$107+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YYC
May 30 — Jun 61
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Calgary with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 April 30, 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 April 30, 2026.
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.
Mon 5/257:44 pm
ORD
- YYC
Nonstop3h 53m
United Airlines
Sat 5/306:00 am
YYC
- ORD
1 stop14h 39m
United Airlines
Deal found 4/27![United Airlines logo]()
$235
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Tue 6/212:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Deal found 4/27![WestJet logo]()
$236
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/257:44 pm
ORD
- YYC
Nonstop3h 53m
United Airlines
Thu 6/412:28 pm
YYC
- ORD
Nonstop3h 37m
United Airlines
Deal found 4/25![United Airlines logo]()
$237
This Justfly.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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:30 pm
ORD
- YYC
Nonstop3h 55m
Multiple Airlines
Sat 5/307:05 am
YYC
- ORD
1 stop8h 15m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$243
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/225:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Sat 5/3012:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Deal found 4/25![WestJet logo]()
$244
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.
Sat 5/236:00 am
ORD
- YYC
1 stop16h 48m
United Airlines
Tue 5/261:27 pm
YYC
- ORD
1 stop10h 17m
United Airlines
Deal found 4/29![United Airlines logo]()
$245
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.
Sat 5/235:30 pm
ORD
- YYC
Nonstop3h 55m
Multiple Airlines
Wed 5/277:05 am
YYC
- ORD
1 stop8h 15m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$246
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.
Mon 5/257:44 pm
ORD
- YYC
Nonstop3h 53m
United Airlines
Sun 5/318:30 am
YYC
- ORD
Nonstop3h 37m
United Airlines
Deal found 4/29![United Airlines logo]()
$247
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Sun 5/3112:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Deal found 4/25![WestJet logo]()
$248
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:30 pm
ORD
- YYC
Nonstop3h 55m
Multiple Airlines
Fri 5/297:05 am
YYC
- ORD
1 stop8h 15m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$249
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 5/271:59 pm
MDW
- YYC
1 stop7h 31m
Delta
Fri 5/296:45 am
YYC
- MDW
1 stop10h 11m
Delta
Deal found 4/26![Delta logo]()
$256
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 5/249:23 am
MDW
- YYC
2 stops14h 34m
Delta
Sun 5/316:45 am
YYC
- MDW
1 stop5h 34m
Delta
Deal found 4/26![Delta logo]()
$266
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 April 30, 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 April 30, 2026.
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.
Fri 5/152:11 pm
ORD
- YYC
1 stop9h 46m
Delta
Tue 5/196:45 am
YYC
- ORD
1 stop9h 06m
Delta
Deal found 4/30![Delta logo]()
$288
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/205:27 pm
STL
- YYC
1 stop24h 43m
Multiple Airlines
Sun 5/248:45 am
YYC
- STL
2 stops23h 10m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$409
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.
Tue 5/2612:30 pm
ORD
- YYC
1 stop9h 00m
Delta
Tue 6/27:45 am
YYC
- ORD
1 stop10h 05m
Delta
Deal found 4/28![Delta logo]()
$300
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.
Fri 5/82:11 pm
ORD
- YYC
1 stop9h 46m
Delta
Fri 5/157:45 am
YYC
- ORD
1 stop10h 05m
Delta
Deal found 4/29![Delta logo]()
$311
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.
Fri 7/1711:43 am
MLI
- YYC
1 stop13h 06m
American Airlines
Tue 7/217:00 am
YYC
- MLI
1 stop16h 41m
American Airlines
Deal found 4/29![American Airlines logo]()
$721
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 5/167:12 am
ORD
- YYC
1 stop6h 58m
Delta
Sat 5/2312:00 pm
YYC
- ORD
Nonstop3h 40m
Delta
Deal found 4/27![Delta logo]()
$322
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/175:07 pm
MLI
- YYC
2 stops17h 13m
WestJet
Mon 7/2011:50 pm
YYC
- MLI
2 stops15h 35m
WestJet
Deal found 4/28![WestJet logo]()
$811
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.
Thu 6/42:11 pm
ORD
- YYC
1 stop9h 46m
Delta
Mon 6/86:45 am
YYC
- ORD
2 stops12h 46m
Delta
Deal found 4/28![Delta logo]()
$324
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 5/231:22 pm
MDW
- YYC
1 stop7h 43m
Delta
Sat 5/307:00 am
YYC
- MDW
1 stop8h 12m
Delta
Deal found 4/26![Delta logo]()
$338
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.
Mon 5/111:22 pm
MDW
- YYC
1 stop7h 43m
Delta
Tue 5/1912:30 am
YYC
- MDW
1 stop8h 30m
Delta
Deal found 4/27![Delta logo]()
$338
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 5/255:30 pm
ORD
- YYC
Nonstop3h 55m
Delta
Mon 6/17:45 am
YYC
- ORD
1 stop10h 05m
Delta
Deal found 4/28![Delta logo]()
$342
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:31 pm
SPI
- YYC
2 stops27h 44m
Multiple Airlines
Sat 7/189:00 am
YYC
- SPI
1 stop9h 41m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$719
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.
Mon 5/2512:30 pm
ORD
- YYC
1 stop9h 00m
Delta
Sat 5/306:45 am
YYC
- ORD
1 stop9h 06m
Delta
Deal found 4/27![Delta logo]()
$369
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:08 am
MLI
- YYC
1 stop18h 41m
American Airlines
Sat 7/117:00 am
YYC
- MLI
1 stop16h 41m
American Airlines
Deal found 4/27![American Airlines logo]()
$763
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.
Fri 7/1012:27 pm
ORD
- YYC
1 stop9h 08m
Delta
Tue 7/147:45 am
YYC
- ORD
1 stop10h 12m
Delta
Deal found 4/28![Delta logo]()
$381
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:00 am
SPI
- YYC
2 stops16h 43m
American Airlines
Sat 7/182:14 pm
YYC
- SPI
1 stop9h 27m
American Airlines
Deal found 4/27![American Airlines logo]()
$795
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 7/112:27 pm
ORD
- YYC
1 stop9h 11m
Delta
Wed 7/87:45 am
YYC
- ORD
1 stop10h 12m
Delta
Deal found 4/26![Delta logo]()
$381
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.
Thu 7/166:00 am
SPI
- YYC
1 stop18h 49m
American Airlines
Tue 7/216:45 am
YYC
- SPI
2 stops16h 24m
American Airlines
Deal found 4/26![American Airlines logo]()
$795
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.
Tue 5/1912:30 pm
ORD
- YYC
1 stop9h 00m
Delta
Tue 5/266:45 am
YYC
- ORD
1 stop9h 06m
Delta
Deal found 4/29![Delta logo]()
$397
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.
Mon 6/226:00 am
SPI
- YYC
1 stop18h 42m
American Airlines
Fri 6/261:41 pm
YYC
- SPI
1 stop9h 26m
American Airlines
Deal found 4/26![American Airlines logo]()
$806
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.
Mon 6/812:27 pm
ORD
- YYC
1 stop9h 11m
Delta
Fri 6/127:40 am
YYC
- ORD
1 stop10h 18m
Delta
Deal found 4/29![Delta logo]()
$398
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.
Thu 6/182:09 pm
ORD
- YYC
1 stop9h 52m
Delta
Mon 6/226:45 am
YYC
- ORD
1 stop9h 17m
Delta
Deal found 4/27![Delta logo]()
$398
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.
Sat 9/199:30 am
MDW
- YYC
2 stops12h 14m
Delta
Sat 9/267:00 am
YYC
- MDW
2 stops10h 05m
Delta
Deal found 4/29![Delta logo]()
$422
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.
Tue 9/152:15 pm
STL
- YYC
1 stop9h 51m
Delta
Wed 9/237:15 am
YYC
- STL
2 stops14h 46m
Delta
Deal found 4/29![Delta logo]()
$439
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.
Sat 9/1212:10 pm
STL
- YYC
2 stops11h 56m
Delta
Tue 9/227:15 am
YYC
- STL
2 stops14h 46m
Delta
Deal found 4/29![Delta logo]()
$441
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.
Wed 6/179:54 am
MDW
- YYC
2 stops10h 46m
Delta
Sat 6/207:00 am
YYC
- MDW
2 stops9h 54m
Delta
Deal found 4/25![Delta logo]()
$442
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.
Tue 8/1812:10 pm
STL
- YYC
2 stops11h 56m
Delta
Tue 8/257:15 am
YYC
- STL
2 stops14h 46m
Delta
Deal found 4/29![Delta logo]()
$446
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.
Sat 6/209:54 am
MDW
- YYC
2 stops14h 07m
Delta
Thu 6/257:10 pm
YYC
- MDW
2 stops16h 31m
Delta
Deal found 4/30![Delta logo]()
$455
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.
Sat 6/209:54 am
MDW
- YYC
2 stops14h 07m
Delta
Wed 6/247:10 pm
YYC
- MDW
2 stops16h 31m
Delta
Deal found 4/30![Delta logo]()
$455
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.
Tue 8/2512:10 pm
STL
- YYC
2 stops11h 56m
Delta
Wed 9/27:15 am
YYC
- STL
2 stops14h 46m
Delta
Deal found 4/28![Delta logo]()
$463
Last-minute flights from Illinois to CalgaryDiscover last-minute flight deals from Illinois to Calgary. Data last updated April 30, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Calgary. Data last updated April 30, 2026 and is based on user searches.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/225:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Sat 5/3012:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Deal found 4/25![WestJet logo]()
$244
This Justfly.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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:30 pm
ORD
- YYC
Nonstop3h 55m
Multiple Airlines
Sat 5/307:05 am
YYC
- ORD
1 stop8h 15m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$243
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.
Sat 5/236:00 am
ORD
- YYC
1 stop16h 48m
United Airlines
Tue 5/261:27 pm
YYC
- ORD
1 stop10h 17m
United Airlines
Deal found 4/29![United Airlines logo]()
$245
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.
Sat 5/235:30 pm
ORD
- YYC
Nonstop3h 55m
Multiple Airlines
Wed 5/277:05 am
YYC
- ORD
1 stop8h 15m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$246
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Sun 5/3112:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Deal found 4/25![WestJet logo]()
$248
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 5/249:23 am
MDW
- YYC
2 stops14h 34m
Delta
Sun 5/316:45 am
YYC
- MDW
1 stop5h 34m
Delta
Deal found 4/26![Delta logo]()
$266
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.
Mon 5/257:44 pm
ORD
- YYC
Nonstop3h 53m
United Airlines
Sat 5/306:00 am
YYC
- ORD
1 stop14h 39m
United Airlines
Deal found 4/27![United Airlines logo]()
$235
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/257:44 pm
ORD
- YYC
Nonstop3h 53m
United Airlines
Thu 6/412:28 pm
YYC
- ORD
Nonstop3h 37m
United Airlines
Deal found 4/25![United Airlines logo]()
$237
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.
Mon 5/257:44 pm
ORD
- YYC
Nonstop3h 53m
United Airlines
Sun 5/318:30 am
YYC
- ORD
Nonstop3h 37m
United Airlines
Deal found 4/29![United Airlines logo]()
$247
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:30 pm
ORD
- YYC
Nonstop3h 55m
WestJet
Tue 6/212:00 pm
YYC
- ORD
Nonstop3h 40m
WestJet
Deal found 4/27![WestJet logo]()
$236
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:30 pm
ORD
- YYC
Nonstop3h 55m
Multiple Airlines
Fri 5/297:05 am
YYC
- ORD
1 stop8h 15m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$249
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 5/271:59 pm
MDW
- YYC
1 stop7h 31m
Delta
Sat 5/306:45 am
YYC
- MDW
1 stop5h 34m
Delta
Deal found 4/26![Delta logo]()
$256
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 April 30, 2026.
Search for one-way flight options from Illinois to Calgary. Find affordable one-way fares based on user searches. Data last updated April 30, 2026.
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/93:50 pm
ORD
- YYC
1 stop8h 08m
Air Canada
Deal found 4/25![Air Canada logo]()
$107
This iWofly 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/185:35 pm
ORD
- YYC
1 stop8h 46m
Air Canada
Deal found 4/27![Air Canada logo]()
$109
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 7/271:49 pm
MDW
- YYC
1 stop7h 46m
Delta
Deal found 4/28![Delta logo]()
$112
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.
Thu 6/42:11 pm
ORD
- YYC
1 stop9h 46m
Delta
Deal found 4/28![Delta logo]()
$112
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/18:55 pm
ORD
- YYC
Nonstop3h 48m
American Airlines
Deal found 4/28![American Airlines logo]()
$114
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 7/115:35 pm
ORD
- YYC
1 stop8h 46m
Air Canada
Deal found 4/29![Air Canada logo]()
$115
This ezTravel 易遊網 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 ezTravel 易遊網 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/112:11 pm
ORD
- YYC
1 stop9h 46m
Delta
Deal found 4/28![Delta logo]()
$116
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.
Tue 10/2012:30 pm
MDW
- YYC
1 stop9h 24m
Delta
Deal found 4/28![Delta logo]()
$117
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.
Wed 6/172:09 pm
ORD
- YYC
1 stop9h 52m
Delta
Deal found 4/28![Delta logo]()
$117
This Richmond 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 Richmond is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/122:11 pm
ORD
- YYC
1 stop9h 46m
Delta
Deal found 4/28![Delta logo]()
$118
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.
Sun 6/148:50 pm
ORD
- YYC
Nonstop3h 52m
American Airlines
Deal found 4/30![American Airlines logo]()
$119
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.
Mon 5/49:55 am
ORD
- YYC
Nonstop4h 04m
American Airlines
Deal found 4/30![American Airlines logo]()
$122
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 April 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $235 (United Airlines) |
One-way from | $107 (Air Canada) |
Popular in | December |
Cheapest in | January |
Average price | $379 |
Good round-trip deal | $364 or less |
Good one-way deal | $125 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 April 30, 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
Fri 5/15
2:11 pm-10:57 pm
1 stop9h 46m
Calgary
Tue 5/19
6:45 am-4:51 pm
1 stop9h 06m
$288
ChicagoCalgary
ORD - YYC
ORDYYC
Chicago O'Hare Intl
Tue 5/26
12:30 pm-8:30 pm
1 stop9h 00m
Calgary
Tue 6/2
7:45 am-6:50 pm
1 stop10h 05m
$300
ChicagoCalgary
ORD - YYC
ORDYYC
Chicago O'Hare Intl
Fri 5/8
2:11 pm-10:57 pm
1 stop9h 46m
Calgary
Fri 5/15
7:45 am-6:50 pm
1 stop10h 05m
$311
Quickest round-trip
ChicagoCalgary
ORD - YYC
ORDYYC
Chicago O'Hare Intl
Sat 5/16
7:12 am-1:10 pm
1 stop6h 58m
Calgary
Sat 5/23
12:00 pm-4:40 pm
Nonstop3h 40m
$322
ChicagoCalgary
ORD - YYC
ORDYYC
Chicago O'Hare Intl
Thu 6/4
2:11 pm-10:57 pm
1 stop9h 46m
Calgary
Mon 6/8
6:45 am-8:31 pm
2 stops12h 46m
$324
ChicagoCalgary
MDW - YYC
MDWYYC
Chicago Midway
Sat 5/23
1:22 pm-8:05 pm
1 stop7h 43m
Calgary
Sat 5/30
7:00 am-4:12 pm
1 stop8h 12m
$338
ChicagoCalgary
MDW - YYC
MDWYYC
Chicago Midway
Mon 5/11
1:22 pm-8:05 pm
1 stop7h 43m
Calgary
Tue 5/19
12:30 am-10:00 am
1 stop8h 30m
$338
ChicagoCalgary
ORD - YYC
ORDYYC
Chicago O'Hare Intl
Mon 5/25
5:30 pm-8:25 pm
Nonstop3h 55m
Calgary
Mon 6/1
7:45 am-6:50 pm
1 stop10h 05m
$342
ChicagoCalgary
ORD - YYC
ORDYYC
Chicago O'Hare Intl
Mon 5/25
12:30 pm-8:30 pm
1 stop9h 00m
Calgary
Sat 5/30
6:45 am-4:51 pm
1 stop9h 06m
$369
ChicagoCalgary
ORD - YYC
ORDYYC
Chicago O'Hare Intl
Fri 7/10
12:27 pm-8:35 pm
1 stop9h 08m
Calgary
Tue 7/14
7:45 am-6:57 pm
1 stop10h 12m
$381
Showing 1-10 of 53 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
STL-YYC
MLI-YYC
MDW-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
STL-YYC
MLI-YYC
MDW-YYC
How far ahead should I book a flight from Illinois to Calgary?
Booking 52 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 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 $617). 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 April 30, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 38% on flights from Illinois to Calgary by exploring options for tickets in the afternoon.
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 April 25, 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. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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 April 30, 2026.
The most flights from USIL to YYC are scheduled on a Thursday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).
How much does it cost to fly round-trip from Illinois to Calgary?
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
Airdrie
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 April 30, 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 April 30, 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 April 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$71 | Average$247 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$87 | Average$341 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$110 | Average$191 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$127 | Average$262 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$224 | Average$424 | FlexibilityNo cancel fee | On-time71% |