$134+ 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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — ORD
May 31 — Jun 71
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 May 1, 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 May 1, 2026.
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Wed 5/2012:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Tue 5/265:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Deal found 4/30![WestJet logo]()
$173
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1812:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Sun 5/245:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Deal found 4/29![WestJet logo]()
$174
This Justfly.com deal was found by Cheapflights users on 4/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2612:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Fri 5/295:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Deal found 4/28![WestJet logo]()
$177
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Sat 5/305:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Deal found 4/30![WestJet logo]()
$179
This Gotogate deal was found by Cheapflights users on 4/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Sun 5/245:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Deal found 4/30![WestJet logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Tue 5/1912:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Sun 5/245:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Deal found 4/30![WestJet logo]()
$186
This American Airlines deal was found by Cheapflights users on 4/26. 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 5/296:15 am
YYC
- ORD
Nonstop3h 30m
American Airlines
Sun 6/78:50 pm
ORD
- YYC
Nonstop3h 52m
American Airlines
Deal found 4/26![American Airlines logo]()
$201
This Trip.com deal was found by Cheapflights users on 4/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Thu 6/45:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Deal found 4/28![WestJet logo]()
$213
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2012:34 pm
YYC
- ORD
Nonstop3h 27m
United Airlines
Tue 5/266:00 am
ORD
- YYC
1 stop16h 48m
United Airlines
Deal found 4/29![United Airlines logo]()
$217
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:30 am
YYC
- ORD
1 stop7h 25m
Multiple Airlines
Sat 5/305:30 pm
ORD
- YYC
Nonstop3h 55m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$218
This Delta deal was found by Cheapflights users on 4/26. 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 5/136:45 am
YYC
- MDW
1 stop10h 11m
Delta
Sat 5/169:22 am
MDW
- YYC
2 stops12h 08m
Delta
Deal found 4/26![Delta logo]()
$231
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:35 am
YYC
- MDW
2 stops14h 11m
Delta
Wed 9/96:00 am
MDW
- YYC
2 stops18h 06m
Delta
Deal found 4/27![Delta logo]()
$248
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 May 1, 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 May 1, 2026.
This Delta deal was found by Cheapflights users on 4/26. 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 5/136:45 am
YYC
- MDW
1 stop10h 11m
Delta
Sat 5/169:22 am
MDW
- YYC
2 stops12h 08m
Delta
Deal found 4/26![Delta logo]()
$231
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Wed 6/173:27 pm
YEG
- ORD
Nonstop3h 34m
United Airlines
Tue 6/236:00 am
ORD
- YEG
1 stop17h 04m
United Airlines
Deal found 4/27![United Airlines logo]()
$296
This American Airlines deal was found by Cheapflights users on 4/26. 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 6/107:00 am
YYC
- STL
1 stop16h 16m
American Airlines
Wed 6/179:08 am
STL
- YYC
1 stop15h 34m
American Airlines
Deal found 4/26![American Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Mon 5/1112:30 am
YYC
- STL
1 stop8h 14m
WestJet
Fri 5/1511:25 am
STL
- YYC
1 stop6h 35m
WestJet
Deal found 4/28![WestJet logo]()
$421
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Tue 5/1912:30 am
YYC
- MDW
1 stop9h 39m
Multiple Airlines
Sat 6/66:00 am
MDW
- YYC
1 stop12h 10m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$437
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:15 am
YEG
- MDW
3 stops25h 20m
Porter Airlines
Mon 6/810:15 am
MDW
- YEG
2 stops12h 20m
Porter Airlines
Deal found 4/30![Porter Airlines logo]()
$478
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:35 am
YYC
- MDW
2 stops14h 11m
Delta
Wed 9/96:00 am
MDW
- YYC
2 stops18h 06m
Delta
Deal found 4/27![Delta logo]()
$248
This Air Canada deal was found by Cheapflights users on 4/30. 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 8/189:30 am
YEG
- STL
1 stop8h 12m
Air Canada
Wed 8/198:55 am
STL
- YEG
1 stop15h 03m
Air Canada
Deal found 4/30![Air Canada logo]()
$501
This United Airlines deal was found by Cheapflights users on 4/26. 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 6/113:17 pm
YEG
- ORD
1 stop8h 27m
United Airlines
Tue 6/166:00 am
ORD
- YEG
1 stop17h 04m
United Airlines
Deal found 4/26![United Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 4/26. 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 6/36:45 am
YYC
- ORD
2 stops12h 29m
Delta
Wed 6/172:09 pm
ORD
- YYC
1 stop9h 52m
Delta
Deal found 4/26![Delta logo]()
$290
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 5/201:27 pm
YYC
- ORD
1 stop9h 29m
United Airlines
Sat 6/67:42 pm
ORD
- YYC
Nonstop3h 55m
United Airlines
Deal found 4/28![United Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 4/26. 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 5/2812:00 pm
YYC
- ORD
Nonstop3h 40m
Delta
Sun 6/77:35 am
ORD
- YYC
1 stop12h 30m
Delta
Deal found 4/26![Delta logo]()
$306
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/221:40 pm
YYC
- STL
1 stop17h 52m
American Airlines
Mon 5/256:00 am
STL
- YYC
1 stop18h 43m
American Airlines
Deal found 4/30![American Airlines logo]()
$380
This Delta deal was found by Cheapflights users on 4/26. 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 5/276:45 am
YYC
- MDW
1 stop5h 34m
Delta
Tue 6/99:17 am
MDW
- YYC
2 stops12h 21m
Delta
Deal found 4/26![Delta logo]()
$311
This oojo deal was found by Cheapflights users on 4/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2311:05 am
YYC
- STL
2 stops11h 13m
WestJet
Sun 10/256:30 am
STL
- YYC
2 stops10h 50m
WestJet
Deal found 4/30![WestJet logo]()
$433
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:45 am
YYC
- MDW
2 stops9h 11m
Delta
Tue 6/99:17 am
MDW
- YYC
2 stops12h 21m
Delta
Deal found 4/26![Delta logo]()
$311
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Tue 8/259:30 am
YYC
- STL
1 stop6h 01m
United Airlines
Wed 8/261:36 pm
STL
- YYC
1 stop5h 54m
United Airlines
Deal found 4/30![United Airlines logo]()
$382
This oojo deal was found by Cheapflights users on 4/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1910:15 am
YYC
- STL
1 stop5h 31m
WestJet
Fri 6/2610:20 am
STL
- YYC
2 stops11h 30m
WestJet
Deal found 4/29![WestJet logo]()
$438
This Delta deal was found by Cheapflights users on 4/29. 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.
Wed 5/2712:00 pm
YYC
- ORD
Nonstop3h 40m
Delta
Wed 6/37:12 am
ORD
- YYC
1 stop6h 58m
Delta
Deal found 4/29![Delta logo]()
$318
This Mytrip deal was found by Cheapflights users on 5/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2211:50 am
YEG
- MDW
2 stops20h 50m
Porter Airlines
Thu 6/2510:25 am
MDW
- YEG
2 stops12h 15m
Porter Airlines
Deal found 5/1![Porter Airlines logo]()
$521
This Air Canada deal was found by Cheapflights users on 4/29. 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 6/305:55 pm
YQU
- ORD
2 stops16h 26m
Air Canada
Sat 7/47:55 pm
ORD
- YQU
2 stops22h 20m
Air Canada
Deal found 4/29![Air Canada logo]()
$557
This Delta deal was found by Cheapflights users on 4/26. 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 5/2311:00 am
YYC
- MDW
1 stop6h 33m
Delta
Thu 6/119:54 am
MDW
- YYC
2 stops10h 46m
Delta
Deal found 4/26![Delta logo]()
$324
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Sat 5/303:42 pm
YEG
- ORD
Nonstop3h 34m
United Airlines
Sat 6/136:00 am
ORD
- YEG
1 stop9h 08m
United Airlines
Deal found 4/27![United Airlines logo]()
$463
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:00 am
YYC
- ORD
2 stops13h 50m
Delta
Thu 6/118:36 am
ORD
- YYC
2 stops12h 04m
Delta
Deal found 4/25![Delta logo]()
$324
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 5/273:42 pm
YEG
- ORD
Nonstop3h 34m
United Airlines
Sat 5/307:05 am
ORD
- YEG
1 stop15h 59m
United Airlines
Deal found 4/28![United Airlines logo]()
$467
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:00 am
YYC
- ORD
2 stops13h 50m
Delta
Wed 6/1012:27 pm
ORD
- YYC
2 stops8h 13m
Delta
Deal found 4/26![Delta logo]()
$324
This oojo deal was found by Cheapflights users on 4/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/259:40 am
YEG
- STL
2 stops22h 52m
WestJet
Mon 7/66:21 am
STL
- YEG
2 stops12h 24m
WestJet
Deal found 4/27![WestJet logo]()
$587
This United Airlines deal was found by Cheapflights users on 4/26. 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 6/83:17 pm
YEG
- ORD
1 stop7h 02m
United Airlines
Sat 6/135:00 am
ORD
- YEG
1 stop10h 08m
United Airlines
Deal found 4/26![United Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 4/30. 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 5/286:45 am
YYC
- ORD
1 stop9h 06m
Delta
Mon 6/112:30 pm
ORD
- YYC
1 stop9h 00m
Delta
Deal found 4/30![Delta logo]()
$331
This WestJet deal was found by Cheapflights users on 4/29. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:30 pm
YEG
- MLI
2 stops24h 00m
WestJet
Sat 8/225:00 pm
MLI
- YEG
2 stops23h 25m
WestJet
Deal found 4/29![WestJet logo]()
$622
Last-minute flights from Alberta to IllinoisDiscover last-minute flight deals from Alberta to Illinois. Data last updated May 1, 2026 and is based on user searches.
Discover last-minute flight deals from Alberta to Illinois. Data last updated May 1, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/26. 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 5/136:45 am
YYC
- MDW
1 stop10h 11m
Delta
Sat 5/169:22 am
MDW
- YYC
2 stops12h 08m
Delta
Deal found 4/26![Delta logo]()
$231
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1812:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Sun 5/245:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Deal found 4/29![WestJet logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Tue 5/1912:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Sun 5/245:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Deal found 4/30![WestJet logo]()
$186
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Wed 5/2012:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Tue 5/265:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Deal found 4/30![WestJet logo]()
$173
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2012:34 pm
YYC
- ORD
Nonstop3h 27m
United Airlines
Tue 5/266:00 am
ORD
- YYC
1 stop16h 48m
United Airlines
Deal found 4/29![United Airlines logo]()
$217
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Sat 5/305:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Deal found 4/30![WestJet logo]()
$179
This Gotogate deal was found by Cheapflights users on 4/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Sun 5/245:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Deal found 4/30![WestJet logo]()
$180
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:30 am
YYC
- ORD
1 stop7h 25m
Multiple Airlines
Sat 5/305:30 pm
ORD
- YYC
Nonstop3h 55m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$218
This Justfly.com deal was found by Cheapflights users on 4/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2612:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Fri 5/295:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Deal found 4/28![WestJet logo]()
$177
This Trip.com deal was found by Cheapflights users on 4/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Thu 6/45:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Deal found 4/28![WestJet logo]()
$213
This Trip.com deal was found by Cheapflights users on 4/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:40 am
YEG
- ORD
1 stop8h 00m
WestJet
Wed 6/35:30 pm
ORD
- YEG
1 stop6h 25m
WestJet
Deal found 4/29![WestJet logo]()
$275
This American Airlines deal was found by Cheapflights users on 4/26. 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 5/296:15 am
YYC
- ORD
Nonstop3h 30m
American Airlines
Sun 6/78:50 pm
ORD
- YYC
Nonstop3h 52m
American Airlines
Deal found 4/26![American Airlines logo]()
$201
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 May 1, 2026.
Search for one-way flight options from Alberta to Illinois. Find affordable one-way fares based on user searches. Data last updated May 1, 2026.
This Air Canada deal was found by Cheapflights users on 4/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/216:30 am
YYC
- ORD
1 stop7h 25m
Air Canada
Deal found 4/27![Air Canada logo]()
$134
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/246:00 am
YYC
- ORD
1 stop13h 05m
United Airlines
Deal found 4/28![United Airlines logo]()
$135
This Trip.com deal was found by Cheapflights users on 4/26. 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 8/206:30 am
YYC
- ORD
1 stop7h 25m
Air Canada
Deal found 4/26![Air Canada logo]()
$136
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Sun 10/46:30 am
YYC
- ORD
Nonstop3h 25m
American Airlines
Deal found 4/29![American Airlines logo]()
$137
This Air Canada deal was found by Cheapflights users on 4/28. 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 5/1112:50 am
YYC
- ORD
1 stop8h 28m
Air Canada
Deal found 4/28![Air Canada logo]()
$138
This Delta deal was found by Cheapflights users on 4/26. 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 5/257:45 am
YYC
- ORD
1 stop10h 05m
Delta
Deal found 4/26![Delta logo]()
$139
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 5/201:27 pm
YYC
- ORD
1 stop9h 29m
United Airlines
Deal found 4/28![United Airlines logo]()
$140
This Air Canada deal was found by Cheapflights users on 4/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:00 am
YYC
- ORD
1 stop7h 55m
Air Canada
Deal found 4/27![Air Canada logo]()
$141
This Air Canada deal was found by Cheapflights users on 4/29. 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.
Sat 5/236:30 am
YYC
- ORD
2 stops12h 38m
Air Canada
Deal found 4/29![Air Canada logo]()
$142
This Delta deal was found by Cheapflights users on 4/30. 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 5/216:45 am
YYC
- MDW
1 stop10h 11m
Delta
Deal found 4/30![Delta logo]()
$143
This Air Canada deal was found by Cheapflights users on 4/26. 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.
Sun 5/106:30 am
YYC
- ORD
1 stop7h 25m
Air Canada
Deal found 4/26![Air Canada logo]()
$143
This Delta deal was found by Cheapflights users on 4/28. 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 5/256:45 am
YYC
- MDW
1 stop5h 34m
Delta
Deal found 4/28![Delta logo]()
$144
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 May 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $173 (FlightHub) |
One-way from | $134 (Air Canada) |
Popular in | March |
Cheapest in | November |
Average price | $262 |
Good round-trip deal | $320 or less |
Good one-way deal | $197 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 May 1, 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 - MDW
YYCMDW
Calgary
Wed 5/13
6:45 am-5:56 pm
1 stop10h 11m
Chicago Midway
Sat 5/16
9:22 am-8:30 pm
2 stops12h 08m
$231
CalgaryChicago
YYC - MDW
YYCMDW
Calgary
Sat 9/5
6:35 am-9:46 pm
2 stops14h 11m
Chicago Midway
Wed 9/9
6:00 am-11:06 pm
2 stops18h 06m
$248
CalgaryChicago
YYC - ORD
YYCORD
Calgary
Wed 6/3
6:45 am-8:14 pm
2 stops12h 29m
Chicago O'Hare Intl
Wed 6/17
2:09 pm-11:01 pm
1 stop9h 52m
$290
EdmontonChicago
YEG - ORD
YEGORD
Edmonton
Wed 6/17
3:27 pm-8:01 pm
Nonstop3h 34m
Chicago O'Hare Intl
Tue 6/23
6:00 am-10:04 pm
1 stop17h 04m
$296
EdmontonChicago
YEG - ORD
YEGORD
Edmonton
Thu 6/11
3:17 pm-12:44 am
1 stop8h 27m
Chicago O'Hare Intl
Tue 6/16
6:00 am-10:04 pm
1 stop17h 04m
$302
CalgaryChicago
YYC - ORD
YYCORD
Calgary
Thu 5/28
12:00 pm-4:40 pm
Nonstop3h 40m
Chicago O'Hare Intl
Sun 6/7
7:35 am-7:05 pm
1 stop12h 30m
$306
CalgaryChicago
YYC - MDW
YYCMDW
Calgary
Wed 5/27
6:45 am-1:19 pm
1 stop5h 34m
Chicago Midway
Tue 6/9
9:17 am-8:38 pm
2 stops12h 21m
$311
CalgaryChicago
YYC - MDW
YYCMDW
Calgary
Sun 5/24
7:45 am-5:56 pm
2 stops9h 11m
Chicago Midway
Tue 6/9
9:17 am-8:38 pm
2 stops12h 21m
$311
CalgaryChicago
YYC - ORD
YYCORD
Calgary
Wed 5/20
1:27 pm-11:56 pm
1 stop9h 29m
Chicago O'Hare Intl
Sat 6/6
7:42 pm-10:37 pm
Nonstop3h 55m
$314
Quickest round-trip
CalgaryChicago
YYC - ORD
YYCORD
Calgary
Wed 5/27
12:00 pm-4:40 pm
Nonstop3h 40m
Chicago O'Hare Intl
Wed 6/3
7:12 am-1:10 pm
1 stop6h 58m
$318
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
YEG-ORD
YYC-STL
YEG-MDW
YEG-STL
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
YEG-ORD
YYC-STL
YEG-MDW
How far ahead should I book a flight from Alberta to Illinois?
The best time to book flights from Alberta to Illinois is 88 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.
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 February is currently the most expensive (average of $102). 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 May 1, 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 May 1, 2026.
The most flights from CAAB to USIL are scheduled on a Thursday (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 on average).
How much does it cost to fly round-trip from Alberta to Illinois?
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 May 1, 2026.
See what other customers who have flown with United Airlines,WestJet, andAmerican Airlines 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
7.7
Comfort
7.3
Overall
7.4
Entertainment
7.1
Food
6.6
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2025
YUL - ORD
Boarding
7.7
Comfort
7.3
Overall
7.4
Entertainment
7.1
Food
6.6
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2025
YUL - ORD
Boarding
7.7
Comfort
7.3
Overall
7.4
Entertainment
7.1
Food
6.6
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2025
YUL - ORD
Boarding
7.7
Comfort
7.3
Overall
7.4
Entertainment
7.1
Food
6.6
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2025
YUL - ORD
Boarding
7.7
Comfort
7.3
Overall
7.4
Entertainment
7.1
Food
6.6
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2025
YUL - ORD
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 May 1, 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 May 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$101 | Average$437 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$121 | Average$374 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$137 | Average$309 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$208 | Average$389 | FlexibilityNo cancel fee | On-time71% |