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Cheap flights from Alberta to Illinois from C$ 144
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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — ORD
15 Oct — 22 Oct1
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 15 September 2025.
Find flight deals from Alberta to Illinois
Cheapest flights from Alberta to IllinoisExplore 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 15 September 2025.
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 15 September 2025.
Fri 3/1012:15 p.m.YYC - ORD
Nonstop3h 28mWestJet
Sun 5/105:30 p.m.ORD - YYC
Nonstop3h 49mWestJet
Deal found 15/9C$ 216
Fri 17/108:00 a.m.YEG - ORD
1 stop7h 43mWestJet
Sat 25/105:30 p.m.ORD - YEG
1 stop7h 57mWestJet
Deal found 14/9C$ 221
Sun 26/109:00 a.m.YYC - ORD
Nonstop3h 35mWestJet
Sat 1/118:45 a.m.ORD - YYC
Nonstop3h 50mWestJet
Deal found 13/9C$ 222
Sat 11/101:00 a.m.YEG - ORD
1 stop7h 51mAir Canada
Sat 18/109:55 a.m.ORD - YEG
2 stops11h 08mAir Canada
Deal found 15/9C$ 224
Sat 27/98:05 a.m.YEG - ORD
Nonstop3h 34mWestJet
Mon 6/105:30 p.m.ORD - YEG
1 stop7h 57mWestJet
Deal found 13/9C$ 231
Tue 28/101:29 p.m.YYC - ORD
Nonstop3h 25mAmerican Airlines
Tue 4/118:45 p.m.ORD - YYC
1 stop15h 59mAmerican Airlines
Deal found 13/9C$ 232
Sat 27/98:05 a.m.YEG - ORD
Nonstop3h 34mWestJet
Sat 4/101:40 p.m.ORD - YEG
Nonstop3h 48mWestJet
Deal found 13/9C$ 232
Sun 12/109:30 a.m.YEG - ORD
1 stop6h 13mWestJet
Sat 18/105:30 p.m.ORD - YEG
1 stop7h 57mWestJet
Deal found 15/9C$ 233
Sun 26/109:00 a.m.YYC - ORD
Nonstop3h 35mMultiple Airlines
Sat 1/118:45 a.m.ORD - YYC
Nonstop3h 50mMultiple Airlines
Deal found 13/9C$ 236
Thu 11/1212:35 p.m.YYC - ORD
Nonstop3h 35mUnited Airlines
Mon 15/127:10 a.m.ORD - YYC
1 stop15h 43mUnited Airlines
Deal found 15/9C$ 238
Sat 27/98:05 a.m.YEG - ORD
Nonstop3h 34mWestJet
Sun 5/105:30 p.m.ORD - YEG
1 stop7h 57mWestJet
Deal found 13/9C$ 238
Mon 27/1012:45 a.m.YYC - ORD
1 stop9h 33mAir Canada
Tue 4/1110:00 a.m.ORD - YYC
1 stop9h 54mAir Canada
Deal found 13/9C$ 243
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 15 September 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
Fri 3/10
12:15 p.m.-4:43 p.m.
Nonstop3h 28m
Chicago O'Hare Intl
Sun 5/10
5:30 p.m.-8:19 p.m.
Nonstop3h 49m
C$ 216
CalgaryChicago
YYC - ORD
YYCORD
Calgary
Sun 26/10
9:00 a.m.-1:35 p.m.
Nonstop3h 35m
Chicago O'Hare Intl
Sat 1/11
8:45 a.m.-11:35 a.m.
Nonstop3h 50m
C$ 222
EdmontonChicago
YEG - ORD
YEGORD
Edmonton
Sat 11/10
1:00 a.m.-9:51 a.m.
1 stop7h 51m
Chicago O'Hare Intl
Sat 18/10
3:50 p.m.-10:56 p.m.
1 stop8h 06m
C$ 229
CalgaryChicago
YYC - ORD
YYCORD
Calgary
Sun 26/10
9:00 a.m.-1:35 p.m.
Nonstop3h 35m
Chicago O'Hare Intl
Sat 1/11
8:45 a.m.-11:35 a.m.
Nonstop3h 50m
C$ 236
CalgaryChicago
YYC - ORD
YYCORD
Calgary
Thu 11/12
12:35 p.m.-5:10 p.m.
Nonstop3h 35m
Chicago O'Hare Intl
Mon 15/12
7:10 a.m.-9:53 p.m.
1 stop15h 43m
C$ 238
CalgaryChicago
YYC - ORD
YYCORD
Calgary
Mon 2/2
12:37 p.m.-5:08 p.m.
Nonstop3h 31m
Chicago O'Hare Intl
Mon 9/2
1:55 p.m.-9:53 p.m.
1 stop8h 58m
C$ 238
EdmontonChicago
YEG - ORD
YEGORD
Edmonton
Sun 12/10
9:30 a.m.-4:43 p.m.
1 stop6h 13m
Chicago O'Hare Intl
Sat 18/10
9:55 a.m.-8:03 p.m.
2 stops11h 08m
C$ 238
CalgaryChicago
YYC - ORD
YYCORD
Calgary
Fri 2/1
9:00 a.m.-1:35 p.m.
Nonstop3h 35m
Chicago O'Hare Intl
Mon 5/1
2:20 p.m.-5:15 p.m.
Nonstop3h 55m
C$ 240
EdmontonChicago
YEG - ORD
YEGORD
Edmonton
Sat 11/10
3:17 p.m.-11:59 p.m.
1 stop7h 42m
Chicago O'Hare Intl
Sat 18/10
5:01 a.m.-2:08 p.m.
1 stop10h 07m
C$ 247
EdmontonChicago
YEG - ORD
YEGORD
Edmonton
Thu 16/10
6:00 a.m.-8:25 p.m.
1 stop13h 25m
Chicago O'Hare Intl
Sun 19/10
5:01 a.m.-2:08 p.m.
1 stop10h 07m
C$ 247
Showing 1-10 of 60 results
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$ 348). 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 15 September 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 15 September 2025.
The most flights from CAAB to USIL are scheduled on a Sunday (15 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (8 on average).
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 15 September 2025.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Alberta to Illinois. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.9
Overall
8.0
Food
7.3
Boarding
8.2
Crew
8.5
Entertainment
7.9
Reviews
1 / 20
6.0
GoodMorgan Rae,Aug 2025
BRU - JFK
Comfort
7.9
Overall
8.0
Food
7.3
Boarding
8.2
Crew
8.5
Entertainment
7.9
Reviews
1 / 20
6.0
GoodMorgan Rae,Aug 2025
BRU - JFK
Comfort
7.9
Overall
8.0
Food
7.3
Boarding
8.2
Crew
8.5
Entertainment
7.9
Reviews
1 / 20
6.0
GoodMorgan Rae,Aug 2025
BRU - JFK
Comfort
7.9
Overall
8.0
Food
7.3
Boarding
8.2
Crew
8.5
Entertainment
7.9
Reviews
1 / 20
6.0
GoodMorgan Rae,Aug 2025
BRU - JFK
Comfort
7.9
Overall
8.0
Food
7.3
Boarding
8.2
Crew
8.5
Entertainment
7.9
Reviews
1 / 20
6.0
GoodMorgan Rae,Aug 2025
BRU - JFK
Comfort
7.9
Overall
8.0
Food
7.3
Boarding
8.2
Crew
8.5
Entertainment
7.9
Reviews
1 / 20
6.0
GoodMorgan Rae,Aug 2025
BRU - JFK
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.
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.
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 15 September 2025.
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.