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Cheap flights from Calgary to Illinois from C$ 151

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
26 Nov — 3 Dec1
1 adult

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 21 November 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 21 November 2024.

Sat 7/127:00 a.m.YYC - ORD
1 stop8h 58mDelta
Tue 10/1212:35 p.m.ORD - YYC
2 stops11h 41mDelta
Deal found 20/11C$ 309
Wed 4/128:30 a.m.YYC - ORD
1 stop9h 06mAir Canada
Sat 7/1212:52 p.m.ORD - YYC
1 stop11h 26mAir Canada
Deal found 20/11C$ 349
Sat 7/127:00 a.m.YYC - MDW
1 stop10h 32mDelta
Tue 10/129:30 a.m.MDW - YYC
2 stops12h 08mDelta
Deal found 20/11C$ 356
Tue 17/126:55 p.m.YYC - ORD
1 stop9h 47mMultiple Airlines
Thu 19/128:34 p.m.ORD - YYC
1 stop27h 21mMultiple Airlines
Deal found 19/11C$ 414
Thu 21/1112:41 p.m.YYC - ORD
Nonstop3h 28mUnited Airlines
Fri 29/118:45 a.m.ORD - YYC
Nonstop3h 54mUnited Airlines
Deal found 19/11C$ 437
Tue 3/129:45 p.m.YYC - MDW
2 stops12h 57mMultiple Airlines
Mon 9/1212:05 p.m.MDW - YYC
1 stop12h 20mMultiple Airlines
Deal found 19/11C$ 621
Fri 29/116:29 a.m.YYC - ORD
1 stop11h 51mAmerican Airlines
Sun 1/127:00 a.m.ORD - YYC
1 stop15h 51mAmerican Airlines
Deal found 19/11C$ 679
Thu 21/1112:45 p.m.YYC - STL
1 stop19h 09mAmerican Airlines
Sun 24/115:17 a.m.STL - YYC
1 stop7h 28mAmerican Airlines
Deal found 20/11C$ 688
Thu 5/1211:30 a.m.YYC - ORD
1 stop28h 24mAlaska Airlines
Mon 9/126:32 a.m.ORD - YYC
1 stop29h 08mAlaska Airlines
Deal found 20/11C$ 738
Wed 4/129:20 a.m.YYC - ORD
2 stops12h 23mWestJet
Sat 7/126:20 a.m.ORD - YYC
2 stops13h 11mWestJet
Deal found 20/11C$ 774
Tue 3/129:45 p.m.YYC - MDW
2 stops11h 05mWestJet
Mon 9/127:14 p.m.MDW - YYC
2 stops24h 54mWestJet
Deal found 19/11C$ 778
Thu 21/116:40 a.m.YYC - STL
2 stops16h 01mWestJet
Sun 24/1110:21 a.m.STL - YYC
1 stop28h 29mWestJet
Deal found 20/11C$ 797

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 645,034 searches. Data last updated 21 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Thu 9/1

8:30 a.m.-6:38 p.m.

1 stop9h 08m

Chicago O'Hare Intl

Mon 13/1

4:00 p.m.-11:18 p.m.

1 stop8h 18m

C$ 300

CalgaryChicago

YYC - MDW

YYCMDW

Calgary

Wed 8/1

6:35 a.m.-12:46 p.m.

1 stop5h 11m

Chicago Midway

Sun 12/1

9:34 a.m.-8:53 p.m.

2 stops12h 19m

C$ 309

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Sat 7/12

7:00 a.m.-4:58 p.m.

1 stop8h 58m

Chicago O'Hare Intl

Tue 10/12

12:35 p.m.-11:16 p.m.

2 stops11h 41m

C$ 309

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Wed 30/4

7:00 a.m.-10:21 p.m.

2 stops14h 21m

Chicago O'Hare Intl

Mon 5/5

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

Nonstop3h 49m

C$ 354

CalgaryChicago

YYC - MDW

YYCMDW

Calgary

Thu 23/1

12:30 a.m.-11:54 a.m.

1 stop10h 24m

Chicago Midway

Sun 26/1

12:43 p.m.-10:55 p.m.

1 stop11h 12m

C$ 379

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 17/1

6:35 a.m.-8:56 p.m.

2 stops13h 21m

Lambert-St Louis

Mon 20/1

3:35 p.m.-8:53 p.m.

1 stop6h 18m

C$ 419

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 10/1

6:15 a.m.-3:06 p.m.

1 stop7h 51m

Lambert-St Louis

Mon 13/1

3:50 p.m.-11:18 p.m.

1 stop8h 28m

C$ 428

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 17/1

6:29 a.m.-7:30 p.m.

1 stop12h 01m

Lambert-St Louis

Mon 20/1

1:40 p.m.-9:57 p.m.

1 stop9h 17m

C$ 439

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 17/1

9:45 p.m.-9:54 a.m.

2 stops11h 09m

Lambert-St Louis

Mon 20/1

10:22 a.m.-7:08 p.m.

2 stops9h 46m

C$ 456

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 10/1

6:29 a.m.-7:30 p.m.

1 stop12h 01m

Lambert-St Louis

Mon 13/1

3:41 p.m.-9:57 p.m.

1 stop7h 16m

C$ 481

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/11

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, January is the cheapest month in which you can book a flight from Calgary to Illinois (average of C$ 261). Flying from Calgary to Illinois in May is currently the most expensive (average of C$ 342). 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 21 November 2024.

When flying from Calgary to Illinois, 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 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 21 November 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 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.

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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

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 21 November 2024.
Read reviews from past customers who have flown Air Canada, United Airlines and Delta from Calgary to Illinois. 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.
8.0
Very good
9,458 reviews

Comfort

7.9

Food

7.2

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.2

Reviews

1 / 10

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

8.0
Very good
9,458 reviews
8.0
Very good
9,458 reviews

Comfort

7.9

Food

7.2

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.2

Reviews

1 / 10

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

8.0
Very good
8,758 reviews
8.0
Very good
9,458 reviews

Comfort

7.9

Food

7.2

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.2

Reviews

1 / 10

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

7.8
Good
286 reviews
8.0
Very good
9,458 reviews

Comfort

7.9

Food

7.2

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.2

Reviews

1 / 10

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

7.4
Good
9,172 reviews
8.0
Very good
9,458 reviews

Comfort

7.9

Food

7.2

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.2

Reviews

1 / 10

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

7.3
Good
2,810 reviews
8.0
Very good
9,458 reviews

Comfort

7.9

Food

7.2

Overall

8.0

Crew

8.5

Entertainment

7.1

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?

    If you book a flight to Illinois from Calgary, you will be flying from Calgary, which is the city’s only airport. Calgary (YYC) is located 9.3 km from the centre of Calgary.

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

    C$ 151 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Canada and Delta, with prices starting from C$ 165 and C$ 190, respectively.

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

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

    Before booking your flight to Illinois from Calgary, check out the most reliable airlines to get you to your destination on time: Air Canada (92%), United Airlines (92%), WestJet( 92%).

  • What are the cheapest flights from Calgary to Illinois?

    Looking for the cheapest flight from Calgary to Illinois? While on average our users pay C$ 932, our data indicates the cheapest price to be C$ 304. The most popular route (Calgary - Chicago O'Hare Intl), is priced around C$ 278.

  • 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, January is the cheapest month in which you can book a flight from Calgary to Illinois (average of C$ 261). Flying from Calgary to Illinois in May is currently the most expensive (average of C$ 342). 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

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Alternative routes for Calgary to Illinois

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

Top 6 airlines flying from Calgary to Illinois

Discover the top 6 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 645,034 searches. Data last updated 21 November 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 198AverageC$ 426FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 233AverageC$ 419FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 284AverageC$ 555FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 309AverageC$ 406FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 322AverageC$ 1,173FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJet EncoreCheapestC$ 563AverageC$ 994FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore 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 Calgary to Illinois?

When you search for this flight from Calgary to Illinois, 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 Calgary to Illinois?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Illinois from Calgary.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Calgary to Illinois flexibly with Cheapflights today.

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

Of course! You can now track prices for flights from Calgary to Illinois 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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