$168+ 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — ORD
Sep 1 — Sep 81
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 August 2, 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 August 2, 2026.
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Tue 9/295:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Deal found 7/30![WestJet logo]()
$209
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Thu 9/175:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Deal found 7/30![WestJet logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Sun 9/2012:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Tue 9/295:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Deal found 7/31![WestJet logo]()
$216
This United Airlines deal was found by Cheapflights users on 7/31. 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 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 7/31![United Airlines logo]()
$229
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2212:37 pm
YYC
- ORD
Nonstop3h 33m
United Airlines
Sat 11/288:40 am
ORD
- YYC
Nonstop3h 55m
United Airlines
Deal found 7/30![United Airlines logo]()
$236
This United deal was found by Cheapflights users on 7/31. 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.
Wed 10/2112:30 pm
YYC
- ORD
Nonstop3h 35m
Multiple Airlines
Sat 10/243:40 pm
ORD
- YYC
1 stop8h 47m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$237
This Trip.com deal was found by Cheapflights users on 7/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:00 am
YYC
- ORD
1 stop8h 15m
Air Canada
Tue 9/298:45 am
ORD
- YYC
1 stop8h 12m
Air Canada
Deal found 7/31![Air Canada logo]()
$238
This Trip.com deal was found by Cheapflights users on 8/1. 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.
Thu 9/241:00 am
YYC
- ORD
1 stop8h 15m
Air Canada
Fri 10/22:15 pm
ORD
- YYC
1 stop9h 42m
Air Canada
Deal found 8/1![Air Canada logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Wed 10/2112:20 am
YYC
- STL
1 stop8h 20m
Multiple Airlines
Sun 10/2510:35 am
STL
- YYC
1 stop9h 39m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$290
This Delta deal was found by Cheapflights users on 8/1. 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.
Sat 11/217:35 am
YYC
- MDW
1 stop8h 04m
Delta
Wed 11/2512:30 pm
MDW
- YYC
2 stops11h 47m
Delta
Deal found 8/1![Delta logo]()
$290
This oojo deal was found by Cheapflights users on 7/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:00 am
YEG
- ORD
1 stop8h 40m
WestJet
Mon 9/145:30 pm
ORD
- YEG
1 stop6h 25m
WestJet
Deal found 7/31![WestJet logo]()
$308
This FlightHub deal was found by Cheapflights users on 7/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:00 am
YEG
- ORD
1 stop8h 40m
WestJet
Fri 9/115:30 pm
ORD
- YEG
1 stop8h 14m
WestJet
Deal found 7/31![WestJet logo]()
$309
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 August 2, 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 August 2, 2026.
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Sun 11/2212:37 pm
YYC
- ORD
Nonstop3h 33m
United Airlines
Sat 11/288:40 am
ORD
- YYC
Nonstop3h 55m
United Airlines
Deal found 7/28![United Airlines logo]()
$244
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/247:15 am
YYC
- ORD
2 stops13h 19m
Delta
Thu 12/311:55 pm
ORD
- YYC
1 stop10h 18m
Delta
Deal found 7/30![Delta logo]()
$318
This United deal was found by Cheapflights users on 7/28. 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 9/58:00 am
YYC
- ORD
1 stop9h 32m
Multiple Airlines
Tue 9/89:55 am
ORD
- YYC
1 stop14h 02m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$318
This Justfly.com deal was found by Cheapflights users on 8/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:30 am
YEG
- ORD
1 stop8h 10m
WestJet
Mon 8/315:30 pm
ORD
- YEG
1 stop18h 00m
WestJet
Deal found 8/1![WestJet logo]()
$348
This American Airlines deal was found by Cheapflights users on 7/29. 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 9/181:51 pm
YYC
- STL
1 stop19h 29m
American Airlines
Thu 9/245:00 am
STL
- YYC
1 stop19h 29m
American Airlines
Deal found 7/29![American Airlines logo]()
$364
This Air Canada deal was found by Cheapflights users on 8/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:55 pm
YQU
- ORD
2 stops15h 20m
Air Canada
Mon 9/148:40 pm
ORD
- YQU
2 stops21h 35m
Air Canada
Deal found 8/1![Air Canada logo]()
$432
This United Airlines deal was found by Cheapflights users on 8/2. 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 11/101:37 pm
YYC
- ORD
Nonstop2h 33m
United Airlines
Thu 11/128:40 am
ORD
- YYC
Nonstop4h 55m
United Airlines
Deal found 8/2![United Airlines logo]()
$306
This Porter Airlines deal was found by Cheapflights users on 7/29. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:05 am
YEG
- MDW
2 stops26h 55m
Porter Airlines
Tue 9/2911:45 am
MDW
- YEG
2 stops10h 45m
Porter Airlines
Deal found 7/29![Porter Airlines logo]()
$659
This Delta deal was found by Cheapflights users on 7/28. 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 10/267:00 am
YYC
- MDW
2 stops8h 47m
Delta
Wed 10/2810:59 am
MDW
- YYC
2 stops10h 41m
Delta
Deal found 7/28![Delta logo]()
$349
This United deal was found by Cheapflights users on 7/31. 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.
Mon 8/313:17 pm
YEG
- ORD
1 stop17h 26m
Multiple Airlines
Tue 9/12:15 pm
ORD
- YEG
1 stop9h 48m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Tue 8/189:30 pm
YEG
- ORD
2 stops18h 10m
WestJet
Wed 8/265:30 pm
ORD
- YEG
1 stop6h 25m
WestJet
Deal found 7/27![WestJet logo]()
$368
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:37 pm
YYC
- ORD
Nonstop3h 33m
United Airlines
Mon 11/28:40 am
ORD
- YYC
Nonstop3h 55m
United Airlines
Deal found 7/30![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 7/28. 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 11/227:14 am
YYC
- ORD
2 stops12h 11m
Delta
Sat 11/2812:40 pm
ORD
- YYC
1 stop9h 18m
Delta
Deal found 7/28![Delta logo]()
$351
This United deal was found by Cheapflights users on 7/30. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/23:28 pm
YEG
- ORD
Nonstop3h 34m
Multiple Airlines
Tue 9/82:15 pm
ORD
- YEG
1 stop9h 46m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$366
This Kissandfly.com deal was found by Cheapflights users on 7/29. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:00 am
YYC
- STL
1 stop15h 58m
WestJet
Tue 8/258:48 am
STL
- YYC
1 stop9h 12m
WestJet
Deal found 7/29![WestJet logo]()
$382
This United Airlines deal was found by Cheapflights users on 7/31. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:28 pm
YEG
- ORD
Nonstop3h 34m
United Airlines
Wed 9/95:55 am
ORD
- YEG
1 stop17h 09m
United Airlines
Deal found 7/31![United Airlines logo]()
$352
This Delta deal was found by Cheapflights users on 7/28. 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 8/2612:00 pm
YYC
- ORD
Nonstop3h 40m
Delta
Wed 9/25:30 pm
ORD
- YYC
Nonstop3h 55m
Delta
Deal found 7/28![Delta logo]()
$362
This FlightHub deal was found by Cheapflights users on 7/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:20 am
YYC
- STL
1 stop8h 34m
WestJet
Wed 8/262:10 pm
STL
- YYC
1 stop7h 05m
WestJet
Deal found 7/31![WestJet logo]()
$387
This United deal was found by Cheapflights users on 7/30. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:00 am
YYC
- STL
1 stop11h 46m
Multiple Airlines
Tue 9/82:40 pm
STL
- YYC
1 stop7h 25m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$388
This Air Canada deal was found by Cheapflights users on 7/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:55 pm
YQU
- ORD
2 stops15h 20m
Air Canada
Sat 9/198:40 pm
ORD
- YQU
2 stops21h 35m
Air Canada
Deal found 7/30![Air Canada logo]()
$474
This Delta deal was found by Cheapflights users on 7/29. 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 9/1211:05 am
YYC
- ORD
2 stops9h 33m
Delta
Sat 9/197:00 am
ORD
- YYC
1 stop7h 10m
Delta
Deal found 7/29![Delta logo]()
$364
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:00 am
YYC
- ORD
1 stop11h 21m
United Airlines
Wed 9/28:40 am
ORD
- YYC
1 stop10h 50m
United Airlines
Deal found 7/30![United Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Thu 9/1712:20 am
YYC
- STL
1 stop11h 50m
Multiple Airlines
Fri 9/252:29 pm
STL
- YYC
1 stop8h 21m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$391
This oojo deal was found by Cheapflights users on 7/28. 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.
Sat 9/1212:20 am
YYC
- STL
1 stop8h 14m
WestJet
Fri 9/186:15 am
STL
- YYC
2 stops14h 25m
WestJet
Deal found 7/28![WestJet logo]()
$396
This Delta deal was found by Cheapflights users on 7/28. 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 10/111:00 am
YYC
- MDW
1 stop6h 33m
Delta
Mon 10/510:48 am
MDW
- YYC
1 stop7h 22m
Delta
Deal found 7/28![Delta logo]()
$364
This United Airlines deal was found by Cheapflights users on 8/2. 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 8/128:30 am
YYC
- ORD
Nonstop3h 35m
United Airlines
Tue 8/187:46 pm
ORD
- YYC
Nonstop3h 51m
United Airlines
Deal found 8/2![United Airlines logo]()
$383
This lastminute.com deal was found by Cheapflights users on 7/30. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:30 am
YYC
- STL
2 stops11h 26m
WestJet
Mon 11/239:45 am
STL
- YYC
2 stops12h 50m
WestJet
Deal found 7/30![WestJet logo]()
$396
This Delta deal was found by Cheapflights users on 7/29. 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 11/77:45 am
YYC
- MDW
2 stops13h 48m
Delta
Tue 11/101:22 pm
MDW
- YYC
2 stops10h 55m
Delta
Deal found 7/29![Delta logo]()
$364
This United Airlines deal was found by Cheapflights users on 7/27. 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 8/183:17 pm
YEG
- ORD
1 stop7h 42m
United Airlines
Wed 8/2612:45 pm
ORD
- YEG
Nonstop3h 47m
United Airlines
Deal found 7/27![United Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 7/31. 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.
Wed 10/217:45 am
YYC
- MDW
1 stop8h 02m
Delta
Sat 10/2412:27 pm
MDW
- YYC
2 stops11h 45m
Delta
Deal found 7/31![Delta logo]()
$381
Last-minute flights from Alberta to IllinoisDiscover last-minute flight deals from Alberta to Illinois. Data last updated August 2, 2026 and is based on user searches.
Discover last-minute flight deals from Alberta to Illinois. Data last updated August 2, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/2. 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 8/126:00 am
YYC
- ORD
1 stop13h 21m
United Airlines
Tue 8/187:46 pm
ORD
- YYC
Nonstop3h 51m
United Airlines
Deal found 8/2![United Airlines logo]()
$305
This Gotogate deal was found by Cheapflights users on 7/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Fri 8/285:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Deal found 7/29![WestJet logo]()
$279
This Air Canada deal was found by Cheapflights users on 7/28. 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 8/255:50 am
YYC
- ORD
1 stop7h 54m
Air Canada
Tue 9/13:45 pm
ORD
- YYC
1 stop8h 15m
Air Canada
Deal found 7/28![Air Canada logo]()
$288
This Delta deal was found by Cheapflights users on 7/29. 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 8/257:45 am
YYC
- ORD
1 stop9h 34m
Delta
Mon 8/312:00 pm
ORD
- YYC
1 stop10h 04m
Delta
Deal found 7/29![Delta logo]()
$310
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:45 am
YYC
- ORD
1 stop9h 34m
Delta
Mon 8/312:00 pm
ORD
- YYC
1 stop10h 04m
Delta
Deal found 7/30![Delta logo]()
$297
This United deal was found by Cheapflights users on 7/28. 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.
Thu 8/2712:34 pm
YYC
- ORD
Nonstop3h 32m
Multiple Airlines
Mon 8/313:45 pm
ORD
- YYC
1 stop17h 46m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 7/28. 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 8/277:45 am
YYC
- ORD
1 stop9h 34m
Delta
Mon 8/312:00 pm
ORD
- YYC
1 stop10h 04m
Delta
Deal found 7/28![Delta logo]()
$302
This FlightHub deal was found by Cheapflights users on 7/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:30 am
YEG
- ORD
1 stop8h 10m
WestJet
Sun 8/305:30 pm
ORD
- YEG
1 stop6h 25m
WestJet
Deal found 7/31![WestJet logo]()
$310
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:34 pm
YYC
- ORD
Nonstop3h 32m
United Airlines
Sun 8/307:46 pm
ORD
- YYC
Nonstop3h 51m
United Airlines
Deal found 7/30![United Airlines logo]()
$312
This United Airlines deal was found by Cheapflights users on 7/28. 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 8/2712:34 pm
YYC
- ORD
Nonstop3h 32m
United Airlines
Mon 8/317:46 pm
ORD
- YYC
Nonstop3h 51m
United Airlines
Deal found 7/28![United Airlines logo]()
$313
This Delta deal was found by Cheapflights users on 8/1. 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.
Sat 8/297:45 am
YYC
- ORD
2 stops15h 12m
Delta
Sat 9/510:50 am
ORD
- YYC
2 stops10h 45m
Delta
Deal found 8/1![Delta logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Sat 8/2912:00 pm
YYC
- ORD
Nonstop3h 40m
Multiple Airlines
Sat 9/57:11 am
ORD
- YYC
2 stops10h 49m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$316
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 August 2, 2026.
Search for one-way flight options from Alberta to Illinois. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:00 am
YYC
- STL
1 stop25h 40m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$168
This Justfly.com deal was found by Cheapflights users on 7/31. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/259:10 am
YEG
- ORD
1 stop6h 30m
WestJet
Deal found 7/31![WestJet logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Sun 8/3012:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Deal found 8/1![WestJet logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Tue 9/112:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Deal found 8/1![WestJet logo]()
$173
This oojo deal was found by Cheapflights users on 7/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:00 am
YEG
- ORD
1 stop8h 40m
WestJet
Deal found 7/31![WestJet logo]()
$173
This Air Canada deal was found by Cheapflights users on 8/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:30 am
YYC
- ORD
2 stops12h 35m
Air Canada
Deal found 8/1![Air Canada logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 10/1212:20 am
YYC
- STL
1 stop8h 20m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$177
This Super.com deal was found by Cheapflights users on 8/1. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/307:00 am
YEG
- ORD
1 stop8h 40m
WestJet
Deal found 8/1![WestJet logo]()
$178
This Air Canada deal was found by Cheapflights users on 7/29. 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 8/2512:55 am
YYC
- ORD
1 stop7h 05m
Air Canada
Deal found 7/29![Air Canada logo]()
$179
This United Airlines deal was found by Cheapflights users on 7/28. 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 8/146:00 am
YYC
- ORD
1 stop14h 29m
United Airlines
Deal found 7/28![United Airlines logo]()
$180
This United Airlines deal was found by Cheapflights users on 7/28. 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 8/116:00 am
YYC
- ORD
1 stop14h 52m
United Airlines
Deal found 7/28![United Airlines logo]()
$182
This Air Canada deal was found by Cheapflights users on 7/28. 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
Deal found 7/28![Air Canada logo]()
$183
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 August 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $209 (FlightHub) |
One-way from | $168 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $337 |
Good round-trip deal | $365 or less |
Good one-way deal | $229 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 August 2, 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
CalgaryChicago
YYC - ORD
YYCORD
Calgary
Sun 11/22
12:37 pm-4:10 pm
Nonstop3h 33m
Chicago O'Hare Intl
Sat 11/28
8:40 am-12:35 pm
Nonstop3h 55m
$244
CalgaryChicago
YYC - ORD
YYCORD
Calgary
Tue 11/10
1:37 pm-4:10 pm
Nonstop2h 33m
Chicago O'Hare Intl
Thu 11/12
8:40 am-1:35 pm
Nonstop4h 55m
$306
CalgaryChicago
YYC - ORD
YYCORD
Calgary
Thu 12/24
7:15 am-8:34 pm
2 stops13h 19m
Chicago O'Hare Intl
Thu 12/31
1:55 pm-12:13 am
1 stop10h 18m
$318
CalgaryChicago
YYC - ORD
YYCORD
Calgary
Sat 9/5
8:00 am-6:32 pm
1 stop9h 32m
Chicago O'Hare Intl
Tue 9/8
9:55 am-10:57 pm
1 stop14h 02m
$318
CalgaryChicago
YYC - ORD
YYCORD
Calgary
Fri 10/30
12:37 pm-5:10 pm
Nonstop3h 33m
Chicago O'Hare Intl
Mon 11/2
8:40 am-12:35 pm
Nonstop3h 55m
$339
EdmontonChicago
YEG - ORD
YEGORD
Edmonton
Thu 8/27
7:30 am-4:40 pm
1 stop8h 10m
Chicago O'Hare Intl
Mon 8/31
5:30 pm-10:30 am
1 stop18h 00m
$348
CalgaryChicago
YYC - MDW
YYCMDW
Calgary
Mon 10/26
7:00 am-4:47 pm
2 stops8h 47m
Chicago Midway
Wed 10/28
10:59 am-8:40 pm
2 stops10h 41m
$349
CalgaryChicago
YYC - ORD
YYCORD
Calgary
Sun 11/22
7:14 am-7:25 pm
2 stops12h 11m
Chicago O'Hare Intl
Sat 11/28
12:40 pm-9:58 pm
1 stop9h 18m
$351
EdmontonChicago
YEG - ORD
YEGORD
Edmonton
Sat 9/5
3:28 pm-8:02 pm
Nonstop3h 34m
Chicago O'Hare Intl
Wed 9/9
5:55 am-10:04 pm
1 stop17h 09m
$352
CalgaryChicago
YYC - ORD
YYCORD
Calgary
Wed 8/26
12:00 pm-4:40 pm
Nonstop3h 40m
Chicago O'Hare Intl
Wed 9/2
5:30 pm-8:25 pm
Nonstop3h 55m
$362
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-ORD
YEG-ORD
YYC-STL
YEG-MDW
YYC-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-ORD
YEG-ORD
YYC-STL
YEG-MDW
What is the cheapest month to book a flight from Alberta to Illinois?
Currently, February is the cheapest month in which you can book a flight from Alberta to Illinois (average of $248). Flying from Alberta to Illinois in June is currently the most expensive (average of $398). 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 August 2, 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 August 2, 2026.
The most flights from CAAB to USIL are scheduled on a Friday (14 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (5 on average).
How much does it cost to fly round-trip from Alberta to Illinois?
Airfare is below average for this route at the moment.
Alberta to Illinois flights typically cost between $267 and $425 in September.The cheapest round-trip price found within the last 5 days was $209 on WestJet (Sep 25-Sep 29).
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 August 2, 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.
Overall
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Overall
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Overall
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Overall
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Overall
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Overall
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Entertainment
7.8
Comfort
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.
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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 August 2, 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 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 August 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$135 | Average$431 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$135 | Average$467 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$163 | Average$329 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$208 | Average$371 | FlexibilityNo cancel fee | On-time71% |