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Cheap flights from Alberta to Illinois from C$ 128

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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — ORD
14 Jan — 21 Jan1
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 15 December 2025.

Thu 18/125:35 a.m.YYC - ORD
1 stop13h 10mAir Canada
Wed 7/18:00 a.m.ORD - YYC
1 stop10h 04mAir Canada
Deal found 15/12C$ 361
Thu 18/127:35 a.m.YYC - ORD
2 stops13h 05mDelta
Wed 7/18:50 a.m.ORD - YYC
2 stops15h 12mDelta
Deal found 15/12C$ 430
Mon 29/129:00 a.m.YYC - ORD
Nonstop3h 35mWestJet
Fri 9/12:20 p.m.ORD - YYC
Nonstop3h 55mWestJet
Deal found 14/12C$ 439
Thu 18/127:35 a.m.YYC - ORD
2 stops13h 05mDelta
Tue 6/17:30 a.m.ORD - YYC
1 stop11h 20mDelta
Deal found 15/12C$ 486
Thu 18/127:35 a.m.YYC - ORD
2 stops13h 05mDelta
Mon 5/17:30 a.m.ORD - YYC
1 stop11h 20mDelta
Deal found 15/12C$ 500
Thu 18/126:35 a.m.YYC - MDW
2 stops16h 12mDelta
Wed 7/19:50 a.m.MDW - YYC
2 stops10h 25mDelta
Deal found 15/12C$ 518
Thu 18/126:35 a.m.YYC - MDW
2 stops16h 12mDelta
Tue 6/19:50 a.m.MDW - YYC
2 stops14h 12mDelta
Deal found 15/12C$ 543
Fri 26/128:00 a.m.YEG - ORD
1 stop10h 45mAir Canada
Wed 7/18:00 a.m.ORD - YEG
2 stops14h 43mAir Canada
Deal found 15/12C$ 551
Mon 29/129:00 a.m.YYC - ORD
Nonstop3h 35mMultiple Airlines
Fri 9/16:57 p.m.ORD - YYC
3 stops21h 15mMultiple Airlines
Deal found 14/12C$ 585
Fri 19/128:25 a.m.YYC - ORD
2 stops10h 20mAir Canada
Tue 6/12:00 p.m.ORD - YYC
1 stop7h 59mAir Canada
Deal found 15/12C$ 591
Thu 18/126:35 a.m.YYC - MDW
2 stops16h 12mDelta
Mon 5/19:50 a.m.MDW - YYC
2 stops14h 12mDelta
Deal found 15/12C$ 599
Wed 31/128:15 p.m.YYC - ORD
2 stops14h 57mWestJet
Fri 9/12:20 p.m.ORD - YYC
Nonstop3h 55mWestJet
Deal found 14/12C$ 658

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 15 December 2025.

Round-trip from

C$ 213

One-way from

C$ 128

Popular in

July

Cheapest in

April

Average price

C$ 401

Good round-trip deal

C$ 362 or less

Good one-way deal

C$ 161 or less
Air Canada
  • Air Canada
  • 28/1-4/2
  • 2 total stops
  • 17h 54m total
  • Alberta to Illinois
Search Deals
WestJet
  • WestJet
  • 12/1
  • Nonstop
  • 3h 35m total
  • Alberta to Illinois
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 80 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 15 December 2025.
Use the filters below to find and compare flights from Alberta to Illinois that are best for you.

Fly from

Alberta

Fly to

Illinois

Route

Depart

Return

Price

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Wed 28/1

5:35 a.m.-3:10 p.m.

1 stop8h 35m

Chicago O'Hare Intl

Wed 4/2

7:15 a.m.-8:19 p.m.

2 stops14h 04m

C$ 230

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Thu 19/2

5:35 a.m.-3:10 p.m.

1 stop8h 35m

Chicago O'Hare Intl

Sat 28/2

3:55 p.m.-12:14 a.m.

1 stop9h 19m

C$ 242

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Fri 16/1

9:00 a.m.-1:35 p.m.

Nonstop3h 35m

Chicago O'Hare Intl

Mon 19/1

2:20 p.m.-5:15 p.m.

Nonstop3h 55m

C$ 249

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Wed 28/1

6:15 a.m.-7:51 p.m.

1 stop12h 36m

Chicago O'Hare Intl

Wed 4/2

8:45 a.m.-11:35 a.m.

Nonstop3h 50m

C$ 259

Grande PrairieChicago

YQU - ORD

YQUORD

Grande Prairie

Mon 4/5

8:15 a.m.-4:43 p.m.

1 stop7h 28m

Chicago O'Hare Intl

Fri 8/5

5:30 p.m.-12:58 a.m.

1 stop8h 28m

C$ 273

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Tue 26/5

12:15 p.m.-4:43 p.m.

Nonstop3h 28m

Chicago O'Hare Intl

Sat 30/5

5:30 p.m.-8:19 p.m.

Nonstop3h 49m

C$ 275

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Fri 16/1

7:00 a.m.-5:44 p.m.

1 stop9h 44m

Chicago O'Hare Intl

Mon 19/1

2:20 p.m.-5:15 p.m.

Nonstop3h 55m

C$ 281

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Wed 14/1

6:15 a.m.-7:51 p.m.

1 stop12h 36m

Chicago O'Hare Intl

Sun 18/1

5:40 a.m.-1:08 p.m.

1 stop8h 28m

C$ 284

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Thu 15/1

6:15 a.m.-7:51 p.m.

1 stop12h 36m

Chicago O'Hare Intl

Wed 21/1

8:45 a.m.-11:35 a.m.

Nonstop3h 50m

C$ 285

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Tue 3/3

12:30 a.m.-10:51 a.m.

1 stop9h 21m

Chicago O'Hare Intl

Mon 9/3

2:20 p.m.-5:15 p.m.

Nonstop3h 55m

C$ 286

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/12

Showing 1-10 of 60 results
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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, May is the cheapest month in which you can book a flight from Alberta to Illinois (average of C$ 123). Flying from Alberta to Illinois in August is currently the most expensive (average of C$ 207). 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 15 December 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 39% on flights from Alberta to Illinois by exploring options for tickets in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Alberta to Illinois. Price data was last updated on 16 December 2024.

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

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

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 15 December 2025.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines 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
8,008 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,092 reviews
Delta
7.9
Good
8,008 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,051 reviews
Delta
7.9
Good
8,008 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
WestJet
7.2
Good
3,202 reviews
Delta
7.9
Good
8,008 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,525 reviews
Delta
7.9
Good
8,008 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 3h 35m. Alberta and Illinois are separated by a distance of 2223 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$ 116), Air Canada (C$ 155), and United Airlines (C$ 156).

  • 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, May is the cheapest month in which you can book a flight from Alberta to Illinois (average of C$ 123). Flying from Alberta to Illinois in August is currently the most expensive (average of C$ 207). 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 15 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 149AverageC$ 353FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 176AverageC$ 375FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 183AverageC$ 367FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 185AverageC$ 423FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 194AverageC$ 498FlexibilityNo cancel feeOn-time69%
Search United 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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