$149+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BZN
Jul 4 — Jul 111
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 June 4, 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 4, 2026.
This American Airlines deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:30 am
BOS
- BZN
1 stop9h 55m
American Airlines
Tue 9/16:26 am
BZN
- BOS
1 stop9h 19m
American Airlines
Deal found 5/30![American Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 8/317:30 am
BOS
- BZN
2 stops9h 53m
United Airlines
Wed 9/164:23 pm
BZN
- BOS
1 stop6h 51m
United Airlines
Deal found 6/2![United Airlines logo]()
$339
This Orbitz deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 9/48:43 am
BOS
- BZN
Nonstop4h 59m
Multiple Airlines
Tue 9/83:43 pm
BZN
- BOS
1 stop12h 26m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 9/176:05 am
BOS
- BIL
1 stop8h 12m
Delta
Mon 9/2112:57 pm
BIL
- BOS
1 stop8h 56m
Delta
Deal found 6/1![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/184:45 pm
BOS
- BZN
1 stop7h 40m
Southwest
Tue 8/256:55 am
BZN
- BOS
2 stops12h 30m
Southwest
Deal found 5/30![Southwest logo]()
$352
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 9/245:55 am
BOS
- FCA
1 stop9h 40m
Delta
Fri 10/22:30 pm
FCA
- BOS
1 stop7h 29m
Delta
Deal found 6/2![Delta logo]()
$357
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 9/510:33 am
BOS
- BZN
Nonstop5h 02m
Delta
Fri 9/112:00 pm
BZN
- BOS
1 stop9h 06m
Delta
Deal found 6/1![Delta logo]()
$362
This American Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/225:51 am
BOS
- BZN
1 stop8h 31m
American Airlines
Sat 8/296:26 am
BZN
- BOS
1 stop9h 19m
American Airlines
Deal found 6/3![American Airlines logo]()
$367
This Travelocity deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 9/18:43 am
BOS
- BZN
Nonstop4h 59m
Multiple Airlines
Tue 9/83:43 pm
BZN
- BOS
1 stop12h 26m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$368
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 6/3![Delta logo]()
$368
This Alaska Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:59 pm
BOS
- BZN
1 stop15h 55m
Alaska Airlines
Fri 9/183:43 pm
BZN
- BOS
1 stop12h 26m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 9/235:55 am
BOS
- FCA
1 stop9h 40m
Delta
Wed 9/306:10 pm
FCA
- BOS
1 stop10h 20m
Delta
Deal found 6/2![Delta logo]()
$373
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 4, 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 4, 2026.
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 7/35:50 pm
BOS
- BIL
1 stop7h 45m
Delta
Sat 7/116:24 am
BIL
- BOS
1 stop8h 26m
Delta
Deal found 5/31![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:40 am
BOS
- BZN
1 stop7h 05m
Southwest
Tue 8/256:55 am
BZN
- BOS
2 stops12h 30m
Southwest
Deal found 5/30![Southwest logo]()
$372
This Alaska Airlines deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:00 am
BOS
- MSO
1 stop9h 50m
Alaska Airlines
Wed 10/282:06 pm
MSO
- BOS
1 stop7h 48m
Alaska Airlines
Deal found 5/30![Alaska Airlines logo]()
$397
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 8/216:00 am
BOS
- FCA
1 stop7h 27m
United Airlines
Thu 8/274:17 pm
FCA
- BOS
1 stop6h 57m
United Airlines
Deal found 5/31![United Airlines logo]()
$400
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 9/196:05 am
BOS
- HLN
1 stop8h 12m
Delta
Sat 9/2612:57 pm
HLN
- BOS
1 stop8h 56m
Delta
Deal found 6/4![Delta logo]()
$399
This Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/184:45 pm
BOS
- BZN
1 stop7h 40m
Southwest
Mon 8/248:35 am
BZN
- BOS
2 stops11h 15m
Southwest
Deal found 6/3![Southwest logo]()
$417
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 9/89:33 am
BOS
- BZN
2 stops13h 46m
United Airlines
Fri 9/184:25 pm
BZN
- BOS
1 stop11h 37m
United Airlines
Deal found 6/2![United Airlines logo]()
$432
This Alaska Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 9/58:00 am
BOS
- BZN
1 stop14h 45m
Alaska Airlines
Sat 9/122:21 pm
BZN
- BOS
1 stop15h 18m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$437
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 8/187:10 am
BOS
- FCA
1 stop8h 57m
Delta
Tue 8/253:14 pm
FCA
- BOS
1 stop6h 44m
Delta
Deal found 6/2![Delta logo]()
$408
This Alaska Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 11/77:10 am
BOS
- GTF
1 stop11h 07m
Alaska Airlines
Wed 11/114:57 pm
GTF
- BOS
1 stop10h 44m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$466
This Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/143:00 pm
BOS
- BZN
2 stops9h 25m
Southwest
Thu 8/208:35 am
BZN
- BOS
2 stops9h 05m
Southwest
Deal found 6/3![Southwest logo]()
$479
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 9/510:33 am
BOS
- BZN
Nonstop5h 02m
Delta
Sat 9/127:00 pm
BZN
- BOS
1 stop9h 09m
Delta
Deal found 6/1![Delta logo]()
$437
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 10/2812:30 pm
BOS
- BTM
2 stops11h 57m
United Airlines
Sat 10/3110:00 am
BTM
- BOS
1 stop9h 42m
United Airlines
Deal found 6/2![United Airlines logo]()
$484
This Delta deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2310:35 am
BOS
- BZN
Nonstop5h 02m
Delta
Wed 8/263:55 pm
BZN
- BOS
1 stop6h 03m
Delta
Deal found 5/30![Delta logo]()
$437
This United Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/258:39 pm
BOS
- COD
1 stop14h 49m
United Airlines
Tue 7/285:55 pm
COD
- BOS
2 stops13h 34m
United Airlines
Deal found 6/3![United Airlines logo]()
$491
This Alaska Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 8/297:59 pm
BOS
- HLN
1 stop22h 35m
Alaska Airlines
Sat 9/55:11 pm
HLN
- BOS
1 stop21h 27m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$500
This Delta deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 7/32:55 pm
BZN
- BOS
1 stop6h 59m
Delta
Deal found 5/30![Delta logo]()
$437
This United Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/147:19 am
BOS
- BZN
1 stop9h 54m
United Airlines
Sat 7/184:24 pm
BZN
- BOS
1 stop6h 50m
United Airlines
Deal found 6/3![United Airlines logo]()
$505
This Orbitz deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:59 pm
BOS
- GTF
1 stop22h 39m
Alaska Airlines
Sat 8/295:18 pm
GTF
- BOS
2 stops34h 31m
Alaska Airlines
Deal found 5/30![Alaska Airlines logo]()
$506
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 8/86:20 am
BOS
- BZN
1 stop8h 15m
Delta
Sat 8/156:07 am
BZN
- BOS
1 stop8h 58m
Delta
Deal found 5/31![Delta logo]()
$447
This Alaska Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/34:33 pm
BOS
- BZN
2 stops19h 13m
Alaska Airlines
Wed 7/86:03 am
BZN
- BOS
1 stop8h 50m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$507
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 8/188:05 am
BOS
- FCA
1 stop9h 31m
United Airlines
Fri 8/284:17 pm
FCA
- BOS
1 stop6h 57m
United Airlines
Deal found 6/1![United Airlines logo]()
$513
This Alaska Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 9/189:33 am
BOS
- FCA
1 stop29h 55m
Alaska Airlines
Fri 9/258:21 pm
FCA
- BOS
1 stop9h 18m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 10/248:23 pm
BOS
- BTM
1 stop28h 04m
United Airlines
Wed 10/2810:00 am
BTM
- BOS
1 stop7h 59m
United Airlines
Deal found 5/31![United Airlines logo]()
$517
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 8/186:18 pm
BOS
- MSO
1 stop7h 29m
Delta
Tue 8/256:00 am
MSO
- BOS
1 stop6h 02m
Delta
Deal found 6/1![Delta logo]()
$478
This Alaska Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/47:03 am
BOS
- MSO
1 stop11h 06m
Alaska Airlines
Tue 7/145:41 pm
MSO
- BOS
1 stop10h 39m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$524
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 9/236:05 am
BOS
- MSO
1 stop8h 32m
Delta
Wed 9/236:22 pm
MSO
- BOS
1 stop10h 08m
Delta
Deal found 6/1![Delta logo]()
$478
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 9/107:05 am
BOS
- FCA
1 stop10h 12m
United Airlines
Wed 9/163:58 pm
FCA
- BOS
1 stop7h 16m
United Airlines
Deal found 6/2![United Airlines logo]()
$545
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 7/95:55 pm
BOS
- BIL
1 stop7h 35m
Delta
Tue 7/146:24 am
BIL
- BOS
1 stop5h 27m
Delta
Deal found 6/3![Delta logo]()
$489
This Alaska Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 8/267:12 am
BOS
- MSO
1 stop10h 05m
Alaska Airlines
Thu 9/34:16 pm
MSO
- BOS
1 stop20h 12m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$542
Last-minute flights from Boston to MontanaDiscover last-minute flight deals from Boston to Montana. Data last updated June 4, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Montana. Data last updated June 4, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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
Sat 7/46:00 am
BZN
- BOS
1 stop8h 45m
Delta
Deal found 6/1![Delta logo]()
$387
This Cheapflightsfares deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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.
Wed 7/18:48 am
BOS
- BZN
Nonstop4h 59m
JetBlue
Thu 7/3012:37 pm
BZN
- BOS
Nonstop4h 29m
JetBlue
Deal found 6/3![JetBlue logo]()
$400
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 7/35:50 pm
BOS
- BIL
1 stop7h 45m
Delta
Sat 7/116:24 am
BIL
- BOS
1 stop8h 26m
Delta
Deal found 5/31![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 7/33:00 pm
BOS
- FCA
1 stop7h 16m
Delta
Mon 7/273:33 pm
FCA
- BOS
1 stop6h 22m
Delta
Deal found 5/31![Delta logo]()
$357
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 7/42:50 pm
BOS
- BZN
1 stop6h 55m
Delta
Sat 7/116:00 am
BZN
- BOS
1 stop8h 50m
Delta
Deal found 6/1![Delta logo]()
$382
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 7/46:05 am
BOS
- BZN
1 stop7h 57m
United Airlines
Mon 7/134:24 pm
BZN
- BOS
1 stop6h 50m
United Airlines
Deal found 6/1![United Airlines logo]()
$392
This Cheapflightsfares deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 6/3![JetBlue logo]()
$391
This American Airlines deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:00 am
BOS
- BZN
1 stop11h 22m
American Airlines
Wed 7/156:45 am
BZN
- BOS
1 stop10h 35m
American Airlines
Deal found 5/30![American Airlines logo]()
$378
This American Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 7/136:00 am
BOS
- BZN
1 stop11h 22m
American Airlines
Tue 7/215:03 pm
BZN
- BOS
1 stop14h 31m
American Airlines
Deal found 5/31![American Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 7/217:19 am
BOS
- BZN
1 stop9h 54m
United Airlines
Tue 7/288:00 am
BZN
- BOS
1 stop6h 29m
United Airlines
Deal found 6/1![United Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 7/217:00 am
BOS
- BZN
1 stop11h 13m
American Airlines
Tue 7/286:45 am
BZN
- BOS
1 stop10h 35m
American Airlines
Deal found 6/2![American Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 7/217:10 am
BOS
- BZN
1 stop9h 37m
Delta
Tue 7/287:30 pm
BZN
- BOS
1 stop8h 35m
Delta
Deal found 6/2![Delta logo]()
$397
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 4, 2026.
Search for one-way flight options from Boston to Montana. Find affordable one-way fares based on user searches. Data last updated June 4, 2026.
This United Airlines deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:05 am
BOS
- BZN
1 stop9h 18m
United Airlines
Deal found 5/30![United Airlines logo]()
$149
This Cheapflightsfares deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 5/31![JetBlue logo]()
$159
This American Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 6/3![American Airlines logo]()
$164
This United Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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 8/2512:41 pm
BOS
- BZN
2 stops10h 38m
United Airlines
Deal found 6/3![United Airlines logo]()
$169
This American Airlines deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:19 am
BOS
- BZN
1 stop8h 06m
American Airlines
Deal found 5/30![American Airlines logo]()
$174
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 7/46:05 am
BOS
- BZN
2 stops11h 13m
United Airlines
Deal found 6/1![United Airlines logo]()
$179
This American Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 8/245:51 am
BOS
- FCA
1 stop10h 43m
American Airlines
Deal found 6/1![American Airlines logo]()
$179
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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
Deal found 6/2![Delta logo]()
$189
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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
- GTF
2 stops12h 32m
Delta
Deal found 6/3![Delta logo]()
$190
This American Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 8/116:14 am
BOS
- FCA
1 stop8h 28m
American Airlines
Deal found 6/4![American Airlines logo]()
$195
This Cheapflightsfares deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 7/148:43 am
BOS
- BZN
Nonstop4h 59m
JetBlue
Deal found 6/2![JetBlue logo]()
$198
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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 7/295:55 pm
BOS
- BZN
1 stop7h 57m
Delta
Deal found 6/2![Delta logo]()
$199
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 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $337 (American Airlines) |
One-way from | $149 (United Airlines) |
Popular in | December |
Cheapest in | November |
Average price | $467 |
Good round-trip deal | $437 or less |
Good one-way deal | $208 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 4, 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
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Fri 7/3
5:50 pm-11:35 pm
1 stop7h 45m
Billings Logan Intl
Sat 7/11
6:24 am-4:50 pm
1 stop8h 26m
$349
BostonBozeman
BOS - BZN
BOSBZN
Boston Logan Intl
Mon 8/17
5:40 am-10:45 am
1 stop7h 05m
Bozeman Gallatin Field
Tue 8/25
6:55 am-9:25 pm
2 stops12h 30m
$372
BostonMissoula
BOS - MSO
BOSMSO
Boston Logan Intl
Sat 10/24
7:00 am-2:50 pm
1 stop9h 50m
Missoula Johnson-Bell Field
Wed 10/28
2:06 pm-11:54 pm
1 stop7h 48m
$397
BostonHelena
BOS - HLN
BOSHLN
Boston Logan Intl
Sat 9/19
6:05 am-12:17 pm
1 stop8h 12m
Helena
Sat 9/26
12:57 pm-11:53 pm
1 stop8h 56m
$399
BostonKalispell
BOS - FCA
BOSFCA
Boston Logan Intl
Fri 8/21
6:00 am-11:27 am
1 stop7h 27m
Kalispell Glacier Park
Thu 8/27
4:17 pm-1:14 am
1 stop6h 57m
$400
BostonKalispell
BOS - FCA
BOSFCA
Boston Logan Intl
Tue 8/18
7:10 am-2:07 pm
1 stop8h 57m
Kalispell Glacier Park
Tue 8/25
3:14 pm-11:58 pm
1 stop6h 44m
$408
BostonBozeman
BOS - BZN
BOSBZN
Boston Logan Intl
Tue 8/18
4:45 pm-10:25 pm
1 stop7h 40m
Bozeman Gallatin Field
Mon 8/24
8:35 am-9:50 pm
2 stops11h 15m
$417
BostonBozeman
BOS - BZN
BOSBZN
Boston Logan Intl
Tue 9/8
9:33 am-9:19 pm
2 stops13h 46m
Bozeman Gallatin Field
Fri 9/18
4:25 pm-6:02 am
1 stop11h 37m
$432
BostonBozeman
BOS - BZN
BOSBZN
Boston Logan Intl
Sat 9/5
8:00 am-8:45 pm
1 stop14h 45m
Bozeman Gallatin Field
Sat 9/12
2:21 pm-7:39 am
1 stop15h 18m
$437
BostonBozeman
BOS - BZN
BOSBZN
Boston Logan Intl
Sat 9/5
10:33 am-1:35 pm
Nonstop5h 02m
Bozeman Gallatin Field
Sat 9/12
7:00 pm-6:09 am
1 stop9h 09m
$437
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-BIL
BOS-FCA
BOS-BZN
BOS-MSO
BOS-HLN
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-BIL
BOS-FCA
BOS-BZN
BOS-MSO
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 $1,061). 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 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 4, 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.
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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
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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 June 4, 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 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$153 | Average$468 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$177 | Average$506 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$234 | Average$449 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$237 | Average$575 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$263 | Average$510 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$284 | Average$497 | FlexibilityNo cancel fee | On-time75% |