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Cheap flights from Alberta to Illinois from C$ 145

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 16/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — ORD
26 Jan — 2 Feb1
1 adult

Cheap flight deals from Alberta to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Alberta (CAAB) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 January 2025.

Round-trip from

C$ 219

One-way from

C$ 145

Good round-trip deal

C$ 368 or less

Good one-way deal

C$ 384 or less
WestJet
  • WestJet
  • 13/3-16/3
  • Nonstop
  • 7h 17m total
  • Alberta to Illinois
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WestJet
  • WestJet
  • 16/3
  • Nonstop
  • 3h 26m total
  • Alberta to Illinois
Search Deals
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 21 January 2025.

Thu 13/311:30 a.m.YYC - ORD
Nonstop3h 26mWestJet
Sun 16/34:45 p.m.ORD - YYC
Nonstop3h 51mWestJet
Deal found 21/1C$ 219
Wed 27/89:30 a.m.YEG - ORD
1 stop6h 14mWestJet
Mon 1/95:30 p.m.ORD - YEG
1 stop7h 57mWestJet
Deal found 20/1C$ 250
Wed 19/28:30 a.m.YYC - ORD
1 stop9h 04mAir Canada
Wed 26/26:39 p.m.ORD - YYC
1 stop7h 39mAir Canada
Deal found 21/1C$ 256
Wed 12/312:55 a.m.YYC - ORD
1 stop8h 59mMultiple Airlines
Sun 16/34:45 p.m.ORD - YYC
Nonstop3h 51mMultiple Airlines
Deal found 21/1C$ 273
Mon 17/37:20 p.m.YYC - ORD
1 stop13h 13mUnited Airlines
Tue 18/31:05 p.m.ORD - YYC
1 stop9h 36mUnited Airlines
Deal found 20/1C$ 276
Wed 27/88:05 a.m.YEG - ORD
Nonstop3h 40mUnited Airlines
Sun 31/85:00 a.m.ORD - YEG
1 stop10h 15mUnited Airlines
Deal found 20/1C$ 305
Fri 7/38:00 a.m.YYC - ORD
1 stop9h 23mDelta
Tue 11/312:15 p.m.ORD - YYC
2 stops12h 01mDelta
Deal found 21/1C$ 314
Mon 3/26:35 a.m.YYC - MDW
1 stop10h 08mDelta
Tue 11/21:26 p.m.MDW - YYC
1 stop8h 27mDelta
Deal found 21/1C$ 315
Sat 31/510:00 a.m.YEG - ORD
1 stop5h 44mDelta
Mon 2/68:55 a.m.ORD - YEG
2 stops13h 17mDelta
Deal found 20/1C$ 361
Sat 31/56:00 a.m.YEG - MDW
2 stops10h 03mDelta
Mon 2/61:00 p.m.MDW - YEG
2 stops9h 12mDelta
Deal found 20/1C$ 370
Tue 18/212:45 a.m.YEG - ORD
1 stop14h 46mMultiple Airlines
Wed 2/47:07 p.m.ORD - YEG
2 stops22h 42mMultiple Airlines
Deal found 21/1C$ 406
Fri 21/21:32 p.m.YYC - ORD
Nonstop3h 31mAmerican Airlines
Mon 24/28:35 p.m.ORD - YYC
1 stop16h 15mAmerican Airlines
Deal found 20/1C$ 448

Find flights from Alberta to Illinois within your budget

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 21 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Thu 13/3

11:30 a.m.-3:56 p.m.

Nonstop3h 26m

Chicago O'Hare Intl

Sun 16/3

4:45 p.m.-7:36 p.m.

Nonstop3h 51m

C$ 219

EdmontonChicago

YEG - ORD

YEGORD

Edmonton

Mon 5/5

10:00 a.m.-4:44 p.m.

1 stop5h 44m

Chicago O'Hare Intl

Mon 12/5

5:30 p.m.-12:27 a.m.

1 stop7h 57m

C$ 246

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Wed 19/2

8:30 a.m.-6:34 p.m.

1 stop9h 04m

Chicago O'Hare Intl

Wed 26/2

6:39 p.m.-1:18 a.m.

1 stop7h 39m

C$ 256

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Wed 12/3

12:55 a.m.-10:54 a.m.

1 stop8h 59m

Chicago O'Hare Intl

Sun 16/3

4:45 p.m.-7:36 p.m.

Nonstop3h 51m

C$ 273

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Mon 17/3

7:20 p.m.-9:33 a.m.

1 stop13h 13m

Chicago O'Hare Intl

Tue 18/3

1:05 p.m.-9:41 p.m.

1 stop9h 36m

C$ 276

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Fri 7/3

8:00 a.m.-6:23 p.m.

1 stop9h 23m

Chicago O'Hare Intl

Tue 11/3

12:15 p.m.-8:42 p.m.

1 stop9h 27m

C$ 314

CalgaryChicago

YYC - MDW

YYCMDW

Calgary

Mon 3/2

6:35 a.m.-5:43 p.m.

1 stop10h 08m

Chicago Midway

Tue 11/2

1:26 p.m.-8:53 p.m.

1 stop8h 27m

C$ 315

EdmontonChicago

YEG - ORD

YEGORD

Edmonton

Sat 31/5

8:00 a.m.-4:44 p.m.

1 stop7h 44m

Chicago O'Hare Intl

Mon 2/6

8:55 a.m.-9:12 p.m.

2 stops13h 17m

C$ 366

EdmontonChicago

YEG - MDW

YEGMDW

Edmonton

Sat 31/5

9:25 a.m.-6:04 p.m.

1 stop7h 39m

Chicago Midway

Mon 2/6

1:00 p.m.-10:27 p.m.

2 stops10h 27m

C$ 373

EdmontonChicago

YEG - ORD

YEGORD

Edmonton

Tue 18/2

12:45 a.m.-4:31 p.m.

1 stop14h 46m

Chicago O'Hare Intl

Wed 2/4

7:07 p.m.-4:49 p.m.

2 stops22h 42m

C$ 406

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/1

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.

Travel insights for flights from Alberta to Illinois

Get recent, data-driven insights about flights from Alberta to Illinois including ideal travel times, pricing trends, and more.

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 21 January 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.

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 21 January 2025.
Read through reviews of airlines operating flights from Alberta to Illinois, such as Air Canada, WestJet and United 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
9,706 reviews
Check prices

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 10

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
9,706 reviews
Alaska Airlines
8.0
Very good
9,706 reviews
Check prices

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 10

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
8,521 reviews
Alaska Airlines
8.0
Very good
9,706 reviews
Check prices

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 10

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
277 reviews
Alaska Airlines
8.0
Very good
9,706 reviews
Check prices

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 10

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
8,984 reviews
Alaska Airlines
8.0
Very good
9,706 reviews
Check prices

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 10

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
9,706 reviews
Check prices

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 10

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$ 145), United Airlines (C$ 171), and Air Canada (C$ 173).

  • 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

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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 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 21 January 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 204AverageC$ 438FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 237AverageC$ 496FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 270AverageC$ 588FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 318AverageC$ 418FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 339AverageC$ 586FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJet EncoreCheapestC$ 580AverageC$ 1,024FlexibilityNo 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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