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Cheap flights from Illinois to Alberta from C$ 175

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YYC
18 Jul — 25 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Illinois to Alberta

Enter your travel dates to find the best prices.

Cheapest flights from Illinois to Alberta
Explore the most affordable flight options available from Illinois to Alberta. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 June 2026.

Tue 15/95:30 p.m.
ORD
-
YYC
Nonstop3h 55m
WestJet
Fri 16/1012:00 p.m.
YYC
-
ORD
Nonstop3h 40m
WestJet
Deal found 17/6C$ 414
Mon 21/95:30 p.m.
ORD
-
YYC
Nonstop3h 55m
WestJet
Mon 28/912:00 p.m.
YYC
-
ORD
Nonstop3h 40m
WestJet
Deal found 17/6C$ 417
Sun 27/95:35 p.m.
ORD
-
YYC
1 stop8h 42m
Air Canada
Sat 3/106:30 a.m.
YYC
-
ORD
1 stop7h 25m
Air Canada
Deal found 17/6C$ 421
Mon 14/95:30 p.m.
ORD
-
YYC
Nonstop3h 55m
WestJet
Fri 18/912:00 p.m.
YYC
-
ORD
Nonstop3h 40m
WestJet
Deal found 17/6C$ 424
Sun 6/95:30 p.m.
ORD
-
YYC
Nonstop3h 55m
WestJet
Thu 10/912:00 p.m.
YYC
-
ORD
Nonstop3h 40m
WestJet
Deal found 17/6C$ 426
Thu 10/95:30 p.m.
ORD
-
YYC
Nonstop3h 55m
WestJet
Mon 14/912:00 p.m.
YYC
-
ORD
Nonstop3h 40m
WestJet
Deal found 17/6C$ 428
Thu 13/88:45 a.m.
ORD
-
YYC
1 stop8h 23m
Air Canada
Mon 17/811:55 p.m.
YYC
-
ORD
1 stop8h 05m
Air Canada
Deal found 14/6C$ 429
Tue 11/87:45 p.m.
ORD
-
YYC
Nonstop3h 51m
Multiple Airlines
Tue 11/81:00 a.m.
YYC
-
ORD
1 stop8h 16m
Multiple Airlines
Deal found 17/6C$ 431
Sun 6/95:30 p.m.
ORD
-
YYC
Nonstop3h 55m
WestJet
Mon 14/912:00 p.m.
YYC
-
ORD
Nonstop3h 40m
WestJet
Deal found 17/6C$ 432
Sun 6/95:30 p.m.
ORD
-
YYC
Nonstop3h 55m
WestJet
Sun 13/912:00 p.m.
YYC
-
ORD
Nonstop3h 40m
WestJet
Deal found 17/6C$ 435
Tue 8/95:30 p.m.
ORD
-
YYC
Nonstop3h 55m
WestJet
Fri 11/912:00 p.m.
YYC
-
ORD
Nonstop3h 40m
WestJet
Deal found 17/6C$ 438
Tue 25/88:08 p.m.
STL
-
YYC
1 stop19h 37m
Multiple Airlines
Tue 1/98:45 a.m.
YYC
-
STL
1 stop9h 38m
Multiple Airlines
Deal found 16/6C$ 491

Find flight deals from Illinois to Alberta

Keep the following information in mind while searching for Illinois to Alberta flight deals. Data was last updated 18 June 2026.

Round-trip from

C$ 414

One-way from

C$ 175

Popular in

July

Cheapest in

January

Average price

C$ 499

Good round-trip deal

C$ 244 or less

Good one-way deal

C$ 223 or less
WestJet
  • WestJet
  • 15/9-16/10
  • Nonstop
  • 7h 35m total
  • Illinois to Alberta
Search Deals
Air Canada
  • Air Canada
  • 5/9
  • 1 total stop
  • 8h 52m total
  • Illinois to Alberta
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 115 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Alberta.
Search Deals
Price to beat on a one-way flight from Illinois to Alberta.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Alberta 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 June 2026.
Use the filters below to find and compare flights from Illinois to Alberta that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Wed 14/10

8:40 a.m.-11:28 a.m.

Nonstop3h 48m

Calgary

Sun 18/10

6:30 a.m.-4:58 p.m.

1 stop9h 28m

C$ 478

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Sun 6/9

7:45 p.m.-10:36 p.m.

Nonstop3h 51m

Calgary

Thu 10/9

12:55 a.m.-9:00 a.m.

1 stop7h 05m

C$ 478

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Thu 13/8

7:45 p.m.-10:36 p.m.

Nonstop3h 51m

Calgary

Mon 24/8

6:00 a.m.-9:29 p.m.

1 stop14h 29m

C$ 483

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Thu 10/9

5:00 a.m.-6:30 p.m.

1 stop14h 30m

Calgary

Mon 14/9

6:30 a.m.-2:55 p.m.

1 stop7h 25m

C$ 492

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Tue 11/8

2:00 p.m.-11:04 p.m.

1 stop10h 04m

Calgary

Fri 21/8

7:45 a.m.-6:19 p.m.

1 stop9h 34m

C$ 497

ChicagoCalgary

MDW - YYC

MDWYYC

Chicago Midway

Sat 7/11

10:35 a.m.-11:13 p.m.

2 stops13h 38m

Calgary

Thu 12/11

7:45 a.m.-10:10 p.m.

2 stops13h 25m

C$ 518

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Sat 4/7

6:30 a.m.-1:12 p.m.

1 stop7h 42m

Calgary

Fri 10/7

7:45 a.m.-6:57 p.m.

1 stop10h 12m

C$ 533

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Mon 29/6

5:00 a.m.-1:53 p.m.

1 stop9h 53m

Calgary

Fri 3/7

6:00 a.m.-6:46 p.m.

1 stop11h 46m

C$ 540

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 7/10

10:35 a.m.-11:00 a.m.

1 stop25h 25m

Calgary

Sat 10/10

12:20 a.m.-9:40 a.m.

1 stop8h 20m

C$ 558
Quickest round-trip

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Tue 8/9

7:45 p.m.-10:36 p.m.

Nonstop3h 51m

Calgary

Tue 15/9

8:30 a.m.-1:05 p.m.

Nonstop3h 35m

C$ 567

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/6

Showing 1-10 of 60 resultsSorted by cheapest first
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2
3
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6

Best time to book a flight from Illinois to Alberta

Have a flexible travel schedule? Discover the best time to fly to Alberta from Illinois 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.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Alberta

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

Currently, November is the cheapest month in which you can book a flight from Illinois to Alberta (average of C$ 84). Flying from Illinois to Alberta in September is currently the most expensive (average of C$ 797). 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 AB?

Find hourly flight availability from Illinois to Alberta. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 June 2026.

A simple way to save on the total cost of your ticket is to fly from Illinois to Alberta in the morning. If you’re flexible enough to do this you can expect to save up to 34% on your trip compared to booking a flight in the afternoon.

Weekly flight availability from Illinois to Alberta

Explore weekly flight availability from Illinois to Alberta. 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 18 June 2026.

The most flights from USIL to CAAB are scheduled on a Monday (13 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (11 on average).

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

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

Booking 51 days in advance of your planned departure date is, on average, the best time to get cheap flights from Illinois to Alberta. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest day to fly from Illinois to Alberta?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Alberta. Price data was last updated on 13 June 2026.

Travelers seeking maximum savings on their Illinois to Alberta flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Alberta

Get insights into the airlines that provide service to Alberta. 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 Alberta. Reviews last updated 18 June 2026.
Get a feel of what it's like to fly with United Airlines and WestJet from Illinois to Alberta by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,852 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,852 reviews
United Airlines
7.4
Good
9,852 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
WestJet
7.2
Good
3,370 reviews
United Airlines
7.4
Good
9,852 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Alberta. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Illinois to Alberta?

    United Airlines, Delta, and Air Canada can get you from Illinois to Alberta in just under 3h 51m. Your travel time can differ by up to 7h 33m. Illinois and Alberta 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 Alberta one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as C$ 80. Users have also found prices from C$ 89 and C$ 154 on United Airlines and Delta, respectively.

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

    Yes. In addition to deals on Illinois to Alberta flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Alberta?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Alberta.

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

    Yes. Cheapflights offers flight deals from Illinois to Alberta 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 Alberta?

    Currently, November is the cheapest month in which you can book a flight from Illinois to Alberta (average of C$ 84). Flying from Illinois to Alberta in September is currently the most expensive (average of C$ 797). 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 Illinois to Alberta

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Top airline flying from Illinois to Alberta

Discover the top airline that operate flights from Illinois to Alberta. 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 June 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 259AverageC$ 409FlexibilityNo cancel feeOn-time60%
Search WestJet 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 Illinois to Alberta?

Cheapflights makes it easy to find Illinois to Alberta flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Illinois to Alberta?

Millions of users choose and trust Cheapflights to book the best flight deals from Illinois to Alberta for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Illinois to Alberta, users can toggle the no change fees filter when performing a flight search.

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

Not ready to book yet? You can track prices for flights from Illinois to Alberta on Cheapflights with our Price Alert feature and get notified when better prices are available.

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