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>

$86 CHEAP FLIGHTS from Illinois to Calgary

YYC

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

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals

Cheap Flights from Illinois to Calgary

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

Wed, May 27 - Fri, May 29

5:30 pm - 8:25 pm

ORD

YYC

3h 55mnonstop

12:00 pm - 4:40 pm

YYC

ORD

3h 40mnonstop

$179WestJet

Fri, May 8 - Sun, May 24

5:30 pm - 8:25 pm

ORD

YYC

3h 55mnonstop

12:00 pm - 4:40 pm

YYC

ORD

3h 40mnonstop

$180WestJet

Wed, May 27 - Fri, May 29

5:30 pm - 8:25 pm

ORD

YYC

3h 55mnonstop

12:00 pm - 4:40 pm

YYC

ORD

3h 40mnonstop

$188WestJet

Tue, May 26 - Mon, Jun 1

7:42 pm - 10:37 pm

ORD

YYC

3h 55mnonstop

8:30 am - 1:07 pm

YYC

ORD

3h 37mnonstop

$222United Airlines

Tue, May 26 - Mon, Jun 1

8:50 pm - 11:38 pm

ORD

YYC

3h 48mnonstop

6:15 am - 10:45 am

YYC

ORD

3h 30mnonstop

$223American Airlines

Sat, Apr 25 - Fri, May 1

2:00 pm - 8:28 pm

ORD

YYC

7h 28m

1 stop

12:50 am - 10:18 am

YYC

ORD

8h 28m

1 stop

$226Air Canada

Sat, Apr 25 - Sat, May 2

7:34 pm - 11:00 am

MDW

YYC

16h 26m

1 stop

7:00 am - 10:14 pm

YYC

MDW

14h 14m

2 stops

$283Multiple Airlines

Sat, Apr 25 - Sat, May 2

7:34 pm - 11:00 am

MDW

YYC

16h 26m

1 stop

7:00 am - 6:37 pm

YYC

MDW

10h 37m

1 stop

$285Multiple Airlines

Mon, May 11 - Mon, May 18

8:03 pm - 12:59 pm

STL

YYC

17h 56m

1 stop

1:40 pm - 11:47 am

YYC

STL

21h 07m

1 stop

$368American Airlines

Tue, Apr 28 - Sat, May 2

6:30 am - 9:48 pm

MLI

YYC

16h 18m

2 stops

1:27 pm - 12:07 am

YYC

MLI

33h 40m

2 stops

$569United Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$86

Best time to beat the crowds with an average 5% drop in price.

Most popular time to fly with an average 3% 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)

YYC

$86 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

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