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Cheap flights from Alberta to Illinois from C$ 183

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 21/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — ORD
3 Jun — 10 Jun1
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 4 May 2026.

Mon 18/512:00 p.m.
YYC
-
ORD
Nonstop3h 40m
WestJet
Sun 24/55:30 p.m.
ORD
-
YYC
Nonstop3h 55m
WestJet
Deal found 1/5C$ 232
Wed 20/512:00 p.m.
YYC
-
ORD
Nonstop3h 40m
WestJet
Tue 26/55:30 p.m.
ORD
-
YYC
Nonstop3h 55m
WestJet
Deal found 30/4C$ 235
Sat 30/512:00 p.m.
YYC
-
ORD
Nonstop3h 40m
WestJet
Sun 31/55:30 p.m.
ORD
-
YYC
Nonstop3h 55m
WestJet
Deal found 2/5C$ 239
Sat 23/512:00 p.m.
YYC
-
ORD
Nonstop3h 40m
WestJet
Sat 30/55:30 p.m.
ORD
-
YYC
Nonstop3h 55m
WestJet
Deal found 30/4C$ 243
Sat 23/512:00 p.m.
YYC
-
ORD
Nonstop3h 40m
WestJet
Sun 24/55:30 p.m.
ORD
-
YYC
Nonstop3h 55m
WestJet
Deal found 30/4C$ 245
Tue 19/512:00 p.m.
YYC
-
ORD
Nonstop3h 40m
WestJet
Sun 24/55:30 p.m.
ORD
-
YYC
Nonstop3h 55m
WestJet
Deal found 30/4C$ 253
Thu 21/56:30 a.m.
YYC
-
ORD
1 stop7h 25m
Multiple Airlines
Sat 30/55:30 p.m.
ORD
-
YYC
Nonstop3h 55m
Multiple Airlines
Deal found 3/5C$ 265
Wed 20/512:34 p.m.
YYC
-
ORD
Nonstop3h 27m
United Airlines
Tue 26/56:00 a.m.
ORD
-
YYC
1 stop16h 48m
United Airlines
Deal found 29/4C$ 295
Sat 23/56:30 a.m.
YYC
-
ORD
1 stop7h 25m
Multiple Airlines
Sat 30/55:30 p.m.
ORD
-
YYC
Nonstop3h 55m
Multiple Airlines
Deal found 30/4C$ 296
Thu 24/127:45 a.m.
YYC
-
MDW
2 stops13h 00m
Delta
Thu 31/1211:20 a.m.
MDW
-
YYC
2 stops12h 53m
Delta
Deal found 30/4C$ 379
Wed 27/57:40 a.m.
YEG
-
ORD
1 stop8h 00m
WestJet
Sat 30/55:30 p.m.
ORD
-
YEG
1 stop16h 40m
WestJet
Deal found 30/4C$ 380
Fri 22/57:40 a.m.
YEG
-
ORD
1 stop8h 00m
WestJet
Tue 26/55:30 p.m.
ORD
-
YEG
1 stop16h 40m
WestJet
Deal found 1/5C$ 383

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 4 May 2026.

Round-trip from

C$ 232

One-way from

C$ 183

Popular in

July

Cheapest in

November

Average price

C$ 356

Good round-trip deal

C$ 471 or less

Good one-way deal

C$ 288 or less
WestJet
  • WestJet
  • 18/5-24/5
  • Nonstop
  • 7h 35m total
  • Alberta to Illinois
Search Deals
American Airlines
  • American Airlines
  • 21/5
  • Nonstop
  • 3h 45m total
  • Alberta to Illinois
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 4 May 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 - ORD

YYCORD

Calgary

Thu 6/8

7:45 a.m.-6:57 p.m.

1 stop10h 12m

Chicago O'Hare Intl

Tue 11/8

1:55 p.m.-11:06 p.m.

1 stop10h 11m

C$ 337

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Tue 19/5

8:45 a.m.-4:49 p.m.

1 stop7h 04m

Chicago O'Hare Intl

Fri 22/5

7:45 a.m.-7:40 p.m.

2 stops12h 55m

C$ 391

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Wed 5/8

7:45 a.m.-6:57 p.m.

1 stop10h 12m

Chicago O'Hare Intl

Sun 9/8

2:02 p.m.-10:59 p.m.

1 stop9h 57m

C$ 405

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Fri 14/8

7:15 a.m.-6:01 p.m.

1 stop9h 46m

Chicago O'Hare Intl

Sun 16/8

1:55 p.m.-11:06 p.m.

1 stop10h 11m

C$ 406

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Tue 25/8

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

1 stop9h 56m

Chicago O'Hare Intl

Mon 31/8

1:55 p.m.-11:06 p.m.

1 stop10h 11m

C$ 406

EdmontonChicago

YEG - ORD

YEGORD

Edmonton

Wed 17/6

3:42 p.m.-8:16 p.m.

Nonstop3h 34m

Chicago O'Hare Intl

Sat 20/6

7:05 a.m.-10:04 p.m.

1 stop15h 59m

C$ 414

EdmontonChicago

YEG - ORD

YEGORD

Edmonton

Thu 28/5

3:17 p.m.-12:44 a.m.

1 stop8h 27m

Chicago O'Hare Intl

Wed 3/6

7:05 a.m.-10:04 p.m.

1 stop15h 59m

C$ 421

EdmontonChicago

YEG - ORD

YEGORD

Edmonton

Fri 22/5

3:17 p.m.-12:44 a.m.

1 stop8h 27m

Chicago O'Hare Intl

Mon 25/5

6:00 a.m.-10:04 p.m.

1 stop17h 04m

C$ 421

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Wed 27/5

7:45 a.m.-6:50 p.m.

1 stop10h 05m

Chicago O'Hare Intl

Wed 3/6

2:11 p.m.-10:57 p.m.

1 stop9h 46m

C$ 428

EdmontonChicago

YEG - ORD

YEGORD

Edmonton

Thu 28/5

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

1 stop8h 00m

Chicago O'Hare Intl

Tue 2/6

5:30 p.m.-6:30 p.m.

1 stop26h 00m

C$ 436

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/4

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

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

Booking 88 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.

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$ 84). Flying from Alberta to Illinois in February is currently the most expensive (average of C$ 139). 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 4 May 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 4 May 2026.

The most flights from CAAB to USIL are scheduled on a Friday (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 on average).

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 4 May 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
8,460 reviews
Check prices

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
Delta
7.9
Good
8,460 reviews
Delta
7.9
Good
8,460 reviews
Check prices

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
United Airlines
7.4
Good
9,683 reviews
Delta
7.9
Good
8,460 reviews
Check prices

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
WestJet
7.2
Good
3,331 reviews
Delta
7.9
Good
8,460 reviews
Check prices

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
American Airlines
7.1
Good
11,674 reviews
Delta
7.9
Good
8,460 reviews
Check prices

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work
Air Canada
7.1
Good
10,993 reviews
Delta
7.9
Good
8,460 reviews
Check prices

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

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 34m. Alberta and Illinois are separated by a distance of 2279 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$ 126), American Airlines (C$ 159), and United Airlines (C$ 160).

  • 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$ 84). Flying from Alberta to Illinois in February is currently the most expensive (average of C$ 139). 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 4 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 119AverageC$ 352FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 146AverageC$ 382FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 165AverageC$ 454FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 182AverageC$ 346FlexibilityNo cancel feeOn-time60%
Search WestJet flights
American AirlinesCheapestC$ 192AverageC$ 423FlexibilityNo 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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