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Cheap flights from Calgary to Illinois from C$ 127

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
23 Dec — 30 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 18 December 2024.

Round-trip from

C$ 297

One-way from

C$ 127
WestJet
  • WestJet
  • 30/1-20/2
  • 2 total stops
  • 23h 16m total
  • Calgary to Illinois
Search Deals
WestJet
  • WestJet
  • 3/3
  • Nonstop
  • 3h 26m total
  • Calgary to Illinois
Search Deals

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 18 December 2024.

Mon 23/1212:45 p.m.YYC - ORD
1 stop17h 35mAmerican Airlines
Fri 27/127:09 a.m.ORD - YYC
1 stop15h 46mAmerican Airlines
Deal found 17/12C$ 431
Tue 31/126:00 a.m.YYC - ORD
2 stops10h 38mMultiple Airlines
Sat 25/16:20 a.m.ORD - YYC
1 stop18h 30mMultiple Airlines
Deal found 18/12C$ 444
Sun 22/127:00 a.m.YYC - ORD
1 stop9h 09mDelta
Wed 25/127:30 a.m.ORD - YYC
1 stop11h 43mDelta
Deal found 17/12C$ 543
Tue 24/1212:55 a.m.YYC - ORD
1 stop8h 59mAir Canada
Wed 25/1212:56 p.m.ORD - YYC
1 stop11h 22mAir Canada
Deal found 17/12C$ 588
Sun 22/121:30 p.m.YYC - ORD
1 stop8h 50mUnited Airlines
Mon 30/128:45 a.m.ORD - YYC
Nonstop3h 54mUnited Airlines
Deal found 17/12C$ 791
Sun 29/1212:20 a.m.YYC - MDW
1 stop15h 20mMultiple Airlines
Wed 22/110:19 a.m.MDW - YYC
1 stop11h 34mMultiple Airlines
Deal found 16/12C$ 924
Wed 25/127:00 a.m.YYC - ORD
1 stop6h 38mWestJet
Sun 29/126:20 a.m.ORD - YYC
2 stops13h 11mWestJet
Deal found 18/12C$ 953
Mon 23/127:00 a.m.YYC - STL
1 stop6h 49mWestJet
Mon 23/125:17 p.m.STL - YYC
1 stop19h 27mWestJet
Deal found 18/12C$ 1,040
Mon 30/1212:50 p.m.YYC - MDW
1 stop20h 30mPorter Airlines
Mon 20/11:05 p.m.MDW - YYC
1 stop23h 35mPorter Airlines
Deal found 16/12C$ 1,144
Fri 27/126:30 p.m.YYC - MDW
2 stops22h 14mWestJet
Mon 30/1211:48 a.m.MDW - YYC
2 stops10h 58mWestJet
Deal found 18/12C$ 1,224
Wed 18/126:00 a.m.YYC - MDW
2 stops11h 32mDelta
Sat 21/129:30 a.m.MDW - YYC
2 stops12h 37mDelta
Deal found 17/12C$ 1,328
Mon 23/126:19 a.m.YYC - STL
1 stop5h 29mUnited Airlines
Mon 23/124:43 p.m.STL - YYC
1 stop5h 58mUnited Airlines
Deal found 17/12C$ 1,484

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 629,999 searches. Data last updated 18 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Thu 16/1

12:50 a.m.-8:57 a.m.

1 stop7h 07m

Chicago O'Hare Intl

Mon 20/1

4:51 p.m.-1:18 a.m.

1 stop9h 27m

C$ 257

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Thu 30/1

12:20 a.m.-8:45 p.m.

2 stops19h 25m

Chicago O'Hare Intl

Thu 20/2

4:45 p.m.-7:36 p.m.

Nonstop3h 51m

C$ 297

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Fri 24/1

6:35 a.m.-5:29 p.m.

1 stop9h 54m

Chicago O'Hare Intl

Fri 31/1

1:45 p.m.-11:18 p.m.

1 stop10h 33m

C$ 310

CalgaryChicago

YYC - MDW

YYCMDW

Calgary

Tue 14/1

6:35 a.m.-5:47 p.m.

1 stop10h 12m

Chicago Midway

Tue 21/1

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

2 stops12h 19m

C$ 311

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sat 1/2

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

1 stop7h 51m

Lambert-St Louis

Sat 8/2

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

1 stop8h 28m

C$ 416

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 10/1

6:35 a.m.-9:49 p.m.

2 stops14h 14m

Lambert-St Louis

Mon 13/1

5:00 p.m.-11:18 p.m.

1 stop7h 18m

C$ 424

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Mon 23/12

12:45 p.m.-7:20 a.m.

1 stop17h 35m

Chicago O'Hare Intl

Fri 27/12

7:09 a.m.-9:55 p.m.

1 stop15h 46m

C$ 431

CalgaryChicago

YYC - MDW

YYCMDW

Calgary

Thu 16/1

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

1 stop10h 24m

Chicago Midway

Thu 23/1

7:21 p.m.-11:44 a.m.

1 stop17h 23m

C$ 453

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Tue 18/2

7:00 a.m.-10:17 p.m.

2 stops14h 17m

Lambert-St Louis

Mon 24/2

5:30 p.m.-7:05 p.m.

2 stops26h 35m

C$ 454

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Thu 30/1

12:41 p.m.-5:15 p.m.

Nonstop3h 34m

Chicago O'Hare Intl

Wed 19/2

8:53 a.m.-11:39 a.m.

Nonstop3h 46m

C$ 571

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/12

Showing 1-10 of 35 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 18 December 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.

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 18 December 2024.
Read reviews from past customers who have flown WestJet, Alaska Airlines and American Airlines 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.
Alaska Airlines
8.0
Very good
9,554 reviews
Check prices

Entertainment

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.2

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Alaska Airlines
8.0
Very good
9,554 reviews
Alaska Airlines
8.0
Very good
9,554 reviews
Check prices

Entertainment

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.2

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Delta
8.0
Very good
8,604 reviews
Alaska Airlines
8.0
Very good
9,554 reviews
Check prices

Entertainment

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.2

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Porter Airlines
7.9
Good
283 reviews
Alaska Airlines
8.0
Very good
9,554 reviews
Check prices

Entertainment

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.2

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

KLM
7.8
Good
1,349 reviews
Alaska Airlines
8.0
Very good
9,554 reviews
Check prices

Entertainment

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.2

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

United Airlines
7.4
Good
9,055 reviews
Alaska Airlines
8.0
Very good
9,554 reviews
Check prices

Entertainment

7.1

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.2

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

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$ 127 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$ 140 and C$ 191, respectively.

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

    While some choose either Calgary - Chicago Midway or Calgary - Lambert-St Louis, Calgary - Chicago O'Hare Intl is the most popular route 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 (80%), Emirates (80%), United Airlines( 80%).

  • 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$ 1,398, our data indicates the cheapest price to be C$ 142. The most popular route (Calgary - Chicago O'Hare Intl), is priced around C$ 299.

  • 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

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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 629,999 searches. Data last updated 18 December 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 202AverageC$ 435FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 238AverageC$ 430FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 293AverageC$ 576FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 316AverageC$ 419FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 329AverageC$ 623FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJet EncoreCheapestC$ 575AverageC$ 1,016FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights

Fly with Cheapflights

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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.

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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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