How does KAYAK find such low prices on flights from Illinois to Calgary?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Calgary. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Calgary?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Calgary from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Calgary?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Calgary with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Calgary?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Calgary from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$67 CHEAP FLIGHTS from Illinois to Calgary

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Cheap Flights from Illinois to Calgary

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Calgary that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Calgary

Thu, Oct 23 - Mon, Oct 27

5:30 pm - 8:19 pmORD-YYC

3h 49mnonstop

9:00 am - 1:35 pmYYC-ORD

3h 35mnonstop

$139WestJet

Find Deal

Thu, Oct 23 - Mon, Oct 27

5:30 pm - 8:19 pmORD-YYC

3h 49mnonstop

9:00 am - 1:35 pmYYC-ORD

3h 35mnonstop

$140WestJet

Find Deal

Wed, Dec 10 - Sat, Dec 13

8:45 am - 11:35 amORD-YYC

3h 50mnonstop

12:35 pm - 5:10 pmYYC-ORD

3h 35mnonstop

$161United Airlines

Find Deal

Wed, Oct 29 - Wed, Nov 5

10:00 am - 5:04 pmORD-YYC

8h 04m1 stop

5:45 am - 3:10 pmYYC-ORD

8h 25m1 stop

$173Air Canada

Find Deal

Fri, Oct 31 - Mon, Nov 3

8:45 am - 11:35 amORD-YYC

3h 50mnonstop

6:15 am - 10:50 pmYYC-ORD

15h 35m1 stop

$177United Airlines

Find Deal

Sun, Oct 26 - Sun, Nov 2

2:20 pm - 5:15 pmORD-YYC

3h 55mnonstop

11:15 am - 3:49 pmYYC-ORD

27h 34m1 stop

$182Multiple Airlines

Find Deal

Thu, Oct 30 - Sun, Nov 2

1:26 pm - 8:26 pmORD-YYC

8h 00m1 stop

9:00 am - 1:35 pmYYC-ORD

3h 35mnonstop

$187Multiple Airlines

Find Deal

Fri, Oct 24 - Tue, Oct 28

9:49 am - 12:34 pmORD-YYC

3h 45mnonstop

1:29 pm - 5:54 pmYYC-ORD

3h 25mnonstop

$191American Airlines

Find Deal

Wed, Oct 15 - Wed, Oct 22

9:49 am - 12:34 pmORD-YYC

3h 45mnonstop

1:29 pm - 5:54 pmYYC-ORD

3h 25mnonstop

$196American Airlines

Find Deal

Tue, Oct 21 - Mon, Oct 27

3:50 pm - 11:22 pmORD-YYC

8h 32m1 stop

12:45 am - 11:18 amYYC-ORD

9h 33m1 stop

$207Air Canada

Find Deal

Cheapest round-trip

$139

Overall average: $219

WestJet

Thu 10/23Mon 10/27

ORD - YYC • Non-stop

Cheapest one-way

$67

Typical prices: $202-410

United Airlines

Mon 12/15

ORD - YYC • 1 stop

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KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Calgary!

Useful Info

Low season	January
High season	July
Cheapest flight	$67

Best time to beat the crowds with an average 3% drop in price.

Most popular time to fly with an average 1% increase in price.

Flight from Chicago O'Hare Airport to Calgary

How does KAYAK find such low prices on flights from Illinois to Calgary?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Calgary.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Calgary?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Calgary from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Calgary?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Calgary with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Calgary?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Calgary from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Airdrie

Radium Hot Springs

Kananaskis

Everything you need to know for your flight to Calgary

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Calgary

Calgary (YYC)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

YYC

$67 Find Cheap Flights from Illinois to Calgary

KAYAK searches hundreds of travel sites at once for deals on flights to Calgary

Cheap Flights from Illinois to Calgary

Recent round-trip flight deals from Illinois to Calgary

Recent one-way flight deals from Illinois to Calgary

Recent last minute flight deals from Illinois to Calgary

Recent direct flight deals from Illinois to Calgary

Everything you should know

Good to know

FAQs for booking flights from Illinois to Calgary

How does KAYAK find such low prices on flights from Illinois to Calgary?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Calgary.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Calgary?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Calgary from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Calgary?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Calgary with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Calgary?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Calgary from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Calgary?

Everything you need to know for your flight to Calgary

Information on the airport you'll fly into in Calgary

Cabin class types available on flights to Illinois

Complete your trip to Calgary with a hotel stay or car rental

Find direct flights for Calgary

Flights to other popular destinations

Flights from domestic origins to Calgary

Choose which airport to fly into in Calgary

Find deals for your return flight