$123+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BZN
Jul 15 — Jul 221
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Boston to Montana with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boston to Montana
Cheapest
Best
Last-minute
One-way
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 June 15, 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 June 15, 2026.
This Southwest deal was found by Cheapflights users on 6/10. 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.
Tue 8/257:30 am
BOS
- BZN
1 stop6h 45m
Southwest
Mon 8/313:30 pm
BZN
- BOS
1 stop7h 00m
Southwest
Deal found 6/10![Southwest logo]()
$344
This United Airlines deal was found by Cheapflights users on 6/12. 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 8/195:08 pm
BOS
- COD
1 stop7h 37m
United Airlines
Wed 8/2610:40 am
COD
- BOS
2 stops11h 19m
United Airlines
Deal found 6/12![United Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 6/13. 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 8/225:45 am
BOS
- BZN
1 stop6h 57m
United Airlines
Thu 8/274:30 pm
BZN
- BOS
1 stop6h 45m
United Airlines
Deal found 6/13![United Airlines logo]()
$345
This Southwest deal was found by Cheapflights users on 6/11. 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.
Tue 12/15:00 am
BOS
- BZN
1 stop7h 40m
Southwest
Tue 12/88:10 am
BZN
- BOS
2 stops11h 25m
Southwest
Deal found 6/11![Southwest logo]()
$346
This Cheapflightsfares deal was found by Cheapflights users on 6/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/58:48 am
BOS
- BZN
Nonstop4h 59m
JetBlue
Thu 7/911:22 am
BZN
- BOS
1 stop10h 42m
JetBlue
Deal found 6/14![JetBlue logo]()
$347
This Orbitz deal was found by Cheapflights users on 6/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/114:48 pm
BOS
- BIL
1 stop20h 50m
Alaska Airlines
Mon 9/147:29 pm
BIL
- BOS
1 stop10h 10m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 8/178:05 am
BOS
- BZN
1 stop9h 18m
United Airlines
Wed 8/264:30 pm
BZN
- BOS
1 stop6h 45m
United Airlines
Deal found 6/12![United Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 6/10. 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.
Wed 7/18:43 am
BOS
- BZN
Nonstop5h 04m
Delta
Fri 7/312:43 pm
BZN
- BOS
Nonstop4h 31m
Delta
Deal found 6/10![Delta logo]()
$352
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 9/37:30 am
BOS
- BZN
1 stop9h 55m
American Airlines
Thu 9/1012:54 pm
BZN
- BOS
1 stop7h 33m
American Airlines
Deal found 6/11![American Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 6/12. 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 10/135:40 am
BOS
- FCA
1 stop8h 49m
Delta
Tue 10/201:29 pm
FCA
- BOS
1 stop6h 55m
Delta
Deal found 6/12![Delta logo]()
$357
This Travelocity deal was found by Cheapflights users on 6/10. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:43 am
BOS
- BZN
Nonstop4h 59m
Multiple Airlines
Mon 8/319:20 am
BZN
- BOS
1 stop18h 29m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$358
This Southwest deal was found by Cheapflights users on 6/11. 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.
Sat 8/151:30 pm
BOS
- BZN
2 stops9h 45m
Southwest
Mon 8/313:30 pm
BZN
- BOS
1 stop7h 00m
Southwest
Deal found 6/11![Southwest logo]()
$359
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 June 15, 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 June 15, 2026.
This United Airlines deal was found by Cheapflights users on 6/12. 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 8/195:08 pm
BOS
- COD
1 stop7h 37m
United Airlines
Wed 8/2610:40 am
COD
- BOS
2 stops11h 19m
United Airlines
Deal found 6/12![United Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 6/14. 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 8/2910:33 am
BOS
- BZN
Nonstop5h 02m
Delta
Sat 9/52:30 pm
BZN
- BOS
Nonstop4h 33m
Delta
Deal found 6/14![Delta logo]()
$352
This JetBlue deal was found by Cheapflights users on 6/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:43 am
BOS
- BZN
Nonstop4h 59m
JetBlue
Tue 8/2512:37 pm
BZN
- BOS
Nonstop4h 29m
JetBlue
Deal found 6/12![JetBlue logo]()
$407
This Southwest deal was found by Cheapflights users on 6/14. 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 9/185:25 am
BOS
- BZN
2 stops10h 30m
Southwest
Thu 9/242:30 pm
BZN
- BOS
1 stop13h 30m
Southwest
Deal found 6/14![Southwest logo]()
$419
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:42 pm
BOS
- BIL
1 stop23h 20m
Alaska Airlines
Sun 8/303:42 pm
BIL
- BOS
1 stop12h 27m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$458
This KAYAK deal was found by Cheapflights users on 6/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:10 am
BOS
- OLF
2 stops14h 12m
Multiple Airlines
Thu 11/121:10 pm
OLF
- BOS
2 stops26h 12m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$586
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Sun 9/205:45 am
BOS
- BZN
1 stop6h 57m
United Airlines
Sat 9/264:24 pm
BZN
- BOS
1 stop6h 35m
United Airlines
Deal found 6/12![United Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 6/12. 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 8/2511:05 am
BOS
- GTF
1 stop8h 37m
Delta
Fri 8/281:08 pm
GTF
- BOS
1 stop8h 49m
Delta
Deal found 6/12![Delta logo]()
$368
This Southwest deal was found by Cheapflights users on 6/12. 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 8/172:15 pm
BOS
- BZN
2 stops10h 10m
Southwest
Wed 8/2611:20 am
BZN
- BOS
2 stops8h 50m
Southwest
Deal found 6/12![Southwest logo]()
$427
This Delta deal was found by Cheapflights users on 6/12. 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 9/46:05 am
BOS
- HLN
1 stop8h 10m
Delta
Wed 9/95:45 am
HLN
- BOS
2 stops12h 19m
Delta
Deal found 6/12![Delta logo]()
$404
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Mon 8/249:33 am
BOS
- GTF
2 stops13h 39m
United Airlines
Fri 8/282:25 pm
GTF
- BOS
1 stop7h 29m
United Airlines
Deal found 6/15![United Airlines logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 6/13. 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.
Wed 9/910:03 am
BOS
- HLN
1 stop8h 38m
Alaska Airlines
Wed 9/165:18 pm
HLN
- BOS
1 stop12h 21m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$481
This Delta deal was found by Cheapflights users on 6/10. 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 8/256:05 am
BOS
- HLN
1 stop8h 10m
Delta
Tue 9/15:40 am
HLN
- BOS
2 stops12h 19m
Delta
Deal found 6/10![Delta logo]()
$404
This Southwest deal was found by Cheapflights users on 6/10. 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 9/51:00 pm
BOS
- BZN
2 stops10h 15m
Southwest
Tue 9/86:55 am
BZN
- BOS
2 stops12h 30m
Southwest
Deal found 6/10![Southwest logo]()
$456
This United Airlines deal was found by Cheapflights users on 6/11. 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 8/195:45 am
BOS
- BZN
2 stops11h 38m
United Airlines
Wed 8/264:30 pm
BZN
- BOS
1 stop6h 45m
United Airlines
Deal found 6/11![United Airlines logo]()
$432
This Delta deal was found by Cheapflights users on 6/14. 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.
Thu 8/276:18 pm
BOS
- BIL
1 stop7h 12m
Delta
Sun 8/306:24 pm
BIL
- BOS
1 stop10h 06m
Delta
Deal found 6/14![Delta logo]()
$414
This Southwest deal was found by Cheapflights users on 6/14. 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 9/105:00 pm
BOS
- BZN
1 stop7h 25m
Southwest
Sun 9/1312:05 pm
BZN
- BOS
1 stop15h 55m
Southwest
Deal found 6/14![Southwest logo]()
$462
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:04 am
BOS
- MSO
2 stops14h 47m
Alaska Airlines
Sat 10/312:06 pm
MSO
- BOS
1 stop7h 48m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$513
This United Airlines deal was found by Cheapflights users on 6/14. 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 11/37:30 am
BOS
- BZN
1 stop9h 43m
United Airlines
Wed 11/42:37 pm
BZN
- BOS
1 stop7h 05m
United Airlines
Deal found 6/14![United Airlines logo]()
$437
This Delta deal was found by Cheapflights users on 6/14. 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 7/148:16 am
BOS
- BZN
1 stop8h 31m
Delta
Mon 7/2011:29 am
BZN
- BOS
1 stop8h 32m
Delta
Deal found 6/14![Delta logo]()
$422
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/43:31 pm
BOS
- MSO
1 stop9h 30m
Alaska Airlines
Sat 9/124:16 pm
MSO
- BOS
2 stops11h 53m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$517
This United Airlines deal was found by Cheapflights users on 6/13. 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 9/56:00 am
BOS
- COD
3 stops18h 45m
United Airlines
Sat 9/125:53 pm
COD
- BOS
2 stops16h 57m
United Airlines
Deal found 6/13![United Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 6/10. 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 7/216:05 am
BOS
- BZN
1 stop7h 12m
Delta
Tue 7/288:25 am
BZN
- BOS
1 stop9h 18m
Delta
Deal found 6/10![Delta logo]()
$422
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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 9/57:12 am
BOS
- HLN
1 stop11h 22m
Alaska Airlines
Fri 9/115:18 pm
HLN
- BOS
1 stop12h 21m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$541
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/105:55 pm
BOS
- BZN
1 stop7h 57m
Delta
Wed 7/153:53 pm
BZN
- BOS
1 stop6h 02m
Delta
Deal found 6/11![Delta logo]()
$422
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 9/13:10 pm
BOS
- FCA
1 stop8h 11m
United Airlines
Sat 9/123:58 pm
FCA
- BOS
1 stop7h 16m
United Airlines
Deal found 6/11![United Airlines logo]()
$467
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
Wed 9/97:12 am
BOS
- FCA
1 stop17h 44m
Alaska Airlines
Tue 9/158:21 pm
FCA
- BOS
1 stop9h 18m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$546
This United Airlines deal was found by Cheapflights users on 6/14. 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 6/306:00 am
BOS
- FCA
1 stop7h 29m
United Airlines
Sat 7/46:20 am
FCA
- BOS
1 stop7h 24m
United Airlines
Deal found 6/14![United Airlines logo]()
$468
This Delta deal was found by Cheapflights users on 6/12. 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 9/36:18 pm
BOS
- MSO
1 stop7h 29m
Delta
Sat 9/126:10 pm
MSO
- BOS
1 stop9h 59m
Delta
Deal found 6/12![Delta logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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 10/177:00 am
BOS
- MSO
1 stop9h 50m
Alaska Airlines
Sun 10/187:00 am
MSO
- BOS
1 stop22h 29m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$551
Last-minute flights from Boston to MontanaDiscover last-minute flight deals from Boston to Montana. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Montana. Data last updated June 15, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/14. 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 6/306:00 am
BOS
- FCA
1 stop7h 29m
United Airlines
Sat 7/46:20 am
FCA
- BOS
2 stops11h 10m
United Airlines
Deal found 6/14![United Airlines logo]()
$456
This Delta deal was found by Cheapflights users on 6/10. 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.
Wed 7/18:43 am
BOS
- BZN
Nonstop5h 04m
Delta
Fri 7/312:43 pm
BZN
- BOS
Nonstop4h 31m
Delta
Deal found 6/10![Delta logo]()
$352
This Delta deal was found by Cheapflights users on 6/14. 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.
Thu 7/23:00 pm
BOS
- FCA
1 stop7h 16m
Delta
Sat 7/41:45 pm
FCA
- BOS
1 stop8h 13m
Delta
Deal found 6/14![Delta logo]()
$424
This Delta deal was found by Cheapflights users on 6/12. 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 7/38:43 am
BOS
- BZN
Nonstop5h 04m
Delta
Wed 7/88:25 am
BZN
- BOS
1 stop9h 18m
Delta
Deal found 6/12![Delta logo]()
$362
This Cheapflightsfares deal was found by Cheapflights users on 6/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/58:48 am
BOS
- BZN
Nonstop4h 59m
JetBlue
Thu 7/911:22 am
BZN
- BOS
1 stop10h 42m
JetBlue
Deal found 6/14![JetBlue logo]()
$347
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/87:19 am
BOS
- BZN
1 stop9h 54m
United Airlines
Wed 7/224:24 pm
BZN
- BOS
1 stop6h 50m
United Airlines
Deal found 6/11![United Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Fri 7/109:50 am
BOS
- COD
1 stop10h 55m
United Airlines
Thu 7/165:55 pm
COD
- BOS
2 stops12h 22m
United Airlines
Deal found 6/14![United Airlines logo]()
$444
This Delta deal was found by Cheapflights users on 6/14. 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.
Fri 7/105:55 pm
BOS
- BIL
1 stop7h 35m
Delta
Sat 7/1811:50 am
BIL
- BOS
1 stop10h 02m
Delta
Deal found 6/14![Delta logo]()
$454
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 7/206:00 am
BOS
- BZN
1 stop11h 22m
American Airlines
Fri 7/245:03 pm
BZN
- BOS
1 stop14h 31m
American Airlines
Deal found 6/11![American Airlines logo]()
$380
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/265:01 am
BOS
- BZN
1 stop7h 25m
JetBlue
Thu 7/3012:37 pm
BZN
- BOS
Nonstop4h 29m
JetBlue
Deal found 6/10![JetBlue logo]()
$382
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:01 am
BOS
- BZN
1 stop7h 25m
JetBlue
Wed 8/512:37 pm
BZN
- BOS
Nonstop4h 29m
JetBlue
Deal found 6/10![JetBlue logo]()
$366
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/305:01 am
BOS
- BZN
1 stop7h 25m
JetBlue
Thu 8/611:22 am
BZN
- BOS
1 stop10h 37m
JetBlue
Deal found 6/12![JetBlue logo]()
$357
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 June 15, 2026.
Search for one-way flight options from Boston to Montana. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This Southwest deal was found by Cheapflights users on 6/11. 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.
Wed 9/307:30 am
BOS
- BZN
1 stop6h 45m
Southwest
Deal found 6/11![Southwest logo]()
$123
This Southwest deal was found by Cheapflights users on 6/10. 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.
Tue 9/222:45 pm
BOS
- BZN
2 stops9h 40m
Southwest
Deal found 6/10![Southwest logo]()
$129
This Southwest deal was found by Cheapflights users on 6/11. 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.
Tue 12/85:35 am
BOS
- BZN
2 stops11h 10m
Southwest
Deal found 6/11![Southwest logo]()
$135
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:43 am
BOS
- BZN
Nonstop4h 59m
JetBlue
Deal found 6/10![JetBlue logo]()
$149
This Southwest deal was found by Cheapflights users on 6/11. 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.
Sat 9/1912:10 pm
BOS
- BZN
2 stops11h 05m
Southwest
Deal found 6/11![Southwest logo]()
$153
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:35 am
BOS
- BZN
Nonstop5h 02m
Delta
Deal found 6/10![Delta logo]()
$154
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:25 am
BOS
- BZN
2 stops10h 35m
Southwest
Deal found 6/10![Southwest logo]()
$161
This JetBlue deal was found by Cheapflights users on 6/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:01 am
BOS
- BZN
1 stop7h 26m
JetBlue
Deal found 6/10![JetBlue logo]()
$164
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:24 am
BOS
- BZN
1 stop8h 50m
American Airlines
Deal found 6/10![American Airlines logo]()
$169
This American Airlines deal was found by Cheapflights users on 6/10. 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 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 6/10![American Airlines logo]()
$170
This Southwest deal was found by Cheapflights users on 6/10. 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.
Mon 12/75:35 am
BOS
- BZN
2 stops11h 10m
Southwest
Deal found 6/10![Southwest logo]()
$175
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/116:45 am
BOS
- FCA
1 stop9h 49m
American Airlines
Deal found 6/11![American Airlines logo]()
$179
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 June 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $344 (Southwest) |
One-way from | $123 (Southwest) |
Popular in | December |
Cheapest in | November |
Average price | $487 |
Good round-trip deal | $437 or less |
Good one-way deal | $163 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 June 15, 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
BostonCody
BOS - COD
BOSCOD
Boston Logan Intl
Wed 8/19
5:08 pm-10:45 pm
1 stop7h 37m
Cody E.E. Faust
Wed 8/26
10:40 am-11:59 pm
2 stops11h 19m
$344
BostonBozeman
BOS - BZN
BOSBZN
Boston Logan Intl
Sat 8/29
10:33 am-1:35 pm
Nonstop5h 02m
Bozeman Gallatin Field
Sat 9/5
2:30 pm-9:03 pm
Nonstop4h 33m
$352
BostonBozeman
BOS - BZN
BOSBZN
Boston Logan Intl
Sun 9/20
5:45 am-10:42 am
1 stop6h 57m
Bozeman Gallatin Field
Sat 9/26
4:24 pm-12:59 am
1 stop6h 35m
$357
BostonGreat Falls
BOS - GTF
BOSGTF
Boston Logan Intl
Tue 8/25
11:05 am-5:42 pm
1 stop8h 37m
Great Falls
Fri 8/28
1:08 pm-11:57 pm
1 stop8h 49m
$368
BostonHelena
BOS - HLN
BOSHLN
Boston Logan Intl
Fri 9/4
6:05 am-12:15 pm
1 stop8h 10m
Helena
Wed 9/9
5:45 am-8:04 pm
2 stops12h 19m
$404
BostonHelena
BOS - HLN
BOSHLN
Boston Logan Intl
Tue 8/25
6:05 am-12:15 pm
1 stop8h 10m
Helena
Tue 9/1
5:40 am-7:59 pm
2 stops12h 19m
$404
Quickest round-trip
BostonBozeman
BOS - BZN
BOSBZN
Boston Logan Intl
Tue 8/18
8:43 am-11:42 am
Nonstop4h 59m
Bozeman Gallatin Field
Tue 8/25
12:37 pm-7:06 pm
Nonstop4h 29m
$407
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Thu 8/27
6:18 pm-11:30 pm
1 stop7h 12m
Billings Logan Intl
Sun 8/30
6:24 pm-6:30 am
1 stop10h 06m
$414
BostonGreat Falls
BOS - GTF
BOSGTF
Boston Logan Intl
Mon 8/24
9:33 am-9:12 pm
2 stops13h 39m
Great Falls
Fri 8/28
2:25 pm-11:54 pm
1 stop7h 29m
$417
BostonBozeman
BOS - BZN
BOSBZN
Boston Logan Intl
Fri 9/18
5:25 am-1:55 pm
2 stops10h 30m
Bozeman Gallatin Field
Thu 9/24
2:30 pm-6:00 am
1 stop13h 30m
$419
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-COD
BOS-BIL
BOS-FCA
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-COD
BOS-BIL
BOS-FCA
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 August is currently the most expensive (average of $2,119). 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.
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 June 15, 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 73 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 June 15, 2026.
Read reviews from past customers who have flown Southwest,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.
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
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 June 15, 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 June 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$159 | Average$470 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$175 | Average$509 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$237 | Average$580 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$262 | Average$478 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$263 | Average$525 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$284 | Average$497 | FlexibilityNo cancel fee | On-time75% |