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$77+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YYC
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$148
(Vakatrip)

One-way from

$88
(Air Canada)

Popular in

December

Cheapest in

May

Average price

$316

Good round-trip deal

$202 or less

Good one-way deal

$116 or less
Provider with most accurate pricing for Chicago (CHI)-Calgary flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Calgary flights.
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From Illinois to Calgary
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One-way flight from Illinois to Calgary
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($92 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 April 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 April 29, 2025.

This Vakatrip deal was found by Cheapflights users on 4/29. 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 Vakatrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/35:30 pmORD - YYC
Nonstop3h 49mWestJet
Mon 7/72:56 pmYYC - ORD
1 stop5h 38mWestJet
Deal found 4/29$148
This Air Canada deal was found by Cheapflights users on 4/28. 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.
Thu 5/292:16 pmORD - YYC
1 stop9h 22mAir Canada
Thu 5/2912:55 amYYC - ORD
1 stop9h 29mAir Canada
Deal found 4/28$165
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/278:45 amORD - YYC
1 stop14h 03mUnited Airlines
Tue 6/312:38 pmYYC - ORD
Nonstop3h 32mUnited Airlines
Deal found 4/28$190
This United deal was found by Cheapflights users on 4/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/98:45 amORD - YYC
Nonstop3h 56mMultiple Airlines
Mon 5/1211:55 pmYYC - ORD
1 stop7h 55mMultiple Airlines
Deal found 4/27$220
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/131:55 pmORD - YYC
1 stop10h 08mDelta
Tue 8/266:35 amYYC - ORD
1 stop7h 24mDelta
Deal found 4/28$251
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/259:20 amMDW - YYC
2 stops14h 41mDelta
Tue 5/276:30 amYYC - MDW
1 stop5h 45mDelta
Deal found 4/27$261
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/148:34 pmORD - YYC
Nonstop3h 55mAmerican Airlines
Wed 8/201:29 pmYYC - ORD
Nonstop3h 25mAmerican Airlines
Deal found 4/28$264
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/292:44 pmMDW - YYC
1 stop8h 27mMultiple Airlines
Thu 6/58:55 amYYC - MDW
1 stop10h 58mMultiple Airlines
Deal found 4/29$318
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/289:40 amMDW - YYC
2 stops12h 35mPorter Airlines
Mon 6/211:55 pmYYC - MDW
1 stop15h 29mPorter Airlines
Deal found 4/28$357
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 6/59:50 amSTL - YYC
2 stops11h 17mMultiple Airlines
Thu 6/129:15 amYYC - STL
1 stop6h 49mMultiple Airlines
Deal found 4/28$393
This Air Canada deal was found by Cheapflights users on 4/28. 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.
Tue 5/271:30 pmSTL - YYC
1 stop10h 36mAir Canada
Tue 6/38:30 amYYC - STL
1 stop6h 00mAir Canada
Deal found 4/28$395
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/56:00 amSTL - YYC
1 stop18h 29mAmerican Airlines
Thu 6/126:29 amYYC - STL
1 stop16h 25mAmerican Airlines
Deal found 4/28$399

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 April 29, 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

Thu 7/3

5:30 pm-8:19 pm

Nonstop3h 49m

Calgary

Mon 7/7

2:56 pm-9:34 pm

1 stop5h 38m

$148

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Thu 5/29

2:16 pm-10:38 pm

1 stop9h 22m

Calgary

Thu 5/29

12:55 am-11:24 am

1 stop9h 29m

$165

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Tue 5/27

8:45 am-9:48 pm

1 stop14h 03m

Calgary

Tue 6/3

12:38 pm-5:10 pm

Nonstop3h 32m

$190

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Fri 5/9

8:45 am-11:41 am

Nonstop3h 56m

Calgary

Mon 5/12

11:55 pm-8:50 am

1 stop7h 55m

$220

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Wed 8/13

1:55 pm-11:03 pm

1 stop10h 08m

Calgary

Tue 8/26

6:35 am-2:59 pm

1 stop7h 24m

$251

ChicagoCalgary

MDW - YYC

MDWYYC

Chicago Midway

Sun 5/25

9:20 am-11:01 pm

2 stops14h 41m

Calgary

Tue 5/27

6:30 am-1:15 pm

1 stop5h 45m

$261

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Thu 8/14

8:34 pm-11:29 pm

Nonstop3h 55m

Calgary

Wed 8/20

1:29 pm-5:54 pm

Nonstop3h 25m

$264

ChicagoCalgary

MDW - YYC

MDWYYC

Chicago Midway

Thu 5/29

2:44 pm-10:11 pm

1 stop8h 27m

Calgary

Thu 6/5

8:55 am-8:53 pm

1 stop10h 58m

$318

ChicagoCalgary

MDW - YYC

MDWYYC

Chicago Midway

Wed 5/28

9:40 am-9:15 pm

2 stops12h 35m

Calgary

Mon 6/2

11:55 pm-4:24 pm

1 stop15h 29m

$357

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Thu 6/5

9:50 am-8:07 pm

2 stops11h 17m

Calgary

Thu 6/12

9:15 am-5:04 pm

1 stop6h 49m

$393

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 33 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 $404). 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 April 29, 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 April 29, 2025.

The most flights from USIL to YYC are scheduled on a Monday (5 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Calgary by month

Plan your trip to Calgary by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Calgary ranges from 0.4 - 3.7 inches per month. June is typically the wettest month, when rainfall can reach 3.7 in. January is typically the driest time to visit Calgary when rainfall is around 0.4 in.

Temperature in Calgary by month

Plan your trip to Calgary by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Calgary, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 19.4 F).

Reviews of airlines servicing Calgary

Get insights into the airlines that provide service to Calgary. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Calgary. Reviews last updated April 29, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Porter Airlines and Delta from Illinois to Calgary to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Porter Airlines
8.0
Very good
285 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $88. United Airlines flights start at $89 while deals on WestJet start at $96 one-way.

  • 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: Air Canada (79%), United Airlines (79%), American Airlines (78%).

  • What are the cheapest flights from Illinois to Calgary?

    The cheapest flight price from Illinois to Calgary is $80. On average you can expect to pay $980. The most popular route, (Chicago O'Hare Intl - Calgary), can usually be booked for $181.

  • 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 $404). 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 Illinois?

Book flights to Illinois 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$111Average$345FlexibilityNo cancel feeOn-time67%
DeltaCheapest$125Average$315FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$126Average$256FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$169Average$456FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$180Average$547FlexibilityNo cancel feeOn-time71%

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