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Cheap flights from Alberta to Illinois from C$ 148

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — ORD
25 Nov — 2 Dec1
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 20 November 2024.

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 20 November 2024.

Tue 26/118:30 a.m.YYC - ORD
1 stop9h 06mAir Canada
Sat 30/1112:52 p.m.ORD - YYC
1 stop9h 26mAir Canada
Deal found 19/11C$ 307
Sat 7/127:00 a.m.YYC - MDW
1 stop10h 32mDelta
Tue 10/129:30 a.m.MDW - YYC
2 stops12h 08mDelta
Deal found 19/11C$ 308
Sat 7/127:00 a.m.YYC - ORD
2 stops13h 12mDelta
Tue 10/128:35 a.m.ORD - YYC
2 stops13h 03mDelta
Deal found 19/11C$ 308
Wed 27/119:35 a.m.YEG - ORD
1 stop8h 57mAir Canada
Tue 3/128:25 p.m.ORD - YEG
1 stop13h 12mAir Canada
Deal found 19/11C$ 395
Tue 17/126:55 p.m.YYC - ORD
1 stop9h 47mMultiple Airlines
Thu 19/128:34 p.m.ORD - YYC
1 stop27h 21mMultiple Airlines
Deal found 19/11C$ 414
Mon 2/1212:45 a.m.YEG - ORD
2 stops32h 32mMultiple Airlines
Mon 9/123:25 p.m.ORD - YEG
1 stop21h 35mMultiple Airlines
Deal found 19/11C$ 437
Thu 21/1112:41 p.m.YYC - ORD
Nonstop3h 28mUnited Airlines
Fri 29/118:45 a.m.ORD - YYC
Nonstop3h 54mUnited Airlines
Deal found 19/11C$ 438
Wed 27/117:00 a.m.YYC - STL
2 stops15h 41mDelta
Tue 3/127:15 a.m.STL - YYC
2 stops16h 54mDelta
Deal found 18/11C$ 489
Fri 13/127:00 a.m.YEG - STL
2 stops24h 13mMultiple Airlines
Sun 15/128:34 p.m.STL - YEG
1 stop18h 36mMultiple Airlines
Deal found 20/11C$ 491
Thu 5/123:27 p.m.YEG - ORD
1 stop17h 04mUnited Airlines
Tue 17/127:10 a.m.ORD - YEG
2 stops15h 55mUnited Airlines
Deal found 19/11C$ 493
Wed 27/1112:45 p.m.YYC - STL
1 stop8h 53mAmerican Airlines
Tue 3/124:03 p.m.STL - YYC
1 stop6h 48mAmerican Airlines
Deal found 18/11C$ 501
Mon 2/1212:20 a.m.YYC - STL
2 stops10h 44mWestJet
Tue 3/125:05 p.m.STL - YYC
2 stops29h 41mWestJet
Deal found 18/11C$ 549

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 645,034 searches. Data last updated 20 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Thu 10/4

8:30 a.m.-12:49 p.m.

Nonstop3h 19m

Chicago O'Hare Intl

Tue 15/4

9:03 a.m.-4:52 p.m.

1 stop8h 49m

C$ 294

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Sat 7/12

7:00 a.m.-2:39 p.m.

1 stop6h 39m

Chicago O'Hare Intl

Tue 10/12

12:35 p.m.-11:16 p.m.

2 stops11h 41m

C$ 307

CalgaryChicago

YYC - MDW

YYCMDW

Calgary

Sat 7/12

7:00 a.m.-6:32 p.m.

1 stop10h 32m

Chicago Midway

Tue 10/12

9:30 a.m.-8:38 p.m.

2 stops12h 08m

C$ 308

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Thu 10/4

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

Nonstop3h 26m

Chicago O'Hare Intl

Tue 15/4

7:45 p.m.-10:29 p.m.

Nonstop3h 44m

C$ 311

CalgaryChicago

YYC - MDW

YYCMDW

Calgary

Thu 23/1

12:30 a.m.-11:54 a.m.

1 stop10h 24m

Chicago Midway

Sun 26/1

12:43 p.m.-10:55 p.m.

1 stop11h 12m

C$ 379

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Tue 1/4

8:30 a.m.-12:49 p.m.

Nonstop3h 19m

Chicago O'Hare Intl

Tue 8/4

12:45 p.m.-9:38 p.m.

1 stop9h 53m

C$ 385

EdmontonChicago

YEG - ORD

YEGORD

Edmonton

Tue 7/1

12:45 a.m.-11:47 a.m.

1 stop10h 02m

Chicago O'Hare Intl

Sun 12/1

6:36 p.m.-2:10 p.m.

1 stop20h 34m

C$ 393

EdmontonChicago

YEG - ORD

YEGORD

Edmonton

Thu 1/5

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

1 stop5h 44m

Chicago O'Hare Intl

Tue 13/5

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

1 stop7h 57m

C$ 396

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 17/1

2:09 p.m.-8:43 p.m.

1 stop5h 34m

Lambert-St Louis

Mon 20/1

4:36 p.m.-9:41 p.m.

1 stop6h 05m

C$ 419

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 17/1

7:15 a.m.-8:56 p.m.

2 stops12h 41m

Lambert-St Louis

Mon 20/1

3:35 p.m.-8:53 p.m.

1 stop6h 18m

C$ 420

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/11

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 May is currently the most expensive (average of C$ 342). 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 20 November 2024.

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 20 November 2024.

The most flights from CAAB to USIL are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, 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 20 November 2024.
Read through reviews of airlines operating flights from Alberta to Illinois, such as Air Canada, Delta and Alaska 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
9,461 reviews
Check prices

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.2

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Alaska Airlines
8.0
Very good
9,461 reviews
Alaska Airlines
8.0
Very good
9,461 reviews
Check prices

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.2

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Delta
8.0
Very good
8,756 reviews
Alaska Airlines
8.0
Very good
9,461 reviews
Check prices

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.2

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Porter Airlines
7.8
Good
288 reviews
Alaska Airlines
8.0
Very good
9,461 reviews
Check prices

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.2

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Aeromexico
7.5
Good
2,004 reviews
Alaska Airlines
8.0
Very good
9,461 reviews
Check prices

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.2

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

United Airlines
7.4
Good
9,171 reviews
Alaska Airlines
8.0
Very good
9,461 reviews
Check prices

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.2

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

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$ 148), Air Canada (C$ 164), and United Airlines (C$ 179).

  • 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 May is currently the most expensive (average of C$ 342). 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

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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 645,034 searches. Data last updated 20 November 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 198AverageC$ 426FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 234AverageC$ 497FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 284AverageC$ 610FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 310AverageC$ 407FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 322AverageC$ 943FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJet EncoreCheapestC$ 564AverageC$ 996FlexibilityNo 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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