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Illinois

$92+ Cheap flights from Alberta to Illinois

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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — ORD
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
1 adult, Economy
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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 April 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$132
(Kiwi.com)

One-way from

$92
(oojo)

Popular in

December

Cheapest in

February

Average price

$237

Good round-trip deal

$118 or less

Good one-way deal

$170 or less
Provider with most accurate pricing for Calgary-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Calgary-Chicago (CHI) flights.
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From Alberta to Illinois
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One-way flight from Alberta to Illinois
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Highest demand for flights based on searches. 16% potential increase in price ($59 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 1, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/312:15 pmYYC - ORD
Nonstop3h 29mWestJet
Fri 5/95:30 pmORD - YYC
Nonstop3h 49mWestJet
Deal found 3/31$132
This Jettzy deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/111:55 pmYYC - ORD
1 stop7h 55mAir Canada
Wed 5/74:00 pmORD - YYC
1 stop7h 58mAir Canada
Deal found 3/31$158
This United deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/312:43 pmYYC - ORD
Nonstop3h 27mMultiple Airlines
Fri 5/94:00 pmORD - YYC
1 stop7h 58mMultiple Airlines
Deal found 3/31$163
This Trip.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/208:05 amYEG - ORD
Nonstop3h 34mWestJet
Fri 8/295:30 pmORD - YEG
1 stop7h 57mWestJet
Deal found 4/1$172
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/126:29 amYYC - ORD
Nonstop3h 25mAmerican Airlines
Sun 6/158:30 pmORD - YYC
Nonstop3h 59mAmerican Airlines
Deal found 3/31$182
This Air Canada deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/173:15 pmYEG - ORD
1 stop7h 42mAir Canada
Sun 9/211:20 pmORD - YEG
Nonstop4h 05mAir Canada
Deal found 3/31$205
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/116:30 amYYC - MDW
1 stop5h 45mDelta
Tue 5/131:55 pmMDW - YYC
1 stop7h 45mDelta
Deal found 3/31$218
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/127:40 amYYC - ORD
2 stops8h 47mDelta
Mon 4/141:55 pmORD - YYC
1 stop10h 10mDelta
Deal found 3/31$221
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/912:30 amYYC - MDW
1 stop8h 03mMultiple Airlines
Tue 5/139:34 amMDW - YYC
1 stop11h 31mMultiple Airlines
Deal found 4/1$244
This Delta deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/209:30 amYEG - ORD
1 stop6h 14mDelta
Fri 8/2910:35 amORD - YEG
2 stops10h 13mDelta
Deal found 4/1$246
This Mytrip deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1310:00 amYEG - ORD
1 stop5h 44mMultiple Airlines
Fri 5/165:30 pmORD - YEG
2 stops30h 20mMultiple Airlines
Deal found 3/31$256
This Trip.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/19:35 amYEG - MDW
1 stop13h 04mMultiple Airlines
Thu 5/88:30 amMDW - YEG
1 stop12h 18mMultiple Airlines
Deal found 3/30$274

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 2,558,603 searches. Data last updated April 1, 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

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Sat 5/3

12:15 pm-4:44 pm

Nonstop3h 29m

Chicago O'Hare Intl

Fri 5/9

5:30 pm-8:19 pm

Nonstop3h 49m

$132

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Thu 5/1

11:55 pm-8:50 am

1 stop7h 55m

Chicago O'Hare Intl

Wed 5/7

4:00 pm-10:58 pm

1 stop7h 58m

$158

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Sat 5/3

12:43 pm-5:10 pm

Nonstop3h 27m

Chicago O'Hare Intl

Fri 5/9

4:00 pm-10:58 pm

1 stop7h 58m

$163

EdmontonChicago

YEG - ORD

YEGORD

Edmonton

Wed 8/20

8:05 am-12:39 pm

Nonstop3h 34m

Chicago O'Hare Intl

Fri 8/29

5:30 pm-12:27 am

1 stop7h 57m

$172

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Thu 6/12

6:29 am-10:54 am

Nonstop3h 25m

Chicago O'Hare Intl

Sun 6/15

8:30 pm-11:29 pm

Nonstop3h 59m

$182

EdmontonChicago

YEG - ORD

YEGORD

Edmonton

Wed 9/17

3:15 pm-11:57 pm

1 stop7h 42m

Chicago O'Hare Intl

Sun 9/21

1:20 pm-4:25 pm

Nonstop4h 05m

$205

CalgaryChicago

YYC - MDW

YYCMDW

Calgary

Sun 5/11

6:30 am-1:15 pm

1 stop5h 45m

Chicago Midway

Tue 5/13

1:55 pm-8:40 pm

1 stop7h 45m

$218

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Sat 4/12

7:40 am-5:27 pm

2 stops8h 47m

Chicago O'Hare Intl

Mon 4/14

1:55 pm-11:05 pm

1 stop10h 10m

$221

CalgaryChicago

YYC - MDW

YYCMDW

Calgary

Fri 5/9

12:30 am-9:33 am

1 stop8h 03m

Chicago Midway

Tue 5/13

9:34 am-8:05 pm

1 stop11h 31m

$244

EdmontonChicago

YEG - ORD

YEGORD

Edmonton

Wed 8/20

9:30 am-4:44 pm

1 stop6h 14m

Chicago O'Hare Intl

Fri 8/29

10:35 am-7:48 pm

2 stops10h 13m

$246

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 57 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, August is the cheapest month in which you can book a flight from Alberta to Illinois (average of $245). Flying from Alberta to Illinois in March is currently the most expensive (average of $323). 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 April 1, 2025.

When flying from Alberta to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 April 1, 2025.

The most flights from CAAB to USIL are scheduled on a Monday (8 on average). You will have fewer flight options on Friday, 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 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 April 1, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and Porter Airlines from Alberta to Illinois. 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
9,818 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

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
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

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
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

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
9,818 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

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
8,615 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

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
9,818 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

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?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as $92. Users have also found prices from $99 and $115 on Air Canada and United Airlines, respectively.

  • 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, August is the cheapest month in which you can book a flight from Alberta to Illinois (average of $245). Flying from Alberta to Illinois in March is currently the most expensive (average of $323). 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 4 airlines flying from Alberta to Illinois

Discover the top 4 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 2,558,603 searches. Data last updated April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$129Average$468FlexibilityNo cancel feeOn-time67%
WestJetCheapest$139Average$286FlexibilityNo cancel feeOn-time60%
American AirlinesCheapest$219Average$435FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$239Average$490FlexibilityNo cancel feeOn-time69%
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