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Cheap flights from Illinois to Calgary from C$ 110

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 14/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YYC
2 Apr — 9 Apr1
1 adult

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 28 March 2025.

Round-trip from

C$ 207

One-way from

C$ 110

Popular in

December

Cheapest in

October

Average price

C$ 392

Good round-trip deal

C$ 147 or less

Good one-way deal

C$ 145 or less
Air Canada
  • Air Canada
  • 1/5-5/5
  • 1 total stop
  • 11h 44m total
  • Illinois to Calgary
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United Airlines
  • United Airlines
  • 14/5
  • 1 total stop
  • 9h 48m total
  • Illinois to Calgary
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 168 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (C$ 51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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.
Search Deals

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 28 March 2025.

Thu 1/55:30 p.m.ORD - YYC
Nonstop3h 49mMultiple Airlines
Mon 5/511:55 p.m.YYC - ORD
1 stop7h 55mMultiple Airlines
Deal found 27/3C$ 207
Sat 3/55:30 p.m.ORD - YYC
Nonstop3h 49mWestJet
Sat 10/512:15 p.m.YYC - ORD
Nonstop3h 29mWestJet
Deal found 28/3C$ 210
Thu 1/54:00 p.m.ORD - YYC
1 stop7h 58mAir Canada
Mon 5/511:55 p.m.YYC - ORD
1 stop9h 06mAir Canada
Deal found 27/3C$ 224
Thu 12/68:25 p.m.ORD - YYC
Nonstop4h 00mAmerican Airlines
Thu 19/66:29 a.m.YYC - ORD
Nonstop3h 25mAmerican Airlines
Deal found 27/3C$ 257
Thu 1/57:10 a.m.ORD - YYC
1 stop15h 38mUnited Airlines
Sat 10/512:43 p.m.YYC - ORD
Nonstop3h 27mUnited Airlines
Deal found 27/3C$ 270
Tue 13/51:55 p.m.MDW - YYC
1 stop7h 45mDelta
Sun 25/56:30 a.m.YYC - MDW
1 stop10h 15mDelta
Deal found 26/3C$ 357
Wed 9/412:15 p.m.ORD - YYC
1 stop9h 27mDelta
Sun 13/47:40 a.m.YYC - ORD
1 stop9h 10mDelta
Deal found 27/3C$ 364
Thu 1/58:03 p.m.MDW - YYC
1 stop19h 42mMultiple Airlines
Fri 9/512:30 a.m.YYC - MDW
1 stop8h 03mMultiple Airlines
Deal found 27/3C$ 407
Sun 11/512:15 p.m.STL - YYC
2 stops9h 04mMultiple Airlines
Sun 18/510:05 a.m.YYC - STL
1 stop13h 01mMultiple Airlines
Deal found 27/3C$ 515
Wed 14/55:19 a.m.STL - YYC
1 stop7h 31mAmerican Airlines
Mon 19/51:18 p.m.YYC - STL
1 stop19h 31mAmerican Airlines
Deal found 27/3C$ 522
Fri 18/44:45 p.m.STL - YYC
1 stop6h 03mAir Canada
Fri 25/46:15 a.m.YYC - STL
1 stop7h 34mAir Canada
Deal found 28/3C$ 563
Fri 6/611:24 a.m.MLI - YYC
1 stop13h 01mAmerican Airlines
Wed 11/61:27 p.m.YYC - MLI
1 stop9h 15mAmerican Airlines
Deal found 27/3C$ 590

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 629,999 searches. Data last updated 28 March 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 1/5

5:30 p.m.-8:19 p.m.

Nonstop3h 49m

Calgary

Mon 5/5

11:55 p.m.-8:50 a.m.

1 stop7h 55m

C$ 207

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Sat 3/5

5:30 p.m.-8:19 p.m.

Nonstop3h 49m

Calgary

Sat 10/5

12:15 p.m.-4:44 p.m.

Nonstop3h 29m

C$ 210

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Thu 1/5

4:00 p.m.-10:58 p.m.

1 stop7h 58m

Calgary

Mon 5/5

11:55 p.m.-10:01 a.m.

1 stop9h 06m

C$ 224

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Thu 12/6

8:25 p.m.-11:25 p.m.

Nonstop4h 00m

Calgary

Thu 19/6

6:29 a.m.-10:54 a.m.

Nonstop3h 25m

C$ 257

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Thu 1/5

7:10 a.m.-9:48 p.m.

1 stop15h 38m

Calgary

Sat 10/5

12:43 p.m.-5:10 p.m.

Nonstop3h 27m

C$ 270

ChicagoCalgary

MDW - YYC

MDWYYC

Chicago Midway

Tue 13/5

1:55 p.m.-8:40 p.m.

1 stop7h 45m

Calgary

Sun 25/5

6:30 a.m.-1:15 p.m.

1 stop5h 45m

C$ 357

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Wed 9/4

12:15 p.m.-8:42 p.m.

1 stop9h 27m

Calgary

Sun 13/4

7:40 a.m.-5:50 p.m.

1 stop9h 10m

C$ 364

ChicagoCalgary

MDW - YYC

MDWYYC

Chicago Midway

Thu 1/5

8:03 p.m.-2:45 p.m.

1 stop19h 42m

Calgary

Sun 4/5

12:30 a.m.-1:34 p.m.

1 stop12h 04m

C$ 386

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sun 11/5

12:15 p.m.-8:19 p.m.

2 stops9h 04m

Calgary

Sun 18/5

10:05 a.m.-12:06 a.m.

1 stop13h 01m

C$ 515

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 14/5

5:19 a.m.-11:50 a.m.

1 stop7h 31m

Calgary

Mon 19/5

1:18 p.m.-9:49 a.m.

1 stop19h 31m

C$ 522

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/3

Showing 1-10 of 35 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 C$ 138). Flying from Illinois to Calgary in July is currently the most expensive (average of C$ 263). 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 28 March 2025.

When flying from Illinois to Calgary, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 9.0 - 94.0 mm per month. June is typically the wettest month, when rainfall can reach 94.0 mm. January is typically the driest time to visit Calgary when rainfall is around 9.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -7.0 C).

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 28 March 2025.
See what other customers who have flown with Alaska Airlines, Delta and Porter Airlines from Illinois to Calgary have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,797 reviews
Check prices

Overall

8.0

Comfort

7.9

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,797 reviews
Alaska Airlines
8.0
Very good
9,797 reviews
Check prices

Overall

8.0

Comfort

7.9

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,897 reviews
Alaska Airlines
8.0
Very good
9,797 reviews
Check prices

Overall

8.0

Comfort

7.9

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Porter Airlines
7.9
Good
277 reviews
Alaska Airlines
8.0
Very good
9,797 reviews
Check prices

Overall

8.0

Comfort

7.9

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,603 reviews
Alaska Airlines
8.0
Very good
9,797 reviews
Check prices

Overall

8.0

Comfort

7.9

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,797 reviews
Check prices

Overall

8.0

Comfort

7.9

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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?

    Calgary (YYC), located 9.3 km from the city centre, is the airport you fly into when you book flights from Illinois to Calgary.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at C$ 110. Air Canada flights start at C$ 126 while deals on American Airlines start at C$ 129 one-way.

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

    The most popular route from Illinois to Calgary is Chicago O'Hare Intl - Calgary. You may also consider Chicago Midway - Calgary or Lambert-St Louis - 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 (77%), United Airlines (77%), Qatar Airways (71%).

  • What are the cheapest flights from Illinois to Calgary?

    The cheapest flight price from Illinois to Calgary is C$ 107. On average you can expect to pay C$ 232. The most popular route, (Chicago O'Hare Intl - Calgary), can usually be booked for C$ 227.

  • 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 C$ 138). Flying from Illinois to Calgary in July is currently the most expensive (average of C$ 263). 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

Travelling to a place near Illinois?

Book flights to Illinois if you plan to visit one of these locations
Canmore
Airdrie
Radium Hot Springs
Drumheller
Kananaskis

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Top 3 airlines flying from Illinois to Calgary

Discover the top 3 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 629,999 searches. Data last updated 28 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 132AverageC$ 758FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 149AverageC$ 305FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 201AverageC$ 619FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Illinois to Calgary?

When you search for this flight from Illinois to Calgary, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Illinois to Calgary?

Cheapflights simply makes it quick and affordable to book flights from Illinois to Calgary by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Illinois to Calgary with no change fees?

Yes! Cheapflights helps users easily find flights from Illinois to Calgary with no change fees.

Can Cheapflights notify me if prices for flights from Illinois to Calgary become cheaper?

Of course! You can now track prices for flights from Illinois to Calgary and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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