How long is the flight from Illinois to Calgary?

There are many flights that can get you from Illinois to Calgary in 3h 48m. Fly via United Airlines or Delta to get the fastest option. Illinois and Calgary are separated by a distance of 2223 km. Both multi-stop and direct flights can be found to your destination and back.

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

To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at C$ 79. United Airlines flights start at C$ 88 while deals on American Airlines start at C$ 175 one-way.

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.

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).

What are the most popular routes from Illinois to Calgary?

The most popular route from Illinois to Calgary is Chicago O'Hare Intl - Calgary. You may also consider Chicago Midway - Calgary or Lambert-St Louis - Calgary.

What are the cheapest flights from Illinois to Calgary?

The cheapest flight price from Illinois to Calgary is C$ 186. On average you can expect to pay C$ 359. The most popular route, (Chicago O'Hare Intl - Calgary), can usually be booked for C$ 359.

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: American Airlines (71%), Porter Airlines (67%), Air Canada (64%).

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.

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.

C$ 143+ Cheap Flights from Illinois to Calgary

Cheap flight deals from Illinois to Calgary

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 14 September 2026.

Mon 19/102:15 p.m. -

1 stop7h 50m

Mon 26/1012:20 a.m. -

1 stop8h 03m

Deal found 10/9C$ 350

Thu 22/108:45 a.m. -

1 stop8h 12m

Tue 27/1012:20 a.m. -

1 stop8h 03m

Deal found 11/9C$ 351

Thu 15/102:15 p.m. -

1 stop9h 42m

Sat 17/1012:50 a.m. -

1 stop7h 10m

Deal found 13/9C$ 354

Thu 22/108:45 a.m. -

1 stop8h 12m

Fri 30/1012:45 a.m. -

1 stop9h 22m

Deal found 9/9C$ 355

Mon 19/108:40 a.m. -

Nonstop3h 48m

Tue 27/101:51 p.m. -

Nonstop3h 45m

Deal found 11/9C$ 361

Sat 3/102:15 p.m. -

1 stop7h 50m

Mon 5/1012:55 a.m. -

1 stop8h 17m

Deal found 9/9C$ 362

Wed 18/114:30 p.m. -

1 stop8h 36m

Mon 23/111:37 p.m. -

Nonstop2h 33m

Deal found 12/9C$ 363

Thu 15/102:15 p.m. -

1 stop7h 50m

Sun 18/1012:00 p.m. -

Nonstop3h 40m

Deal found 13/9C$ 366

Wed 18/118:40 a.m. -

Nonstop4h 55m

Mon 23/111:37 p.m. -

Nonstop2h 33m

Deal found 13/9C$ 368

Sat 3/102:15 p.m. -

1 stop7h 50m

Tue 6/1012:50 a.m. -

1 stop7h 10m

Deal found 9/9C$ 369

Sat 3/102:00 p.m. -

1 stop7h 43m

Wed 7/107:45 a.m. -

1 stop8h 02m

Deal found 11/9C$ 420

Mon 9/116:44 p.m. -

1 stop18h 21m

Thu 12/111:25 a.m. -

1 stop15h 15m

Deal found 13/9C$ 433

Best flights from Illinois to Calgary
Discover carefully curated flight deals from Illinois to Calgary that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 14 September 2026.

Sat 24/108:40 a.m. -

Nonstop3h 48m

Wed 28/1012:37 p.m. -

Nonstop3h 33m

Deal found 11/9C$ 386

Sat 7/118:40 a.m. -

Nonstop4h 55m

Tue 10/117:00 a.m. -

1 stop7h 38m

Deal found 9/9C$ 404

Fri 25/92:05 p.m. -

1 stop10h 01m

Tue 29/96:35 a.m. -

1 stop9h 24m

Deal found 10/9C$ 420

Sat 24/105:22 p.m. -

1 stop20h 29m

Sat 31/106:45 a.m. -

2 stops13h 28m

Deal found 9/9C$ 553

Thu 22/106:00 a.m. -

1 stop16h 48m

Sat 31/1012:37 p.m. -

Nonstop3h 33m

Deal found 9/9C$ 398

Wed 14/106:00 a.m. -

1 stop16h 48m

Sat 17/1012:50 a.m. -

1 stop7h 10m

Deal found 12/9C$ 418

Thu 1/102:05 p.m. -

1 stop10h 01m

Tue 6/106:35 a.m. -

1 stop10h 35m

Deal found 14/9C$ 420

Thu 5/118:40 a.m. -

Nonstop4h 55m

Mon 9/113:06 p.m. -

1 stop5h 24m

Deal found 10/9C$ 406

Wed 3/39:00 a.m. -

Nonstop4h 54m

Fri 12/37:00 a.m. -

1 stop7h 38m

Deal found 10/9C$ 460

Tue 29/96:00 a.m. -

1 stop16h 48m

Thu 1/106:00 a.m. -

1 stop16h 59m

Deal found 13/9C$ 420

Thu 21/112:30 p.m. -

1 stop10h 24m

Tue 26/18:45 a.m. -

2 stops12h 25m

Deal found 13/9C$ 491

Thu 21/18:40 a.m. -

Nonstop4h 55m

Tue 26/11:37 p.m. -

Nonstop2h 33m

Deal found 13/9C$ 442

Wed 27/17:30 a.m. -

1 stop7h 37m

Sun 31/18:45 a.m. -

2 stops8h 55m

Deal found 9/9C$ 491

Fri 23/1012:27 p.m. -

1 stop9h 13m

Fri 30/107:45 a.m. -

1 stop8h 02m

Deal found 13/9C$ 494

Wed 27/112:30 p.m. -

2 stops12h 43m

Sun 31/18:45 a.m. -

2 stops8h 52m

Deal found 9/9C$ 498

Sat 31/108:50 a.m. -

1 stop14h 03m

Sun 8/117:00 a.m. -

1 stop7h 26m

Deal found 10/9C$ 710

Wed 28/1012:27 p.m. -

2 stops11h 43m

Sun 1/118:45 a.m. -

2 stops8h 15m

Deal found 9/9C$ 537

Mon 23/118:40 a.m. -

1 stop7h 41m

Sat 28/113:06 p.m. -

1 stop7h 33m

Deal found 13/9C$ 688

Sat 17/1012:27 p.m. -

2 stops11h 45m

Sat 24/107:45 a.m. -

1 stop8h 02m

Deal found 12/9C$ 580

Sun 22/118:50 a.m. -

1 stop15h 03m

Sat 28/113:06 p.m. -

1 stop7h 33m

Deal found 13/9C$ 698

Sat 10/1012:27 p.m. -

2 stops11h 45m

Mon 12/1012:20 a.m. -

1 stop8h 43m

Deal found 12/9C$ 630

Wed 9/129:13 a.m. -

1 stop7h 08m

Sun 13/127:00 a.m. -

1 stop4h 43m

Deal found 10/9C$ 706

Mon 19/101:27 p.m. -

1 stop7h 48m

Tue 27/107:45 a.m. -

2 stops13h 48m

Deal found 10/9C$ 630

Sat 24/109:00 a.m. -

1 stop5h 53m

Sat 31/1012:37 p.m. -

1 stop5h 46m

Deal found 9/9C$ 706

Sat 10/1012:27 p.m. -

2 stops11h 45m

Wed 14/106:00 a.m. -

2 stops11h 00m

Deal found 13/9C$ 648

Mon 19/106:00 a.m. -

1 stop6h 28m

Wed 21/1012:30 p.m. -

1 stop7h 51m

Deal found 13/9C$ 713

Thu 14/19:30 a.m. -

2 stops13h 24m

Mon 18/17:00 a.m. -

2 stops8h 50m

Deal found 10/9C$ 673

Fri 25/92:25 p.m. -

1 stop9h 41m

Sat 3/106:35 a.m. -

1 stop9h 12m

Deal found 9/9C$ 685

Find flight deals from Illinois to Calgary

Round-trip from	C$ 350
One-way from	C$ 143
Popular in	July
Cheapest in	January
Average price	C$ 513
Good round-trip deal	C$ 265 or less
Good one-way deal	C$ 210 or less

Air Canada
19/10-26/10
2 total stops
15h 53m total
Illinois to Calgary

Search Deals

Air Canada
23/9-31/12
1 total stop
8h 12m total
Illinois to Calgary

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (C$ 116 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 20 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Price to beat on a round-trip flight from Illinois to Calgary.

Search Deals

Price to beat on a one-way flight from Illinois to Calgary.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoCalgary

ORD Chicago O'Hare Intl - YYC Calgary

ORDYYC

Chicago O'Hare Intl

Tue 8/12

8:40 a.m.-1:35 p.m.

Nonstop4h 55m

Calgary

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 158

Quickest round-trip

ChicagoCalgary

ORD Chicago O'Hare Intl - YYC Calgary

ORDYYC

Chicago O'Hare Intl

Tue 10/11

8:43 a.m.-1:35 p.m.

Nonstop4h 52m

Calgary

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 158

ChicagoCalgary

ORD Chicago O'Hare Intl - YYC Calgary

ORDYYC

Chicago O'Hare Intl

Mon 7/12

8:40 a.m.-1:35 p.m.

Nonstop4h 55m

Calgary

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 158

ChicagoCalgary

ORD Chicago O'Hare Intl - YYC Calgary

ORDYYC

Chicago O'Hare Intl

Sun 6/12

8:40 a.m.-1:35 p.m.

Nonstop4h 55m

Calgary

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 158

ChicagoCalgary

ORD Chicago O'Hare Intl - YYC Calgary

ORDYYC

Chicago O'Hare Intl

Sat 28/11

8:40 a.m.-1:35 p.m.

Nonstop4h 55m

Calgary

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 158

ChicagoCalgary

ORD Chicago O'Hare Intl - YYC Calgary

ORDYYC

Chicago O'Hare Intl

Wed 11/11

8:40 a.m.-1:35 p.m.

Nonstop4h 55m

Calgary

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 158

ChicagoCalgary

ORD Chicago O'Hare Intl - YYC Calgary

ORDYYC

Chicago O'Hare Intl

Wed 14/10

2:03 p.m.-11:10 p.m.

1 stop10h 07m

Calgary

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 172

ChicagoCalgary

ORD Chicago O'Hare Intl - YYC Calgary

ORDYYC

Chicago O'Hare Intl

Thu 1/10

2:05 p.m.-11:06 p.m.

1 stop10h 01m

Calgary

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 172

ChicagoCalgary

ORD Chicago O'Hare Intl - YYC Calgary

ORDYYC

Chicago O'Hare Intl

Sun 11/10

6:00 a.m.-9:48 p.m.

1 stop16h 48m

Calgary

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 172

ChicagoCalgary

ORD Chicago O'Hare Intl - YYC Calgary

ORDYYC

Chicago O'Hare Intl

Fri 6/11

1:30 p.m.-11:53 p.m.

1 stop10h 23m

Calgary

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 172

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 53 resultsSorted by cheapest first

...

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.

ORD-YYC

MDW-YYC

STL-YYC

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

USIL-YYC

ORD-YYC

MDW-YYC

STL-YYC

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$ 312). Flying from Illinois to Calgary in July is currently the most expensive (average of C$ 620). 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?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 47% on flights from Illinois to Calgary by exploring options for tickets at noon.

Weekly flight availability from Illinois to Calgary

The most flights from USIL to YYC are scheduled on a Friday (14 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

How much does it cost to fly round-trip from Illinois to Calgary?

Airfare is below average for this route at the moment.

Illinois to Calgary flights typically cost between C$ 381 and C$ 635 in October.
The cheapest round-trip price found within the last 5 days was C$ 350 on Air Canada (19 Oct-26 Oct).

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

To ensure you get the cheapest price possible for a flight from Illinois to Calgary, you should look to book at least 62 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Related info for your journey

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.
How long is the flight from Illinois to Calgary?
There are many flights that can get you from Illinois to Calgary in 3h 48m. Fly via United Airlines or Delta to get the fastest option. Illinois and Calgary are separated by a distance of 2223 km. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from Illinois to Calgary one-way?
To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at C$ 79. United Airlines flights start at C$ 88 while deals on American Airlines start at C$ 175 one-way.
What are the most popular routes from Illinois to Calgary?
The most popular route from Illinois to Calgary is Chicago O'Hare Intl - Calgary. You may also consider Chicago Midway - Calgary or Lambert-St Louis - 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: American Airlines (71%), Porter Airlines (67%), Air Canada (64%).
What are the cheapest flights from Illinois to Calgary?
The cheapest flight price from Illinois to Calgary is C$ 186. On average you can expect to pay C$ 359. The most popular route, (Chicago O'Hare Intl - Calgary), can usually be booked for C$ 359.
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$ 312). Flying from Illinois to Calgary in July is currently the most expensive (average of C$ 620). 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 2 airlines flying from Illinois to Calgary

Airline	Cheapest	Average	Flexibility	On-time
WestJet	CheapestC$ 256	AverageC$ 513	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
United Airlines	CheapestC$ 344	AverageC$ 666	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

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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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Cheap flights from Illinois to Calgary from C$ 143

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Illinois to Calgary

Cheapest flights from Illinois to CalgaryExplore 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 14 September 2026.

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 14 September 2026.

Best flights from Illinois to CalgaryDiscover carefully curated flight deals from Illinois to Calgary that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 14 September 2026.

Discover carefully curated flight deals from Illinois to Calgary that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 14 September 2026.

Direct flights from Illinois to CalgaryExplore direct flight options from Illinois to Calgary based on user searches, and compare prices and availability for your desired travel dates. Data last updated 14 September 2026.

Explore direct flight options from Illinois to Calgary based on user searches, and compare prices and availability for your desired travel dates. Data last updated 14 September 2026.

Last-minute flights from Illinois to CalgaryDiscover last-minute flight deals from Illinois to Calgary. Data last updated 14 September 2026 and is based on user searches.

Discover last-minute flight deals from Illinois to Calgary. Data last updated 14 September 2026 and is based on user searches.

One-way flights from Illinois to CalgarySearch for one-way flight options from Illinois to Calgary. Find affordable one-way fares based on user searches. Data last updated 14 September 2026.

Search for one-way flight options from Illinois to Calgary. Find affordable one-way fares based on user searches. Data last updated 14 September 2026.

Find flight deals from Illinois to Calgary

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One-way from

Popular in

Cheapest in

Average price

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Use the filters below to find and compare flights from Illinois to Calgary that are best for you.

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.

Cheapflights Insights

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

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 14 September 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 47% on flights from Illinois to Calgary by exploring options for tickets at noon.

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 14 September 2026.

The most flights from USIL to YYC are scheduled on a Friday (14 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

How much does it cost to fly round-trip from Illinois to Calgary?

Airfare is below average for this route at the moment.

Illinois to Calgary flights typically cost between C$ 381 and C$ 635 in October.The cheapest round-trip price found within the last 5 days was C$ 350 on Air Canada (19 Oct-26 Oct).

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

To ensure you get the cheapest price possible for a flight from Illinois to Calgary, you should look to book at least 62 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Related info for your journey

What airport do you fly into for flights to Calgary from Illinois?

How long is the flight from Illinois to Calgary?

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

What are the most popular routes from Illinois to Calgary?

What are the most reliable airlines from Illinois to Calgary?

What are the cheapest flights from Illinois to Calgary?

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

How can I find direct flights from Illinois to Calgary?

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

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

Travelling to a place near Calgary?

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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.

Other flights to Calgary

Explore flights to Calgary departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 14 September 2026.

Complete your trip

Complete your trip to Calgary by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Alberta

Book a non-stop flight to one of these other cities located in Alberta.

Search flights from Illinois to Calgary by cabin class

Find flights from Illinois to Calgary, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Illinois and Calgary flights

Browse other Illinois and Calgary flight options. Last updated on 14 September 2026.

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Top 2 airlines flying from Illinois to Calgary

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

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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 14 September 2026.

Best flights from Illinois to Calgary
Discover carefully curated flight deals from Illinois to Calgary that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 14 September 2026.

Direct flights from Illinois to Calgary
Explore direct flight options from Illinois to Calgary based on user searches, and compare prices and availability for your desired travel dates. Data last updated 14 September 2026.

Last-minute flights from Illinois to Calgary
Discover last-minute flight deals from Illinois to Calgary. Data last updated 14 September 2026 and is based on user searches.

One-way flights from Illinois to Calgary
Search for one-way flight options from Illinois to Calgary. Find affordable one-way fares based on user searches. Data last updated 14 September 2026.

Illinois to Calgary flights typically cost between C$ 381 and C$ 635 in October.
The cheapest round-trip price found within the last 5 days was C$ 350 on Air Canada (19 Oct-26 Oct).