What airlines fly to Calgary?

WestJet, American Airlines and United Airlines are the top three most popular airlines that fly to Calgary from Illinois according to our data. WestJet is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Calgary. Keep in mind that there are 5 different airlines that fly to Calgary on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Illinois to Calgary?

United Airlines, WestJet, and Lufthansa are the most popular carriers operating from Illinois to Calgary

How long does it take to fly to Calgary?

If you’re flying from a popular airport in Illinois, such as Chicago or Moline, and flying into Calgary, then you can expect flight times to average 4h 41m and 6h 06m, respectively.

How many flights depart from Illinois to Calgary on average per day?

5 flights are operational daily from Illinois to Calgary as of October 2025. The most popular departure time for this route is 8:00AM, with 65% of flights per day taking off at noon.

How many flights depart from Illinois to Calgary on average per week?

As of October 2025, there are 35 flights per week flying from Illinois to Calgary. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

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?

As of October 2025, there are 5 operators available to choose from 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.

$54 Cheap Flights from Illinois to Calgary in 2025/26

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Cheap round-trip flights

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5:30 pm - 8:19 pmORD-YYC

3h 49mnonstop

9:00 am - 1:35 pmYYC-ORD

3h 35mnonstop

$146WestJet

Find Deal

Fri, Oct 24 - Mon, Oct 27

5:30 pm - 8:19 pmORD-YYC

3h 49mnonstop

9:00 am - 1:35 pmYYC-ORD

3h 35mnonstop

$149WestJet

Find Deal

Fri, Oct 24 - Sun, Oct 26

8:47 am - 11:38 amORD-YYC

3h 51mnonstop

12:38 pm - 5:10 pmYYC-ORD

3h 32mnonstop

$177United Airlines

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Sun, Oct 19 - Thu, Oct 23

2:20 pm - 5:15 pmORD-YYC

3h 55mnonstop

5:35 am - 3:10 pmYYC-ORD

8h 35m1 stop

$181Multiple Airlines

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Fri, Nov 14 - Thu, Nov 20

8:45 am - 11:35 amORD-YYC

3h 50mnonstop

2:13 pm - 8:58 pmYYC-ORD

5h 45m1 stop

$185United Airlines

Find Deal

Wed, Nov 12 - Wed, Nov 12

9:49 am - 12:34 pmORD-YYC

3h 45mnonstop

1:29 pm - 5:54 pmYYC-ORD

3h 25mnonstop

$188American Airlines

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Fri, Oct 24 - Mon, Oct 27

9:44 pm - 1:53 pmORD-YYC

17h 09m1 stop

11:40 pm - 9:15 amYYC-ORD

8h 35m1 stop

$197Multiple Airlines

Find Deal

Fri, Oct 24 - Mon, Oct 27

10:00 am - 5:04 pmORD-YYC

8h 04m1 stop

5:45 am - 2:55 pmYYC-ORD

8h 10m1 stop

$213Air Canada

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Sat, Nov 8 - Wed, Nov 12

10:40 am - 8:57 pmORD-YYC

11h 17m2 stops

1:10 am - 9:51 amYYC-ORD

7h 41m1 stop

$218Air Canada

Find Deal

Sat, Oct 18 - Wed, Oct 22

5:00 am - 11:59 amORD-YYC

7h 59m1 stop

12:45 pm - 8:44 amYYC-ORD

18h 59m1 stop

$221American Airlines

Find Deal

Fri, Oct 31 - Mon, Nov 3

United Airlines flights from Illinois to Calgary

Our best United Airlines deals on Illinois to Calgary flight tickets

United Airlines

Oct 19

ORD8:47 amChicago O'Hare Intl

3h 51m

YYC11:38 amCalgary

Oct 23

YYC12:38 pmCalgary

3h 32m

ORD5:10 pmChicago O'Hare Intl

$177

Find similar

United Airlines

Nov 12

ORD8:45 amChicago O'Hare Intl

3h 50m

YYC11:35 amCalgary

Nov 12

YYC2:13 pmCalgary

5h 45m

1 stop

ORD8:58 pmChicago O'Hare Intl

$185

Find similar

United Airlines

Oct 18

ORD5:01 amChicago O'Hare Intl

9h 52m

1 stop

YYC1:53 pmCalgary

Oct 23

YYC12:38 pmCalgary

3h 32m

ORD5:10 pmChicago O'Hare Intl

$186

Find similar

WestJet flights from Illinois to Calgary

Our best WestJet deals on Illinois to Calgary flight tickets

WestJet

Oct 24

ORD5:30 pmChicago O'Hare Intl

3h 49m

YYC8:19 pmCalgary

Oct 27

YYC9:00 amCalgary

3h 35m

ORD1:35 pmChicago O'Hare Intl

$146

Find similar

WestJet

Oct 17

ORD5:30 pmChicago O'Hare Intl

3h 49m

YYC8:19 pmCalgary

Oct 25

YYC12:15 pmCalgary

3h 28m

ORD4:43 pmChicago O'Hare Intl

$148

Find similar

WestJet

Oct 24

ORD5:30 pmChicago O'Hare Intl

3h 49m

YYC8:19 pmCalgary

Oct 26

YYC9:00 amCalgary

3h 35m

ORD1:35 pmChicago O'Hare Intl

$149

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Fri 10/24

5:30 pm-8:19 pm

Nonstop3h 49m

Calgary

Mon 10/27

9:00 am-1:35 pm

Nonstop3h 35m

$146

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Fri 10/24

5:30 pm-8:19 pm

Nonstop3h 49m

Calgary

Sun 10/26

9:00 am-1:35 pm

Nonstop3h 35m

$149

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Sun 10/19

8:47 am-11:38 am

Nonstop3h 51m

Calgary

Thu 10/23

12:38 pm-5:10 pm

Nonstop3h 32m

$177

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Fri 11/14

2:20 pm-5:15 pm

Nonstop3h 55m

Calgary

Thu 11/20

5:35 am-3:10 pm

1 stop8h 35m

$181

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Wed 11/12

8:45 am-11:35 am

Nonstop3h 50m

Calgary

Wed 11/12

2:13 pm-8:58 pm

1 stop5h 45m

$185

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Fri 10/24

9:49 am-12:34 pm

Nonstop3h 45m

Calgary

Mon 10/27

1:29 pm-5:54 pm

Nonstop3h 25m

$188

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Fri 10/24

9:44 pm-1:53 pm

1 stop17h 09m

Calgary

Mon 10/27

11:40 pm-9:15 am

1 stop8h 35m

$197

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Sat 11/8

10:00 am-5:04 pm

1 stop8h 04m

Calgary

Wed 11/12

5:45 am-2:55 pm

1 stop8h 10m

$213

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Sat 10/18

10:40 am-8:57 pm

2 stops11h 17m

Calgary

Wed 10/22

1:10 am-9:51 am

1 stop7h 41m

$218

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Fri 10/31

5:00 am-11:59 am

1 stop7h 59m

Calgary

Mon 11/3

12:45 pm-8:44 am

1 stop18h 59m

$221

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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

Prices

Airlines

Other information

What is the cheapest month to fly to Calgary?

The month of October is, on average, the cheapest month to fly to Calgary from Illinois, with most prices found around $213. If you aren’t able to travel during the month of October, then book flights to Calgary from Illinois during May instead. Flights to Calgary in May, while not as cheap as those in October, still average around $219.

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 Thursday when prices can be found for as low as $291. 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 Tuesday will generally be more expensive and average around $330. 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 in the afternoon when flights can be purchased for as low as $263. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $483 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 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 $288 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 $223 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	$112
Fastest flight time	3h 45m
Direct flights	Every day
Airports in Calgary	1 airport

The best one-way flight to Calgary from Illinois in the past 72 hours is $112. The best round-trip flight deal from Illinois to Calgary found on momondo in the last 72 hours is $189.

The fastest flight from Illinois to Calgary takes 3h 45m

Direct flights go from Illinois to Calgary every day.

There is 1 airport near Calgary: Calgary (YYC)

Search flight deals

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?
As of October 2025, there are 5 operators available to choose from 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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Illinois to Calgary is Boeing 737-700 (36.07% of total bookings). The next most popular plane models are Airbus A319 (14.79%), Boeing 737-800 (13.79%), and Boeing 737-800 Passenger/BBJ2 (winglets) (9.62%).

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 Airlines	PriceFrom $92	Free Cancellation	Rating 7.4 8,965 reviews	Search United Airlines flights
Air Canada	PriceFrom $96	Free Cancellation	Rating 7.1 10,255 reviews	Search Air Canada flights
Delta	PriceFrom $109	Free Cancellation	Rating 7.9 7,969 reviews	Search Delta flights
WestJet	PriceFrom $142	Free Cancellation	Rating 7.2 3,121 reviews	Search WestJet flights
American Airlines	PriceFrom $196	Free Cancellation	Rating 7.2 11,042 reviews	Search American Airlines flights

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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.

An easier way to manage your Calgary trip

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Cheap flights from Illinois to Calgary from $54

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 10/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Illinois to Calgary

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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?

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

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

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 to Calgary?

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.

What is the cheapest airline that flies from Illinois to Calgary?

United Airlines, WestJet, and Lufthansa are the most popular carriers operating from Illinois to Calgary

What airlines fly to Calgary?

How many flights depart from Illinois to Calgary on average per day?

5 flights are operational daily from Illinois to Calgary as of October 2025. The most popular departure time for this route is 8:00AM, with 65% of flights per day taking off at noon.

How many flights depart from Illinois to Calgary on average per week?

As of October 2025, there are 35 flights per week flying from Illinois to Calgary. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

How long does it take to fly to Calgary?

If you’re flying from a popular airport in Illinois, such as Chicago or Moline, and flying into Calgary, then you can expect flight times to average 4h 41m and 6h 06m, respectively.

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

Fastest flight time

Direct flights

Airports in Calgary

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

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?

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

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

Traveling to a place near Calgary?

Why use momondo?

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

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

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

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

An easier way to manage your Calgary trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Canada

Airports servicing Alberta