Calgary

$86+ Cheap flights from Illinois to Calgary (YYC)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YYC
Apr 15 — Apr 221
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Cheap flight deals from Illinois to Calgary

Cheapest flights from Illinois to Calgary
Explore the most affordable flight options available from Illinois to Calgary. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 16, 2026.

This Mytrip deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/252:00 pm
ORD
-
YYC
1 stop7h 28m
Air Canada
Fri 5/112:50 am
YYC
-
ORD
1 stop8h 28m
Air Canada
Deal found 3/11$226
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:30 pm
ORD
-
YYC
Nonstop3h 55m
WestJet
Sun 5/1012:00 pm
YYC
-
ORD
Nonstop3h 40m
WestJet
Deal found 3/11$232
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:30 pm
ORD
-
YYC
Nonstop3h 55m
WestJet
Fri 6/512:00 pm
YYC
-
ORD
Nonstop3h 40m
WestJet
Deal found 3/12$236
This Mytrip deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/305:30 pm
ORD
-
YYC
Nonstop3h 55m
Multiple Airlines
Thu 5/76:30 am
YYC
-
ORD
1 stop9h 29m
Multiple Airlines
Deal found 3/15$240
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:42 pm
ORD
-
YYC
Nonstop3h 55m
United Airlines
Fri 5/298:30 am
YYC
-
ORD
Nonstop3h 37m
United Airlines
Deal found 3/12$244
This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/242:20 pm
ORD
-
YYC
Nonstop3h 55m
WestJet
Thu 4/3012:00 pm
YYC
-
ORD
Nonstop3h 40m
WestJet
Deal found 3/13$249
This FlightHub deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:30 pm
ORD
-
YYC
Nonstop3h 55m
WestJet
Mon 5/1112:00 pm
YYC
-
ORD
Nonstop3h 40m
WestJet
Deal found 3/11$253
This United Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/256:00 am
ORD
-
YYC
1 stop16h 48m
United Airlines
Sun 5/318:30 am
YYC
-
ORD
Nonstop3h 37m
United Airlines
Deal found 3/13$254
This Air Canada deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/22:15 pm
ORD
-
YYC
1 stop9h 43m
Air Canada
Fri 5/812:50 am
YYC
-
ORD
1 stop8h 28m
Air Canada
Deal found 3/11$256
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/105:30 pm
ORD
-
YYC
Nonstop3h 55m
WestJet
Mon 5/1812:00 pm
YYC
-
ORD
Nonstop3h 40m
WestJet
Deal found 3/12$257
This FlightHub deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/242:20 pm
ORD
-
YYC
Nonstop3h 55m
WestJet
Mon 4/2712:00 pm
YYC
-
ORD
Nonstop3h 40m
WestJet
Deal found 3/11$258
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:42 pm
ORD
-
YYC
Nonstop3h 55m
United Airlines
Wed 6/36:00 am
YYC
-
ORD
1 stop13h 30m
United Airlines
Deal found 3/12$259

Find flight deals from Illinois to Calgary

Keep the following information in mind while searching for Illinois to Calgary flight deals. Data was last updated March 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$226
(Mytrip)

One-way from

$86
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$348

Good round-trip deal

$253 or less

Good one-way deal

$75 or less
Provider with most accurate pricing for Chicago (CHI)-Calgary flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-Calgary flights.
From Illinois to Calgary
One-way flight from Illinois to Calgary
High demand for flights, 4% potential price rise
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from Illinois to Calgary.
Price to beat on a one-way flight from Illinois to Calgary.

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated March 16, 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

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Fri 4/17

11:03 pm-1:53 pm

1 stop15h 50m

Calgary

Sun 4/26

1:27 pm-12:30 am

1 stop10h 03m

$276

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Sat 6/6

6:00 am-9:48 pm

1 stop16h 48m

Calgary

Tue 6/9

6:00 am-9:39 pm

1 stop14h 39m

$298

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Fri 4/17

2:09 pm-11:00 pm

1 stop9h 51m

Calgary

Thu 4/23

7:40 am-11:59 pm

2 stops15h 19m

$307
Quickest round-trip

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Tue 9/8

7:45 pm-10:36 pm

Nonstop3h 51m

Calgary

Tue 9/15

8:30 am-1:05 pm

Nonstop3h 35m

$315

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Thu 9/3

6:00 am-6:30 pm

1 stop13h 30m

Calgary

Mon 9/7

8:30 am-1:05 pm

Nonstop3h 35m

$325

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Thu 4/9

1:19 pm-11:02 pm

1 stop10h 43m

Calgary

Sun 4/12

6:30 am-6:02 pm

1 stop10h 32m

$327

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Tue 6/2

2:11 pm-10:57 pm

1 stop9h 46m

Calgary

Sun 6/7

6:35 am-4:48 pm

1 stop9h 13m

$333

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Tue 9/1

1:55 pm-11:06 pm

1 stop10h 11m

Calgary

Mon 9/7

7:15 am-6:01 pm

1 stop9h 46m

$340

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Mon 8/3

7:45 pm-10:40 pm

Nonstop3h 55m

Calgary

Wed 8/12

1:27 pm-11:59 pm

1 stop9h 32m

$352

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Fri 6/19

1:55 pm-11:06 pm

1 stop10h 11m

Calgary

Wed 6/24

6:35 am-4:48 pm

1 stop9h 13m

$360

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Illinois to Calgary

Have a flexible travel schedule? Discover the best time to fly to Calgary from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Calgary

What is the cheapest month to book a flight from Illinois to Calgary?

Currently, April is the cheapest month in which you can book a flight from Illinois to Calgary (average of $79). Flying from Illinois to Calgary in December is currently the most expensive (average of $161). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to YYC?

Find hourly flight availability from Illinois to Calgary. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 16, 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 38% on flights from Illinois to Calgary by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Illinois to Calgary?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Calgary. Price data was last updated on March 14, 2026.

Travelers seeking maximum savings on their Illinois to Calgary flight should consider departing on Thursday at noon when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Illinois to Calgary

Explore weekly flight availability from Illinois to Calgary. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 16, 2026.

The most flights from USIL to YYC are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Related info for your journey

Find useful and relevant information for your journey from Illinois to Calgary. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Calgary from Illinois?

    For a flight from Illinois to Calgary, you will be flying into Calgary. Calgary (YYC) is just 5.8 mi from the center of the city.

  • How long is the flight from Illinois to Calgary?

    A quick flight from Illinois to Calgary can take about 8h 08m. United Airlines provides one of the quickest options available for as low as $521. The distance between Illinois and Calgary is about 1427 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Illinois to Calgary one-way?

    To fly one-way, consider booking your trip with Qatar Airways, which is currently one of the cheapest options available, starting at $57. WestJet flights start at $58 while deals on United Airlines start at $62 one-way.

  • What are the most popular routes from Illinois to Calgary?

  • What are the most reliable airlines from Illinois to Calgary?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Illinois to Calgary on time: Air Canada (62%), United Airlines (62%), American Airlines (54%).

  • What are the cheapest flights from Illinois to Calgary?

    The cheapest flight price from Illinois to Calgary is $59. On average you can expect to pay $366. The most popular route, (Chicago O'Hare Intl - Calgary), can usually be booked for $240.

  • Can I find deals for flights from Illinois to Calgary that include hotel bookings?

    Yes. In addition to deals on Illinois to Calgary flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Calgary?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Calgary.

  • Can I find deals for business class flights from Illinois to Calgary?

    Yes. Cheapflights offers flight deals from Illinois to Calgary by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Calgary?

    Currently, April is the cheapest month in which you can book a flight from Illinois to Calgary (average of $79). Flying from Illinois to Calgary in December is currently the most expensive (average of $161). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Calgary?

Book flights to Calgary if you plan to visit one of these locations
Canmore
Airdrie

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Alternative routes for Illinois to Calgary

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Illinois to Calgary

Discover the top 5 airlines that operate flights from Illinois to Calgary. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$69Average$288FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$74Average$182FlexibilityNo cancel feeOn-time67%
DeltaCheapest$105Average$187FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$116Average$256FlexibilityNo cancel feeOn-time60%
American AirlinesCheapest$195Average$401FlexibilityNo cancel feeOn-time71%

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