$120+ Cheap flights from Montana to Boston (BOS)
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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — BOS
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Montana to Boston 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 Montana to BostonExplore the most affordable flight options available from Montana to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from Montana to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This Southwest deal was found by Cheapflights users on 9/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/272:45 pm -
1 stop7h 10m
Sat 10/311:10 pm -
1 stop7h 25m
Deal found 9/13![Southwest logo]()
$240
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/294:15 pm -
1 stop7h 00m
Wed 11/41:10 pm -
2 stops11h 20m
Deal found 9/14![Southwest logo]()
$262
This Southwest deal was found by Cheapflights users on 9/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:05 am -
2 stops11h 40m
Mon 11/161:10 pm -
2 stops11h 20m
Deal found 9/13![Southwest logo]()
$267
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 11/134:05 pm -
1 stop7h 10m
Thu 11/195:00 am -
1 stop7h 35m
Deal found 9/14![Southwest logo]()
$288
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/174:15 pm -
1 stop7h 03m
Sun 1/35:45 am -
1 stop7h 53m
Deal found 9/13![United Airlines logo]()
$367
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/276:30 am -
2 stops8h 54m
Mon 11/27:15 am -
1 stop8h 15m
Deal found 9/14![United Airlines logo]()
$372
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/206:00 am -
2 stops12h 49m
Tue 10/276:27 am -
1 stop8h 24m
Deal found 9/15![American Airlines logo]()
$398
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/275:30 am -
1 stop9h 08m
Sat 10/314:15 pm -
1 stop8h 42m
Deal found 9/16![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/206:16 am -
1 stop8h 54m
Tue 10/276:05 am -
1 stop8h 13m
Deal found 9/16![Delta logo]()
$405
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/245:20 am -
1 stop9h 18m
Sun 11/16:05 am -
1 stop8h 13m
Deal found 9/14![Delta logo]()
$412
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 12/71:00 pm -
1 stop9h 14m
Thu 12/103:05 pm -
1 stop6h 43m
Deal found 9/14![Delta logo]()
$419
This Alaska Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:45 pm -
1 stop9h 41m
Sat 10/247:03 am -
1 stop14h 02m
Deal found 9/12![Alaska Airlines logo]()
$429
Best flights from Montana to BostonDiscover carefully curated flight deals from Montana to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Montana to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1711:43 am -
1 stop9h 07m
Fri 1/14:29 pm -
1 stop8h 28m
Deal found 9/13![United Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 9/12. 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.
Tue 10/206:16 am -
1 stop8h 54m
Tue 10/276:05 am -
1 stop8h 13m
Deal found 9/12![Delta logo]()
$405
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Tue 10/206:00 am -
2 stops12h 49m
Tue 10/2712:00 pm -
2 stops11h 12m
Deal found 9/12![American Airlines logo]()
$423
This Alaska Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:32 pm -
1 stop9h 54m
Mon 11/29:03 am -
1 stop31h 49m
Deal found 9/12![Alaska Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/3012:48 pm -
2 stops9h 11m
Mon 11/26:00 am -
1 stop7h 45m
Deal found 9/12![United Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/245:20 am -
1 stop9h 18m
Sun 11/16:05 am -
1 stop8h 13m
Deal found 9/14![Delta logo]()
$412
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/162:00 pm -
1 stop8h 20m
Sat 10/246:50 am -
1 stop8h 29m
Deal found 9/16![Delta logo]()
$415
This Alaska Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 11/101:55 pm -
1 stop8h 03m
Sat 11/144:33 pm -
1 stop9h 26m
Deal found 9/16![Alaska Airlines logo]()
$469
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:48 pm -
1 stop6h 49m
Mon 11/25:43 am -
1 stop8h 53m
Deal found 9/16![American Airlines logo]()
$471
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:29 pm -
1 stop8h 51m
Sat 10/245:50 am -
1 stop8h 33m
Deal found 9/12![Delta logo]()
$415
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/104:19 pm -
1 stop11h 50m
Fri 10/166:00 am -
1 stop11h 14m
Deal found 9/13![United Airlines logo]()
$466
This Alaska Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 1/265:00 pm -
1 stop10h 40m
Sat 1/307:00 am -
1 stop11h 23m
Deal found 9/16![Alaska Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/192:29 pm -
1 stop8h 51m
Sat 10/247:27 am -
1 stop6h 56m
Deal found 9/16![Delta logo]()
$415
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:15 am -
2 stops10h 59m
Wed 11/43:05 pm -
1 stop8h 42m
Deal found 9/13![United Airlines logo]()
$476
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:21 pm -
1 stop9h 18m
Fri 10/24:48 pm -
1 stop21h 35m
Deal found 9/13![Alaska Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 9/13. 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.
Thu 12/175:40 am -
1 stop8h 50m
Mon 1/43:00 pm -
1 stop6h 48m
Deal found 9/13![Delta logo]()
$419
This Alaska Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/122:03 pm -
1 stop15h 59m
Mon 3/159:00 am -
1 stop17h 08m
Deal found 9/12![Alaska Airlines logo]()
$501
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 1/146:15 am -
2 stops9h 34m
Mon 1/189:45 am -
2 stops10h 40m
Deal found 9/16![United Airlines logo]()
$502
This Delta deal was found by Cheapflights users on 9/13. 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.
Tue 12/16:19 pm -
2 stops14h 47m
Sat 12/55:20 am -
2 stops14h 19m
Deal found 9/13![Delta logo]()
$449
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 1/269:30 am -
1 stop8h 29m
Sat 1/3011:39 am -
1 stop9h 01m
Deal found 9/15![United Airlines logo]()
$504
This Alaska Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/166:59 pm -
1 stop10h 27m
Sat 10/246:40 pm -
2 stops22h 35m
Deal found 9/16![Alaska Airlines logo]()
$513
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 1/272:42 pm -
1 stop7h 13m
Sat 1/309:20 am -
1 stop8h 13m
Deal found 9/16![United Airlines logo]()
$505
This Delta deal was found by Cheapflights users on 9/13. 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.
Fri 10/306:27 pm -
2 stops14h 48m
Fri 11/63:15 pm -
2 stops9h 25m
Deal found 9/13![Delta logo]()
$469
This Alaska Airlines deal was found by Cheapflights users on 9/12. 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.
Sat 1/237:03 am -
1 stop8h 22m
Tue 1/267:00 am -
1 stop10h 32m
Deal found 9/12![Alaska Airlines logo]()
$521
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 10/239:45 am -
1 stop8h 15m
Tue 10/2711:34 am -
1 stop9h 02m
Deal found 9/17![United Airlines logo]()
$505
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 9/296:21 pm -
1 stop10h 09m
Sat 10/34:45 pm -
1 stop7h 52m
Deal found 9/14![Delta logo]()
$478
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 11/102:36 pm -
1 stop7h 14m
Sat 11/1412:14 pm -
2 stops11h 37m
Deal found 9/14![United Airlines logo]()
$514
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:27 pm -
1 stop9h 58m
Tue 10/276:05 am -
1 stop8h 33m
Deal found 9/12![Delta logo]()
$493
This Alaska Airlines deal was found by Cheapflights users on 9/12. 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.
Thu 10/228:01 am -
2 stops20h 11m
Mon 11/29:03 am -
1 stop30h 12m
Deal found 9/12![Alaska Airlines logo]()
$616
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/211:38 am -
1 stop9h 07m
Tue 10/612:45 pm -
1 stop8h 27m
Deal found 9/16![United Airlines logo]()
$515
Last-minute flights from Montana to BostonDiscover last-minute flight deals from Montana to Boston. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Montana to Boston. Data last updated September 17, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:45 pm -
1 stop9h 41m
Sat 10/247:03 am -
1 stop14h 02m
Deal found 9/12![Alaska Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 9/13. 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.
Sat 10/176:27 pm -
1 stop10h 03m
Wed 10/216:05 am -
1 stop8h 33m
Deal found 9/13![Delta logo]()
$438
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/206:00 am -
2 stops12h 49m
Tue 10/276:27 am -
1 stop8h 24m
Deal found 9/15![American Airlines logo]()
$398
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/206:16 am -
1 stop8h 54m
Tue 10/276:05 am -
1 stop8h 13m
Deal found 9/16![Delta logo]()
$405
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/232:37 pm -
1 stop7h 22m
Mon 10/266:00 am -
1 stop7h 45m
Deal found 9/15![United Airlines logo]()
$367
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:00 am -
2 stops9h 07m
Tue 10/276:00 am -
2 stops9h 30m
Deal found 9/13![United Airlines logo]()
$378
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:00 am -
2 stops9h 07m
Sun 11/16:00 am -
1 stop7h 45m
Deal found 9/13![United Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/245:20 am -
1 stop9h 18m
Sun 11/16:05 am -
1 stop8h 13m
Deal found 9/14![Delta logo]()
$412
This Southwest deal was found by Cheapflights users on 9/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/272:45 pm -
1 stop7h 10m
Sat 10/311:10 pm -
1 stop7h 25m
Deal found 9/13![Southwest logo]()
$240
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/276:30 am -
2 stops8h 54m
Mon 11/27:15 am -
1 stop8h 15m
Deal found 9/14![United Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/275:30 am -
1 stop9h 08m
Sat 10/314:15 pm -
1 stop8h 42m
Deal found 9/16![Delta logo]()
$399
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/294:15 pm -
1 stop7h 00m
Wed 11/41:10 pm -
2 stops11h 20m
Deal found 9/14![Southwest logo]()
$262
One-way flights from Montana to BostonSearch for one-way flight options from Montana to Boston. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Montana to Boston. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/272:45 pm -
1 stop7h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Southwest logo]()
$120
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/294:15 pm -
1 stop7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Southwest logo]()
$136
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 12/148:05 am -
2 stops11h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 11/134:05 pm -
1 stop7h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$152
This Southwest deal was found by Cheapflights users on 9/12. 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.
Wed 11/183:30 pm -
1 stop6h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Southwest logo]()
$184
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:30 am -
2 stops10h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![United Airlines logo]()
$189
This KAYAK deal was found by Cheapflights users on 9/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/911:44 am -
Nonstop4h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![JetBlue logo]()
$196
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 12/2212:21 pm -
Nonstop4h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Delta logo]()
$198
This Delta deal was found by Cheapflights users on 9/13. 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.
Mon 10/196:13 pm -
1 stop10h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Delta logo]()
$200
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 11/191:52 pm -
1 stop8h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![American Airlines logo]()
$208
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 11/198:05 am -
2 stops11h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 11/18:39 pm -
2 stops36h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$219
Find flight deals from Montana to Boston
Keep the following information in mind while searching for Montana to Boston flight deals. Data was last updated September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $240 (Southwest) |
One-way from | $120 (Southwest) |
Popular in | November |
Cheapest in | February |
Average price | $539 |
Good round-trip deal | $382 or less |
Good one-way deal | $359 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Montana to Boston 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 17, 2026.
Use the filters below to find and compare flights from Montana to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BozemanBoston
BZN Bozeman Gallatin Field - BOS Boston Logan Intl
BZNBOS
Bozeman Gallatin Field
Sat 11/14
7:30 am-5:10 pm
1 stop7h 40m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$120
BozemanBoston
BZN Bozeman Gallatin Field - BOS Boston Logan Intl
BZNBOS
Bozeman Gallatin Field
Wed 11/11
12:48 pm-11:35 pm
1 stop8h 47m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$184
KalispellBoston
FCA Kalispell Glacier Park - BOS Boston Logan Intl
FCABOS
Kalispell Glacier Park
Mon 10/19
6:13 pm-6:25 am
1 stop10h 12m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$200
BozemanBoston
BZN Bozeman Gallatin Field - BOS Boston Logan Intl
BZNBOS
Bozeman Gallatin Field
Fri 11/13
6:58 pm-5:40 am
1 stop8h 42m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$208
BozemanBoston
BZN Bozeman Gallatin Field - BOS Boston Logan Intl
BZNBOS
Bozeman Gallatin Field
Sun 11/15
6:23 pm-6:20 am
1 stop9h 57m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$208
BozemanBoston
BZN Bozeman Gallatin Field - BOS Boston Logan Intl
BZNBOS
Bozeman Gallatin Field
Thu 12/10
2:41 pm-1:16 am
1 stop8h 35m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$208
BozemanBoston
BZN Bozeman Gallatin Field - BOS Boston Logan Intl
BZNBOS
Bozeman Gallatin Field
Mon 1/18
7:00 pm-6:11 am
1 stop9h 11m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$208
BozemanBoston
BZN Bozeman Gallatin Field - BOS Boston Logan Intl
BZNBOS
Bozeman Gallatin Field
Thu 10/29
11:05 am-11:55 pm
2 stops10h 50m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$213
Great FallsBoston
GTF Great Falls - BOS Boston Logan Intl
GTFBOS
Great Falls
Sun 11/1
2:45 pm-11:50 pm
1 stop7h 05m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$219
Great FallsBoston
GTF Great Falls - BOS Boston Logan Intl
GTFBOS
Great Falls
Sun 11/1
6:27 pm-11:15 am
2 stops14h 48m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$225
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Montana to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Montana with our price prediction graph.
BZN-BOS
FCA-BOS
GTF-BOS
BIL-BOS
MSO-BOS
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 Montana to Boston
USMT-BOS
BZN-BOS
FCA-BOS
GTF-BOS
BIL-BOS
What is the cheapest month to book a flight from Montana to Boston?
Currently, February is the cheapest month in which you can book a flight from Montana to Boston (average of $310). Flying from Montana to Boston in November is currently the most expensive (average of $647). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Montana to Boston?
Airfare is below average for this route at the moment.
Montana to Boston flights typically cost between $460 and $628 in October.The cheapest round-trip price found within the last 5 days was $240 on Southwest (Oct 27-Oct 31).
How far ahead should I book a flight from Montana to Boston?
To ensure you get the cheapest price possible for a flight from Montana to Boston, you should look to book at least 65 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.
Related info for your journey
Find useful and relevant information for your journey from Montana to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsWaltham
Randolph
Concord
Cambridge
Brockton
Dedham
Cranston
Revere
Warwick
Pawtucket
Peabody
Auburn
Londonderry
York Beach
Fitchburg
North Falmouth
Swansea
Chelsea
Braintree
Sandwich
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.
Alternative routes
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Alternative routes for Montana to Boston
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Boston
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
Complete your trip
Complete your trip to Boston by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Montana to Boston by cabin class
Find flights from Montana to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Montana and Boston flights
Browse other Montana and Boston flight options. Last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Montana to Boston flights
Consider these flights traveling from Montana to Boston.
Top 6 airlines flying from Montana to Boston
Discover the top 6 airlines that operate flights from Montana to Boston. 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 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$185 | Average$561 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$217 | Average$470 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$219 | Average$608 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$296 | Average$554 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$360 | Average$600 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$366 | Average$539 | FlexibilityNo cancel fee | On-time63% |