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Cheap flights from Alberta to Illinois from C$ 155

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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — ORD
27 Apr — 4 May1
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 22 April 2025.

Round-trip from

C$ 238

One-way from

C$ 155

Popular in

December

Cheapest in

May

Average price

C$ 280

Good round-trip deal

C$ 275 or less

Good one-way deal

C$ 301 or less
WestJet
  • WestJet
  • 13/8-16/8
  • Nonstop
  • 7h 18m total
  • Alberta to Illinois
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Air Canada
  • Air Canada
  • 4/6
  • 1 total stop
  • 7h 15m total
  • Alberta to Illinois
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 136 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
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.
Search Deals

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 22 April 2025.

Sat 9/88:05 a.m.YEG - ORD
Nonstop3h 34mWestJet
Sun 10/81:40 p.m.ORD - YEG
Nonstop3h 48mWestJet
Deal found 22/4C$ 235
Wed 13/812:15 p.m.YYC - ORD
Nonstop3h 29mWestJet
Sat 16/85:30 p.m.ORD - YYC
Nonstop3h 49mWestJet
Deal found 20/4C$ 238
Fri 30/57:30 p.m.YYC - ORD
1 stop15h 10mUnited Airlines
Sun 1/65:02 a.m.ORD - YYC
1 stop14h 19mUnited Airlines
Deal found 21/4C$ 249
Sun 4/512:45 a.m.YYC - ORD
1 stop7h 05mAir Canada
Wed 7/58:45 a.m.ORD - YYC
Nonstop3h 56mAir Canada
Deal found 21/4C$ 254
Sun 8/68:05 a.m.YEG - ORD
Nonstop3h 40mAir Canada
Sun 22/65:02 a.m.ORD - YEG
1 stop10h 06mAir Canada
Deal found 21/4C$ 257
Sun 8/66:29 a.m.YYC - ORD
Nonstop3h 25mAmerican Airlines
Sun 22/68:30 p.m.ORD - YYC
Nonstop3h 59mAmerican Airlines
Deal found 21/4C$ 267
Sun 1/68:05 a.m.YEG - ORD
Nonstop3h 40mUnited Airlines
Wed 25/69:40 p.m.ORD - YEG
1 stop17h 28mUnited Airlines
Deal found 21/4C$ 267
Mon 19/51:15 a.m.YMM - ORD
1 stop7h 46mAir Canada
Tue 27/54:43 p.m.ORD - YMM
1 stop8h 41mAir Canada
Deal found 21/4C$ 308
Fri 2/56:45 a.m.YYC - ORD
1 stop9h 19mDelta
Tue 6/51:15 p.m.ORD - YYC
2 stops10h 50mDelta
Deal found 21/4C$ 314
Sat 7/69:35 a.m.YEG - ORD
1 stop13h 40mMultiple Airlines
Sat 28/61:40 p.m.ORD - YEG
Nonstop3h 48mMultiple Airlines
Deal found 21/4C$ 316
Wed 28/512:15 p.m.YYC - ORD
Nonstop3h 29mMultiple Airlines
Thu 29/512:34 p.m.ORD - YYC
1 stop8h 33mMultiple Airlines
Deal found 22/4C$ 334
Wed 4/68:05 a.m.YEG - ORD
Nonstop3h 34mDelta
Thu 26/611:20 a.m.ORD - YEG
1 stop9h 28mDelta
Deal found 21/4C$ 349

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 22 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

EdmontonChicago

YEG - ORD

YEGORD

Edmonton

Sat 9/8

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

Nonstop3h 34m

Chicago O'Hare Intl

Sun 10/8

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

Nonstop3h 48m

C$ 235

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Wed 13/8

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

Nonstop3h 29m

Chicago O'Hare Intl

Sat 16/8

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

Nonstop3h 49m

C$ 238

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Fri 30/5

7:30 p.m.-11:40 a.m.

1 stop15h 10m

Chicago O'Hare Intl

Sun 1/6

5:02 a.m.-6:21 p.m.

1 stop14h 19m

C$ 249

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Sun 4/5

12:45 a.m.-8:50 a.m.

1 stop7h 05m

Chicago O'Hare Intl

Wed 7/5

8:45 a.m.-11:41 a.m.

Nonstop3h 56m

C$ 254

EdmontonChicago

YEG - ORD

YEGORD

Edmonton

Sun 8/6

1:00 a.m.-9:52 a.m.

1 stop7h 52m

Chicago O'Hare Intl

Tue 24/6

5:02 a.m.-2:08 p.m.

1 stop10h 06m

C$ 257

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Sun 8/6

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

Nonstop3h 25m

Chicago O'Hare Intl

Sun 22/6

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

Nonstop3h 59m

C$ 267

EdmontonChicago

YEG - ORD

YEGORD

Edmonton

Sun 1/6

8:05 a.m.-12:45 p.m.

Nonstop3h 40m

Chicago O'Hare Intl

Wed 25/6

9:40 p.m.-2:08 p.m.

1 stop17h 28m

C$ 267

Fort McMurrayChicago

YMM - ORD

YMMORD

Fort Mcmurray

Mon 19/5

1:15 a.m.-10:01 a.m.

1 stop7h 46m

Chicago O'Hare Intl

Tue 27/5

4:43 p.m.-12:24 a.m.

1 stop8h 41m

C$ 308

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Fri 2/5

6:45 a.m.-5:04 p.m.

1 stop9h 19m

Chicago O'Hare Intl

Tue 6/5

1:15 p.m.-11:05 p.m.

2 stops10h 50m

C$ 314

EdmontonChicago

YEG - ORD

YEGORD

Edmonton

Sat 7/6

9:35 a.m.-12:15 a.m.

1 stop13h 40m

Chicago O'Hare Intl

Sat 28/6

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

Nonstop3h 48m

C$ 316

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/4

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, 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 22 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 22 April 2025.

The most flights from CAAB to USIL are scheduled on a Monday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 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 22 April 2025.
Read through reviews of airlines operating flights from Alberta to Illinois, such as Alaska Airlines, Porter Airlines and Delta. 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
9,906 reviews
Check prices

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,906 reviews
Alaska Airlines
8.0
Very good
9,906 reviews
Check prices

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Porter Airlines
8.0
Very good
284 reviews
Alaska Airlines
8.0
Very good
9,906 reviews
Check prices

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,906 reviews
Check prices

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,684 reviews
Alaska Airlines
8.0
Very good
9,906 reviews
Check prices

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,906 reviews
Check prices

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 Air Canada (C$ 155), WestJet (C$ 160), and United Airlines (C$ 162).

  • 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 22 April 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 146AverageC$ 409FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 155AverageC$ 459FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 170AverageC$ 420FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 178AverageC$ 394FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 242AverageC$ 515FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJet EncoreCheapestC$ 557AverageC$ 983FlexibilityNo 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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