$117+ Cheap flights from Boston (BOS) to Montana
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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BZN
Aug 12 — Aug 191
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Montana with Cheapflights
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Cheapest flights from Boston to MontanaExplore the most affordable flight options available from Boston to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 13, 2026.
Explore the most affordable flight options available from Boston to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 13, 2026.
This Southwest deal was found by Cheapflights users on 7/10. 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 9/51:30 pm
BOS
- BZN
2 stops9h 45m
Southwest
Thu 9/101:35 pm
BZN
- BOS
1 stop8h 55m
Southwest
Deal found 7/10![Southwest logo]()
$257
This Southwest deal was found by Cheapflights users on 7/9. 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.
Fri 8/285:00 pm
BOS
- BZN
1 stop7h 25m
Southwest
Tue 9/13:25 pm
BZN
- BOS
1 stop6h 40m
Southwest
Deal found 7/9![Southwest logo]()
$267
This Southwest deal was found by Cheapflights users on 7/10. 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.
Fri 8/211:30 pm
BOS
- BZN
1 stop10h 55m
Southwest
Thu 8/271:35 pm
BZN
- BOS
1 stop8h 55m
Southwest
Deal found 7/10![Southwest logo]()
$273
This Southwest deal was found by Cheapflights users on 7/9. 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 8/201:30 pm
BOS
- BZN
1 stop10h 55m
Southwest
Thu 8/273:30 pm
BZN
- BOS
1 stop7h 00m
Southwest
Deal found 7/9![Southwest logo]()
$280
This Southwest deal was found by Cheapflights users on 7/10. 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.
Fri 11/65:35 am
BOS
- BZN
2 stops11h 50m
Southwest
Mon 11/94:05 pm
BZN
- BOS
1 stop7h 05m
Southwest
Deal found 7/10![Southwest logo]()
$284
This Southwest deal was found by Cheapflights users on 7/10. 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.
Thu 8/275:00 pm
BOS
- BZN
1 stop7h 25m
Southwest
Tue 9/12:00 pm
BZN
- BOS
1 stop8h 05m
Southwest
Deal found 7/10![Southwest logo]()
$287
This Expedia deal was found by Cheapflights users on 7/8. 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.
Tue 9/19:33 am
BOS
- BIL
1 stop31h 29m
Alaska Airlines
Sat 9/53:42 pm
BIL
- BOS
1 stop12h 27m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:41 pm
BOS
- BIL
2 stops10h 19m
United Airlines
Fri 8/282:29 pm
BIL
- BOS
1 stop7h 25m
United Airlines
Deal found 7/11![United Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 7/8. 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 9/1511:20 am
BOS
- GTF
1 stop8h 21m
Delta
Mon 9/216:21 pm
GTF
- BOS
1 stop10h 09m
Delta
Deal found 7/8![Delta logo]()
$368
This United Airlines deal was found by Cheapflights users on 7/8. 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 9/19:00 am
BOS
- BIL
2 stops10h 16m
United Airlines
Sat 9/52:29 pm
BIL
- BOS
1 stop7h 21m
United Airlines
Deal found 7/8![United Airlines logo]()
$381
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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.
Sat 9/57:59 pm
BOS
- BIL
1 stop17h 32m
Alaska Airlines
Sat 9/123:42 pm
BIL
- BOS
1 stop12h 27m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:30 am
BOS
- FCA
1 stop9h 04m
American Airlines
Tue 9/11:32 pm
FCA
- BOS
1 stop8h 27m
American Airlines
Deal found 7/12![American Airlines logo]()
$388
Best flights from Boston to MontanaDiscover carefully curated flight deals from Boston to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 13, 2026.
Discover carefully curated flight deals from Boston to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 13, 2026.
This Southwest deal was found by Cheapflights users on 7/10. 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 9/51:30 pm
BOS
- BZN
2 stops9h 45m
Southwest
Thu 9/101:35 pm
BZN
- BOS
1 stop8h 55m
Southwest
Deal found 7/10![Southwest logo]()
$257
This Delta deal was found by Cheapflights users on 7/8. 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.
Mon 8/247:10 am
BOS
- BZN
1 stop9h 40m
Delta
Tue 9/11:00 pm
BZN
- BOS
1 stop8h 57m
Delta
Deal found 7/8![Delta logo]()
$337
This United Airlines deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:46 am
BOS
- BZN
2 stops9h 44m
United Airlines
Wed 9/308:00 am
BZN
- BOS
1 stop6h 21m
United Airlines
Deal found 7/11![United Airlines logo]()
$353
This Alaska Airlines deal was found by Cheapflights users on 7/10. 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 10/1610:04 am
BOS
- BIL
1 stop31h 00m
Alaska Airlines
Mon 10/197:32 pm
BIL
- BOS
1 stop9h 57m
Alaska Airlines
Deal found 7/10![Alaska Airlines logo]()
$391
This American Airlines deal was found by Cheapflights users on 7/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:17 am
BOS
- BIL
1 stop9h 36m
American Airlines
Tue 10/201:23 pm
BIL
- BOS
1 stop7h 27m
American Airlines
Deal found 7/11![American Airlines logo]()
$402
This Southwest deal was found by Cheapflights users on 7/10. 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 8/295:40 am
BOS
- BZN
1 stop11h 55m
Southwest
Wed 9/212:55 pm
BZN
- BOS
1 stop6h 25m
Southwest
Deal found 7/10![Southwest logo]()
$323
This Delta deal was found by Cheapflights users on 7/8. 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 9/1511:20 am
BOS
- GTF
1 stop8h 21m
Delta
Mon 9/216:21 pm
GTF
- BOS
1 stop10h 09m
Delta
Deal found 7/8![Delta logo]()
$368
This United Airlines deal was found by Cheapflights users on 7/8. 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 9/19:00 am
BOS
- BIL
2 stops10h 16m
United Airlines
Sat 9/52:29 pm
BIL
- BOS
1 stop7h 21m
United Airlines
Deal found 7/8![United Airlines logo]()
$381
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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.
Sat 11/147:10 am
BOS
- GTF
1 stop11h 07m
Alaska Airlines
Tue 11/174:57 pm
GTF
- BOS
1 stop10h 44m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:15 am
BOS
- GTF
2 stops11h 26m
Delta
Fri 10/96:18 pm
GTF
- BOS
1 stop10h 07m
Delta
Deal found 7/12![Delta logo]()
$374
This Southwest deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:25 am
BOS
- BZN
2 stops10h 30m
Southwest
Thu 8/2711:25 am
BZN
- BOS
2 stops8h 45m
Southwest
Deal found 7/12![Southwest logo]()
$407
This United Airlines deal was found by Cheapflights users on 7/8. 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 9/153:10 pm
BOS
- FCA
1 stop8h 11m
United Airlines
Tue 9/2210:45 am
FCA
- BOS
2 stops10h 45m
United Airlines
Deal found 7/8![United Airlines logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/87:08 am
BOS
- MSO
1 stop10h 15m
Alaska Airlines
Wed 12/92:16 pm
MSO
- BOS
1 stop7h 49m
Alaska Airlines
Deal found 7/12![Alaska Airlines logo]()
$421
This Delta deal was found by Cheapflights users on 7/9. 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.
Wed 9/28:15 am
BOS
- BZN
1 stop8h 35m
Delta
Sun 9/66:19 am
BZN
- BOS
1 stop5h 39m
Delta
Deal found 7/9![Delta logo]()
$397
This Alaska Airlines deal was found by Cheapflights users on 7/10. 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.
Wed 11/47:10 am
BOS
- HLN
1 stop10h 54m
Alaska Airlines
Thu 11/124:41 pm
HLN
- BOS
1 stop11h 00m
Alaska Airlines
Deal found 7/10![Alaska Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 7/8. 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 10/36:05 am
BOS
- BZN
1 stop7h 58m
Delta
Sat 10/106:38 pm
BZN
- BOS
1 stop9h 52m
Delta
Deal found 7/8![Delta logo]()
$397
This United Airlines deal was found by Cheapflights users on 7/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:45 pm
BOS
- BZN
2 stops10h 19m
United Airlines
Sat 10/104:19 pm
BZN
- BOS
1 stop11h 55m
United Airlines
Deal found 7/10![United Airlines logo]()
$442
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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.
Sat 9/57:59 pm
BOS
- BIL
1 stop17h 32m
Alaska Airlines
Sat 9/126:14 am
BIL
- BOS
2 stops21h 55m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$436
This Delta deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:05 am
BOS
- HLN
1 stop8h 18m
Delta
Tue 10/271:03 pm
HLN
- BOS
1 stop8h 56m
Delta
Deal found 7/12![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 7/7. 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.
Tue 9/13:10 pm
BOS
- COD
1 stop9h 35m
United Airlines
Sat 9/55:53 pm
COD
- BOS
2 stops13h 55m
United Airlines
Deal found 7/7![United Airlines logo]()
$444
This Southwest deal was found by Cheapflights users on 7/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:25 pm
BOS
- BZN
2 stops9h 00m
Southwest
Mon 9/148:35 am
BZN
- BOS
2 stops11h 15m
Southwest
Deal found 7/11![Southwest logo]()
$512
This Delta deal was found by Cheapflights users on 7/10. 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 10/276:05 am
BOS
- HLN
1 stop8h 18m
Delta
Thu 11/51:03 pm
HLN
- BOS
2 stops9h 55m
Delta
Deal found 7/10![Delta logo]()
$404
This United Airlines deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:00 am
BOS
- FCA
1 stop7h 35m
United Airlines
Wed 9/23:58 pm
FCA
- BOS
1 stop7h 13m
United Airlines
Deal found 7/11![United Airlines logo]()
$446
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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.
Sat 10/247:00 am
BOS
- BIL
1 stop18h 50m
Alaska Airlines
Wed 10/287:32 pm
BIL
- BOS
1 stop9h 57m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$466
This United Airlines deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:20 am
BOS
- BZN
2 stops9h 53m
United Airlines
Wed 11/117:00 am
BZN
- BOS
2 stops9h 23m
United Airlines
Deal found 7/11![United Airlines logo]()
$447
This Delta deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/222:35 pm
BOS
- HLN
2 stops9h 55m
Delta
Fri 8/2812:55 pm
HLN
- BOS
1 stop9h 02m
Delta
Deal found 7/12![Delta logo]()
$429
This Alaska Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:55 pm
BOS
- BIL
1 stop20h 30m
Alaska Airlines
Tue 10/207:32 pm
BIL
- BOS
1 stop9h 57m
Alaska Airlines
Deal found 7/9![Alaska Airlines logo]()
$475
This United Airlines deal was found by Cheapflights users on 7/8. 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.
Thu 8/136:00 am
BOS
- COD
3 stops18h 45m
United Airlines
Sat 8/225:53 pm
COD
- BOS
2 stops15h 24m
United Airlines
Deal found 7/8![United Airlines logo]()
$454
This Alaska Airlines deal was found by Cheapflights users on 7/10. 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.
Tue 10/207:00 am
BOS
- HLN
1 stop11h 11m
Alaska Airlines
Sat 10/244:48 pm
HLN
- BOS
1 stop12h 41m
Alaska Airlines
Deal found 7/10![Alaska Airlines logo]()
$476
This United Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/299:00 am
BOS
- BZN
1 stop8h 23m
United Airlines
Wed 9/27:55 am
BZN
- BOS
1 stop9h 24m
United Airlines
Deal found 7/12![United Airlines logo]()
$457
Last-minute flights from Boston to MontanaDiscover last-minute flight deals from Boston to Montana. Data last updated July 13, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Montana. Data last updated July 13, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 7/9. 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 8/201:30 pm
BOS
- BZN
1 stop10h 55m
Southwest
Thu 8/273:30 pm
BZN
- BOS
1 stop7h 00m
Southwest
Deal found 7/9![Southwest logo]()
$280
This Southwest deal was found by Cheapflights users on 7/10. 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.
Fri 8/211:30 pm
BOS
- BZN
1 stop10h 55m
Southwest
Thu 8/271:35 pm
BZN
- BOS
1 stop8h 55m
Southwest
Deal found 7/10![Southwest logo]()
$273
This United Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:45 am
BOS
- HLN
1 stop8h 00m
United Airlines
Fri 8/282:35 pm
HLN
- BOS
1 stop7h 19m
United Airlines
Deal found 7/12![United Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 7/10. 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 8/221:30 pm
BOS
- BZN
2 stops9h 45m
Southwest
Thu 8/273:30 pm
BZN
- BOS
1 stop7h 00m
Southwest
Deal found 7/10![Southwest logo]()
$315
This United Airlines deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:05 am
BOS
- FCA
1 stop10h 12m
United Airlines
Thu 8/273:58 pm
FCA
- BOS
1 stop7h 13m
United Airlines
Deal found 7/11![United Airlines logo]()
$411
This American Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:30 am
BOS
- FCA
1 stop9h 04m
American Airlines
Tue 9/11:32 pm
FCA
- BOS
1 stop8h 27m
American Airlines
Deal found 7/12![American Airlines logo]()
$388
This United Airlines deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:41 pm
BOS
- BIL
2 stops10h 19m
United Airlines
Fri 8/282:29 pm
BIL
- BOS
1 stop7h 25m
United Airlines
Deal found 7/11![United Airlines logo]()
$354
This Southwest deal was found by Cheapflights users on 7/10. 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.
Thu 8/275:00 pm
BOS
- BZN
1 stop7h 25m
Southwest
Tue 9/12:00 pm
BZN
- BOS
1 stop8h 05m
Southwest
Deal found 7/10![Southwest logo]()
$287
This Southwest deal was found by Cheapflights users on 7/10. 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.
Thu 8/275:00 pm
BOS
- BZN
1 stop7h 25m
Southwest
Wed 9/212:55 pm
BZN
- BOS
1 stop6h 25m
Southwest
Deal found 7/10![Southwest logo]()
$312
This Southwest deal was found by Cheapflights users on 7/9. 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.
Fri 8/285:00 pm
BOS
- BZN
1 stop7h 25m
Southwest
Tue 9/13:25 pm
BZN
- BOS
1 stop6h 40m
Southwest
Deal found 7/9![Southwest logo]()
$267
This Cheapflightsfares deal was found by Cheapflights users on 7/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/299:45 am
BOS
- BZN
Nonstop4h 57m
JetBlue
Wed 9/212:58 pm
BZN
- BOS
Nonstop5h 02m
JetBlue
Deal found 7/9![JetBlue logo]()
$314
This Delta deal was found by Cheapflights users on 7/8. 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.
Mon 8/318:15 am
BOS
- FCA
1 stop7h 52m
Delta
Fri 9/46:09 pm
FCA
- BOS
1 stop10h 21m
Delta
Deal found 7/8![Delta logo]()
$389
One-way flights from Boston to MontanaSearch for one-way flight options from Boston to Montana. Find affordable one-way fares based on user searches. Data last updated July 13, 2026.
Search for one-way flight options from Boston to Montana. Find affordable one-way fares based on user searches. Data last updated July 13, 2026.
This Southwest deal was found by Cheapflights users on 7/9. 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.
Tue 9/221:05 pm
BOS
- BZN
2 stops8h 55m
Southwest
Deal found 7/9![Southwest logo]()
$117
This Southwest deal was found by Cheapflights users on 7/10. 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.
Thu 8/275:00 pm
BOS
- BZN
1 stop7h 25m
Southwest
Deal found 7/10![Southwest logo]()
$123
This Southwest deal was found by Cheapflights users on 7/8. 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.
Sat 9/123:55 pm
BOS
- BZN
1 stop7h 20m
Southwest
Deal found 7/8![Southwest logo]()
$129
This Southwest deal was found by Cheapflights users on 7/9. 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.
Sat 8/295:40 am
BOS
- BZN
1 stop11h 55m
Southwest
Deal found 7/9![Southwest logo]()
$135
This Southwest deal was found by Cheapflights users on 7/10. 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.
Fri 8/285:00 pm
BOS
- BZN
1 stop7h 25m
Southwest
Deal found 7/10![Southwest logo]()
$156
This Cheapflightsfares deal was found by Cheapflights users on 7/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/59:56 am
BOS
- BZN
Nonstop4h 57m
JetBlue
Deal found 7/9![JetBlue logo]()
$157
This American Airlines deal was found by Cheapflights users on 7/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:24 pm
BOS
- BZN
1 stop19h 01m
American Airlines
Deal found 7/8![American Airlines logo]()
$162
This United Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:38 am
BOS
- BZN
1 stop10h 04m
United Airlines
Deal found 7/9![United Airlines logo]()
$164
This American Airlines deal was found by Cheapflights users on 7/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:45 am
BOS
- BZN
1 stop10h 40m
American Airlines
Deal found 7/9![American Airlines logo]()
$169
This American Airlines deal was found by Cheapflights users on 7/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:29 am
BOS
- BZN
1 stop7h 57m
American Airlines
Deal found 7/11![American Airlines logo]()
$172
This American Airlines deal was found by Cheapflights users on 7/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:34 pm
BOS
- BIL
1 stop10h 14m
American Airlines
Deal found 7/8![American Airlines logo]()
$175
This Delta deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:05 am
BOS
- GTF
1 stop8h 28m
Delta
Deal found 7/13![Delta logo]()
$184
Find flight deals from Boston to Montana
Keep the following information in mind while searching for Boston to Montana flight deals. Data was last updated July 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $257 (Southwest) |
One-way from | $117 (Southwest) |
Popular in | December |
Cheapest in | November |
Average price | $462 |
Good round-trip deal | $437 or less |
Good one-way deal | $207 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston 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 2,558,603 searches. Data last updated July 13, 2026.
Use the filters below to find and compare flights from Boston to Montana that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonBozeman
BOS - BZN
BOSBZN
Boston Logan Intl
Sat 9/5
1:30 pm-9:15 pm
2 stops9h 45m
Bozeman Gallatin Field
Thu 9/10
1:35 pm-12:30 am
1 stop8h 55m
$257
BostonBozeman
BOS - BZN
BOSBZN
Boston Logan Intl
Sat 8/29
5:40 am-3:35 pm
1 stop11h 55m
Bozeman Gallatin Field
Wed 9/2
12:55 pm-9:20 pm
1 stop6h 25m
$323
BostonBozeman
BOS - BZN
BOSBZN
Boston Logan Intl
Mon 8/24
7:10 am-2:50 pm
1 stop9h 40m
Bozeman Gallatin Field
Tue 9/1
1:00 pm-11:57 pm
1 stop8h 57m
$337
BostonBozeman
BOS - BZN
BOSBZN
Boston Logan Intl
Wed 9/16
7:46 am-3:30 pm
2 stops9h 44m
Bozeman Gallatin Field
Wed 9/30
8:00 am-4:21 pm
1 stop6h 21m
$353
BostonGreat Falls
BOS - GTF
BOSGTF
Boston Logan Intl
Tue 9/15
11:20 am-5:41 pm
1 stop8h 21m
Great Falls
Mon 9/21
6:21 pm-6:30 am
1 stop10h 09m
$368
BostonGreat Falls
BOS - GTF
BOSGTF
Boston Logan Intl
Sat 10/3
8:15 am-5:41 pm
2 stops11h 26m
Great Falls
Fri 10/9
6:18 pm-6:25 am
1 stop10h 07m
$374
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Tue 9/1
9:00 am-5:16 pm
2 stops10h 16m
Billings Logan Intl
Sat 9/5
2:29 pm-11:50 pm
1 stop7h 21m
$381
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Fri 10/16
10:04 am-3:04 pm
1 stop31h 00m
Billings Logan Intl
Mon 10/19
7:32 pm-7:29 am
1 stop9h 57m
$391
Quickest round-trip
BostonBozeman
BOS - BZN
BOSBZN
Boston Logan Intl
Wed 9/2
8:15 am-2:50 pm
1 stop8h 35m
Bozeman Gallatin Field
Sun 9/6
6:19 am-1:58 pm
1 stop5h 39m
$397
BostonBozeman
BOS - BZN
BOSBZN
Boston Logan Intl
Sat 10/3
6:05 am-12:03 pm
1 stop7h 58m
Bozeman Gallatin Field
Sat 10/10
6:38 pm-6:30 am
1 stop9h 52m
$397
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Boston to Montana
Have a flexible travel schedule? Discover the best time to fly to Montana from Boston with our price prediction graph.
BOS-BZN
BOS-BIL
BOS-FCA
BOS-HLN
BOS-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 Boston to Montana
BOS-USMT
BOS-BZN
BOS-BIL
BOS-FCA
BOS-HLN
What is the cheapest month to book a flight from Boston to Montana?
Currently, December is the cheapest month in which you can book a flight from Boston to Montana (average of $127). Flying from Boston to Montana in April is currently the most expensive (average of $271). 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 BOS to MT?
Find hourly flight availability from Boston 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 July 13, 2026.
When flying from Boston to Montana, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Boston to Montana
Explore weekly flight availability from Boston to Montana. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 13, 2026.
The most flights from BOS to USMT are scheduled on a Saturday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Boston to Montana?
How far ahead should I book a flight from Boston to Montana?
To ensure you get the cheapest price possible for a flight from Boston to Montana, you should look to book at least 32 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 July 13, 2026.
Read reviews from past customers who have flown Alaska Airlines,Delta, andUnited Airlines from Boston to Montana. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.1
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.1
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.1
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.1
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.1
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.1
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Related info for your journey
Find useful and relevant information for your journey from Boston 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
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Boston 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 Boston to Montana by cabin class
Find flights from Boston to Montana, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Montana flights
Browse other Boston and Montana flight options. Last updated on July 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Boston to Montana flights
Consider these flights traveling from Boston to Montana.
Top 6 airlines flying from Boston to Montana
Discover the top 6 airlines that operate flights from Boston 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 2,558,603 searches. Data last updated July 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$160 | Average$475 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$176 | Average$518 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$237 | Average$574 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$263 | Average$544 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$278 | Average$508 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$284 | Average$488 | FlexibilityNo cancel fee | On-time75% |