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Cheap flights from Alberta to Illinois from C$ 213

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 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — ORD
14 Jul — 21 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Alberta to Illinois

Enter your travel dates to find the best prices.

Cheapest flights from Alberta to Illinois
Explore the most affordable flight options available from Alberta to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 June 2026.

Fri 11/97:00 a.m.
YYC
-
ORD
Nonstop3h 29m
American Airlines
Sun 20/98:30 p.m.
ORD
-
YYC
Nonstop3h 59m
American Airlines
Deal found 13/6C$ 371
Tue 25/86:00 a.m.
YYC
-
ORD
1 stop7h 44m
Air Canada
Sat 5/93:40 p.m.
ORD
-
YYC
1 stop8h 52m
Air Canada
Deal found 12/6C$ 396
Fri 4/912:00 p.m.
YYC
-
ORD
Nonstop3h 40m
WestJet
Fri 11/95:30 p.m.
ORD
-
YYC
Nonstop3h 55m
WestJet
Deal found 10/6C$ 399
Thu 27/86:30 a.m.
YYC
-
ORD
1 stop9h 27m
Air Canada
Sat 5/93:40 p.m.
ORD
-
YYC
1 stop8h 52m
Air Canada
Deal found 12/6C$ 403
Mon 24/81:00 a.m.
YYC
-
ORD
1 stop8h 16m
Air Canada
Tue 1/95:35 p.m.
ORD
-
YYC
1 stop9h 16m
Air Canada
Deal found 12/6C$ 404
Wed 21/1012:30 p.m.
YYC
-
ORD
Nonstop3h 35m
United Airlines
Sat 24/104:20 p.m.
ORD
-
YYC
1 stop6h 28m
United Airlines
Deal found 9/6C$ 406
Fri 30/106:00 a.m.
YYC
-
ORD
1 stop7h 56m
Air Canada
Mon 2/114:00 p.m.
ORD
-
YYC
1 stop8h 24m
Air Canada
Deal found 11/6C$ 410
Wed 21/107:15 a.m.
YYC
-
ORD
1 stop9h 42m
Delta
Sat 24/1012:15 p.m.
ORD
-
YYC
1 stop9h 39m
Delta
Deal found 12/6C$ 411
Wed 21/107:45 a.m.
YYC
-
MDW
1 stop8h 05m
Delta
Sat 24/1012:30 p.m.
MDW
-
YYC
2 stops11h 43m
Delta
Deal found 13/6C$ 411
Thu 6/811:55 p.m.
YYC
-
ORD
1 stop8h 05m
Air Canada
Mon 10/82:15 p.m.
ORD
-
YYC
1 stop12h 06m
Air Canada
Deal found 13/6C$ 414
Thu 29/107:15 a.m.
YYC
-
MDW
2 stops13h 55m
Delta
Mon 2/1112:30 p.m.
MDW
-
YYC
1 stop9h 24m
Delta
Deal found 11/6C$ 414
Sat 14/117:45 a.m.
YYC
-
ORD
1 stop8h 04m
Delta
Wed 18/111:55 p.m.
ORD
-
YYC
1 stop10h 18m
Delta
Deal found 10/6C$ 415

Find flight deals from Alberta to Illinois

Keep the following information in mind while searching for Alberta to Illinois flight deals. Data was last updated 14 June 2026.

Round-trip from

C$ 368

One-way from

C$ 213

Popular in

March

Cheapest in

November

Average price

C$ 490

Good round-trip deal

C$ 499 or less

Good one-way deal

C$ 285 or less
Delta
  • Delta
  • 29/10-2/11
  • 4 total stops
  • 25h 08m total
  • Alberta to Illinois
Search Deals
Air Canada
  • Air Canada
  • 17/9
  • 2 total stops
  • 9h 28m total
  • Alberta to Illinois
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 18 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 June 2026
Search Deals
Price to beat on a round-trip flight from Alberta to Illinois.
Search Deals
Price to beat on a one-way flight from Alberta to Illinois.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Alberta 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 14 June 2026.
Use the filters below to find and compare flights from Alberta to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CalgaryChicago

YYC - MDW

YYCMDW

Calgary

Wed 21/10

7:45 a.m.-4:50 p.m.

1 stop8h 05m

Chicago Midway

Sat 24/10

12:30 p.m.-11:13 p.m.

2 stops11h 43m

C$ 411

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Wed 2/9

6:45 a.m.-5:41 p.m.

1 stop9h 56m

Chicago O'Hare Intl

Thu 10/9

12:15 p.m.-8:44 p.m.

1 stop9h 29m

C$ 413

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Wed 21/10

7:15 a.m.-5:57 p.m.

1 stop9h 42m

Chicago O'Hare Intl

Sat 24/10

12:15 p.m.-8:54 p.m.

1 stop9h 39m

C$ 413

CalgaryChicago

YYC - MDW

YYCMDW

Calgary

Thu 29/10

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

2 stops13h 25m

Chicago Midway

Mon 2/11

9:55 a.m.-11:13 p.m.

2 stops14h 18m

C$ 414

Grande PrairieChicago

YQU - ORD

YQUORD

Grande Prairie

Fri 11/9

7:10 a.m.-4:40 p.m.

2 stops8h 30m

Chicago O'Hare Intl

Thu 17/9

5:30 p.m.-1:15 a.m.

1 stop8h 45m

C$ 439

CalgaryChicago

YYC - MDW

YYCMDW

Calgary

Fri 30/10

7:45 a.m.-4:50 p.m.

1 stop8h 05m

Chicago Midway

Mon 2/11

12:30 p.m.-8:54 p.m.

1 stop9h 24m

C$ 457

EdmontonChicago

YEG - ORD

YEGORD

Edmonton

Sun 22/11

6:00 a.m.-9:13 p.m.

1 stop14h 13m

Chicago O'Hare Intl

Thu 26/11

3:00 p.m.-10:09 p.m.

1 stop8h 09m

C$ 471

Fort McMurrayChicago

YMM - ORD

YMMORD

Fort Mcmurray

Tue 8/9

8:45 a.m.-4:40 p.m.

1 stop6h 55m

Chicago O'Hare Intl

Mon 14/9

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

2 stops26h 35m

C$ 478
Quickest round-trip

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Thu 25/6

8:30 a.m.-1:07 p.m.

Nonstop3h 37m

Chicago O'Hare Intl

Mon 29/6

7:45 p.m.-10:37 p.m.

Nonstop3h 52m

C$ 488

CalgaryChicago

YYC - MDW

YYCMDW

Calgary

Tue 13/10

12:20 a.m.-11:56 a.m.

1 stop10h 36m

Chicago Midway

Sun 18/10

1:00 p.m.-8:05 p.m.

1 stop8h 05m

C$ 537

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/6

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Alberta to Illinois

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

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

Currently, March is the cheapest month in which you can book a flight from Alberta to Illinois (average of C$ 87). Flying from Alberta to Illinois in August is currently the most expensive (average of C$ 186). 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 AB to IL?

Find hourly flight availability from Alberta 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 14 June 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Alberta to Illinois as you normally would.

Weekly flight availability from Alberta to Illinois

Explore weekly flight availability from Alberta 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 14 June 2026.

The most flights from CAAB to USIL are scheduled on a Tuesday (14 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 on average).

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

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

Booking 59 days in advance of your planned departure date is, on average, the best time to get cheap flights from Alberta to Illinois. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 14 June 2026.
Read reviews from past customers who have flown Delta,United Airlines, andWestJet from Alberta to Illinois. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,405 reviews
Check prices

Food

7.2

Overall

7.9

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
Delta
7.9
Good
8,405 reviews
Delta
7.9
Good
8,405 reviews
Check prices

Food

7.2

Overall

7.9

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
United Airlines
7.4
Good
9,819 reviews
Delta
7.9
Good
8,405 reviews
Check prices

Food

7.2

Overall

7.9

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
WestJet
7.2
Good
3,360 reviews
Delta
7.9
Good
8,405 reviews
Check prices

Food

7.2

Overall

7.9

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
American Airlines
7.1
Good
11,651 reviews
Delta
7.9
Good
8,405 reviews
Check prices

Food

7.2

Overall

7.9

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
Air Canada
7.1
Good
11,176 reviews
Delta
7.9
Good
8,405 reviews
Check prices

Food

7.2

Overall

7.9

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

Related info for your journey

Find useful and relevant information for your journey from Alberta to Illinois. 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 Alberta to Illinois?

    Departing from Alberta to Illinois will take you 8h 05m. Alberta and Illinois are separated by a distance of 2247 km. This flight may include one or multiple stops.

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

    The cheapest airlines for a one-way flight from Alberta to Illinois are WestJet (C$ 129), Air Canada (C$ 152), and American Airlines (C$ 164).

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Alberta to Illinois (average of C$ 87). Flying from Alberta to Illinois in August is currently the most expensive (average of C$ 186). 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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Alternative routes for Alberta to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Alberta to Illinois

Discover the top 5 airlines that operate flights from Alberta 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 14 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 122AverageC$ 464FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 150AverageC$ 373FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 186AverageC$ 499FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 187AverageC$ 394FlexibilityNo cancel feeOn-time60%
Search WestJet flights
American AirlinesCheapestC$ 198AverageC$ 390FlexibilityNo cancel feeOn-time71%
Search American Airlines 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 Alberta to Illinois?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Alberta to Illinois. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights simply makes it quick and affordable to book flights from Alberta to Illinois 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 Alberta to Illinois with no change fees?

Certainly. Search results for flights to Illinois from Alberta shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from Alberta 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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