$129+ Cheap flights from Kalispell (FCA) 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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — ORD
Mar 15 — Mar 221
1 adult, Economy
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Cheapest flights from Kalispell to IllinoisExplore the most affordable flight options available from Kalispell to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.
Explore the most affordable flight options available from Kalispell to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.
This United Airlines deal was found by Cheapflights users on 2/11. 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 5/2212:35 pm
FCA
- ORD
Nonstop3h 28m
United Airlines
Sun 5/248:50 am
ORD
- FCA
Nonstop3h 51m
United Airlines
Deal found 2/11![United Airlines logo]()
$249
This Alaska Airlines deal was found by Cheapflights users on 2/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/101:52 pm
FCA
- STL
1 stop9h 07m
Alaska Airlines
Wed 4/157:00 am
STL
- FCA
1 stop13h 46m
Alaska Airlines
Deal found 2/11![Alaska Airlines logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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.
Fri 10/302:10 pm
FCA
- ORD
1 stop8h 49m
Alaska Airlines
Sat 10/318:00 am
ORD
- FCA
1 stop8h 35m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 2/10. 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.
Thu 3/55:00 am
FCA
- ORD
1 stop6h 19m
Delta
Mon 3/306:15 am
ORD
- FCA
1 stop8h 13m
Delta
Deal found 2/10![Delta logo]()
$279
This Delta deal was found by Cheapflights users on 2/11. 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.
Sat 5/232:30 pm
FCA
- ORD
1 stop5h 55m
Delta
Sun 5/248:42 am
ORD
- FCA
1 stop5h 51m
Delta
Deal found 2/11![Delta logo]()
$304
This American Airlines deal was found by Cheapflights users on 2/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:57 pm
FCA
- ORD
Nonstop3h 28m
American Airlines
Mon 9/2810:05 pm
ORD
- FCA
1 stop15h 26m
American Airlines
Deal found 2/10![American Airlines logo]()
$327
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 4/22:33 pm
FCA
- ORD
1 stop7h 55m
United Airlines
Mon 4/62:35 pm
ORD
- FCA
1 stop7h 52m
United Airlines
Deal found 2/9![United Airlines logo]()
$330
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Thu 5/215:00 pm
FCA
- ORD
1 stop6h 44m
United Airlines
Tue 5/268:50 am
ORD
- FCA
Nonstop3h 51m
United Airlines
Deal found 2/11![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 2/11. 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.
Sat 5/232:30 pm
FCA
- ORD
2 stops17h 41m
Delta
Tue 5/266:30 am
ORD
- FCA
1 stop8h 03m
Delta
Deal found 2/11![Delta logo]()
$342
This Delta deal was found by Cheapflights users on 2/11. 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 5/2212:24 pm
FCA
- ORD
1 stop8h 26m
Delta
Mon 5/256:30 am
ORD
- FCA
1 stop8h 03m
Delta
Deal found 2/11![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Thu 3/52:41 pm
FCA
- STL
1 stop7h 53m
United Airlines
Fri 3/611:25 am
STL
- FCA
2 stops12h 27m
United Airlines
Deal found 2/12![United Airlines logo]()
$373
This Alaska Airlines deal was found by Cheapflights users on 2/12. 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.
Tue 10/276:33 am
FCA
- MLI
2 stops10h 09m
Alaska Airlines
Sat 10/3111:33 am
MLI
- FCA
2 stops13h 26m
Alaska Airlines
Deal found 2/12![Alaska Airlines logo]()
$454
Best flights from Kalispell to IllinoisDiscover carefully curated flight deals from Kalispell to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
Discover carefully curated flight deals from Kalispell to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
This United Airlines deal was found by Cheapflights users on 2/11. 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 5/2212:35 pm
FCA
- ORD
Nonstop3h 28m
United Airlines
Sun 5/248:50 am
ORD
- FCA
Nonstop3h 51m
United Airlines
Deal found 2/11![United Airlines logo]()
$249
This Alaska Airlines deal was found by Cheapflights users on 2/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/101:52 pm
FCA
- STL
1 stop9h 07m
Alaska Airlines
Wed 4/157:00 am
STL
- FCA
1 stop13h 46m
Alaska Airlines
Deal found 2/11![Alaska Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 2/12. 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.
Thu 3/265:09 am
FCA
- ORD
1 stop6h 09m
Delta
Mon 3/306:15 am
ORD
- FCA
1 stop8h 13m
Delta
Deal found 2/12![Delta logo]()
$269
This Delta deal was found by Cheapflights users on 2/11. 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.
Sat 5/2312:24 pm
FCA
- ORD
1 stop8h 26m
Delta
Mon 5/256:30 am
ORD
- FCA
1 stop8h 03m
Delta
Deal found 2/11![Delta logo]()
$279
This Delta deal was found by Cheapflights users on 2/10. 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.
Thu 3/55:00 am
FCA
- ORD
1 stop6h 19m
Delta
Mon 3/306:15 am
ORD
- FCA
1 stop8h 13m
Delta
Deal found 2/10![Delta logo]()
$279
This Alaska Airlines deal was found by Cheapflights users on 2/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/231:26 pm
FCA
- ORD
Nonstop3h 38m
Alaska Airlines
Tue 5/269:45 am
ORD
- FCA
Nonstop3h 50m
Alaska Airlines
Deal found 2/11![Alaska Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 2/11. 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 5/2312:35 pm
FCA
- ORD
Nonstop3h 28m
United Airlines
Mon 5/258:50 am
ORD
- FCA
Nonstop3h 51m
United Airlines
Deal found 2/11![United Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 4/22:33 pm
FCA
- ORD
1 stop7h 55m
United Airlines
Mon 4/62:35 pm
ORD
- FCA
1 stop7h 52m
United Airlines
Deal found 2/9![United Airlines logo]()
$330
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Thu 3/52:41 pm
FCA
- STL
1 stop7h 53m
United Airlines
Fri 3/611:25 am
STL
- FCA
2 stops12h 27m
United Airlines
Deal found 2/12![United Airlines logo]()
$373
This Alaska Airlines deal was found by Cheapflights users on 2/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1712:52 pm
FCA
- STL
2 stops10h 06m
Alaska Airlines
Wed 3/187:00 am
STL
- FCA
1 stop13h 46m
Alaska Airlines
Deal found 2/11![Alaska Airlines logo]()
$539
This Delta deal was found by Cheapflights users on 2/10. 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.
Fri 5/85:13 am
FCA
- MDW
2 stops12h 01m
Delta
Mon 5/119:23 am
MDW
- FCA
1 stop5h 10m
Delta
Deal found 2/10![Delta logo]()
$494
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 4/296:00 am
FCA
- PIA
2 stops15h 27m
United Airlines
Sat 5/210:40 am
PIA
- FCA
2 stops12h 17m
United Airlines
Deal found 2/9![United Airlines logo]()
$503
This Delta deal was found by Cheapflights users on 2/10. 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.
Thu 6/116:59 am
FCA
- MDW
1 stop5h 08m
Delta
Sun 6/146:45 pm
MDW
- FCA
1 stop6h 01m
Delta
Deal found 2/10![Delta logo]()
$529
This Alaska Airlines deal was found by Cheapflights users on 2/12. 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.
Wed 2/256:15 am
FCA
- STL
1 stop6h 36m
Alaska Airlines
Sat 2/282:47 pm
STL
- FCA
1 stop10h 10m
Alaska Airlines
Deal found 2/12![Alaska Airlines logo]()
$586
This United Airlines deal was found by Cheapflights users on 2/12. 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 2/256:00 am
FCA
- STL
1 stop6h 14m
United Airlines
Sat 2/288:17 am
STL
- FCA
2 stops15h 31m
United Airlines
Deal found 2/12![United Airlines logo]()
$515
This Delta deal was found by Cheapflights users on 2/10. 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.
Thu 3/55:00 am
FCA
- MDW
2 stops11h 37m
Delta
Tue 3/312:05 pm
MDW
- FCA
2 stops10h 36m
Delta
Deal found 2/10![Delta logo]()
$539
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/268:00 pm
FCA
- STL
1 stop26h 58m
Alaska Airlines
Sat 8/223:24 pm
STL
- FCA
1 stop9h 35m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$616
This Alaska Airlines deal was found by Cheapflights users on 2/12. 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.
Fri 2/277:53 pm
FCA
- STL
1 stop16h 58m
Alaska Airlines
Tue 3/37:00 am
STL
- FCA
1 stop17h 57m
Alaska Airlines
Deal found 2/12![Alaska Airlines logo]()
$718
This Delta deal was found by Cheapflights users on 2/11. 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 3/55:00 am
FCA
- MDW
2 stops11h 37m
Delta
Mon 3/301:10 pm
MDW
- FCA
2 stops11h 31m
Delta
Deal found 2/11![Delta logo]()
$854
This Delta deal was found by Cheapflights users on 2/11. 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 3/55:00 am
FCA
- MDW
2 stops11h 37m
Delta
Sun 3/81:10 pm
MDW
- FCA
2 stops11h 31m
Delta
Deal found 2/11![Delta logo]()
$854
This Delta deal was found by Cheapflights users on 2/10. 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.
Thu 3/265:09 am
FCA
- MDW
2 stops11h 45m
Delta
Mon 3/301:10 pm
MDW
- FCA
2 stops11h 31m
Delta
Deal found 2/10![Delta logo]()
$944
This Delta deal was found by Cheapflights users on 2/11. 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 3/255:09 am
FCA
- MDW
2 stops11h 45m
Delta
Mon 3/301:10 pm
MDW
- FCA
2 stops11h 31m
Delta
Deal found 2/11![Delta logo]()
$1,137
Last-minute flights from Kalispell to IllinoisDiscover last-minute flight deals from Kalispell to Illinois. Data last updated February 13, 2026 and is based on user searches.
Discover last-minute flight deals from Kalispell to Illinois. Data last updated February 13, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 2/10. 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 2/255:00 am
FCA
- ORD
1 stop6h 19m
Delta
Sun 3/16:45 pm
ORD
- FCA
1 stop6h 05m
Delta
Deal found 2/10![Delta logo]()
$434
This United Airlines deal was found by Cheapflights users on 2/12. 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 2/256:00 am
FCA
- STL
1 stop6h 14m
United Airlines
Sat 2/288:17 am
STL
- FCA
2 stops15h 31m
United Airlines
Deal found 2/12![United Airlines logo]()
$515
This Delta deal was found by Cheapflights users on 2/12. 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 2/2712:20 pm
FCA
- ORD
1 stop8h 32m
Delta
Tue 3/36:45 pm
ORD
- FCA
1 stop6h 04m
Delta
Deal found 2/12![Delta logo]()
$444
This Delta deal was found by Cheapflights users on 2/10. 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.
Thu 3/55:00 am
FCA
- ORD
1 stop6h 19m
Delta
Mon 3/306:15 am
ORD
- FCA
1 stop8h 13m
Delta
Deal found 2/10![Delta logo]()
$279
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Thu 3/52:41 pm
FCA
- STL
1 stop7h 53m
United Airlines
Fri 3/611:25 am
STL
- FCA
2 stops12h 27m
United Airlines
Deal found 2/12![United Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 2/12. 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.
Thu 3/55:00 am
FCA
- ORD
1 stop6h 19m
Delta
Tue 3/316:15 am
ORD
- FCA
1 stop8h 13m
Delta
Deal found 2/12![Delta logo]()
$380
This Alaska Airlines deal was found by Cheapflights users on 2/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:53 pm
FCA
- ORD
1 stop15h 08m
Alaska Airlines
Sun 3/82:07 pm
ORD
- FCA
1 stop24h 06m
Alaska Airlines
Deal found 2/11![Alaska Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 2/11. 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 3/175:56 pm
FCA
- STL
1 stop5h 25m
Delta
Wed 3/186:29 am
STL
- FCA
1 stop7h 59m
Delta
Deal found 2/11![Delta logo]()
$482
This Alaska Airlines deal was found by Cheapflights users on 2/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1712:52 pm
FCA
- STL
2 stops10h 06m
Alaska Airlines
Wed 3/187:00 am
STL
- FCA
1 stop13h 46m
Alaska Airlines
Deal found 2/11![Alaska Airlines logo]()
$539
This Delta deal was found by Cheapflights users on 2/12. 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.
Thu 3/265:09 am
FCA
- ORD
1 stop6h 09m
Delta
Mon 3/306:15 am
ORD
- FCA
1 stop8h 13m
Delta
Deal found 2/12![Delta logo]()
$269
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Thu 3/262:41 pm
FCA
- ORD
1 stop7h 14m
United Airlines
Mon 3/308:40 am
ORD
- FCA
Nonstop4h 14m
United Airlines
Deal found 2/11![United Airlines logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Fri 3/276:05 am
FCA
- ORD
1 stop8h 09m
Hawaiian Airlines
Thu 4/23:22 pm
ORD
- FCA
1 stop9h 25m
Hawaiian Airlines
Deal found 2/11![Hawaiian Airlines logo]()
$437
One-way flights from Kalispell to IllinoisSearch for one-way flight options from Kalispell to Illinois. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
Search for one-way flight options from Kalispell to Illinois. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Thu 6/1112:35 pm
FCA
- STL
1 stop7h 36m
United Airlines
Deal found 2/12![United Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:33 pm
FCA
- ORD
1 stop17h 14m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$132
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/128:26 pm
FCA
- ORD
1 stop9h 13m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$135
This Expedia deal was found by Cheapflights users on 2/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/97:53 pm
FCA
- ORD
1 stop17h 20m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/912:33 pm
FCA
- ORD
1 stop22h 17m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1012:33 pm
FCA
- ORD
1 stop17h 14m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$154
This Trip.com deal was found by Cheapflights users on 2/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1112:51 pm
FCA
- ORD
1 stop8h 41m
Alaska Airlines
Deal found 2/12![Alaska Airlines logo]()
$169
This Alaska Airlines deal was found by Cheapflights users on 2/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:35 am
FCA
- ORD
1 stop7h 21m
Alaska Airlines
Deal found 2/11![Alaska Airlines logo]()
$175
This Alaska Airlines deal was found by Cheapflights users on 2/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/95:40 pm
FCA
- ORD
1 stop11h 40m
Alaska Airlines
Deal found 2/11![Alaska Airlines logo]()
$180
This Delta deal was found by Cheapflights users on 2/12. 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.
Wed 6/176:59 am
FCA
- MDW
1 stop5h 08m
Delta
Deal found 2/12![Delta logo]()
$230
This Delta deal was found by Cheapflights users on 2/12. 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.
Thu 6/186:59 am
FCA
- MDW
1 stop5h 08m
Delta
Deal found 2/12![Delta logo]()
$246
This Delta deal was found by Cheapflights users on 2/11. 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 2/243:20 pm
FCA
- STL
1 stop7h 03m
Delta
Deal found 2/11![Delta logo]()
$395
Find flight deals from Kalispell to Illinois
Keep the following information in mind while searching for Kalispell to Illinois flight deals. Data was last updated February 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $249 (United Airlines) |
One-way from | $129 (United Airlines) |
Popular in | February |
Cheapest in | October |
Average price | $654 |
Good round-trip deal | $510 or less |
Good one-way deal | $263 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Kalispell 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 February 13, 2026.
Use the filters below to find and compare flights from Kalispell to Illinois that are best for you.
Fly from
Kalispell
Fly to
Illinois
Route
Depart
Return
Price
KalispellChicago
FCA - ORD
FCAORD
Kalispell Glacier Park
Fri 5/22
12:35 pm-5:03 pm
Nonstop3h 28m
Chicago O'Hare Intl
Sun 5/24
8:50 am-11:41 am
Nonstop3h 51m
$249
KalispellSt. Louis
FCA - STL
FCASTL
Kalispell Glacier Park
Fri 4/10
1:52 pm-11:59 pm
1 stop9h 07m
Lambert-St Louis
Wed 4/15
7:00 am-7:46 pm
1 stop13h 46m
$257
KalispellChicago
FCA - ORD
FCAORD
Kalispell Glacier Park
Thu 3/26
5:09 am-12:18 pm
1 stop6h 09m
Chicago O'Hare Intl
Mon 3/30
6:15 am-1:28 pm
1 stop8h 13m
$269
KalispellChicago
FCA - ORD
FCAORD
Kalispell Glacier Park
Sat 5/23
12:24 pm-9:50 pm
1 stop8h 26m
Chicago O'Hare Intl
Mon 5/25
6:30 am-1:33 pm
1 stop8h 03m
$279
KalispellChicago
FCA - ORD
FCAORD
Kalispell Glacier Park
Thu 3/5
5:00 am-12:19 pm
1 stop6h 19m
Chicago O'Hare Intl
Mon 3/30
6:15 am-1:28 pm
1 stop8h 13m
$279
KalispellChicago
FCA - ORD
FCAORD
Kalispell Glacier Park
Sat 5/23
1:26 pm-6:04 pm
Nonstop3h 38m
Chicago O'Hare Intl
Tue 5/26
9:45 am-12:35 pm
Nonstop3h 50m
$329
KalispellChicago
FCA - ORD
FCAORD
Kalispell Glacier Park
Sat 5/23
12:35 pm-5:03 pm
Nonstop3h 28m
Chicago O'Hare Intl
Mon 5/25
8:50 am-11:41 am
Nonstop3h 51m
$329
KalispellChicago
FCA - ORD
FCAORD
Kalispell Glacier Park
Thu 4/2
2:33 pm-11:28 pm
1 stop7h 55m
Chicago O'Hare Intl
Mon 4/6
2:35 pm-9:27 pm
1 stop7h 52m
$330
KalispellSt. Louis
FCA - STL
FCASTL
Kalispell Glacier Park
Thu 3/5
2:41 pm-11:34 pm
1 stop7h 53m
Lambert-St Louis
Fri 3/6
11:25 am-10:52 pm
2 stops12h 27m
$373
KalispellChicago
FCA - MDW
FCAMDW
Kalispell Glacier Park
Fri 5/8
5:13 am-6:14 pm
2 stops12h 01m
Chicago Midway
Mon 5/11
9:23 am-1:33 pm
1 stop5h 10m
$494
Showing 1-10 of 41 results
Best time to book a flight from Kalispell to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Kalispell with our price prediction graph.
FCA-ORD
FCA-STL
FCA-MLI
FCA-MDW
FCA-PIA
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 Kalispell to Illinois
FCA-USIL
FCA-ORD
FCA-STL
FCA-MLI
FCA-MDW
What is the cheapest month to book a flight from Kalispell to Illinois?
Currently, August is the cheapest month in which you can book a flight from Kalispell to Illinois (average of $191). Flying from Kalispell to Illinois in April is currently the most expensive (average of $325). 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 FCA to IL?
Find hourly flight availability from Kalispell 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 February 13, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kalispell to Illinois as you normally would.
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 February 13, 2026.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Kalispell to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Crew
8.5
Overall
7.9
Comfort
7.9
Boarding
8.1
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Crew
8.5
Overall
7.9
Comfort
7.9
Boarding
8.1
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Crew
8.5
Overall
7.9
Comfort
7.9
Boarding
8.1
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Crew
8.5
Overall
7.9
Comfort
7.9
Boarding
8.1
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Kalispell 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 Kalispell to Illinois
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Complete your trip
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Kalispell and Illinois flights
Browse other Kalispell and Illinois flight options. Last updated on February 13, 2026.
Popular flight searches
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Kalispell to Illinois flights
Consider these flights traveling from Kalispell to Illinois.
Top 3 airlines flying from Kalispell to Illinois
Discover the top 3 airlines that operate flights from Kalispell 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 February 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$191 | Average$334 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$298 | Average$495 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$308 | Average$417 | FlexibilityNo cancel fee | On-timeN/A |