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Cheap flights from Illinois to Calgary from C$ 107

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YYC
30 Apr — 7 May1
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 25 April 2025.

Round-trip from

C$ 234

One-way from

C$ 107

Popular in

December

Cheapest in

May

Average price

C$ 438

Good round-trip deal

C$ 223 or less

Good one-way deal

C$ 105 or less
Air Canada
  • Air Canada
  • 8/5-8/5
  • 2 total stops
  • 23h 40m total
  • Illinois to Calgary
United Airlines
  • United Airlines
  • 7/5
  • 1 total stop
  • 7h 43m total
  • Illinois to Calgary
Highest demand for flights based on searches. 22% potential increase in price (C$ 178 potential increase over avg. RT price).
Cheapest flight prices on average. 8% potential price decrease (C$ 50 potential savings vs. average RT price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Illinois to Calgary.
Price to beat on a one-way flight from Illinois to Calgary.

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 25 April 2025.

Thu 8/58:45 a.m.ORD - YYC
1 stop14h 03mMultiple Airlines
Thu 8/511:55 p.m.YYC - ORD
1 stop7h 08mMultiple Airlines
Deal found 24/4C$ 244
Wed 4/65:02 a.m.ORD - YYC
1 stop9h 51mAir Canada
Wed 11/68:30 a.m.YYC - ORD
Nonstop3h 33mAir Canada
Deal found 25/4C$ 248
Fri 9/58:45 a.m.ORD - YYC
Nonstop3h 56mUnited Airlines
Mon 12/512:43 p.m.YYC - ORD
Nonstop3h 27mUnited Airlines
Deal found 25/4C$ 251
Sun 25/55:30 p.m.ORD - YYC
Nonstop3h 49mWestJet
Sun 1/612:15 p.m.YYC - ORD
Nonstop3h 29mWestJet
Deal found 25/4C$ 261
Fri 9/51:40 p.m.ORD - YYC
1 stop10h 21mDelta
Sun 11/56:30 a.m.YYC - ORD
1 stop9h 34mDelta
Deal found 25/4C$ 348
Mon 9/68:30 p.m.ORD - YYC
Nonstop3h 59mAmerican Airlines
Mon 16/66:29 a.m.YYC - ORD
Nonstop3h 25mAmerican Airlines
Deal found 25/4C$ 356
Sat 3/51:16 p.m.MDW - YYC
1 stop8h 31mDelta
Tue 6/56:45 a.m.YYC - MDW
1 stop9h 34mDelta
Deal found 24/4C$ 379
Fri 8/86:20 a.m.MDW - YYC
1 stop14h 40mMultiple Airlines
Mon 11/812:30 a.m.YYC - MDW
1 stop9h 10mMultiple Airlines
Deal found 25/4C$ 442
Tue 10/68:35 a.m.STL - YYC
1 stop15h 54mAmerican Airlines
Wed 18/66:29 a.m.YYC - STL
1 stop13h 01mAmerican Airlines
Deal found 25/4C$ 452
Sun 20/76:05 a.m.STL - YYC
2 stops17h 12mMultiple Airlines
Fri 25/74:20 p.m.YYC - STL
1 stop15h 51mMultiple Airlines
Deal found 25/4C$ 476
Fri 6/69:40 a.m.MDW - YYC
2 stops12h 44mPorter Airlines
Tue 10/67:00 a.m.YYC - MDW
2 stops32h 54mPorter Airlines
Deal found 25/4C$ 545
Wed 4/62:29 p.m.STL - YYC
1 stop9h 32mDelta
Sat 7/66:30 a.m.YYC - STL
1 stop9h 39mDelta
Deal found 25/4C$ 553

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 25 April 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 8/5

8:45 a.m.-9:48 p.m.

1 stop14h 03m

Calgary

Thu 8/5

12:55 a.m.-11:32 a.m.

1 stop9h 37m

C$ 234

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Thu 8/5

8:45 a.m.-9:48 p.m.

1 stop14h 03m

Calgary

Thu 8/5

11:55 p.m.-8:03 a.m.

1 stop7h 08m

C$ 244

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Fri 9/5

8:45 a.m.-11:41 a.m.

Nonstop3h 56m

Calgary

Mon 12/5

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

Nonstop3h 27m

C$ 251

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Sun 25/5

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

Nonstop3h 49m

Calgary

Sun 1/6

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

Nonstop3h 29m

C$ 261

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Thu 5/6

8:30 p.m.-11:29 p.m.

Nonstop3h 59m

Calgary

Thu 12/6

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

Nonstop3h 25m

C$ 320

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Fri 9/5

1:40 p.m.-11:01 p.m.

1 stop10h 21m

Calgary

Sat 17/5

2:00 p.m.-9:40 p.m.

1 stop6h 40m

C$ 348

ChicagoCalgary

MDW - YYC

MDWYYC

Chicago Midway

Thu 8/5

9:16 a.m.-8:40 p.m.

2 stops12h 24m

Calgary

Sun 11/5

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

1 stop5h 45m

C$ 391

ChicagoCalgary

MDW - YYC

MDWYYC

Chicago Midway

Fri 8/8

6:20 a.m.-8:00 p.m.

1 stop14h 40m

Calgary

Mon 11/8

12:30 a.m.-10:40 a.m.

1 stop9h 10m

C$ 442

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 10/6

8:35 a.m.-11:29 p.m.

1 stop15h 54m

Calgary

Wed 18/6

6:29 a.m.-8:30 p.m.

1 stop13h 01m

C$ 452

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sun 20/7

6:05 a.m.-10:17 p.m.

2 stops17h 12m

Calgary

Fri 25/7

4:20 p.m.-9:11 a.m.

1 stop15h 51m

C$ 476

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/4

Showing 1-10 of 34 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$ 139). 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 25 April 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.

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 25 April 2025.

The most flights from USIL to YYC are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 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 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 25 April 2025.
See what other customers who have flown with Alaska Airlines, Porter Airlines and Delta from Illinois to Calgary have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
8.0
Very good

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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$ 107. Air Canada flights start at C$ 110 while deals on WestJet start at C$ 111 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 (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 C$ 100. On average you can expect to pay C$ 194. The most popular route, (Chicago O'Hare Intl - Calgary), can usually be booked for C$ 244.

  • 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$ 139). 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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Alternative routes for Illinois to Calgary

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

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 25 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 128AverageC$ 657FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 144AverageC$ 289FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 195AverageC$ 601FlexibilityNo 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.

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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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