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$70+ 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YYC
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheap flight deals from Illinois to Calgary

Keep the following information in mind while searching for Illinois to Calgary flight deals. Data was last updated September 14, 2025.

Round-trip from

$151
(FlightHub)

One-way from

$70
(Expedia)

Popular in

December

Cheapest in

May

Average price

$249

Good round-trip deal

$210 or less

Good one-way deal

$74 or less
From Illinois to Calgary
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One-way flight from Illinois to Calgary
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Highest demand for flights based on searches. 20% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Illinois to Calgary.
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Price to beat on a one-way flight from Illinois to Calgary.
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Find 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 September 14, 2025.

This FlightHub deal was found by Cheapflights users on 9/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/142:20 pmORD - YYC
Nonstop3h 55mWestJet
Mon 11/179:00 amYYC - ORD
Nonstop3h 35mWestJet
Deal found 9/12$151
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/125:30 pmORD - YYC
Nonstop3h 49mWestJet
Fri 10/1712:15 pmYYC - ORD
Nonstop3h 28mWestJet
Deal found 9/12$153
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Fri 10/175:30 pmORD - YYC
Nonstop3h 49mWestJet
Mon 10/2012:15 pmYYC - ORD
Nonstop3h 28mWestJet
Deal found 9/12$155
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Tue 10/288:45 amORD - YYC
Nonstop3h 50mUnited Airlines
Tue 11/412:37 pmYYC - ORD
Nonstop3h 33mUnited Airlines
Deal found 9/13$161
This FlightHub deal was found by Cheapflights users on 9/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/245:30 pmORD - YYC
Nonstop3h 49mWestJet
Mon 10/279:00 amYYC - ORD
Nonstop3h 35mWestJet
Deal found 9/12$163
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Fri 10/317:10 amORD - YYC
1 stop15h 43mUnited Airlines
Mon 11/312:37 pmYYC - ORD
Nonstop3h 33mUnited Airlines
Deal found 9/13$171
This FlightHub deal was found by Cheapflights users on 9/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/65:30 pmORD - YYC
Nonstop3h 49mWestJet
Sun 10/1212:15 pmYYC - ORD
Nonstop3h 28mWestJet
Deal found 9/13$172
This FlightHub deal was found by Cheapflights users on 9/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/115:30 pmORD - YYC
Nonstop3h 49mWestJet
Sat 10/1812:15 pmYYC - ORD
Nonstop3h 28mWestJet
Deal found 9/12$176
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/262:20 pmORD - YYC
Nonstop3h 55mMultiple Airlines
Sun 11/211:15 amYYC - ORD
1 stop27h 34mMultiple Airlines
Deal found 9/12$181
This United Airlines deal was found by Cheapflights users on 9/12. 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 11/58:45 amORD - YYC
Nonstop3h 50mUnited Airlines
Tue 11/1112:37 pmYYC - ORD
Nonstop3h 33mUnited Airlines
Deal found 9/12$185
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Tue 11/256:05 amMDW - YYC
1 stop14h 04mMultiple Airlines
Mon 12/19:45 pmYYC - MDW
2 stops22h 47mMultiple Airlines
Deal found 9/12$246
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Tue 10/281:56 pmMDW - YYC
1 stop22h 48mMultiple Airlines
Mon 11/312:30 amYYC - MDW
1 stop10h 08mMultiple Airlines
Deal found 9/13$251

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 September 14, 2025.
Use the filters below to find and compare flights from Illinois to Calgary that are best for you.

Fly from

Illinois

Fly to

Calgary

Route

Depart

Return

Price

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Wed 12/10

8:45 am-11:35 am

Nonstop3h 50m

Calgary

Sat 12/13

12:35 pm-5:10 pm

Nonstop3h 35m

$161

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Tue 10/28

8:45 am-11:35 am

Nonstop3h 50m

Calgary

Tue 11/4

12:37 pm-5:10 pm

Nonstop3h 33m

$161

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

$163

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Fri 10/31

7:10 am-2:21 pm

1 stop8h 11m

Calgary

Mon 11/3

12:37 pm-5:10 pm

Nonstop3h 33m

$171

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Sat 11/8

8:45 am-11:35 am

Nonstop3h 50m

Calgary

Sat 11/15

6:15 am-7:40 pm

1 stop12h 25m

$177

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Wed 11/5

8:45 am-11:35 am

Nonstop3h 50m

Calgary

Tue 11/11

6:15 am-8:58 pm

1 stop13h 43m

$177

ChicagoCalgary

MDW - YYC

MDWYYC

Chicago Midway

Sat 10/18

9:20 am-1:54 pm

1 stop5h 34m

Calgary

Sat 10/25

6:45 am-1:08 pm

1 stop5h 23m

$251

ChicagoCalgary

MDW - YYC

MDWYYC

Chicago Midway

Sat 11/8

3:00 pm-8:47 pm

1 stop6h 47m

Calgary

Sat 11/15

6:20 am-1:07 pm

1 stop5h 47m

$251

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sun 10/12

7:52 pm-2:45 pm

1 stop19h 53m

Calgary

Sun 10/19

2:55 pm-9:07 am

2 stops41h 12m

$293

ChicagoCalgary

MDW - YYC

MDWYYC

Chicago Midway

Thu 11/6

10:40 am-7:09 pm

1 stop9h 29m

Calgary

Mon 11/10

12:30 am-9:52 am

1 stop8h 22m

$298

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 39 results
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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, January is the cheapest month in which you can book a flight from Illinois to Calgary (average of $300). Flying from Illinois to Calgary in February is currently the most expensive (average of $405). 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 September 14, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Calgary as you normally would.

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 September 14, 2025.

The most flights from USIL to YYC are scheduled on a Monday (14 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (9 on average).

How much does it cost to fly round-trip from Illinois to Calgary?

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 3h 49m. United Airlines provides one of the quickest options available for as low as $163. The distance between Illinois and Calgary is about 1381 mi. This flight may include one or multiple stops.

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

    When deciding which route to take from Illinois to Calgary consider Chicago O'Hare Intl - Calgary, Chicago Midway - Calgary or Lambert-St Louis - Calgary as they are the most popular.

  • 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: Qatar Airways (70%), Air Canada (69%), United Airlines (69%).

  • What are the cheapest flights from Illinois to Calgary?

    The cheapest flight price from Illinois to Calgary is $57. On average you can expect to pay $322. The most popular route, (Chicago O'Hare Intl - Calgary), can usually be booked for $161.

  • 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, January is the cheapest month in which you can book a flight from Illinois to Calgary (average of $300). Flying from Illinois to Calgary in February is currently the most expensive (average of $405). 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.
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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 September 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$93Average$350FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$96Average$244FlexibilityNo cancel feeOn-time67%
DeltaCheapest$108Average$299FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$142Average$228FlexibilityNo cancel feeOn-time60%
American AirlinesCheapest$196Average$544FlexibilityNo cancel feeOn-time71%

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