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Cheap flights from Alberta to Illinois from C$ 218

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Alberta to Illinois departing on 10/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Alberta to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
9:00 a.m. - 1:35 p.m.
YYC
-
ORD
3h 35mdirect
WestJet Logo
2:20 p.m. - 6:15 p.m.
ORD
-
YYC
4h 55mdirect
C$ 357WestJet
Fri, 30 Oct - Mon, 2 Nov
WestJet Logo
9:00 a.m. - 1:35 p.m.
YYC
-
ORD
3h 35mdirect
WestJet Logo
2:20 p.m. - 6:15 p.m.
ORD
-
YYC
4h 55mdirect
C$ 359WestJet
Fri, 30 Oct - Mon, 2 Nov
WestJet Logo
12:00 p.m. - 4:40 p.m.
YYC
-
ORD
3h 40mdirect
WestJet Logo
5:30 p.m. - 8:25 p.m.
ORD
-
YYC
3h 55mdirect
C$ 371WestJet
Mon, 21 Sep - Mon, 28 Sep
United Airlines Logo
12:37 p.m. - 5:10 p.m.
YYC
-
ORD
3h 33mdirect
United Airlines Logo
8:40 a.m. - 11:35 a.m.
ORD
-
YYC
3h 55mdirect
C$ 387United Airlines
Fri, 30 Oct - Tue, 3 Nov
United Airlines Logo
12:37 p.m. - 5:10 p.m.
YYC
-
ORD
3h 33mdirect
United Airlines Logo
9:47 p.m. - 1:56 p.m.
ORD
-
YYC
17h 09m
1 stop
C$ 390United Airlines
Fri, 30 Oct - Mon, 2 Nov
Air Canada Logo
6:30 a.m. - 2:55 p.m.
YYC
-
ORD
7h 25m
1 stop
Air Canada Logo
5:35 p.m. - 1:17 a.m.
ORD
-
YYC
8h 42m
1 stop
C$ 405Air Canada
Tue, 8 Sep - Fri, 11 Sep
Delta Logo
7:45 a.m. - 4:50 p.m.
YYC
-
MDW
8h 05m
1 stop
Delta Logo
1:05 p.m. - 11:13 p.m.
MDW
-
YYC
11h 08m
2 stops
C$ 417Delta
Fri, 30 Oct - Tue, 3 Nov
Delta Logo
7:45 a.m. - 4:50 p.m.
YYC
-
MDW
8h 05m
1 stop
Delta Logo
12:30 p.m. - 8:54 p.m.
MDW
-
YYC
9h 24m
1 stop
C$ 460Delta
Fri, 30 Oct - Mon, 2 Nov
Air Canada Logo
6:00 a.m. - 2:56 p.m.
YEG
-
ORD
7h 56m
1 stop
Air Canada Logo
12:00 p.m. - 8:53 p.m.
ORD
-
YEG
9h 53m
1 stop
C$ 489Air Canada
Tue, 8 Dec - Wed, 9 Dec
American Airlines Logo
7:00 a.m. - 11:09 p.m.
YEG
-
STL
15h 09m
2 stops
American Airlines Logo
6:02 a.m. - 3:59 p.m.
STL
-
YEG
10h 57m
2 stops
C$ 767American Airlines
Mon, 19 Oct - Thu, 22 Oct

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WestJet flights from Alberta to Illinois

Our best WestJet deals on Alberta to Illinois flight tickets
WestJet
30 Oct
YYC9:00 a.m.Calgary
3h 35m
ORD1:35 p.m.Chicago O'Hare Intl
2 Nov
ORD2:20 p.m.Chicago O'Hare Intl
4h 55m
YYC6:15 p.m.Calgary
C$ 357
WestJet
30 Oct
YYC9:00 a.m.Calgary
3h 35m
ORD1:35 p.m.Chicago O'Hare Intl
2 Nov
ORD2:20 p.m.Chicago O'Hare Intl
4h 55m
YYC6:15 p.m.Calgary
C$ 358
WestJet
21 Sep
YYC12:00 p.m.Calgary
3h 40m
ORD4:40 p.m.Chicago O'Hare Intl
28 Sep
ORD5:30 p.m.Chicago O'Hare Intl
3h 55m
YYC8:25 p.m.Calgary
C$ 371

United Airlines flights from Alberta to Illinois

Our best United Airlines deals on Alberta to Illinois flight tickets
United Airlines
30 Oct
YYC12:37 p.m.Calgary
3h 33m
ORD5:10 p.m.Chicago O'Hare Intl
3 Nov
ORD8:40 a.m.Chicago O'Hare Intl
3h 55m
YYC11:35 a.m.Calgary
C$ 387
United Airlines
30 Oct
YYC12:37 p.m.Calgary
3h 33m
ORD5:10 p.m.Chicago O'Hare Intl
2 Nov
ORD9:47 p.m.Chicago O'Hare Intl
17h 09m
1 stop
YYC1:56 p.m.Calgary
C$ 390
United Airlines
30 Oct
YYC12:37 p.m.Calgary
3h 33m
ORD5:10 p.m.Chicago O'Hare Intl
2 Nov
ORD9:47 p.m.Chicago O'Hare Intl
17h 09m
1 stop
YYC1:56 p.m.Calgary
C$ 410

momondo 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, momondo users made 96,600 searches. Data last updated 25 June 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

Fri 30/10

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

Nonstop3h 35m

Chicago O'Hare Intl

Mon 2/11

2:20 p.m.-6:15 p.m.

Nonstop4h 55m

C$ 357

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Fri 30/10

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

Nonstop3h 35m

Chicago O'Hare Intl

Mon 2/11

2:20 p.m.-6:15 p.m.

Nonstop4h 55m

C$ 358

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Mon 21/9

12:00 p.m.-4:40 p.m.

Nonstop3h 40m

Chicago O'Hare Intl

Mon 28/9

5:30 p.m.-8:25 p.m.

Nonstop3h 55m

C$ 371
Quickest round-trip

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Fri 30/10

12:37 p.m.-5:10 p.m.

Nonstop3h 33m

Chicago O'Hare Intl

Tue 3/11

8:40 a.m.-11:35 a.m.

Nonstop3h 55m

C$ 387

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Fri 30/10

12:37 p.m.-5:10 p.m.

Nonstop3h 33m

Chicago O'Hare Intl

Mon 2/11

9:47 p.m.-1:56 p.m.

1 stop17h 09m

C$ 390

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Tue 8/9

6:30 a.m.-2:55 p.m.

1 stop7h 25m

Chicago O'Hare Intl

Fri 11/9

5:35 p.m.-1:17 a.m.

1 stop8h 42m

C$ 405

CalgaryChicago

YYC - MDW

YYCMDW

Calgary

Fri 30/10

7:45 a.m.-4:50 p.m.

1 stop8h 05m

Chicago Midway

Tue 3/11

1:05 p.m.-11:13 p.m.

2 stops11h 08m

C$ 417

CalgaryChicago

YYC - MDW

YYCMDW

Calgary

Fri 30/10

7:45 a.m.-4:50 p.m.

1 stop8h 05m

Chicago Midway

Mon 2/11

12:30 p.m.-8:54 p.m.

1 stop9h 24m

C$ 460

EdmontonChicago

YEG - ORD

YEGORD

Edmonton

Tue 8/12

6:00 a.m.-2:56 p.m.

1 stop7h 56m

Chicago O'Hare Intl

Wed 9/12

12:00 p.m.-8:53 p.m.

1 stop9h 53m

C$ 489

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Mon 19/10

7:00 a.m.-11:09 p.m.

2 stops15h 09m

Lambert-St Louis

Thu 22/10

6:02 a.m.-3:59 p.m.

2 stops10h 57m

C$ 767

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from Alberta to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Illinois?

In general, March is the cheapest month to fly from Alberta to Illinois. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 88. If you don’t want to visit Illinois in March, then you should wait until September to fly from Alberta, when ticket prices are also cheap, with an average price of C$ 91.

What is the cheapest day to depart on your flight to Illinois?

According to our data, Friday is the cheapest day to fly to Illinois from Alberta. The lowest ticket price found for a Friday departure recently was C$ 646. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Illinois is Sunday, with ticket prices averaging around C$ 1,104.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Alberta to Illinois during this time can be as low as C$ 724. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 1,266 on average. Flights to Illinois from Alberta at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Alberta to Illinois flight route?

Fly from Calgary to Chicago O'Hare Intl for the best Alberta - Illinois flight prices

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

You are more likely to see cheaper flights to Illinois from Alberta when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around C$ 421 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Alberta for as low as C$ 309 on momondo.

What cabin class options are available on Alberta to Illinois flights?

There are 4 cabin classes available to choose from on Alberta to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Alberta to Illinois flights?

You could potentially save up to 32% on your flight if you consider stops on a Alberta to Illinois flight.

Cheap Alberta to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Alberta to Illinois

Best price found

C$ 302

Fastest flight time

3h 20m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Alberta in the past 72 hours is C$ 302. The best round-trip flight deal from Alberta to Illinois found on momondo in the last 72 hours is C$ 337.
The fastest flight from Alberta to Illinois takes 3h 20m
Direct flights go from Alberta to Illinois every day.
There are 98 airports in Illinois. From Alberta there are direct flights to Chicago O'Hare Intl (ORD).
Search flight deals

Frequently asked questions about flying from Alberta to Illinois

  • When did momondo last update prices for flights from Alberta to Illinois?

    Prices for flights from Alberta to Illinois are refreshed on a daily basis.

  • How many operators does momondo search for flights from Alberta to Illinois?

  • How old do you have to be to fly from Alberta to Illinois?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Alberta to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Alberta to Illinois?

Best airlines flying from Alberta to Illinois

Compare and see reviews for airlines that fly from Alberta to Illinois with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 124Free CancellationRating
7.1
11,254 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 189Free CancellationRating
7.4
9,885 reviews
Search United Airlines flights
DeltaPriceFrom C$ 190Free CancellationRating
7.8
8,434 reviews
Search Delta flights
WestJetPriceFrom C$ 190Free CancellationRating
7.2
3,384 reviews
Search WestJet flights
American AirlinesPriceFrom C$ 202Free CancellationRating
7.1
11,754 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Alberta to Illinois?

It is quick and easy to find Alberta to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

Can I find flights from Alberta to Illinois with flexible booking policies on momondo?

Yes. All flights to Illinois from Alberta on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Alberta to Illinois?

Once all potential Alberta to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Alberta to Illinois right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Alberta to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Illinois

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