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$108+ Cheap flights from Calgary (YYC) to Illinois

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — ORD
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Calgary to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Calgary (YYC) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

Find flight deals from Calgary to Illinois

Cheapest flights from Calgary to Illinois
Explore the most affordable flight options available from Calgary to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This Delta deal was found by Cheapflights users on 11/20. 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.
Sat 12/77:00 amYYC - ORD
1 stop8h 58mDelta
Tue 12/1012:35 pmORD - YYC
2 stops11h 41mDelta
Deal found 11/20$221
This Air Canada deal was found by Cheapflights users on 11/20. 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.
Wed 12/48:30 amYYC - ORD
1 stop9h 06mAir Canada
Sat 12/712:52 pmORD - YYC
1 stop11h 26mAir Canada
Deal found 11/20$250
This Delta deal was found by Cheapflights users on 11/20. 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.
Sat 12/77:00 amYYC - MDW
1 stop10h 32mDelta
Tue 12/109:30 amMDW - YYC
2 stops12h 08mDelta
Deal found 11/20$255
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 12/176:55 pmYYC - ORD
1 stop9h 47mMultiple Airlines
Thu 12/198:34 pmORD - YYC
1 stop27h 21mMultiple Airlines
Deal found 11/19$296
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Thu 11/2112:41 pmYYC - ORD
Nonstop3h 28mUnited Airlines
Fri 11/298:45 amORD - YYC
Nonstop3h 54mUnited Airlines
Deal found 11/19$313
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 12/39:45 pmYYC - MDW
2 stops12h 57mMultiple Airlines
Mon 12/912:05 pmMDW - YYC
1 stop12h 20mMultiple Airlines
Deal found 11/19$444
This American Airlines deal was found by Cheapflights users on 11/19. 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.
Fri 11/296:29 amYYC - ORD
1 stop11h 51mAmerican Airlines
Sun 12/17:00 amORD - YYC
1 stop15h 51mAmerican Airlines
Deal found 11/19$486
This American Airlines deal was found by Cheapflights users on 11/20. 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 11/2112:45 pmYYC - STL
1 stop19h 09mAmerican Airlines
Sun 11/245:17 amSTL - YYC
1 stop7h 28mAmerican Airlines
Deal found 11/20$492
This Alaska Airlines deal was found by Cheapflights users on 11/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/511:30 amYYC - ORD
1 stop28h 24mAlaska Airlines
Mon 12/96:32 amORD - YYC
1 stop29h 08mAlaska Airlines
Deal found 11/20$528
This WestJet deal was found by Cheapflights users on 11/20. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/49:20 amYYC - ORD
2 stops12h 23mWestJet
Sat 12/76:20 amORD - YYC
2 stops13h 11mWestJet
Deal found 11/20$554
This WestJet deal was found by Cheapflights users on 11/19. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/39:45 pmYYC - MDW
2 stops11h 05mWestJet
Mon 12/97:14 pmMDW - YYC
2 stops24h 54mWestJet
Deal found 11/19$557
This WestJet deal was found by Cheapflights users on 11/20. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/216:40 amYYC - STL
2 stops16h 01mWestJet
Sun 11/2410:21 amSTL - YYC
1 stop28h 29mWestJet
Deal found 11/20$570

Find flights from Calgary to Illinois within your budget

Customize your flight search to find flights from Calgary to Illinois 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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Thu 1/9

8:30 am-6:38 pm

1 stop9h 08m

Chicago O'Hare Intl

Mon 1/13

4:00 pm-11:18 pm

1 stop8h 18m

$215

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Sat 12/7

7:00 am-4:58 pm

1 stop8h 58m

Chicago O'Hare Intl

Tue 12/10

12:35 pm-11:16 pm

2 stops11h 41m

$221

CalgaryChicago

YYC - MDW

YYCMDW

Calgary

Wed 1/8

6:35 am-6:14 pm

2 stops10h 39m

Chicago Midway

Sun 1/12

9:34 am-8:53 pm

2 stops12h 19m

$221

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Wed 4/30

7:00 am-10:21 pm

2 stops14h 21m

Chicago O'Hare Intl

Mon 5/5

5:30 pm-8:19 pm

Nonstop3h 49m

$253

CalgaryChicago

YYC - MDW

YYCMDW

Calgary

Thu 1/23

12:30 am-11:54 am

1 stop10h 24m

Chicago Midway

Sun 1/26

12:43 pm-10:55 pm

1 stop11h 12m

$271

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 1/17

6:35 am-8:56 pm

2 stops13h 21m

Lambert-St Louis

Mon 1/20

3:35 pm-8:53 pm

1 stop6h 18m

$300

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 1/10

6:15 am-3:06 pm

1 stop7h 51m

Lambert-St Louis

Mon 1/13

3:50 pm-11:18 pm

1 stop8h 28m

$306

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 1/17

6:29 am-7:30 pm

1 stop12h 01m

Lambert-St Louis

Mon 1/20

1:40 pm-9:57 pm

1 stop9h 17m

$314

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 1/17

9:45 pm-9:54 am

2 stops11h 09m

Lambert-St Louis

Mon 1/20

10:22 am-7:08 pm

2 stops9h 46m

$326

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 1/10

6:29 am-7:30 pm

1 stop12h 01m

Lambert-St Louis

Mon 1/13

3:41 pm-9:57 pm

1 stop7h 16m

$344

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 32 results
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Best time to book a flight from Calgary to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Calgary 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.

Travel insights for flights from Calgary to Illinois

Get recent, data-driven insights about flights from Calgary to Illinois including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Calgary to Illinois (average of $232). Flying from Calgary to Illinois in June is currently the most expensive (average of $308). 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 YYC to IL?

Find hourly flight availability from Calgary to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

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

Weekly flight availability from Calgary to Illinois

Explore weekly flight availability from Calgary to Illinois. 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 November 21, 2024.

The most flights from YYC to USIL 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).

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated November 21, 2024.
Read through reviews of airlines operating flights from Calgary to Illinois, such as Air Canada, Delta and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,458 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.2

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Alaska Airlines
8.0
Very good
9,458 reviews
Alaska Airlines
8.0
Very good
9,458 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.2

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Delta
8.0
Very good
8,759 reviews
Alaska Airlines
8.0
Very good
9,458 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.2

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Porter Airlines
7.8
Good
286 reviews
Alaska Airlines
8.0
Very good
9,458 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.2

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

United Airlines
7.4
Good
9,173 reviews
Alaska Airlines
8.0
Very good
9,458 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.2

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

WestJet
7.3
Good
2,810 reviews
Alaska Airlines
8.0
Very good
9,458 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.2

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Related info for your journey

Find useful and relevant information for your journey from Calgary to Illinois. 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 from for flights from Calgary to Illinois?

    Calgary (YYC) is the airport you will fly out of if you book a flight from Calgary to Illinois. It is only a 5.8 mi journey to Calgary (YYC) from Calgary’s city center.

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

    The cheapest airlines for a one-way flight from Calgary to Illinois are WestJet ($108), Air Canada ($118), and Delta ($136).

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

    Most travelers choose Calgary - Chicago O'Hare Intl, Calgary - Chicago Midway or Calgary - Lambert-St Louis when deciding on the best route from Calgary to Illinois.

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

    Consider Air Canada (92%), United Airlines (92%) or WestJet (92%) when booking your flight. These represent the most reliable airlines when flying from Calgary to Illinois.

  • What are the cheapest flights from Calgary to Illinois?

    Looking for the cheapest flight from Calgary to Illinois? While on average our users pay $416, our data indicates the cheapest price to be $110. The most popular route (Calgary - Chicago O'Hare Intl), is priced around $199.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Calgary to Illinois 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 Calgary to Illinois?

    Currently, September is the cheapest month in which you can book a flight from Calgary to Illinois (average of $232). Flying from Calgary to Illinois in June is currently the most expensive (average of $308). 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.

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Top 4 airlines flying from Calgary to Illinois

Discover the top 4 airlines that operate flights from Calgary to Illinois. 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$186Average$307FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$213Average$412FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$219Average$443FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$226Average$403FlexibilityNo cancel feeOn-time69%
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