$152+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — ORD
Jul 18 — Jul 251
Round-trip
1 adult, Economy
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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 June 18, 2026.
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 June 18, 2026.
This Justfly.com deal was found by Cheapflights users on 6/18. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:00 am
YYC
- ORD
Nonstop3h 35m
WestJet
Mon 11/22:20 pm
ORD
- YYC
Nonstop4h 55m
WestJet
Deal found 6/18![WestJet logo]()
$252
This American Airlines deal was found by Cheapflights users on 6/13. 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.
Fri 9/117:00 am
YYC
- ORD
Nonstop3h 29m
American Airlines
Sun 9/208:30 pm
ORD
- YYC
Nonstop3h 59m
American Airlines
Deal found 6/13![American Airlines logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Mon 9/2812:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Tue 10/65:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Deal found 6/17![WestJet logo]()
$266
This oojo deal was found by Cheapflights users on 6/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1112:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Tue 9/155:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Deal found 6/15![WestJet logo]()
$271
This FlightHub deal was found by Cheapflights users on 6/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Tue 9/155:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Deal found 6/15![WestJet logo]()
$272
This United Airlines deal was found by Cheapflights users on 6/17. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/212:28 pm
YYC
- ORD
Nonstop3h 36m
United Airlines
Sat 7/47:45 pm
ORD
- YYC
Nonstop3h 52m
United Airlines
Deal found 6/17![United Airlines logo]()
$278
This Air Canada deal was found by Cheapflights users on 6/17. 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.
Mon 9/2811:55 pm
YYC
- ORD
1 stop8h 05m
Air Canada
Tue 10/68:45 am
ORD
- YYC
1 stop8h 12m
Air Canada
Deal found 6/17![Air Canada logo]()
$288
This Justfly.com deal was found by Cheapflights users on 6/15. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Thu 10/85:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Deal found 6/15![WestJet logo]()
$289
This United Airlines deal was found by Cheapflights users on 6/13. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:30 pm
YYC
- ORD
Nonstop3h 35m
United Airlines
Sat 10/248:40 am
ORD
- YYC
Nonstop3h 48m
United Airlines
Deal found 6/13![United Airlines logo]()
$290
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Wed 6/171:41 pm
YYC
- ORD
Nonstop3h 45m
American Airlines
Fri 9/118:30 pm
ORD
- YYC
Nonstop3h 59m
American Airlines
Deal found 6/14![American Airlines logo]()
$291
This American Airlines deal was found by Cheapflights users on 6/17. 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 10/151:20 pm
YYC
- ORD
Nonstop3h 25m
American Airlines
Wed 10/216:00 am
ORD
- YYC
1 stop16h 42m
American Airlines
Deal found 6/17![American Airlines logo]()
$292
This Air Canada deal was found by Cheapflights users on 6/18. 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.
Fri 10/306:00 am
YYC
- ORD
1 stop7h 56m
Air Canada
Mon 11/24:00 pm
ORD
- YYC
1 stop8h 24m
Air Canada
Deal found 6/18![Air Canada logo]()
$293
Best flights from Alberta to IllinoisDiscover carefully curated flight deals from Alberta to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 18, 2026.
Discover carefully curated flight deals from Alberta to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 18, 2026.
This United Airlines deal was found by Cheapflights users on 6/13. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:30 pm
YYC
- ORD
Nonstop3h 35m
United Airlines
Sat 10/248:40 am
ORD
- YYC
Nonstop3h 48m
United Airlines
Deal found 6/13![United Airlines logo]()
$290
This Delta deal was found by Cheapflights users on 6/13. 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 10/217:45 am
YYC
- MDW
2 stops13h 25m
Delta
Sat 10/2412:30 pm
MDW
- YYC
2 stops11h 43m
Delta
Deal found 6/13![Delta logo]()
$294
This FlightHub deal was found by Cheapflights users on 6/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:30 pm
YYC
- STL
2 stops13h 36m
WestJet
Mon 7/206:30 am
STL
- YYC
1 stop14h 45m
WestJet
Deal found 6/18![WestJet logo]()
$389
This Booking.com deal was found by Cheapflights users on 6/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1311:55 pm
YYC
- STL
1 stop13h 07m
Air Canada
Wed 8/1912:10 pm
STL
- YYC
2 stops11h 50m
Air Canada
Deal found 6/18![Air Canada logo]()
$402
This United deal was found by Cheapflights users on 6/14. 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.
Wed 7/18:30 am
YYC
- ORD
Nonstop3h 37m
Multiple Airlines
Wed 7/152:15 pm
ORD
- YYC
1 stop9h 45m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$403
This Delta deal was found by Cheapflights users on 6/17. 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 12/27:45 am
YYC
- ORD
1 stop6h 12m
Delta
Sun 12/61:55 pm
ORD
- YYC
1 stop10h 18m
Delta
Deal found 6/17![Delta logo]()
$295
This Delta deal was found by Cheapflights users on 6/15. 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.
Fri 10/307:45 am
YYC
- MDW
1 stop8h 05m
Delta
Mon 11/212:30 pm
MDW
- YYC
1 stop9h 24m
Delta
Deal found 6/15![Delta logo]()
$296
This United Airlines deal was found by Cheapflights users on 6/17. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/83:15 pm
YEG
- ORD
1 stop7h 04m
United Airlines
Wed 12/92:18 pm
ORD
- YEG
1 stop8h 51m
United Airlines
Deal found 6/17![United Airlines logo]()
$336
This Delta deal was found by Cheapflights users on 6/15. 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.
Thu 11/267:45 am
YYC
- MDW
2 stops9h 52m
Delta
Sat 12/59:55 am
MDW
- YYC
2 stops14h 18m
Delta
Deal found 6/15![Delta logo]()
$296
This FlightHub deal was found by Cheapflights users on 6/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:05 am
YYC
- STL
2 stops11h 21m
WestJet
Tue 9/85:46 pm
STL
- YYC
2 stops22h 29m
WestJet
Deal found 6/15![WestJet logo]()
$395
This United Airlines deal was found by Cheapflights users on 6/15. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am
YYC
- STL
1 stop13h 46m
United Airlines
Tue 9/85:30 pm
STL
- YYC
1 stop6h 06m
United Airlines
Deal found 6/15![United Airlines logo]()
$380
This Air Canada deal was found by Cheapflights users on 6/16. 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.
Mon 11/26:00 pm
YQU
- ORD
2 stops21h 00m
Air Canada
Tue 11/311:00 pm
ORD
- YQU
2 stops19h 24m
Air Canada
Deal found 6/16![Air Canada logo]()
$420
This United deal was found by Cheapflights users on 6/16. 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.
Wed 8/193:28 pm
YEG
- ORD
Nonstop3h 33m
Multiple Airlines
Wed 8/268:45 am
ORD
- YEG
1 stop9h 05m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$432
This oojo deal was found by Cheapflights users on 6/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2311:50 pm
YYC
- STL
2 stops21h 25m
WestJet
Sun 7/266:30 am
STL
- YYC
1 stop14h 45m
WestJet
Deal found 6/15![WestJet logo]()
$400
This Delta deal was found by Cheapflights users on 6/18. 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.
Fri 9/187:45 am
YYC
- STL
1 stop8h 52m
Delta
Mon 9/212:27 pm
STL
- YYC
1 stop9h 34m
Delta
Deal found 6/18![Delta logo]()
$352
This United Airlines deal was found by Cheapflights users on 6/17. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:00 am
YYC
- ORD
1 stop13h 14m
United Airlines
Wed 9/27:45 pm
ORD
- YYC
Nonstop3h 51m
United Airlines
Deal found 6/17![United Airlines logo]()
$400
This WestJet deal was found by Cheapflights users on 6/17. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:00 am
YYC
- STL
1 stop25h 20m
WestJet
Tue 9/112:52 pm
STL
- YYC
1 stop9h 58m
WestJet
Deal found 6/17![WestJet logo]()
$406
This Delta deal was found by Cheapflights users on 6/17. 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.
Mon 9/2812:00 pm
YYC
- ORD
Nonstop3h 40m
Delta
Tue 10/612:15 pm
ORD
- YYC
1 stop9h 39m
Delta
Deal found 6/17![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 6/17. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/84:50 pm
YEG
- ORD
1 stop6h 54m
United Airlines
Sat 7/116:00 am
ORD
- YEG
1 stop17h 04m
United Airlines
Deal found 6/17![United Airlines logo]()
$413
This Delta deal was found by Cheapflights users on 6/13. 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.
Fri 9/116:35 am
YYC
- ORD
1 stop9h 58m
Delta
Sun 9/202:05 pm
ORD
- YYC
1 stop9h 56m
Delta
Deal found 6/13![Delta logo]()
$355
This United Airlines deal was found by Cheapflights users on 6/14. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/184:50 pm
YEG
- ORD
1 stop6h 54m
United Airlines
Sat 7/256:00 am
ORD
- YEG
1 stop17h 04m
United Airlines
Deal found 6/14![United Airlines logo]()
$414
This Air Canada deal was found by Cheapflights users on 6/17. 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.
Mon 11/166:00 pm
YQU
- ORD
2 stops16h 10m
Air Canada
Tue 11/174:00 pm
ORD
- YQU
2 stops26h 24m
Air Canada
Deal found 6/17![Air Canada logo]()
$574
This Delta deal was found by Cheapflights users on 6/17. 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.
Tue 10/612:20 am
YYC
- ORD
1 stop10h 46m
Delta
Thu 10/81:55 pm
ORD
- YYC
1 stop10h 18m
Delta
Deal found 6/17![Delta logo]()
$360
This FlightHub deal was found by Cheapflights users on 6/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1411:50 am
YEG
- STL
2 stops26h 23m
WestJet
Tue 7/213:58 pm
STL
- YEG
2 stops26h 12m
WestJet
Deal found 6/14![WestJet logo]()
$516
This Air Canada deal was found by Cheapflights users on 6/16. 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.
Tue 11/36:00 am
YEG
- STL
1 stop13h 59m
Air Canada
Wed 11/41:27 pm
STL
- YEG
2 stops10h 51m
Air Canada
Deal found 6/16![Air Canada logo]()
$597
This Delta deal was found by Cheapflights users on 6/14. 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.
Tue 6/306:45 am
YYC
- ORD
1 stop9h 17m
Delta
Fri 7/312:27 pm
ORD
- YYC
1 stop9h 11m
Delta
Deal found 6/14![Delta logo]()
$375
This United Airlines deal was found by Cheapflights users on 6/15. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/293:17 pm
YEG
- ORD
1 stop7h 02m
United Airlines
Wed 7/15:00 am
ORD
- YEG
1 stop10h 08m
United Airlines
Deal found 6/15![United Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 6/17. 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.
Fri 8/76:45 am
YYC
- ORD
1 stop9h 14m
Delta
Mon 8/1712:29 pm
ORD
- YYC
1 stop9h 06m
Delta
Deal found 6/17![Delta logo]()
$385
This United Airlines deal was found by Cheapflights users on 6/14. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/153:31 pm
YEG
- ORD
Nonstop3h 34m
United Airlines
Wed 7/226:00 am
ORD
- YEG
1 stop17h 04m
United Airlines
Deal found 6/14![United Airlines logo]()
$492
This Delta deal was found by Cheapflights users on 6/16. 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.
Tue 7/146:45 am
YYC
- ORD
1 stop9h 14m
Delta
Tue 7/212:02 pm
ORD
- YYC
1 stop9h 56m
Delta
Deal found 6/16![Delta logo]()
$401
Last-minute flights from Alberta to IllinoisDiscover last-minute flight deals from Alberta to Illinois. Data last updated June 18, 2026 and is based on user searches.
Discover last-minute flight deals from Alberta to Illinois. Data last updated June 18, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Wed 6/171:41 pm
YYC
- ORD
Nonstop3h 45m
American Airlines
Fri 9/118:30 pm
ORD
- YYC
Nonstop3h 59m
American Airlines
Deal found 6/14![American Airlines logo]()
$291
This United Airlines deal was found by Cheapflights users on 6/16. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/266:00 am
YYC
- ORD
1 stop16h 19m
United Airlines
Mon 6/295:00 am
ORD
- YYC
1 stop9h 53m
United Airlines
Deal found 6/16![United Airlines logo]()
$327
This United Airlines deal was found by Cheapflights users on 6/17. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3012:28 pm
YYC
- ORD
Nonstop3h 36m
United Airlines
Wed 7/156:00 am
ORD
- YYC
1 stop16h 48m
United Airlines
Deal found 6/17![United Airlines logo]()
$312
This United deal was found by Cheapflights users on 6/16. 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.
Wed 7/112:28 pm
YYC
- ORD
Nonstop3h 36m
Multiple Airlines
Wed 7/152:15 pm
ORD
- YYC
1 stop8h 45m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$320
This United Airlines deal was found by Cheapflights users on 6/17. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/212:28 pm
YYC
- ORD
Nonstop3h 36m
United Airlines
Sat 7/47:45 pm
ORD
- YYC
Nonstop3h 52m
United Airlines
Deal found 6/17![United Airlines logo]()
$278
This United deal was found by Cheapflights users on 6/15. 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.
Fri 7/37:15 pm
YYC
- ORD
1 stop13h 27m
Multiple Airlines
Wed 9/22:15 pm
ORD
- YYC
1 stop12h 36m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$326
This Air Canada deal was found by Cheapflights users on 6/15. 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.
Tue 7/141:00 am
YYC
- ORD
1 stop8h 16m
Air Canada
Wed 7/222:15 pm
ORD
- YYC
1 stop12h 06m
Air Canada
Deal found 6/15![Air Canada logo]()
$314
This Super.com deal was found by Cheapflights users on 6/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:00 am
YEG
- ORD
1 stop8h 40m
WestJet
Mon 7/205:30 pm
ORD
- YEG
1 stop6h 25m
WestJet
Deal found 6/18![WestJet logo]()
$362
This United Airlines deal was found by Cheapflights users on 6/16. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:00 am
YYC
- ORD
1 stop16h 19m
United Airlines
Tue 7/286:00 am
ORD
- YYC
1 stop16h 48m
United Airlines
Deal found 6/16![United Airlines logo]()
$296
This Justfly.com deal was found by Cheapflights users on 6/15. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:00 am
YYC
- STL
2 stops26h 28m
WestJet
Sun 7/266:30 am
STL
- YYC
1 stop14h 45m
WestJet
Deal found 6/15![WestJet logo]()
$387
This Air Canada deal was found by Cheapflights users on 6/15. 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.
Mon 7/277:45 pm
YYC
- ORD
1 stop16h 34m
Air Canada
Wed 8/52:15 pm
ORD
- YYC
1 stop9h 45m
Air Canada
Deal found 6/15![Air Canada logo]()
$309
This Air Canada deal was found by Cheapflights users on 6/15. 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.
Mon 7/277:45 pm
YYC
- ORD
1 stop16h 34m
Air Canada
Tue 8/43:45 pm
ORD
- YYC
1 stop10h 36m
Air Canada
Deal found 6/15![Air Canada logo]()
$334
One-way flights from Alberta to IllinoisSearch for one-way flight options from Alberta to Illinois. Find affordable one-way fares based on user searches. Data last updated June 18, 2026.
Search for one-way flight options from Alberta to Illinois. Find affordable one-way fares based on user searches. Data last updated June 18, 2026.
This Mytrip deal was found by Cheapflights users on 6/13. 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.
Thu 9/179:20 am
YYC
- ORD
2 stops9h 28m
Air Canada
Deal found 6/13![Air Canada logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Mon 12/149:00 am
YYC
- ORD
Nonstop2h 35m
WestJet
Deal found 6/17![WestJet logo]()
$153
This Super.com deal was found by Cheapflights users on 6/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1112:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Deal found 6/17![WestJet logo]()
$155
This Mytrip deal was found by Cheapflights users on 6/13. 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 9/157:30 am
YYC
- ORD
2 stops11h 42m
Air Canada
Deal found 6/13![Air Canada logo]()
$156
This American Airlines deal was found by Cheapflights users on 6/17. 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.
Sun 10/47:00 am
YYC
- ORD
Nonstop3h 29m
American Airlines
Deal found 6/17![American Airlines logo]()
$158
This Justfly.com deal was found by Cheapflights users on 6/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Deal found 6/17![WestJet logo]()
$159
This Justfly.com deal was found by Cheapflights users on 6/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2812:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Deal found 6/17![WestJet logo]()
$160
This American Airlines deal was found by Cheapflights users on 6/18. 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.
Tue 6/237:00 am
YYC
- ORD
Nonstop3h 35m
American Airlines
Deal found 6/18![American Airlines logo]()
$161
This Trip.com deal was found by Cheapflights users on 6/13. 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 9/166:30 am
YYC
- ORD
1 stop9h 28m
Air Canada
Deal found 6/13![Air Canada logo]()
$163
This Super.com deal was found by Cheapflights users on 6/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Deal found 6/15![WestJet logo]()
$165
This Air Canada deal was found by Cheapflights users on 6/14. 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.
Tue 7/141:00 am
YYC
- ORD
1 stop8h 16m
Air Canada
Deal found 6/14![Air Canada logo]()
$167
This Delta deal was found by Cheapflights users on 6/15. 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.
Thu 9/106:35 am
YYC
- MDW
1 stop5h 45m
Delta
Deal found 6/15![Delta logo]()
$175
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 June 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $252 (Justfly.com) |
One-way from | $152 (Mytrip) |
Popular in | July |
Cheapest in | November |
Average price | $350 |
Good round-trip deal | $335 or less |
Good one-way deal | $214 or less |
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 June 18, 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
Cheapest round-trip
Quickest round-trip
CalgaryChicago
YYC - ORD
YYCORD
Calgary
Wed 10/21
12:30 pm-5:05 pm
Nonstop3h 35m
Chicago O'Hare Intl
Sat 10/24
8:40 am-11:28 am
Nonstop3h 48m
$290
CalgaryChicago
YYC - MDW
YYCMDW
Calgary
Wed 10/21
7:45 am-10:10 pm
2 stops13h 25m
Chicago Midway
Sat 10/24
12:30 pm-11:13 pm
2 stops11h 43m
$294
CalgaryChicago
YYC - ORD
YYCORD
Calgary
Wed 12/2
7:45 am-2:57 pm
1 stop6h 12m
Chicago O'Hare Intl
Sun 12/6
1:55 pm-11:13 pm
1 stop10h 18m
$295
CalgaryChicago
YYC - MDW
YYCMDW
Calgary
Fri 10/30
7:45 am-4:50 pm
1 stop8h 05m
Chicago Midway
Mon 11/2
12:30 pm-8:54 pm
1 stop9h 24m
$296
CalgaryChicago
YYC - MDW
YYCMDW
Calgary
Thu 11/26
7:45 am-6:37 pm
2 stops9h 52m
Chicago Midway
Sat 12/5
9:55 am-11:13 pm
2 stops14h 18m
$296
EdmontonChicago
YEG - ORD
YEGORD
Edmonton
Tue 12/8
3:15 pm-11:19 pm
1 stop7h 04m
Chicago O'Hare Intl
Wed 12/9
2:18 pm-10:09 pm
1 stop8h 51m
$336
CalgarySt. Louis
YYC - STL
YYCSTL
Calgary
Fri 9/18
7:45 am-5:37 pm
1 stop8h 52m
Lambert-St Louis
Mon 9/21
2:27 pm-11:01 pm
1 stop9h 34m
$352
CalgaryChicago
YYC - ORD
YYCORD
Calgary
Mon 9/28
12:00 pm-4:40 pm
Nonstop3h 40m
Chicago O'Hare Intl
Tue 10/6
12:15 pm-8:54 pm
1 stop9h 39m
$354
CalgaryChicago
YYC - ORD
YYCORD
Calgary
Fri 9/11
6:35 am-5:33 pm
1 stop9h 58m
Chicago O'Hare Intl
Sun 9/20
2:05 pm-11:01 pm
1 stop9h 56m
$355
CalgaryChicago
YYC - ORD
YYCORD
Calgary
Tue 10/6
12:20 am-12:06 pm
1 stop10h 46m
Chicago O'Hare Intl
Thu 10/8
1:55 pm-11:13 pm
1 stop10h 18m
$360
Showing 1-10 of 60 resultsSorted by cheapest first
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.
YYC-MDW
YYC-ORD
YYC-STL
YEG-ORD
YEG-MDW
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
CAAB-USIL
YYC-MDW
YYC-ORD
YYC-STL
YEG-ORD
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 $62). Flying from Alberta to Illinois in August is currently the most expensive (average of $133). 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 June 18, 2026.
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 June 18, 2026.
The most flights from CAAB to USIL are scheduled on a Monday (14 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (11 on average).
How much does it cost to fly round-trip from Alberta to Illinois?
How far ahead should I book a flight from Alberta to Illinois?
The best time to book flights from Alberta to Illinois is 59 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 June 18, 2026.
See what other customers who have flown with Delta,United Airlines, andWestJet from Alberta to Illinois have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.8
Overall
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Boarding
8.1
Comfort
7.8
Overall
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Boarding
8.1
Comfort
7.8
Overall
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Boarding
8.1
Comfort
7.8
Overall
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Boarding
8.1
Comfort
7.8
Overall
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Boarding
8.1
Comfort
7.8
Overall
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
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
Toggle through the tabs below to find thousands of 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.
Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Alberta to Illinois by cabin class
Find flights from Alberta to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Alberta and Illinois flights
Browse other Alberta and Illinois flight options. Last updated on June 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Illinois
Find the right flight back to Alberta after your stay in Illinois
Alberta to Illinois flights
Consider these flights traveling from Alberta to Illinois.
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 2,558,603 searches. Data last updated June 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$135 | Average$444 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$135 | Average$434 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$138 | Average$331 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$208 | Average$389 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$241 | Average$288 | FlexibilityNo cancel fee | On-timeN/A |