$144+ Cheap flights from Idaho to Montana
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BZN
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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Find cheap flights from Idaho to Montana 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 Idaho to MontanaExplore the most affordable flight options available from Idaho to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
Explore the most affordable flight options available from Idaho to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
This Southwest deal was found by Cheapflights users on 9/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/163:45 pm -
1 stop5h 45m
Wed 11/188:05 am -
1 stop7h 05m
Deal found 9/9![Southwest logo]()
$217
This Delta deal was found by Cheapflights users on 9/10. 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 10/236:49 pm -
1 stop5h 38m
Mon 10/265:30 am -
1 stop5h 12m
Deal found 9/10![Delta logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 10/234:18 pm -
1 stop21h 57m
Mon 10/262:55 pm -
Nonstop1h 12m
Deal found 9/7![Alaska Airlines logo]()
$230
This Delta deal was found by Cheapflights users on 9/10. 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 10/166:49 pm -
1 stop5h 38m
Sun 10/185:30 am -
1 stop5h 12m
Deal found 9/10![Delta logo]()
$247
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/104:05 pm -
1 stop4h 45m
Sat 10/1711:25 am -
2 stops8h 25m
Deal found 9/10![Southwest logo]()
$262
This Delta deal was found by Cheapflights users on 9/7. 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.
Mon 10/55:49 pm -
1 stop4h 00m
Mon 10/128:25 am -
1 stop4h 53m
Deal found 9/7![Delta logo]()
$263
This Priceline deal was found by Cheapflights users on 9/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/312:08 pm -
Nonstop1h 09m
Mon 1/42:52 pm -
Nonstop1h 17m
Deal found 9/7![Alaska Airlines logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 10/162:06 pm -
1 stop19h 34m
Sun 10/182:55 pm -
Nonstop1h 12m
Deal found 9/10![Alaska Airlines logo]()
$270
This Priceline deal was found by Cheapflights users on 9/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/82:09 pm -
Nonstop1h 06m
Thu 10/152:55 pm -
Nonstop1h 12m
Deal found 9/8![Alaska Airlines logo]()
$272
This Delta deal was found by Cheapflights users on 9/10. 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 10/96:49 pm -
1 stop5h 38m
Sun 10/115:30 am -
1 stop5h 12m
Deal found 9/10![Delta logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 10/72:06 pm -
1 stop4h 13m
Tue 10/1310:20 am -
1 stop23h 36m
Deal found 9/7![Alaska Airlines logo]()
$293
This Booking.com deal was found by Cheapflights users on 9/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:18 pm -
1 stop24h 26m
Tue 11/34:41 pm -
1 stop19h 44m
Deal found 9/9![Alaska Airlines logo]()
$313
Best flights from Idaho to MontanaDiscover carefully curated flight deals from Idaho to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Idaho to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
This Delta deal was found by Cheapflights users on 9/7. 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 10/236:49 pm -
1 stop5h 38m
Mon 10/261:12 pm -
1 stop4h 47m
Deal found 9/7![Delta logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 10/234:18 pm -
1 stop21h 57m
Mon 10/262:55 pm -
Nonstop1h 12m
Deal found 9/10![Alaska Airlines logo]()
$270
This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/265:00 am -
2 stops9h 40m
Sun 2/2812:45 pm -
2 stops11h 55m
Deal found 9/8![Southwest logo]()
$380
This United Airlines deal was found by Cheapflights users on 9/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:00 am -
1 stop4h 46m
Wed 10/145:00 am -
1 stop4h 34m
Deal found 9/7![United Airlines logo]()
$395
This Delta deal was found by Cheapflights users on 9/7. 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.
Mon 10/55:49 pm -
1 stop4h 00m
Mon 10/128:25 am -
1 stop4h 53m
Deal found 9/7![Delta logo]()
$263
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 1/308:12 am -
1 stop8h 11m
Wed 2/35:00 pm -
1 stop5h 22m
Deal found 9/10![Alaska Airlines logo]()
$313
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 11/202:12 pm -
Nonstop1h 07m
Sun 11/222:59 pm -
Nonstop1h 15m
Deal found 9/10![Alaska Airlines logo]()
$322
This Southwest deal was found by Cheapflights users on 9/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:30 am -
2 stops9h 05m
Mon 10/194:15 pm -
2 stops9h 20m
Deal found 9/7![Southwest logo]()
$388
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 11/1412:41 pm -
1 stop9h 02m
Wed 11/187:18 am -
1 stop5h 12m
Deal found 9/9![Alaska Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 9/10. 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.
Sat 10/243:36 pm -
2 stops7h 15m
Tue 10/271:14 pm -
2 stops8h 54m
Deal found 9/10![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:00 am -
1 stop5h 29m
Fri 10/307:00 am -
1 stop6h 48m
Deal found 9/8![United Airlines logo]()
$425
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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.
Thu 11/56:21 pm -
1 stop22h 11m
Sun 11/85:12 pm -
1 stop24h 51m
Deal found 9/6![Alaska Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/81:17 pm -
1 stop4h 24m
Thu 12/101:00 pm -
1 stop4h 53m
Deal found 9/10![Delta logo]()
$385
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:00 am -
1 stop7h 29m
Sat 10/3110:30 am -
1 stop5h 55m
Deal found 9/8![United Airlines logo]()
$425
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 11/76:03 am -
1 stop9h 16m
Tue 11/104:59 pm -
1 stop22h 23m
Deal found 9/9![Alaska Airlines logo]()
$352
This Delta deal was found by Cheapflights users on 9/10. 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 12/245:00 am -
1 stop5h 19m
Mon 12/287:26 pm -
1 stop5h 48m
Deal found 9/10![Delta logo]()
$390
This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:30 pm -
2 stops7h 50m
Sun 10/45:00 am -
2 stops9h 30m
Deal found 9/8![Southwest logo]()
$477
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/62:44 pm -
1 stop6h 26m
Tue 10/135:00 am -
1 stop4h 34m
Deal found 9/8![United Airlines logo]()
$445
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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.
Mon 11/94:39 pm -
1 stop16h 00m
Wed 11/1110:27 am -
1 stop26h 03m
Deal found 9/6![Alaska Airlines logo]()
$353
This Delta deal was found by Cheapflights users on 9/8. 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.
Fri 10/96:49 pm -
1 stop3h 36m
Wed 10/145:20 am -
1 stop5h 22m
Deal found 9/8![Delta logo]()
$405
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 11/109:03 am -
1 stop4h 07m
Wed 11/113:54 pm -
2 stops7h 55m
Deal found 9/6![Alaska Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 9/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:10 am -
2 stops11h 39m
Sun 11/15:20 am -
1 stop4h 47m
Deal found 9/6![Delta logo]()
$424
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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.
Mon 11/232:12 pm -
Nonstop1h 07m
Sun 11/292:59 pm -
Nonstop1h 15m
Deal found 9/6![Alaska Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:00 pm -
1 stop4h 20m
Fri 11/275:35 am -
1 stop4h 31m
Deal found 9/9![Delta logo]()
$432
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 11/76:03 am -
1 stop8h 28m
Wed 11/114:21 pm -
1 stop20h 09m
Deal found 9/10![Alaska Airlines logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 11/144:16 pm -
1 stop5h 02m
Wed 11/187:03 am -
1 stop5h 22m
Deal found 9/10![Alaska Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 9/8. 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.
Sat 10/247:05 am -
2 stops9h 44m
Sat 10/3112:58 pm -
2 stops7h 09m
Deal found 9/8![Delta logo]()
$473
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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.
Wed 10/76:43 am -
1 stop8h 07m
Sat 10/107:03 am -
1 stop26h 53m
Deal found 9/6![Alaska Airlines logo]()
$363
This Priceline deal was found by Cheapflights users on 9/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:04 pm -
1 stop4h 00m
Sun 10/253:49 pm -
1 stop8h 10m
Deal found 9/10![Alaska Airlines logo]()
$368
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 12/46:00 am -
1 stop17h 59m
Sat 12/56:40 am -
1 stop8h 25m
Deal found 9/9![Alaska Airlines logo]()
$368
Last-minute flights from Idaho to MontanaDiscover last-minute flight deals from Idaho to Montana. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Montana. Data last updated September 11, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 9/8. 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.
Tue 9/294:20 pm -
1 stop6h 39m
Mon 10/52:55 pm -
Nonstop1h 12m
Deal found 9/8![Alaska Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 9/7. 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.
Mon 10/55:49 pm -
1 stop4h 00m
Mon 10/128:25 am -
1 stop4h 53m
Deal found 9/7![Delta logo]()
$263
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 10/72:06 pm -
1 stop4h 13m
Tue 10/1310:20 am -
1 stop23h 36m
Deal found 9/7![Alaska Airlines logo]()
$293
This Priceline deal was found by Cheapflights users on 9/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/82:09 pm -
Nonstop1h 06m
Thu 10/152:55 pm -
Nonstop1h 12m
Deal found 9/8![Alaska Airlines logo]()
$272
This Delta deal was found by Cheapflights users on 9/10. 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 10/96:49 pm -
1 stop5h 38m
Sun 10/115:30 am -
1 stop5h 12m
Deal found 9/10![Delta logo]()
$277
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/104:05 pm -
1 stop4h 45m
Sat 10/1711:25 am -
2 stops8h 25m
Deal found 9/10![Southwest logo]()
$262
This Delta deal was found by Cheapflights users on 9/10. 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 10/166:49 pm -
1 stop5h 38m
Sun 10/185:30 am -
1 stop5h 12m
Deal found 9/10![Delta logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 10/162:06 pm -
1 stop19h 34m
Sun 10/182:55 pm -
Nonstop1h 12m
Deal found 9/10![Alaska Airlines logo]()
$270
This Booking.com deal was found by Cheapflights users on 9/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:43 am -
1 stop4h 42m
Sun 10/187:41 am -
1 stop16h 18m
Deal found 9/7![Alaska Airlines logo]()
$338
This Delta deal was found by Cheapflights users on 9/10. 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 10/236:49 pm -
1 stop5h 38m
Mon 10/265:30 am -
1 stop5h 12m
Deal found 9/10![Delta logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 10/234:18 pm -
1 stop21h 57m
Mon 10/262:55 pm -
Nonstop1h 12m
Deal found 9/7![Alaska Airlines logo]()
$230
This Booking.com deal was found by Cheapflights users on 9/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:18 pm -
1 stop24h 26m
Tue 11/34:41 pm -
1 stop19h 44m
Deal found 9/9![Alaska Airlines logo]()
$313
One-way flights from Idaho to MontanaSearch for one-way flight options from Idaho to Montana. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
Search for one-way flight options from Idaho to Montana. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This Delta deal was found by Cheapflights users on 9/10. 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.
Sun 10/118:49 am -
1 stop3h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Delta logo]()
$144
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:25 pm -
2 stops9h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Southwest logo]()
$154
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:00 am -
1 stop6h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$162
This Priceline deal was found by Cheapflights users on 9/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/202:12 pm -
Nonstop1h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Alaska Airlines logo]()
$164
This Delta deal was found by Cheapflights users on 9/10. 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.
Sun 10/255:10 am -
2 stops11h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Delta logo]()
$167
This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:55 am -
2 stops10h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Southwest logo]()
$169
This Delta deal was found by Cheapflights users on 9/10. 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 12/246:26 pm -
1 stop4h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Delta logo]()
$174
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:05 pm -
2 stops6h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Southwest logo]()
$179
This Delta deal was found by Cheapflights users on 9/11. 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 11/206:45 pm -
1 stop5h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Delta logo]()
$184
This Priceline deal was found by Cheapflights users on 9/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:25 am -
1 stop6h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Alaska Airlines logo]()
$193
This Southwest deal was found by Cheapflights users on 9/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/193:45 pm -
1 stop5h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Southwest logo]()
$194
This Trip.com deal was found by Cheapflights users on 9/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1612:42 pm -
1 stop5h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Alaska Airlines logo]()
$197
Find flight deals from Idaho to Montana
Keep the following information in mind while searching for Idaho to Montana flight deals. Data was last updated September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $217 (Southwest) |
One-way from | $144 (Delta) |
Popular in | August |
Cheapest in | November |
Average price | $379 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho to Montana 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 7,457,451 searches. Data last updated September 11, 2026.
Use the filters below to find and compare flights from Idaho to Montana that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseBozeman
BOI Boise Air Term. Gowen Fld - BZN Bozeman Gallatin Field
BOIBZN
Boise Air Term. Gowen Fld
Sat 10/17
8:49 am-12:07 pm
1 stop3h 18m
Bozeman Gallatin Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$144
BoiseBozeman
BOI Boise Air Term. Gowen Fld - BZN Bozeman Gallatin Field
BOIBZN
Boise Air Term. Gowen Fld
Sun 10/18
6:49 pm-12:27 am
1 stop5h 38m
Bozeman Gallatin Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$144
SpokaneBozeman
GEG Spokane - BZN Bozeman Gallatin Field
GEGBZN
Spokane
Fri 11/27
7:00 am-2:28 pm
1 stop6h 28m
Bozeman Gallatin Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$162
SpokaneBozeman
GEG Spokane - BZN Bozeman Gallatin Field
GEGBZN
Spokane
Sun 10/25
5:10 am-10:37 pm
1 stop16h 27m
Bozeman Gallatin Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$167
BoiseBozeman
BOI Boise Air Term. Gowen Fld - BZN Bozeman Gallatin Field
BOIBZN
Boise Air Term. Gowen Fld
Thu 11/19
11:40 am-9:30 pm
2 stops9h 50m
Bozeman Gallatin Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$169
BoiseBozeman
BOI Boise Air Term. Gowen Fld - BZN Bozeman Gallatin Field
BOIBZN
Boise Air Term. Gowen Fld
Tue 10/13
11:55 am-10:10 pm
2 stops10h 15m
Bozeman Gallatin Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$169
BoiseBozeman
BOI Boise Air Term. Gowen Fld - BZN Bozeman Gallatin Field
BOIBZN
Boise Air Term. Gowen Fld
Thu 12/24
1:05 pm-9:30 pm
2 stops8h 25m
Bozeman Gallatin Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$169
BoiseBozeman
BOI Boise Air Term. Gowen Fld - BZN Bozeman Gallatin Field
BOIBZN
Boise Air Term. Gowen Fld
Thu 12/24
6:26 pm-10:33 pm
1 stop4h 07m
Bozeman Gallatin Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$174
BoiseBozeman
BOI Boise Air Term. Gowen Fld - BZN Bozeman Gallatin Field
BOIBZN
Boise Air Term. Gowen Fld
Fri 11/20
6:45 pm-12:19 am
1 stop5h 34m
Bozeman Gallatin Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$184
SpokaneBillings
GEG Spokane - BIL Billings Logan Intl
GEGBIL
Spokane
Fri 10/16
12:42 pm-6:52 pm
1 stop5h 10m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$197
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Idaho to Montana
Have a flexible travel schedule? Discover the best time to fly to Montana from Idaho with our price prediction graph.
BOI-BZN
GEG-BZN
BOI-HLN
BOI-BIL
BOI-MSO
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 Idaho to Montana
USID-USMT
BOI-BZN
GEG-BZN
BOI-HLN
BOI-BIL
What is the cheapest month to book a flight from Idaho to Montana?
Currently, January is the cheapest month in which you can book a flight from Idaho to Montana (average of $146). Flying from Idaho to Montana in September is currently the most expensive (average of $658). 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.
Reviews of airlines servicing Montana
Get insights into the airlines that provide service to Montana. 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 Montana. Reviews last updated September 11, 2026.
See what other customers who have flown with Alaska Airlines and Delta from Idaho to Montana have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Related info for your journey
Find useful and relevant information for your journey from Idaho to Montana. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Idaho to Montana
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Montana by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho to Montana by cabin class
Find flights from Idaho to Montana, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho and Montana flights
Browse other Idaho and Montana flight options. Last updated on September 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Montana
Find the right flight back to Idaho after your stay in Montana
Idaho to Montana flights
Consider these flights traveling from Idaho to Montana.
Top 2 airlines flying from Idaho to Montana
Discover the top 2 airlines that operate flights from Idaho to Montana. 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 7,457,451 searches. Data last updated September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$99 | Average$436 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$108 | Average$397 | FlexibilityNo cancel fee | On-timeN/A |