 21, 2026.
Use the filters below to find and compare flights from Illinois to Calgary that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Thu 9/24

5:30 pm-8:25 pm

Nonstop3h 55m

Calgary

Tue 9/29

12:00 pm-4:40 pm

Nonstop3h 40m

$295

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Fri 9/25

5:30 pm-8:25 pm

Nonstop3h 55m

Calgary

Mon 9/28

12:00 pm-4:40 pm

Nonstop3h 40m

$297

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Mon 9/21

5:30 pm-8:25 pm

Nonstop3h 55m

Calgary

Fri 9/25

12:00 pm-4:40 pm

Nonstop3h 40m

$298

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Sun 9/27

5:35 pm-1:17 am

1 stop8h 42m

Calgary

Sat 10/3

6:30 am-2:55 pm

1 stop7h 25m

$300

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 8/25

8:08 pm-2:45 pm

1 stop19h 37m

Calgary

Tue 9/1

8:45 am-7:23 pm

1 stop9h 38m

$350

ChicagoCalgary

MDW - YYC

MDWYYC

Chicago Midway

Thu 9/24

1:47 pm-8:32 pm

1 stop7h 45m

Calgary

Tue 9/29

6:45 am-1:07 pm

1 stop5h 22m

$352

ChicagoCalgary

MDW - YYC

MDWYYC

Chicago Midway

Tue 12/8

12:30 pm-8:54 pm

1 stop9h 24m

Calgary

Fri 12/11

7:45 am-4:50 pm

1 stop8h 05m

$354

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 10/14

8:10 pm-2:45 pm

1 stop19h 35m

Calgary

Tue 10/20

7:00 am-9:40 am

1 stop25h 40m

$367

MolineCalgary

MLI - YYC

MLIYYC

Moline Quad-City

Wed 10/21

6:32 am-11:28 am

1 stop5h 56m

Calgary

Sat 10/24

1:27 pm-8:48 pm

1 stop6h 21m

$659

MolineCalgary

MLI - YYC

MLIYYC

Moline Quad-City

Thu 9/10

8:13 am-10:36 pm

1 stop15h 23m

Calgary

Sun 9/13

8:30 am-7:31 pm

1 stop10h 01m

$680

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 Calgary from

How to get the cheapest flight ticket from Illinois to Calgary

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 Calgary?

The month of November is, on average, the cheapest month to fly to Calgary from Illinois, with most prices found around $60. If you aren’t able to travel during the month of November, then book flights to Calgary from Illinois during October instead. Flights to Calgary in October, while not as cheap as those in November, still average around $61.

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

The cheapest day to depart on your flight to Calgary is on a Friday when prices can be found for as low as $336. This is often the case because there is less demand to fly during this day of the week. Flights from Illinois to Calgary on a Thursday will generally be more expensive and average around $368. 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 Calgary?

The cheapest time of day to fly to Calgary is at noon when flights can be purchased for as low as $283. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $474 on average. Flights to Calgary from Illinois in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Illinois to Calgary flight route?

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

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

You are more likely to see cheaper flights to Calgary from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Calgary for around $321 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Calgary from Illinois for as low as $302 on momondo.

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

There are 4 cabin classes available to choose from on Illinois to Calgary 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 Illinois to Calgary flights?

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

Cheap Illinois to Calgary flight deals and tips

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

Best Price Found

$174

Fastest flight time

3h 48m

Direct flights

Every day

Airports in Calgary

1 airport
The best one-way flight to Calgary from Illinois in the past 72 hours is $174. The best round-trip flight deal from Illinois to Calgary found on momondo in the last 72 hours is $416.
The fastest flight from Illinois to Calgary takes 3h 48m
Direct flights go from Illinois to Calgary every day.
There is 1 airport in Calgary. From Illinois there are direct flights to Calgary (YYC).
Search flight deals

Frequently asked questions about flying from Illinois to Calgary

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

    Prices for flights from Illinois to Calgary Airport refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Calgary Airport.

  • What documentation or ID do you need to fly to Calgary Airport?

    The travel and health documents you'll need for your trip to Calgary Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Calgary Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Illinois to Calgary

Compare and see reviews for airlines that fly from Illinois to Calgary with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $110Free CancellationRating
7.4
9,870 reviews
Search United Airlines flights
DeltaPriceFrom $114Free CancellationRating
7.8
8,424 reviews
Search Delta flights
Air CanadaPriceFrom $123Free CancellationRating
7.1
11,232 reviews
Search Air Canada flights
WestJetPriceFrom $135Free CancellationRating
7.2
3,375 reviews
Search WestJet flights
American AirlinesPriceFrom $233Free CancellationRating
7.1
11,727 reviews
Search American Airlines flights

Traveling to a place near Calgary?

Book flights to Calgary if you plan to visit one of these locations
Banff
Canmore
Lake Louise
Airdrie
Radium Hot Springs
Drumheller
Kananaskis

Why use momondo?

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

Finding the right flight to Calgary from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Calgary quick and easy, saving you time and money.

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

Flights from Illinois to Calgary 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 from Illinois to Calgary?

momondo helps you find the best flight between Illinois and Calgary by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Calgary, momondo offers a useful price alert feature which will track prices for flights to Calgary from Illinois and alert you when they change.

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