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Cheap flights from Alberta to Illinois from C$ 132

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 25/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — ORD
6 Apr — 13 Apr1
1 adult

Cheap flight deals from Alberta to Illinois

Keep the following information in mind while searching for Alberta to Illinois flight deals. Data was last updated 1 April 2025.

Round-trip from

C$ 189

One-way from

C$ 132

Popular in

December

Cheapest in

February

Average price

C$ 340

Good round-trip deal

C$ 252 or less

Good one-way deal

C$ 272 or less
WestJet
  • WestJet
  • 3/5-9/5
  • Nonstop
  • 7h 18m total
  • Alberta to Illinois
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WestJet
  • WestJet
  • 25/5
  • Nonstop
  • 3h 29m total
  • Alberta to Illinois
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 120 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 29 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Alberta to Illinois.
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Price to beat on a one-way flight from Alberta to Illinois.
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Find flight deals from Alberta to Illinois

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 1 April 2025.

Sat 3/512:15 p.m.YYC - ORD
Nonstop3h 29mWestJet
Fri 9/55:30 p.m.ORD - YYC
Nonstop3h 49mWestJet
Deal found 31/3C$ 189
Thu 1/511:55 p.m.YYC - ORD
1 stop7h 55mAir Canada
Wed 7/54:00 p.m.ORD - YYC
1 stop7h 58mAir Canada
Deal found 31/3C$ 227
Sat 3/512:43 p.m.YYC - ORD
Nonstop3h 27mMultiple Airlines
Fri 9/54:00 p.m.ORD - YYC
1 stop7h 58mMultiple Airlines
Deal found 31/3C$ 234
Sat 30/88:05 a.m.YEG - ORD
Nonstop3h 34mWestJet
Sun 7/91:40 p.m.ORD - YEG
Nonstop3h 48mWestJet
Deal found 31/3C$ 254
Thu 12/66:29 a.m.YYC - ORD
Nonstop3h 25mAmerican Airlines
Sun 15/68:30 p.m.ORD - YYC
Nonstop3h 59mAmerican Airlines
Deal found 31/3C$ 261
Wed 17/93:15 p.m.YEG - ORD
1 stop7h 42mAir Canada
Sun 21/91:20 p.m.ORD - YEG
Nonstop4h 05mAir Canada
Deal found 31/3C$ 294
Sun 11/56:30 a.m.YYC - MDW
1 stop5h 45mDelta
Tue 13/51:55 p.m.MDW - YYC
1 stop7h 45mDelta
Deal found 31/3C$ 313
Sat 12/47:40 a.m.YYC - ORD
2 stops8h 47mDelta
Mon 14/41:55 p.m.ORD - YYC
1 stop10h 10mDelta
Deal found 31/3C$ 317
Thu 1/56:00 a.m.YEG - ORD
1 stop17h 29mMultiple Airlines
Thu 8/54:00 p.m.ORD - YEG
1 stop17h 24mMultiple Airlines
Deal found 30/3C$ 353
Sat 10/512:30 a.m.YYC - MDW
1 stop12h 04mMultiple Airlines
Tue 13/59:34 a.m.MDW - YYC
1 stop11h 31mMultiple Airlines
Deal found 31/3C$ 362
Sun 6/78:05 a.m.YEG - ORD
Nonstop3h 34mDelta
Thu 10/77:15 a.m.ORD - YEG
1 stop7h 09mDelta
Deal found 31/3C$ 380
Thu 1/59:35 a.m.YEG - MDW
1 stop13h 04mMultiple Airlines
Thu 8/58:30 a.m.MDW - YEG
1 stop12h 18mMultiple Airlines
Deal found 30/3C$ 393

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 1 April 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

Sat 3/5

12:15 p.m.-4:44 p.m.

Nonstop3h 29m

Chicago O'Hare Intl

Fri 9/5

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

Nonstop3h 49m

C$ 189

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Thu 1/5

11:55 p.m.-8:50 a.m.

1 stop7h 55m

Chicago O'Hare Intl

Wed 7/5

4:00 p.m.-10:58 p.m.

1 stop7h 58m

C$ 227

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Sat 3/5

12:43 p.m.-5:10 p.m.

Nonstop3h 27m

Chicago O'Hare Intl

Fri 9/5

4:00 p.m.-10:58 p.m.

1 stop7h 58m

C$ 234

EdmontonChicago

YEG - ORD

YEGORD

Edmonton

Sat 30/8

8:05 a.m.-12:39 p.m.

Nonstop3h 34m

Chicago O'Hare Intl

Sun 7/9

1:40 p.m.-4:28 p.m.

Nonstop3h 48m

C$ 254

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Thu 12/6

6:29 a.m.-10:54 a.m.

Nonstop3h 25m

Chicago O'Hare Intl

Sun 15/6

8:30 p.m.-11:29 p.m.

Nonstop3h 59m

C$ 261

EdmontonChicago

YEG - ORD

YEGORD

Edmonton

Wed 17/9

3:15 p.m.-11:57 p.m.

1 stop7h 42m

Chicago O'Hare Intl

Sun 21/9

1:20 p.m.-4:25 p.m.

Nonstop4h 05m

C$ 294

CalgaryChicago

YYC - MDW

YYCMDW

Calgary

Sun 11/5

6:30 a.m.-1:15 p.m.

1 stop5h 45m

Chicago Midway

Tue 13/5

1:55 p.m.-8:40 p.m.

1 stop7h 45m

C$ 313

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Sat 12/4

7:40 a.m.-5:27 p.m.

2 stops8h 47m

Chicago O'Hare Intl

Mon 14/4

1:55 p.m.-11:05 p.m.

1 stop10h 10m

C$ 317

EdmontonChicago

YEG - ORD

YEGORD

Edmonton

Thu 1/5

6:00 a.m.-12:29 a.m.

1 stop17h 29m

Chicago O'Hare Intl

Thu 8/5

4:00 p.m.-8:24 a.m.

1 stop17h 24m

C$ 353

CalgaryChicago

YYC - MDW

YYCMDW

Calgary

Sat 10/5

12:30 a.m.-1:34 p.m.

1 stop12h 04m

Chicago Midway

Tue 13/5

9:34 a.m.-8:05 p.m.

1 stop11h 31m

C$ 362

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/3

Showing 1-10 of 57 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, January is the cheapest month in which you can book a flight from Alberta to Illinois (average of C$ 261). Flying from Alberta to Illinois in March is currently the most expensive (average of C$ 355). 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 1 April 2025.

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 1 April 2025.

The most flights from CAAB to USIL are scheduled on a Monday (8 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

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 1 April 2025.
Read through reviews of airlines operating flights from Alberta to Illinois, such as Alaska Airlines, Delta and Porter Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Porter Airlines
7.9
Good
278 reviews
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,615 reviews
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,818 reviews
Check prices

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

  • 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$ 132), Air Canada (C$ 142), and United Airlines (C$ 165).

  • 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, January is the cheapest month in which you can book a flight from Alberta to Illinois (average of C$ 261). Flying from Alberta to Illinois in March is currently the most expensive (average of C$ 355). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 6 airlines flying from Alberta to Illinois

Discover the top 6 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 1 April 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 152AverageC$ 435FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 164AverageC$ 521FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 185AverageC$ 428FlexibilityNo cancel feeOn-time60%
Search WestJet flights
American AirlinesCheapestC$ 203AverageC$ 418FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 252AverageC$ 574FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJet EncoreCheapestC$ 578AverageC$ 1,021FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore 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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