$168+ Cheap flights from Idaho to Kalispell (FCA)
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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — FCA
May 10 — May 171
Round-trip
1 adult, Economy
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Find cheap flights from Idaho to Kalispell with Cheapflights
1. Tell us where you want to go
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 Idaho to KalispellExplore the most affordable flight options available from Idaho to Kalispell. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2026.
Explore the most affordable flight options available from Idaho to Kalispell. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2026.
This Delta deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 5/266:41 pm
BOI
- FCA
1 stop4h 33m
Delta
Sat 5/305:13 am
FCA
- BOI
1 stop4h 19m
Delta
Deal found 4/8![Delta logo]()
$335
This Delta deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 5/86:41 pm
BOI
- FCA
1 stop4h 33m
Delta
Mon 5/115:13 am
FCA
- BOI
1 stop6h 43m
Delta
Deal found 4/7![Delta logo]()
$355
This Alaska Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 5/318:38 pm
GEG
- FCA
1 stop13h 13m
Alaska Airlines
Tue 6/26:15 am
FCA
- GEG
1 stop6h 27m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$364
This Alaska Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 5/196:35 am
BOI
- FCA
1 stop4h 16m
Alaska Airlines
Sat 5/2311:33 am
FCA
- BOI
1 stop4h 01m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 4/9. 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.
Tue 5/264:19 pm
BOI
- FCA
1 stop7h 39m
Alaska Airlines
Sat 5/304:14 pm
FCA
- BOI
2 stops7h 44m
Alaska Airlines
Deal found 4/9![Alaska Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 6/312:55 pm
BOI
- FCA
1 stop4h 32m
Delta
Sun 6/75:19 am
FCA
- BOI
1 stop4h 13m
Delta
Deal found 4/7![Delta logo]()
$387
This Alaska Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 5/158:28 pm
BOI
- FCA
1 stop20h 32m
Alaska Airlines
Sun 5/244:14 pm
FCA
- BOI
1 stop7h 44m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$398
This Alaska Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 5/34:38 pm
BOI
- FCA
1 stop19h 25m
Alaska Airlines
Sun 5/1012:43 pm
FCA
- BOI
1 stop11h 16m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$418
This Expedia deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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.
Wed 6/36:00 am
GEG
- FCA
1 stop3h 51m
Alaska Airlines
Sun 6/76:15 am
FCA
- GEG
1 stop6h 27m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$418
This Alaska Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 5/75:00 am
GEG
- FCA
1 stop6h 03m
Alaska Airlines
Thu 5/145:40 pm
FCA
- GEG
1 stop5h 56m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$428
This Alaska Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 5/157:25 pm
GEG
- FCA
1 stop20h 35m
Alaska Airlines
Sun 5/175:40 pm
FCA
- GEG
1 stop4h 38m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$453
This Alaska Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 11/139:45 am
GEG
- FCA
1 stop4h 50m
Alaska Airlines
Tue 11/172:10 pm
FCA
- GEG
1 stop5h 41m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$465
Best flights from Idaho to KalispellDiscover carefully curated flight deals from Idaho to Kalispell that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 10, 2026.
Discover carefully curated flight deals from Idaho to Kalispell that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 10, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 5/196:35 am
BOI
- FCA
1 stop4h 16m
Alaska Airlines
Sat 5/2311:33 am
FCA
- BOI
1 stop4h 01m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 5/158:28 pm
BOI
- FCA
1 stop20h 32m
Alaska Airlines
Sun 5/244:14 pm
FCA
- BOI
1 stop7h 44m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$398
This Alaska Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 5/268:28 pm
BOI
- FCA
2 stops14h 23m
Alaska Airlines
Sat 5/304:14 pm
FCA
- BOI
2 stops7h 44m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$428
This Alaska Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 5/315:00 am
GEG
- FCA
1 stop4h 51m
Alaska Airlines
Tue 6/26:15 am
FCA
- GEG
2 stops9h 25m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$433
This Alaska Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 5/77:41 pm
GEG
- FCA
1 stop15h 22m
Alaska Airlines
Thu 5/145:40 pm
FCA
- GEG
1 stop20h 24m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$448
This Alaska Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 5/157:25 pm
GEG
- FCA
1 stop20h 35m
Alaska Airlines
Sun 5/174:14 pm
FCA
- GEG
2 stops23h 44m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$517
This Alaska Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 6/36:00 am
GEG
- FCA
1 stop3h 51m
Alaska Airlines
Sun 6/76:15 am
FCA
- GEG
2 stops13h 16m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$532
This Alaska Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 9/173:05 pm
GEG
- FCA
2 stops6h 51m
Alaska Airlines
Tue 9/228:21 pm
FCA
- GEG
1 stop4h 38m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$579
This Alaska Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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.
Mon 4/209:25 am
GEG
- FCA
1 stop9h 21m
Alaska Airlines
Fri 4/247:28 pm
FCA
- GEG
1 stop5h 27m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$587
This Alaska Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 4/228:34 am
GEG
- FCA
2 stops9h 14m
Alaska Airlines
Sun 4/266:35 am
FCA
- GEG
1 stop3h 25m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$710
Last-minute flights from Idaho to KalispellDiscover last-minute flight deals from Idaho to Kalispell. Data last updated April 10, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Kalispell. Data last updated April 10, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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.
Mon 4/209:25 am
GEG
- FCA
1 stop9h 21m
Alaska Airlines
Fri 4/247:28 pm
FCA
- GEG
1 stop5h 27m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$587
This Alaska Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 4/228:34 am
GEG
- FCA
2 stops9h 14m
Alaska Airlines
Sun 4/266:35 am
FCA
- GEG
1 stop3h 25m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$710
This Alaska Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 5/34:38 pm
BOI
- FCA
1 stop19h 25m
Alaska Airlines
Sun 5/1012:43 pm
FCA
- BOI
1 stop11h 16m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$418
This Alaska Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 5/75:00 am
GEG
- FCA
1 stop6h 03m
Alaska Airlines
Thu 5/145:40 pm
FCA
- GEG
1 stop5h 56m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$428
This Delta deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 5/86:41 pm
BOI
- FCA
1 stop4h 33m
Delta
Mon 5/115:13 am
FCA
- BOI
1 stop6h 43m
Delta
Deal found 4/7![Delta logo]()
$355
This Alaska Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 5/158:28 pm
BOI
- FCA
1 stop20h 32m
Alaska Airlines
Sun 5/244:14 pm
FCA
- BOI
1 stop7h 44m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$398
This Alaska Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 5/157:25 pm
GEG
- FCA
1 stop20h 35m
Alaska Airlines
Sun 5/175:40 pm
FCA
- GEG
1 stop4h 38m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$453
This Alaska Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” 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 5/196:35 am
BOI
- FCA
1 stop4h 16m
Alaska Airlines
Sat 5/2311:33 am
FCA
- BOI
1 stop4h 01m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 5/266:41 pm
BOI
- FCA
1 stop4h 33m
Delta
Sat 5/305:13 am
FCA
- BOI
1 stop4h 19m
Delta
Deal found 4/8![Delta logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 4/9. 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.
Tue 5/264:19 pm
BOI
- FCA
1 stop7h 39m
Alaska Airlines
Sat 5/304:14 pm
FCA
- BOI
2 stops7h 44m
Alaska Airlines
Deal found 4/9![Alaska Airlines logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 5/318:38 pm
GEG
- FCA
1 stop13h 13m
Alaska Airlines
Tue 6/26:15 am
FCA
- GEG
1 stop6h 27m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$364
One-way flights from Idaho to KalispellSearch for one-way flight options from Idaho to Kalispell. Find affordable one-way fares based on user searches. Data last updated April 10, 2026.
Search for one-way flight options from Idaho to Kalispell. Find affordable one-way fares based on user searches. Data last updated April 10, 2026.
This Delta deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 5/66:00 am
BOI
- FCA
1 stop5h 23m
Delta
Deal found 4/5![Delta logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 5/33:13 pm
BOI
- FCA
2 stops21h 30m
Allegiant Air
Deal found 4/5![Allegiant Air logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/93:14 pm
BOI
- FCA
2 stops18h 26m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 8/133:14 pm
BOI
- FCA
2 stops29h 05m
Allegiant Air
Deal found 4/8![Allegiant Air logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 7/261:04 pm
BOI
- FCA
2 stops20h 36m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/152:14 pm
BOI
- FCA
2 stops43h 26m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” 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 9/85:49 pm
BOI
- FCA
1 stop5h 07m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$241
This Delta deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” 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 8/96:00 am
BOI
- FCA
1 stop5h 23m
Delta
Deal found 4/8![Delta logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 7/233:07 pm
BOI
- FCA
2 stops29h 10m
Allegiant Air
Deal found 4/5![Allegiant Air logo]()
$253
This Delta deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 5/36:00 am
BOI
- FCA
1 stop5h 23m
Delta
Deal found 4/5![Delta logo]()
$258
This Delta deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/125:45 pm
BOI
- FCA
1 stop5h 17m
Delta
Deal found 4/8![Delta logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 7/1512:28 pm
GEG
- FCA
3 stops54h 49m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$542
Find flight deals from Idaho to Kalispell
Keep the following information in mind while searching for Idaho to Kalispell flight deals. Data was last updated April 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $335 (Delta) |
One-way from | $168 (Delta) |
Popular in | October |
Cheapest in | November |
Average price | $320 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho to Kalispell 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 10, 2026.
Use the filters below to find and compare flights from Idaho to Kalispell that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BoiseKalispell
BOI - FCA
BOIFCA
Boise Air Term. Gowen Fld
Tue 5/19
6:35 am-10:51 am
1 stop4h 16m
Kalispell Glacier Park
Sat 5/23
11:33 am-3:34 pm
1 stop4h 01m
$367
BoiseKalispell
BOI - FCA
BOIFCA
Boise Air Term. Gowen Fld
Fri 5/15
8:28 pm-5:00 pm
1 stop20h 32m
Kalispell Glacier Park
Sun 5/24
4:14 pm-11:58 pm
1 stop7h 44m
$398
BoiseKalispell
BOI - FCA
BOIFCA
Boise Air Term. Gowen Fld
Tue 5/26
8:28 pm-10:51 am
2 stops14h 23m
Kalispell Glacier Park
Sat 5/30
4:14 pm-11:58 pm
2 stops7h 44m
$428
SpokaneKalispell
GEG - FCA
GEGFCA
Spokane
Sun 5/31
5:00 am-10:51 am
1 stop4h 51m
Kalispell Glacier Park
Tue 6/2
6:15 am-2:40 pm
2 stops9h 25m
$433
SpokaneKalispell
GEG - FCA
GEGFCA
Spokane
Thu 5/7
7:41 pm-12:03 pm
1 stop15h 22m
Kalispell Glacier Park
Thu 5/14
5:40 pm-1:04 pm
1 stop20h 24m
$448
SpokaneKalispell
GEG - FCA
GEGFCA
Spokane
Fri 5/15
7:25 pm-5:00 pm
1 stop20h 35m
Kalispell Glacier Park
Sun 5/17
4:14 pm-2:58 pm
2 stops23h 44m
$517
SpokaneKalispell
GEG - FCA
GEGFCA
Spokane
Wed 6/3
6:00 am-10:51 am
1 stop3h 51m
Kalispell Glacier Park
Sun 6/7
6:15 am-6:31 pm
2 stops13h 16m
$532
SpokaneKalispell
GEG - FCA
GEGFCA
Spokane
Thu 9/17
3:05 pm-10:56 pm
2 stops6h 51m
Kalispell Glacier Park
Tue 9/22
8:21 pm-11:59 pm
1 stop4h 38m
$579
SpokaneKalispell
GEG - FCA
GEGFCA
Spokane
Mon 4/20
9:25 am-7:46 pm
1 stop9h 21m
Kalispell Glacier Park
Fri 4/24
7:28 pm-11:55 pm
1 stop5h 27m
$587
SpokaneKalispell
GEG - FCA
GEGFCA
Spokane
Wed 4/22
8:34 am-6:48 pm
2 stops9h 14m
Kalispell Glacier Park
Sun 4/26
6:35 am-9:00 am
1 stop3h 25m
$710
Showing 1-10 of 21 resultsSorted by cheapest first
Best time to book a flight from Idaho to Kalispell
Have a flexible travel schedule? Discover the best time to fly to Kalispell from Idaho with our price prediction graph.
BOI-FCA
GEG-FCA
Estimated round-trip price
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Everything you need to know about your flight from Idaho to Kalispell
USID-FCA
BOI-FCA
GEG-FCA
What is the cheapest month to book a flight from Idaho to Kalispell?
Currently, September is the cheapest month in which you can book a flight from Idaho to Kalispell (average of $169). Flying from Idaho to Kalispell in December is currently the most expensive (average of $423). 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.
How much does it cost to fly round-trip from Idaho to Kalispell?
Related info for your journey
Find useful and relevant information for your journey from Idaho to Kalispell. 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 Kalispell?
Book flights to Kalispell if you plan to visit one of these locationsColumbia Falls
East Glacier Park
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Alternative routes for Idaho to Kalispell
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Other flights to Kalispell
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Idaho and Kalispell flights
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Idaho to Kalispell flights
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Top 2 airlines flying from Idaho to Kalispell
Discover the top 2 airlines that operate flights from Idaho to Kalispell. 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 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$119 | Average$374 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$280 | Average$566 | FlexibilityNo cancel fee | On-time75% |