$125+ Cheap flights from Illinois to Calgary (YYC)
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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YYC
Jul 15 — Jul 221
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Calgary with Cheapflights
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Cheapest flights from Illinois to CalgaryExplore the most affordable flight options available from Illinois to Calgary. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.
Explore the most affordable flight options available from Illinois to Calgary. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:45 am
ORD
- YYC
1 stop8h 23m
Air Canada
Mon 8/1711:55 pm
YYC
- ORD
1 stop8h 05m
Air Canada
Deal found 6/14![Air Canada logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Fri 10/212:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Deal found 6/10![WestJet logo]()
$307
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/263:40 pm
ORD
- YYC
1 stop8h 47m
Air Canada
Sat 10/37:30 am
YYC
- ORD
1 stop8h 28m
Air Canada
Deal found 6/14![Air Canada logo]()
$308
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:35 pm
ORD
- YYC
1 stop8h 42m
Air Canada
Sun 10/411:55 pm
YYC
- ORD
1 stop8h 05m
Air Canada
Deal found 6/14![Air Canada logo]()
$310
This United deal was found by Cheapflights users on 6/11. 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 7/227:45 pm
ORD
- YYC
Nonstop3h 52m
Multiple Airlines
Wed 7/2212:55 am
YYC
- ORD
1 stop7h 05m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$312
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/272:00 pm
ORD
- YYC
1 stop7h 39m
Air Canada
Tue 12/17:00 am
YYC
- ORD
1 stop9h 28m
Air Canada
Deal found 6/15![Air Canada logo]()
$314
This Trip.com deal was found by Cheapflights users on 6/11. 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 9/55:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Tue 9/812:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Deal found 6/11![WestJet logo]()
$316
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.
Tue 8/116:00 am
ORD
- YYC
1 stop16h 48m
Multiple Airlines
Tue 8/111:00 am
YYC
- ORD
1 stop8h 16m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Mon 9/712:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Deal found 6/10![WestJet logo]()
$318
This Air Canada deal was found by Cheapflights users on 6/12. 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 9/142:15 pm
ORD
- YYC
1 stop9h 42m
Air Canada
Mon 9/141:00 am
YYC
- ORD
1 stop8h 17m
Air Canada
Deal found 6/12![Air Canada logo]()
$319
This Gotogate deal was found by Cheapflights users on 6/12. 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.
Fri 8/145:35 pm
ORD
- YYC
1 stop8h 46m
Air Canada
Mon 8/171:00 am
YYC
- ORD
1 stop8h 16m
Air Canada
Deal found 6/12![Air Canada logo]()
$320
This Air Canada deal was found by Cheapflights users on 6/11. 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 8/283:45 pm
ORD
- YYC
1 stop8h 15m
Air Canada
Fri 8/281:00 am
YYC
- ORD
1 stop8h 16m
Air Canada
Deal found 6/11![Air Canada logo]()
$321
Best flights from Illinois to CalgaryDiscover carefully curated flight deals from Illinois to Calgary that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 15, 2026.
Discover carefully curated flight deals from Illinois to Calgary that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 15, 2026.
This United deal was found by Cheapflights users on 6/11. 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 8/157:45 pm
ORD
- YYC
Nonstop3h 51m
Multiple Airlines
Fri 8/211:00 am
YYC
- ORD
1 stop8h 16m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$337
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 8/127:45 pm
ORD
- YYC
Nonstop3h 51m
United Airlines
Thu 8/206:00 am
YYC
- ORD
1 stop16h 59m
United Airlines
Deal found 6/14![United Airlines logo]()
$344
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.
Mon 9/1412:40 pm
ORD
- YYC
1 stop8h 52m
Delta
Fri 9/187:45 am
YYC
- ORD
1 stop9h 34m
Delta
Deal found 6/14![Delta logo]()
$352
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Sat 8/1511:43 am
MLI
- YYC
1 stop12h 59m
American Airlines
Wed 8/191:52 pm
YYC
- MLI
1 stop9h 16m
American Airlines
Deal found 6/12![American Airlines logo]()
$659
This United deal was found by Cheapflights users on 6/12. 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 9/235:00 am
ORD
- YYC
1 stop14h 30m
Multiple Airlines
Mon 9/281:00 am
YYC
- ORD
1 stop8h 17m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$346
This Delta deal was found by Cheapflights users on 6/11. 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 10/2312:30 pm
MDW
- YYC
1 stop9h 24m
Delta
Mon 10/267:45 am
YYC
- MDW
1 stop8h 05m
Delta
Deal found 6/11![Delta logo]()
$353
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1511:43 am
MLI
- YYC
2 stops24h 07m
Alaska Airlines
Wed 8/196:33 am
YYC
- MLI
2 stops27h 40m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$717
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.
Mon 9/1411:17 am
ORD
- YYC
2 stops10h 15m
Delta
Tue 9/227:45 am
YYC
- ORD
1 stop9h 34m
Delta
Deal found 6/13![Delta logo]()
$362
This United Airlines deal was found by Cheapflights users on 6/10. 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 10/268:15 pm
STL
- YYC
1 stop16h 39m
United Airlines
Wed 10/286:20 am
YYC
- STL
1 stop13h 39m
United Airlines
Deal found 6/10![United Airlines logo]()
$436
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 8/34:57 pm
STL
- YYC
2 stops23h 18m
Multiple Airlines
Thu 8/137:00 am
YYC
- STL
1 stop9h 37m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$442
This United Airlines deal was found by Cheapflights users on 6/10. 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 8/294:40 pm
STL
- YYC
1 stop6h 08m
United Airlines
Fri 9/48:30 am
YYC
- STL
1 stop6h 08m
United Airlines
Deal found 6/10![United Airlines logo]()
$445
This Delta deal was found by Cheapflights users on 6/11. 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 11/16:30 am
STL
- YYC
1 stop7h 17m
Delta
Mon 11/302:00 pm
YYC
- STL
1 stop9h 36m
Delta
Deal found 6/11![Delta logo]()
$436
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.
Mon 8/311:36 pm
STL
- YYC
1 stop5h 54m
United Airlines
Wed 9/29:30 am
YYC
- STL
1 stop6h 04m
United Airlines
Deal found 6/14![United Airlines logo]()
$455
This United Airlines deal was found by Cheapflights users on 6/12. 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 7/34:48 pm
STL
- YYC
1 stop6h 00m
United Airlines
Tue 7/76:00 am
YYC
- STL
1 stop13h 43m
United Airlines
Deal found 6/12![United Airlines logo]()
$455
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.
Mon 9/712:29 pm
ORD
- YYC
1 stop9h 06m
Delta
Wed 9/96:35 am
YYC
- ORD
1 stop9h 58m
Delta
Deal found 6/14![Delta logo]()
$458
This United Airlines deal was found by Cheapflights users on 6/10. 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 8/35:10 am
STL
- YYC
1 stop14h 00m
United Airlines
Wed 8/126:00 am
YYC
- STL
1 stop13h 46m
United Airlines
Deal found 6/10![United Airlines logo]()
$455
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.
Fri 10/1612:30 pm
MDW
- YYC
1 stop9h 24m
Delta
Sat 10/1712:20 am
YYC
- MDW
1 stop10h 36m
Delta
Deal found 6/14![Delta logo]()
$459
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.
Tue 7/282:55 pm
SPI
- YYC
1 stop9h 54m
American Airlines
Tue 8/47:00 am
YYC
- SPI
1 stop16h 09m
American Airlines
Deal found 6/13![American Airlines logo]()
$681
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.
Wed 9/911:21 am
STL
- YYC
2 stops12h 45m
Delta
Wed 9/1612:33 pm
YYC
- STL
1 stop11h 01m
Delta
Deal found 6/14![Delta logo]()
$462
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:33 am
MLI
- YYC
2 stops24h 10m
Alaska Airlines
Sat 10/247:00 pm
YYC
- MLI
2 stops21h 42m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$758
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.
Tue 7/147:45 pm
ORD
- YYC
Nonstop3h 52m
United Airlines
Tue 7/218:30 am
YYC
- ORD
Nonstop3h 37m
United Airlines
Deal found 6/14![United Airlines logo]()
$479
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 7/2411:53 am
MLI
- YYC
1 stop12h 56m
American Airlines
Thu 7/307:00 am
YYC
- MLI
1 stop16h 41m
American Airlines
Deal found 6/13![American Airlines logo]()
$744
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.
Tue 9/1511:16 am
STL
- YYC
2 stops12h 45m
Delta
Wed 9/236:45 am
YYC
- STL
1 stop9h 08m
Delta
Deal found 6/13![Delta logo]()
$462
This United Airlines deal was found by Cheapflights users on 6/12. 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 10/2611:00 pm
ORD
- YYC
1 stop15h 56m
United Airlines
Thu 10/2912:30 pm
YYC
- ORD
Nonstop3h 20m
United Airlines
Deal found 6/12![United Airlines logo]()
$488
This Delta deal was found by Cheapflights users on 6/11. 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 9/245:30 pm
ORD
- YYC
Nonstop3h 55m
Delta
Sat 9/2612:20 am
YYC
- ORD
1 stop7h 21m
Delta
Deal found 6/11![Delta logo]()
$469
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.
Thu 9/106:00 am
MLI
- YYC
2 stops16h 42m
American Airlines
Sun 9/131:51 pm
YYC
- MLI
1 stop25h 36m
American Airlines
Deal found 6/14![American Airlines logo]()
$806
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.
Mon 9/71:51 pm
MDW
- YYC
1 stop7h 44m
Delta
Wed 9/96:35 am
YYC
- MDW
1 stop5h 45m
Delta
Deal found 6/14![Delta logo]()
$470
This Delta deal was found by Cheapflights users on 6/11. 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 9/11:51 pm
MDW
- YYC
1 stop7h 44m
Delta
Sun 9/66:45 am
YYC
- MDW
1 stop8h 12m
Delta
Deal found 6/11![Delta logo]()
$472
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.
Fri 9/181:47 pm
MDW
- YYC
1 stop7h 45m
Delta
Mon 9/217:00 am
YYC
- MDW
1 stop8h 11m
Delta
Deal found 6/14![Delta logo]()
$479
This United Airlines deal was found by Cheapflights users on 6/11. 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 10/316:45 am
MLI
- YYC
1 stop6h 09m
United Airlines
Tue 11/312:30 pm
YYC
- MLI
1 stop7h 28m
United Airlines
Deal found 6/11![United Airlines logo]()
$659
Last-minute flights from Illinois to CalgaryDiscover last-minute flight deals from Illinois to Calgary. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Calgary. Data last updated June 15, 2026 and is based on user searches.
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.
Sat 6/138:50 pm
ORD
- YYC
Nonstop3h 52m
American Airlines
Fri 6/191:41 pm
YYC
- ORD
Nonstop3h 45m
American Airlines
Deal found 6/13![American Airlines logo]()
$333
This United Airlines deal was found by Cheapflights users on 6/10. 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 6/297:00 am
ORD
- YYC
2 stops12h 10m
United Airlines
Thu 7/212:28 pm
YYC
- ORD
Nonstop3h 36m
United Airlines
Deal found 6/10![United Airlines 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 7/47:45 pm
ORD
- YYC
Nonstop3h 52m
United Airlines
Tue 7/146:00 am
YYC
- ORD
1 stop15h 49m
United Airlines
Deal found 6/14![United Airlines logo]()
$352
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:45 pm
ORD
- YYC
Nonstop3h 52m
Multiple Airlines
Tue 7/71:00 am
YYC
- ORD
1 stop8h 16m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$353
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/127:45 pm
ORD
- YYC
Nonstop3h 52m
United Airlines
Tue 7/286:00 am
YYC
- ORD
1 stop15h 49m
United Airlines
Deal found 6/10![United Airlines logo]()
$344
This United deal was found by Cheapflights users on 6/10. 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 7/157:45 pm
ORD
- YYC
Nonstop3h 52m
Multiple Airlines
Wed 7/226:30 am
YYC
- ORD
1 stop9h 27m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$342
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/175:00 am
ORD
- YYC
1 stop14h 10m
United Airlines
Wed 7/228:30 am
YYC
- ORD
Nonstop3h 37m
United Airlines
Deal found 6/11![United Airlines logo]()
$339
This United deal was found by Cheapflights users on 6/11. 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 7/227:45 pm
ORD
- YYC
Nonstop3h 52m
Multiple Airlines
Wed 7/2212:55 am
YYC
- ORD
1 stop7h 05m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$312
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/273:50 pm
ORD
- YYC
1 stop8h 10m
Air Canada
Tue 8/181:00 am
YYC
- ORD
1 stop8h 16m
Air Canada
Deal found 6/13![Air Canada logo]()
$351
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:45 am
ORD
- YYC
1 stop10h 28m
Air Canada
Tue 8/41:00 am
YYC
- ORD
1 stop8h 16m
Air Canada
Deal found 6/13![Air Canada logo]()
$346
This United deal was found by Cheapflights users on 6/10. 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 7/296:00 am
ORD
- YYC
1 stop16h 48m
Multiple Airlines
Mon 8/171:00 am
YYC
- ORD
1 stop8h 16m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 6/11. 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 7/316:30 am
ORD
- YYC
1 stop7h 44m
Delta
Fri 8/217:45 am
YYC
- ORD
1 stop9h 34m
Delta
Deal found 6/11![Delta logo]()
$354
One-way flights from Illinois to CalgarySearch for one-way flight options from Illinois to Calgary. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
Search for one-way flight options from Illinois to Calgary. Find affordable one-way fares based on user searches. Data last updated June 15, 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.
Sat 9/53:40 pm
ORD
- YYC
1 stop8h 52m
Air Canada
Deal found 6/13![Air Canada logo]()
$125
This FlipMilhas deal was found by Cheapflights users on 6/10. 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 FlipMilhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:45 am
ORD
- YYC
Nonstop3h 45m
GOL
Deal found 6/10![GOL logo]()
$132
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.
Fri 9/115:35 pm
ORD
- YYC
1 stop8h 42m
Air Canada
Deal found 6/13![Air Canada logo]()
$135
This United Airlines deal was found by Cheapflights users on 6/10. 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 9/67:45 pm
ORD
- YYC
Nonstop3h 51m
United Airlines
Deal found 6/10![United Airlines logo]()
$138
This United Airlines deal was found by Cheapflights users on 6/12. 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 9/97:45 pm
ORD
- YYC
Nonstop3h 51m
United Airlines
Deal found 6/12![United Airlines logo]()
$140
This 123 Milhas deal was found by Cheapflights users on 6/11. 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 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:45 am
ORD
- YYC
1 stop8h 12m
Air Canada
Deal found 6/11![Air Canada logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 8/189:48 pm
ORD
- YYC
1 stop17h 57m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$142
This Delta deal was found by Cheapflights users on 6/10. 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 10/2012:30 pm
MDW
- YYC
1 stop9h 24m
Delta
Deal found 6/10![Delta logo]()
$148
This Delta deal was found by Cheapflights users on 6/10. 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 9/95:00 pm
ORD
- YYC
1 stop7h 06m
Delta
Deal found 6/10![Delta logo]()
$148
This Delta deal was found by Cheapflights users on 6/12. 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 8/211:51 pm
MDW
- YYC
1 stop7h 44m
Delta
Deal found 6/12![Delta logo]()
$149
This Delta deal was found by Cheapflights users on 6/11. 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 7/316:30 am
ORD
- YYC
1 stop7h 44m
Delta
Deal found 6/11![Delta logo]()
$149
This Delta deal was found by Cheapflights users on 6/11. 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 9/91:00 pm
MDW
- YYC
2 stops11h 06m
Delta
Deal found 6/11![Delta logo]()
$154
Find flight deals from Illinois to Calgary
Keep the following information in mind while searching for Illinois to Calgary flight deals. Data was last updated June 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $306 (Mytrip) |
One-way from | $125 (Mytrip) |
Popular in | December |
Cheapest in | January |
Average price | $356 |
Good round-trip deal | $401 or less |
Good one-way deal | $166 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Calgary 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 15, 2026.
Use the filters below to find and compare flights from Illinois to Calgary that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoCalgary
ORD - YYC
ORDYYC
Chicago O'Hare Intl
Sat 8/15
7:45 pm-10:36 pm
Nonstop3h 51m
Calgary
Fri 8/21
1:00 am-10:16 am
1 stop8h 16m
$337
ChicagoCalgary
ORD - YYC
ORDYYC
Chicago O'Hare Intl
Wed 8/12
7:45 pm-10:36 pm
Nonstop3h 51m
Calgary
Thu 8/20
6:00 am-11:59 pm
1 stop16h 59m
$344
ChicagoCalgary
ORD - YYC
ORDYYC
Chicago O'Hare Intl
Wed 9/23
5:00 am-6:30 pm
1 stop14h 30m
Calgary
Mon 9/28
1:00 am-10:17 am
1 stop8h 17m
$346
ChicagoCalgary
ORD - YYC
ORDYYC
Chicago O'Hare Intl
Mon 9/14
12:40 pm-8:32 pm
1 stop8h 52m
Calgary
Fri 9/18
7:45 am-6:19 pm
1 stop9h 34m
$352
ChicagoCalgary
MDW - YYC
MDWYYC
Chicago Midway
Fri 10/23
12:30 pm-8:54 pm
1 stop9h 24m
Calgary
Mon 10/26
7:45 am-4:50 pm
1 stop8h 05m
$353
ChicagoCalgary
ORD - YYC
ORDYYC
Chicago O'Hare Intl
Mon 9/14
11:17 am-8:32 pm
2 stops10h 15m
Calgary
Tue 9/22
7:45 am-6:19 pm
1 stop9h 34m
$362
St. LouisCalgary
STL - YYC
STLYYC
Lambert-St Louis
Mon 10/26
8:15 pm-11:54 am
1 stop16h 39m
Calgary
Wed 10/28
6:20 am-8:59 pm
1 stop13h 39m
$436
St. LouisCalgary
STL - YYC
STLYYC
Lambert-St Louis
Sun 11/1
6:30 am-12:47 pm
1 stop7h 17m
Calgary
Mon 11/30
2:00 pm-12:36 am
1 stop9h 36m
$436
St. LouisCalgary
STL - YYC
STLYYC
Lambert-St Louis
Mon 8/3
4:57 pm-3:15 pm
2 stops23h 18m
Calgary
Thu 8/13
7:00 am-5:37 pm
1 stop9h 37m
$442
St. LouisCalgary
STL - YYC
STLYYC
Lambert-St Louis
Sat 8/29
4:40 pm-9:48 pm
1 stop6h 08m
Calgary
Fri 9/4
8:30 am-3:38 pm
1 stop6h 08m
$445
Showing 1-10 of 58 resultsSorted by cheapest first
Best time to book a flight from Illinois to Calgary
Have a flexible travel schedule? Discover the best time to fly to Calgary from Illinois with our price prediction graph.
ORD-YYC
MLI-YYC
MDW-YYC
STL-YYC
SPI-YYC
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 Illinois to Calgary
USIL-YYC
ORD-YYC
MLI-YYC
MDW-YYC
STL-YYC
What is the cheapest month to book a flight from Illinois to Calgary?
Currently, November is the cheapest month in which you can book a flight from Illinois to Calgary (average of $60). Flying from Illinois to Calgary in September is currently the most expensive (average of $640). 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 IL to YYC?
Find hourly flight availability from Illinois to Calgary. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 15, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 39% on flights from Illinois to Calgary by exploring options for tickets at noon.
Weekly flight availability from Illinois to Calgary
Explore weekly flight availability from Illinois to Calgary. 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 15, 2026.
The most flights from USIL to YYC are scheduled on a Monday (13 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (13 on average).
How much does it cost to fly round-trip from Illinois to Calgary?
How far ahead should I book a flight from Illinois to Calgary?
Booking 51 days in advance of your planned departure date is, on average, the best time to get cheap flights from Illinois to Calgary. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest day to fly from Illinois to Calgary?
Use this chart to determine the cheapest time to fly round-trip from Illinois to Calgary. Price data was last updated on June 13, 2026.
Travelers seeking maximum savings on their Illinois to Calgary flight should consider departing on Thursday at noon when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Illinois to Calgary. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Calgary?
Book flights to Calgary if you plan to visit one of these locationsCanmore
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.
Alternative routes
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Complete your trip
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Alternative routes for Illinois to Calgary
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Calgary
Explore flights to Calgary departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 15, 2026.
Complete your trip
Complete your trip to Calgary by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Calgary by cabin class
Find flights from Illinois to Calgary, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Calgary flights
Browse other Illinois and Calgary flight options. Last updated on June 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Illinois to Calgary flights
Consider these flights traveling from Illinois to Calgary.
Top 5 airlines flying from Illinois to Calgary
Discover the top 5 airlines that operate flights from Illinois to Calgary. 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 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$397 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$111 | Average$215 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$123 | Average$306 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$132 | Average$272 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$231 | Average$447 | FlexibilityNo cancel fee | On-time71% |