$129+ 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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BZN
Nov 29 — Dec 61
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 October 30, 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 October 30, 2026.
This SmartFares deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/32:05 pm -
Nonstop1h 08m
Sun 12/62:53 pm -
Nonstop1h 14m
Deal found 10/29![Alaska Airlines logo]()
$177
This Southwest deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/163:45 pm -
1 stop5h 50m
Sat 12/197:15 pm -
1 stop6h 25m
Deal found 10/25![Southwest logo]()
$204
This Priceline deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/102:05 pm -
Nonstop1h 08m
Sun 12/132:53 pm -
Nonstop1h 14m
Deal found 10/26![Alaska Airlines logo]()
$232
This Expedia deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/272:12 pm -
Nonstop1h 07m
Mon 11/307:13 pm -
1 stop4h 46m
Deal found 10/26![Alaska Airlines logo]()
$242
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:45 pm -
1 stop5h 41m
Sun 12/66:32 pm -
1 stop3h 33m
Deal found 10/29![Delta logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/215:00 pm -
1 stop5h 50m
Mon 12/282:53 pm -
Nonstop1h 17m
Deal found 10/28![Alaska Airlines logo]()
$282
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:50 pm -
1 stop7h 05m
Wed 12/211:20 am -
2 stops10h 20m
Deal found 10/28![Southwest logo]()
$299
This Priceline deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:12 pm -
Nonstop1h 07m
Tue 11/242:59 pm -
Nonstop1h 15m
Deal found 10/25![Alaska Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:45 pm -
1 stop5h 34m
Sat 12/266:39 pm -
1 stop3h 26m
Deal found 10/28![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/111:19 pm -
1 stop3h 52m
Sun 11/156:10 pm -
1 stop6h 00m
Deal found 10/27![Delta logo]()
$388
This Priceline deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/158:56 am -
1 stop4h 27m
Tue 12/154:50 pm -
1 stop7h 09m
Deal found 10/26![Alaska Airlines logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/252:00 pm -
1 stop9h 58m
Wed 12/27:01 am -
1 stop5h 20m
Deal found 10/26![Alaska Airlines logo]()
$405
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 October 30, 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 October 30, 2026.
This Southwest deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/911:35 am -
2 stops8h 55m
Wed 1/1311:30 am -
2 stops10h 05m
Deal found 10/26![Southwest logo]()
$292
This Priceline deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:00 pm -
1 stop4h 33m
Tue 11/242:59 pm -
Nonstop1h 15m
Deal found 10/25![Alaska Airlines logo]()
$312
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:45 pm -
1 stop5h 34m
Sun 11/225:20 am -
1 stop5h 22m
Deal found 10/29![Delta logo]()
$373
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/235:22 pm -
1 stop5h 05m
Tue 4/2710:00 am -
1 stop7h 55m
Deal found 10/29![United Airlines logo]()
$498
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:50 pm -
1 stop7h 05m
Wed 12/211:20 am -
2 stops10h 20m
Deal found 10/28![Southwest logo]()
$299
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/215:00 pm -
1 stop5h 50m
Mon 12/282:53 pm -
Nonstop1h 17m
Deal found 10/29![Alaska Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:19 pm -
1 stop3h 52m
Tue 11/176:10 pm -
1 stop6h 04m
Deal found 10/29![Delta logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/128:02 am -
1 stop8h 09m
Sat 12/195:12 pm -
1 stop22h 15m
Deal found 10/29![Alaska Airlines logo]()
$422
This Southwest deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:50 pm -
1 stop7h 05m
Tue 12/111:20 am -
2 stops10h 20m
Deal found 10/27![Southwest logo]()
$427
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/275:10 pm -
1 stop5h 50m
Fri 12/41:19 pm -
1 stop4h 34m
Deal found 10/28![Delta logo]()
$445
This Alaska Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/252:00 pm -
1 stop9h 58m
Wed 12/23:32 pm -
2 stops8h 27m
Deal found 10/26![Alaska Airlines logo]()
$424
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/912:30 pm -
2 stops9h 25m
Thu 11/1211:05 am -
1 stop5h 00m
Deal found 10/28![Southwest logo]()
$442
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/126:00 am -
1 stop6h 30m
Sun 12/131:10 pm -
1 stop4h 43m
Deal found 10/28![Delta logo]()
$445
This Expedia deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/82:05 pm -
1 stop8h 53m
Sat 12/123:32 pm -
1 stop4h 38m
Deal found 10/25![Alaska Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:35 pm -
1 stop4h 20m
Mon 12/285:20 am -
1 stop4h 32m
Deal found 10/28![Delta logo]()
$462
This Alaska Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/249:29 am -
1 stop3h 54m
Wed 4/283:44 pm -
1 stop4h 00m
Deal found 10/26![Alaska Airlines logo]()
$425
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/132:51 pm -
1 stop7h 52m
Tue 11/1710:15 am -
2 stops30h 27m
Deal found 10/29![United Airlines logo]()
$659
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/134:10 pm -
1 stop7h 09m
Tue 12/154:50 pm -
1 stop7h 09m
Deal found 10/29![Alaska Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/912:58 pm -
1 stop4h 39m
Fri 11/136:17 pm -
1 stop3h 54m
Deal found 10/25![Delta logo]()
$519
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:44 pm -
1 stop4h 59m
Sun 11/1510:15 am -
2 stops25h 04m
Deal found 10/27![United Airlines logo]()
$697
This Alaska Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:21 pm -
1 stop4h 31m
Wed 11/113:54 pm -
1 stop4h 12m
Deal found 10/27![Alaska Airlines logo]()
$437
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:58 pm -
1 stop4h 39m
Mon 11/165:11 am -
1 stop6h 57m
Deal found 10/28![Delta logo]()
$519
This Alaska Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Sat 11/282:59 pm -
Nonstop1h 15m
Deal found 10/26![Alaska Airlines logo]()
$437
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1412:56 pm -
1 stop10h 23m
Thu 12/171:59 pm -
1 stop4h 41m
Deal found 10/29![Alaska Airlines logo]()
$445
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/165:45 pm -
1 stop5h 22m
Wed 2/2411:59 am -
1 stop4h 50m
Deal found 10/29![Delta logo]()
$557
This Alaska Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/166:00 pm -
2 stops18h 14m
Wed 2/242:10 pm -
1 stop9h 46m
Deal found 10/28![Alaska Airlines logo]()
$453
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:45 pm -
1 stop3h 41m
Sun 11/157:00 am -
1 stop3h 42m
Deal found 10/25![Delta logo]()
$575
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/57:00 pm -
2 stops18h 22m
Thu 1/74:22 pm -
1 stop3h 55m
Deal found 10/29![Alaska Airlines logo]()
$484
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:45 pm -
1 stop3h 41m
Sat 11/141:07 pm -
1 stop5h 27m
Deal found 10/25![Delta logo]()
$625
This Alaska Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/113:01 pm -
1 stop21h 10m
Fri 1/157:37 pm -
1 stop16h 47m
Deal found 10/27![Alaska Airlines logo]()
$498
Last-minute flights from Idaho to MontanaDiscover last-minute flight deals from Idaho to Montana. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Montana. Data last updated October 30, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/111:19 pm -
1 stop3h 52m
Sun 11/156:10 pm -
1 stop6h 00m
Deal found 10/27![Delta logo]()
$388
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:19 pm -
1 stop3h 52m
Tue 11/176:10 pm -
1 stop6h 04m
Deal found 10/29![Delta logo]()
$427
This Priceline deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:21 pm -
1 stop4h 36m
Mon 11/232:59 pm -
Nonstop1h 15m
Deal found 10/26![Alaska Airlines logo]()
$327
This Priceline deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:12 pm -
Nonstop1h 07m
Tue 11/242:59 pm -
Nonstop1h 15m
Deal found 10/25![Alaska Airlines logo]()
$302
This Priceline deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/242:12 pm -
Nonstop1h 07m
Tue 12/17:14 pm -
1 stop4h 45m
Deal found 10/27![Alaska Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/241:19 pm -
1 stop4h 24m
Tue 12/16:32 pm -
1 stop5h 50m
Deal found 10/27![Delta logo]()
$338
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:45 pm -
1 stop5h 34m
Wed 12/26:32 pm -
1 stop3h 33m
Deal found 10/28![Delta logo]()
$282
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:50 pm -
1 stop7h 05m
Wed 12/211:20 am -
2 stops10h 20m
Deal found 10/28![Southwest logo]()
$299
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:45 pm -
1 stop5h 34m
Sat 12/266:39 pm -
1 stop3h 26m
Deal found 10/28![Delta logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/252:00 pm -
1 stop9h 58m
Wed 12/27:01 am -
1 stop5h 20m
Deal found 10/26![Alaska Airlines logo]()
$405
This Expedia deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/272:12 pm -
Nonstop1h 07m
Mon 11/307:13 pm -
1 stop4h 46m
Deal found 10/26![Alaska Airlines logo]()
$242
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/275:10 pm -
1 stop5h 50m
Fri 12/41:19 pm -
1 stop4h 34m
Deal found 10/28![Delta logo]()
$445
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 October 30, 2026.
Search for one-way flight options from Idaho to Montana. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Priceline deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/22:08 pm -
Nonstop1h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Alaska Airlines logo]()
$129
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:05 pm -
2 stops8h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Southwest logo]()
$148
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:45 pm -
1 stop5h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Delta logo]()
$184
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/173:30 pm -
1 stop7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Southwest logo]()
$189
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/26:15 am -
1 stop5h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Delta logo]()
$207
This Southwest deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:55 pm -
1 stop6h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Southwest logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/243:42 pm -
1 stop24h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Allegiant Air logo]()
$223
This Alaska Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/186:31 am -
1 stop4h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Alaska Airlines logo]()
$223
This Expedia deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/266:31 am -
1 stop8h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Alaska Airlines logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:55 pm -
1 stop21h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/235:33 pm -
1 stop16h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$246
This Southwest deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/83:55 pm -
1 stop6h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Southwest logo]()
$249
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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $177 (SmartFares) |
One-way from | $129 (Priceline) |
Popular in | June |
Cheapest in | January |
Average price | $392 |
Good round-trip deal | $337 or less |
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 October 30, 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 1/2
2:08 pm-3:17 pm
Nonstop1h 09m
Bozeman Gallatin Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$129
BoiseBozeman
BOI Boise Air Term. Gowen Fld - BZN Bozeman Gallatin Field
BOIBZN
Boise Air Term. Gowen Fld
Wed 11/18
1:05 pm-10:30 pm
1 stop9h 25m
Bozeman Gallatin Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$148
BoiseBozeman
BOI Boise Air Term. Gowen Fld - BZN Bozeman Gallatin Field
BOIBZN
Boise Air Term. Gowen Fld
Tue 11/17
11:40 am-9:35 pm
2 stops9h 55m
Bozeman Gallatin Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$194
BoiseBozeman
BOI Boise Air Term. Gowen Fld - BZN Bozeman Gallatin Field
BOIBZN
Boise Air Term. Gowen Fld
Sat 1/2
6:15 am-11:19 am
1 stop5h 04m
Bozeman Gallatin Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$207
BoiseBozeman
BOI Boise Air Term. Gowen Fld - BZN Bozeman Gallatin Field
BOIBZN
Boise Air Term. Gowen Fld
Thu 11/12
3:55 pm-10:50 pm
1 stop6h 55m
Bozeman Gallatin Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$209
Idaho FallsBillings
IDA Idaho Falls Fanning Field - BIL Billings Logan Intl
IDABIL
Idaho Falls Fanning Field
Fri 12/25
5:40 am-12:19 pm
1 stop6h 39m
Billings Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$223
BoiseBillings
BOI Boise Air Term. Gowen Fld - BIL Billings Logan Intl
BOIBIL
Boise Air Term. Gowen Fld
Fri 12/18
6:31 am-11:16 am
1 stop4h 45m
Billings Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$223
BoiseMissoula
BOI Boise Air Term. Gowen Fld - MSO Missoula Johnson-Bell Field
BOIMSO
Boise Air Term. Gowen Fld
Sat 12/26
6:31 am-3:09 pm
1 stop8h 38m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$232
BoiseBillings
BOI Boise Air Term. Gowen Fld - BIL Billings Logan Intl
BOIBIL
Boise Air Term. Gowen Fld
Sun 11/22
7:55 pm-5:07 pm
1 stop21h 12m
Billings Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$240
BoiseKalispell
BOI Boise Air Term. Gowen Fld - FCA Kalispell Glacier Park
BOIFCA
Boise Air Term. Gowen Fld
Wed 12/23
5:33 pm-9:52 am
1 stop16h 19m
Kalispell Glacier Park
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$246
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
BOI-BTM
BOI-MSO
BOI-BIL
BOI-GTF
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
BOI-BTM
BOI-MSO
BOI-BIL
What is the cheapest month to book a flight from Idaho to Montana?
Currently, February is the cheapest month in which you can book a flight from Idaho to Montana (average of $197). Flying from Idaho to Montana in July is currently the most expensive (average of $571). 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 ID to MT?
Find hourly flight availability from Idaho to Montana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to Montana as you normally would.
How much does it cost to fly round-trip from Idaho to Montana?
Airfare is typical for this route at the moment.
Idaho to Montana flights typically cost between $163 and $272 in December.The cheapest round-trip price found within the last 5 days was $177 on Alaska Airlines (Dec 3-Dec 6).
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 October 30, 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.
Boarding
8.1
Food
7.0
Entertainment
7.0
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Boarding
8.1
Food
7.0
Entertainment
7.0
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Boarding
8.1
Food
7.0
Entertainment
7.0
Overall
7.9
Comfort
7.8
Crew
8.5
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 October 30, 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 October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$107 | Average$449 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$163 | Average$403 | FlexibilityNo cancel fee | On-timeN/A |