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?

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 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.

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 most popular airlines that fly from Calgary to Illinois?

Before booking your flight from Calgary to Illinois check out the most popular airlines for this route: American Airlines, Air Canada or Delta.

How far in advance should I book a flight from Calgary to Illinois?

Travellers have found it’s best to book a flight 49 days in advance to save up to 15% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 49 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Calgary to Illinois 1-2 weeks in advance for as low as C$ 400, or C$ 405 for flights within the next 24 hours.

What is the cheapest month to fly from Calgary to Illinois?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to Illinois. Flights to Illinois from Calgary in September are about C$ 510 on average during September, but can be found for as low as C$ 141.

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.

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.

C$ 151+ Flights from Calgary, Canada to Illinois

Cheap flight deals from Calgary to Illinois

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

Best flights from Calgary to Illinois
Discover carefully curated flight deals from Calgary to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 November 2024.

Thu 9/18:30 a.m.YYC - ORD

1 stop9h 08mAir Canada

Mon 13/14:00 p.m.ORD - YYC

1 stop8h 18mAir Canada

Deal found 21/11C$ 300

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 30/47:00 a.m.YYC - ORD

2 stops14h 21mMultiple Airlines

Mon 5/55:30 p.m.ORD - YYC

Nonstop3h 49mMultiple Airlines

Deal found 20/11C$ 354

Fri 17/19:45 p.m.YYC - STL

2 stops11h 09mWestJet

Mon 20/110:22 a.m.STL - YYC

2 stops9h 46mWestJet

Deal found 20/11C$ 456

Fri 10/16:29 a.m.YYC - STL

1 stop12h 01mAmerican Airlines

Mon 13/13:41 p.m.STL - YYC

1 stop7h 16mAmerican Airlines

Deal found 20/11C$ 481

Tue 1/412:30 p.m.YYC - ORD

Nonstop3h 20mUnited Airlines

Tue 8/49:00 a.m.ORD - YYC

Nonstop3h 54mUnited Airlines

Deal found 20/11C$ 489

Wed 8/16:35 a.m.YYC - MDW

1 stop5h 11mDelta

Sun 12/19:34 a.m.MDW - YYC

2 stops12h 19mDelta

Deal found 20/11C$ 309

Wed 30/46:55 p.m.YYC - ORD

2 stops17h 08mAlaska Airlines

Mon 5/53:21 p.m.ORD - YYC

2 stops20h 16mAlaska Airlines

Deal found 20/11C$ 639

Thu 23/112:30 a.m.YYC - MDW

1 stop10h 24mMultiple Airlines

Sun 26/112:43 p.m.MDW - YYC

1 stop11h 12mMultiple Airlines

Deal found 20/11C$ 379

Tue 17/127:10 a.m.YYC - MDW

1 stop27h 00mPorter Airlines

Thu 19/125:35 p.m.MDW - YYC

1 stop22h 53mPorter Airlines

Deal found 19/11C$ 801

Fri 10/16:15 a.m.YYC - STL

1 stop7h 51mAir Canada

Mon 13/13:50 p.m.STL - YYC

1 stop8h 28mAir Canada

Deal found 20/11C$ 428

Fri 17/16:35 a.m.YYC - STL

2 stops13h 21mDelta

Mon 20/13:35 p.m.STL - YYC

1 stop6h 18mDelta

Deal found 20/11C$ 419

Direct flights from Calgary to Illinois
Explore direct flight options from Calgary to Illinois based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 November 2024.

Tue 1/412:30 p.m.YYC - ORD

Nonstop3h 20mUnited Airlines

Tue 8/49:00 a.m.ORD - YYC

Nonstop3h 54mUnited Airlines

Deal found 20/11C$ 489

Wed 30/41:20 p.m.YYC - ORD

Nonstop3h 25mAmerican Airlines

Mon 5/59:45 a.m.ORD - YYC

Nonstop3h 45mAmerican Airlines

Deal found 20/11C$ 530

Fri 7/312:41 p.m.YYC - ORD

Nonstop3h 29mAir Canada

Tue 11/38:47 a.m.ORD - YYC

Nonstop3h 54mAir Canada

Deal found 19/11C$ 751

Last-minute flights from Calgary to Illinois
Discover last-minute flight deals from Calgary to Illinois. Data last updated 21 November 2024 and is based on user searches.

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

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 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

Wed 27/1112:20 a.m.YYC - ORD

2 stops17h 30mWestJet

Sun 1/124:06 p.m.ORD - YYC

2 stops16h 41mWestJet

Deal found 20/11C$ 970

Wed 27/1112:20 a.m.YYC - ORD

2 stops21h 54mAeromexico

Sat 30/111:00 a.m.ORD - YYC

2 stops35h 04mAeromexico

Deal found 20/11C$ 2,766

Thu 28/1112:41 p.m.YYC - ORD

Nonstop3h 27mMultiple Airlines

Sun 1/127:28 a.m.ORD - YYC

1 stop14h 26mMultiple Airlines

Deal found 20/11C$ 604

Thu 28/1112:41 p.m.YYC - ORD

Nonstop3h 27mAir Canada

Sun 1/128:45 a.m.ORD - YYC

Nonstop3h 54mAir Canada

Deal found 20/11C$ 945

Thu 28/1112:41 p.m.YYC - ORD

Nonstop3h 27mUnited Airlines

Sat 30/1112:08 a.m.ORD - YYC

1 stop15h 13mUnited Airlines

Deal found 20/11C$ 966

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

Fri 29/117:35 a.m.YYC - MDW

1 stop12h 51mMultiple Airlines

Sun 1/1212:05 p.m.MDW - YYC

1 stop10h 40mMultiple Airlines

Deal found 19/11C$ 988

Fri 29/116:00 a.m.YYC - MDW

2 stops11h 32mWestJet

Sun 1/1212:43 p.m.MDW - YYC

2 stops21h 23mWestJet

Deal found 19/11C$ 1,160

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

One-way flights from Calgary to Illinois
Search for one-way flight options from Calgary to Illinois. Find affordable one-way fares based on user searches. Data last updated 21 November 2024.

Mon 3/311:30 a.m.YYC - ORD

Nonstop3h 26mWestJet

Deal found 21/11C$ 151

Sat 18/18:30 a.m.YYC - ORD

1 stop9h 08mAir Canada

Deal found 20/11C$ 165

Sat 7/127:00 a.m.YYC - ORD

2 stops13h 12mDelta

Deal found 19/11C$ 190

Wed 8/16:35 a.m.YYC - MDW

2 stops10h 39mDelta

Deal found 20/11C$ 190

Fri 10/17:10 p.m.YYC - ORD

1 stop19h 00mMultiple Airlines

Deal found 20/11C$ 201

Fri 21/21:32 p.m.YYC - ORD

Nonstop3h 31mAmerican Airlines

Deal found 20/11C$ 205

Tue 7/19:45 p.m.YYC - MDW

2 stops19h 12mMultiple Airlines

Deal found 20/11C$ 222

Wed 4/126:15 a.m.YYC - STL

1 stop7h 51mAir Canada

Deal found 20/11C$ 233

Mon 3/36:59 p.m.YYC - ORD

2 stops17h 05mAlaska Airlines

Deal found 20/11C$ 284

Wed 4/1212:30 p.m.YYC - STL

2 stops8h 25mWestJet

Deal found 20/11C$ 285

Fri 14/212:41 p.m.YYC - ORD

Nonstop3h 27mUnited Airlines

Deal found 20/11C$ 354

Wed 4/126:40 a.m.YYC - STL

3 stops31h 41mMultiple Airlines

Deal found 20/11C$ 387

Find flights from Calgary to Illinois within your budget

Fly from

Fly to

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

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?

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

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

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

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

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.

Alaska Airlines

8.0

Very good

9,458 reviews

Check prices

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

Check prices

Reviews

1 / 10

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

Delta

8.0

Very good

8,758 reviews

Alaska Airlines

8.0

Very good

9,458 reviews

Check prices

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

Check prices

Reviews

1 / 10

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

United Airlines

7.4

Good

9,172 reviews

Alaska Airlines

8.0

Very good

9,458 reviews

Check prices

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

Check prices

Reviews

1 / 10

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

Related info for your journey

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?
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 (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

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

Illinois car rentals

Chicago O'Hare Intl Airport car rentals

Chicago Midway Airport car rentals

Moline Quad-City Airport car rentals

Greater Peoria Airport car rentals

Bloomington-Normal Airport car rentals

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Marion Williamson County Airport car rentals

Quincy Regional Airport car rentals

Direct flights to United States

Top 6 airlines flying from Calgary to Illinois

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	CheapestC$ 198	AverageC$ 426	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
WestJet	CheapestC$ 233	AverageC$ 419	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Air Canada	CheapestC$ 284	AverageC$ 555	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Delta	CheapestC$ 309	AverageC$ 406	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
United Airlines	CheapestC$ 322	AverageC$ 1,173	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
WestJet Encore	CheapestC$ 563	AverageC$ 994	FlexibilityNo cancel fee	On-timeN/A	Search WestJet Encore flights

Fly with Cheapflights

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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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.

Cheap flight deals from Calgary to Illinois

Find flight deals from Calgary to Illinois

Cheapest flights from Calgary to IllinoisExplore 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.

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.

Find flights from Calgary to Illinois within your budget

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.

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?

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.

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.

Rainfall in Illinois by month

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

Temperature in Illinois by month

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

Reviews of airlines servicing Illinois

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.

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.

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Top 6 airlines flying from Calgary to Illinois

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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.