How long is the flight from Illinois to Calgary?

There are many flights that can get you from Illinois to Calgary in 13h 28m. Fly via United Airlines, Delta, or Alaska Airlines 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$ 80. United Airlines flights start at C$ 89 while deals on American Airlines start at C$ 176 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$ 228. On average you can expect to pay C$ 522. The most popular route, (Chicago O'Hare Intl - Calgary), can usually be booked for C$ 479.

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: Delta (81%), Avianca (69%), WestJet (69%).

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$ 172+ 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 25 October 2026.

Tue 24/116:00 a.m. -

1 stop15h 30m

Tue 1/129:07 a.m. -

1 stop8h 42m

Deal found 22/10C$ 487

Thu 12/117:00 a.m. -

1 stop14h 39m

Tue 17/119:09 a.m. -

1 stop8h 28m

Deal found 23/10C$ 489

Wed 11/116:35 p.m. -

1 stop27h 04m

Sat 14/119:09 a.m. -

1 stop8h 28m

Deal found 21/10C$ 494

Tue 3/116:35 p.m. -

1 stop27h 04m

Tue 10/119:09 a.m. -

1 stop8h 28m

Deal found 23/10C$ 497

Sat 5/121:55 p.m. -

1 stop10h 55m

Fri 11/121:45 a.m. -

1 stop9h 22m

Deal found 21/10C$ 500

Tue 8/123:45 p.m. -

1 stop9h 05m

Fri 11/127:00 a.m. -

1 stop8h 38m

Deal found 22/10C$ 503

Thu 12/117:00 a.m. -

1 stop14h 39m

Mon 16/119:09 a.m. -

2 stops28h 00m

Deal found 21/10C$ 508

Fri 4/124:30 p.m. -

1 stop7h 51m

Fri 11/127:00 a.m. -

1 stop8h 38m

Deal found 22/10C$ 510

Thu 22/102:15 p.m. -

1 stop9h 42m

Wed 28/106:00 a.m. -

1 stop8h 38m

Deal found 21/10C$ 515

Wed 9/125:29 p.m. -

1 stop28h 08m

Sat 12/129:07 a.m. -

2 stops28h 03m

Deal found 21/10C$ 517

Sat 5/126:00 a.m. -

2 stops16h 59m

Sat 12/127:00 a.m. -

2 stops17h 15m

Deal found 21/10C$ 1,010

Sat 5/128:40 a.m. -

1 stop14h 13m

Sat 12/123:06 p.m. -

1 stop5h 40m

Deal found 21/10C$ 1,240

Find flight deals from Illinois to Calgary

Round-trip from	C$ 487
One-way from	C$ 172
Popular in	July
Cheapest in	January
Average price	C$ 587
Good round-trip deal	C$ 576 or less
Good one-way deal	C$ 272 or less

Alaska Airlines
24/11-1/12
2 total stops
24h 12m total
Illinois to Calgary

Search Deals

17/11-31/12
2 total stops
15h 09m total
Illinois to Calgary

Search Deals

Highest demand for flights based on searches. 8% potential increase in price (C$ 67 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 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

Sat 31/10

7:05 a.m.-4:10 p.m.

1 stop10h 05m

Calgary

Wed 31/12

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

Nonstop0h 00m

C$ 226

ChicagoCalgary

ORD Chicago O'Hare Intl - YYC Calgary

ORDYYC

Chicago O'Hare Intl

Tue 17/11

7:00 a.m.-9:39 p.m.

1 stop14h 39m

Calgary

Wed 31/12

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

Nonstop0h 00m

C$ 230

ChicagoCalgary

ORD Chicago O'Hare Intl - YYC Calgary

ORDYYC

Chicago O'Hare Intl

Sun 20/12

6:00 a.m.-9:33 p.m.

1 stop15h 33m

Calgary

Wed 31/12

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

Nonstop0h 00m

C$ 230

ChicagoCalgary

ORD Chicago O'Hare Intl - YYC Calgary

ORDYYC

Chicago O'Hare Intl

Wed 18/11

7:00 a.m.-9:39 p.m.

1 stop14h 39m

Calgary

Wed 31/12

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

Nonstop0h 00m

C$ 230

ChicagoCalgary

ORD Chicago O'Hare Intl - YYC Calgary

ORDYYC

Chicago O'Hare Intl

Thu 19/11

7:00 a.m.-9:30 p.m.

1 stop14h 30m

Calgary

Wed 31/12

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

Nonstop0h 00m

C$ 230

ChicagoCalgary

ORD Chicago O'Hare Intl - YYC Calgary

ORDYYC

Chicago O'Hare Intl

Fri 4/12

3:19 p.m.-9:37 p.m.

1 stop30h 18m

Calgary

Wed 31/12

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

Nonstop0h 00m

C$ 238

ChicagoCalgary

ORD Chicago O'Hare Intl - YYC Calgary

ORDYYC

Chicago O'Hare Intl

Mon 16/11

6:35 p.m.-9:39 p.m.

1 stop27h 04m

Calgary

Wed 31/12

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

Nonstop0h 00m

C$ 238

ChicagoCalgary

ORD Chicago O'Hare Intl - YYC Calgary

ORDYYC

Chicago O'Hare Intl

Fri 27/11

8:40 a.m.-12:35 p.m.

Nonstop3h 55m

Calgary

Wed 31/12

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

Nonstop0h 00m

C$ 247

ChicagoCalgary

ORD Chicago O'Hare Intl - YYC Calgary

ORDYYC

Chicago O'Hare Intl

Sat 28/11

8:40 a.m.-12:35 p.m.

Nonstop3h 55m

Calgary

Wed 31/12

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

Nonstop0h 00m

C$ 262

ChicagoCalgary

ORD Chicago O'Hare Intl - YYC Calgary

ORDYYC

Chicago O'Hare Intl

Thu 19/11

8:04 a.m.-9:58 p.m.

2 stops13h 54m

Calgary

Wed 31/12

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

Nonstop0h 00m

C$ 268

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/10

Showing 1-10 of 25 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

PIA-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

PIA-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$ 321). Flying from Illinois to Calgary in July is currently the most expensive (average of C$ 630). 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 morning, when flights are generally more expensive, you can save up to 52% 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 (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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

Airfare is typical for this route at the moment.

Illinois to Calgary flights typically cost between C$ 378 and C$ 628 in November.
The cheapest round-trip price found within the last 5 days was C$ 487 on Alaska Airlines (24 Nov-1 Dec).

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 13h 28m. Fly via United Airlines, Delta, or Alaska Airlines 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$ 80. United Airlines flights start at C$ 89 while deals on American Airlines start at C$ 176 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: Delta (81%), Avianca (69%), WestJet (69%).
What are the cheapest flights from Illinois to Calgary?
The cheapest flight price from Illinois to Calgary is C$ 228. On average you can expect to pay C$ 522. The most popular route, (Chicago O'Hare Intl - Calgary), can usually be booked for C$ 479.
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$ 321). Flying from Illinois to Calgary in July is currently the most expensive (average of C$ 630). 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$ 258	AverageC$ 615	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
United Airlines	CheapestC$ 523	AverageC$ 776	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.

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

Of course! You can now track prices for flights from Illinois to Calgary 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 Illinois to Calgary from C$ 172

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 17/11. 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 25 October 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 25 October 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 25 October 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 25 October 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 25 October 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 25 October 2026.

Last-minute flights from Illinois to CalgaryDiscover last-minute flight deals from Illinois to Calgary. Data last updated 25 October 2026 and is based on user searches.

Discover last-minute flight deals from Illinois to Calgary. Data last updated 25 October 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 25 October 2026.

Search for one-way flight options from Illinois to Calgary. Find affordable one-way fares based on user searches. Data last updated 25 October 2026.

Find flight deals from Illinois to Calgary

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One-way from

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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 25 October 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 52% 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 25 October 2026.

The most flights from USIL to YYC are scheduled on a Friday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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

Airfare is typical for this route at the moment.

Illinois to Calgary flights typically cost between C$ 378 and C$ 628 in November.The cheapest round-trip price found within the last 5 days was C$ 487 on Alaska Airlines (24 Nov-1 Dec).

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 25 October 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

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Illinois and Calgary flights

Browse other Illinois and Calgary flight options. Last updated on 25 October 2026.

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Top 2 airlines flying from Illinois to Calgary

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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 25 October 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 25 October 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 25 October 2026.

Last-minute flights from Illinois to Calgary
Discover last-minute flight deals from Illinois to Calgary. Data last updated 25 October 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 25 October 2026.

Illinois to Calgary flights typically cost between C$ 378 and C$ 628 in November.
The cheapest round-trip price found within the last 5 days was C$ 487 on Alaska Airlines (24 Nov-1 Dec).