$164+ 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BZN
May 28 — Jun 41
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 April 28, 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 April 28, 2026.
This Southwest deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 8/181:05 pm
BOS
- BZN
2 stops8h 55m
Southwest
Mon 8/242:30 pm
BZN
- BOS
1 stop13h 30m
Southwest
Deal found 4/23![Southwest logo]()
$301
This Southwest deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 8/199:25 am
BOS
- BZN
1 stop7h 15m
Southwest
Tue 8/256:55 am
BZN
- BOS
2 stops12h 30m
Southwest
Deal found 4/23![Southwest logo]()
$320
This Southwest deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/94:45 pm
BOS
- BZN
1 stop7h 55m
Southwest
Tue 6/162:35 pm
BZN
- BOS
1 stop8h 10m
Southwest
Deal found 4/26![Southwest logo]()
$327
This American Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 8/257:00 am
BOS
- BZN
2 stops10h 50m
American Airlines
Tue 9/111:55 am
BZN
- BOS
1 stop8h 11m
American Airlines
Deal found 4/24![American Airlines logo]()
$332
This American Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:45 am
BOS
- BZN
1 stop10h 40m
American Airlines
Tue 9/112:55 pm
BZN
- BOS
1 stop9h 04m
American Airlines
Deal found 4/27![American Airlines logo]()
$342
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:16 pm
BOS
- BIL
1 stop6h 58m
Delta
Mon 6/16:19 pm
BIL
- BOS
1 stop10h 01m
Delta
Deal found 4/25![Delta logo]()
$349
This Flysmarter deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/148:48 am
BOS
- BZN
Nonstop4h 59m
JetBlue
Tue 6/2312:42 pm
BZN
- BOS
Nonstop4h 29m
JetBlue
Deal found 4/23![JetBlue logo]()
$352
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/262:33 pm
BOS
- BIL
2 stops10h 41m
Delta
Wed 6/106:40 pm
BIL
- BOS
1 stop9h 25m
Delta
Deal found 4/27![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:10 am
BOS
- WYS
1 stop8h 15m
Delta
Mon 6/81:10 pm
WYS
- BOS
1 stop8h 39m
Delta
Deal found 4/27![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 8/196:55 am
BOS
- BZN
1 stop8h 11m
Delta
Tue 8/257:00 pm
BZN
- BOS
1 stop9h 09m
Delta
Deal found 4/23![Delta logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 5/237:11 pm
BOS
- FCA
1 stop17h 40m
Alaska Airlines
Sat 5/304:14 pm
FCA
- BOS
1 stop12h 06m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/32:33 pm
BOS
- BIL
2 stops10h 41m
Delta
Tue 6/911:50 am
BIL
- BOS
2 stops11h 41m
Delta
Deal found 4/26![Delta 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 April 28, 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 April 28, 2026.
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:16 pm
BOS
- BIL
1 stop6h 58m
Delta
Mon 6/16:19 pm
BIL
- BOS
1 stop10h 01m
Delta
Deal found 4/25![Delta logo]()
$349
This Alaska Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 5/237:11 pm
BOS
- FCA
1 stop17h 40m
Alaska Airlines
Sat 5/304:14 pm
FCA
- BOS
1 stop12h 06m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$357
This Southwest deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/92:30 pm
BOS
- BZN
2 stops10h 10m
Southwest
Tue 6/162:35 pm
BZN
- BOS
1 stop8h 10m
Southwest
Deal found 4/26![Southwest logo]()
$387
This United Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/83:00 pm
BOS
- BZN
1 stop9h 38m
United Airlines
Tue 5/126:30 am
BZN
- BOS
1 stop7h 10m
United Airlines
Deal found 4/25![United Airlines logo]()
$437
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/32:33 pm
BOS
- BIL
2 stops10h 41m
Delta
Tue 6/96:40 pm
BIL
- BOS
1 stop9h 25m
Delta
Deal found 4/26![Delta logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:00 am
BOS
- BZN
1 stop9h 12m
Alaska Airlines
Sat 6/68:00 am
BZN
- BOS
1 stop13h 59m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$387
This Southwest deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:30 am
BOS
- BZN
1 stop7h 25m
Southwest
Sun 8/3012:05 pm
BZN
- BOS
1 stop15h 55m
Southwest
Deal found 4/23![Southwest logo]()
$394
This Delta deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 6/67:48 am
BOS
- BZN
1 stop9h 27m
Delta
Sun 6/141:58 pm
BZN
- BOS
Nonstop4h 27m
Delta
Deal found 4/24![Delta logo]()
$362
This Alaska Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:00 am
BOS
- BIL
1 stop10h 54m
Alaska Airlines
Mon 6/87:21 pm
BIL
- BOS
1 stop10h 20m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 5/99:15 am
BOS
- WYS
1 stop8h 52m
United Airlines
Wed 5/132:03 pm
WYS
- BOS
1 stop7h 56m
United Airlines
Deal found 4/24![United Airlines logo]()
$456
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 6/46:10 am
BOS
- BTM
1 stop10h 30m
Delta
Mon 6/86:10 pm
BTM
- BOS
1 stop9h 55m
Delta
Deal found 4/23![Delta logo]()
$384
This Southwest deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:40 am
BOS
- BZN
2 stops9h 55m
Southwest
Mon 10/267:10 am
BZN
- BOS
2 stops8h 50m
Southwest
Deal found 4/25![Southwest logo]()
$447
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:45 am
BOS
- COD
1 stop7h 34m
United Airlines
Tue 6/95:55 pm
COD
- BOS
1 stop10h 03m
United Airlines
Deal found 4/27![United Airlines logo]()
$458
This Alaska Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:11 pm
BOS
- FCA
1 stop17h 40m
Alaska Airlines
Sun 5/174:14 pm
FCA
- BOS
1 stop12h 06m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 6/46:10 am
BOS
- BTM
1 stop10h 30m
Delta
Wed 6/106:10 pm
BTM
- BOS
1 stop9h 55m
Delta
Deal found 4/23![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 6/46:10 am
BOS
- BTM
1 stop10h 30m
Delta
Tue 6/96:10 pm
BTM
- BOS
1 stop9h 55m
Delta
Deal found 4/23![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:00 am
BOS
- FCA
1 stop7h 29m
United Airlines
Tue 6/212:35 pm
FCA
- BOS
1 stop8h 41m
United Airlines
Deal found 4/27![United Airlines logo]()
$467
This Southwest deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/175:30 pm
BOS
- BZN
1 stop8h 00m
Southwest
Sun 7/1912:10 pm
BZN
- BOS
1 stop8h 50m
Southwest
Deal found 4/27![Southwest logo]()
$480
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:30 pm
BOS
- BIL
2 stops10h 07m
Delta
Sun 8/306:25 pm
BIL
- BOS
1 stop9h 44m
Delta
Deal found 4/25![Delta logo]()
$387
This Alaska Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:11 pm
BOS
- HLN
1 stop22h 55m
Alaska Airlines
Sat 5/234:43 pm
HLN
- BOS
2 stops22h 25m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$476
This United Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:08 pm
BOS
- BTM
1 stop7h 19m
United Airlines
Tue 9/2910:00 am
BTM
- BOS
1 stop17h 58m
United Airlines
Deal found 4/25![United Airlines logo]()
$509
This Alaska Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/114:33 pm
BOS
- FCA
1 stop9h 18m
Alaska Airlines
Fri 5/155:40 pm
FCA
- BOS
1 stop12h 01m
Alaska Airlines
Deal found 4/26![Alaska Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 6/22:33 pm
BOS
- MSO
2 stops11h 07m
Delta
Sat 6/66:05 pm
MSO
- BOS
1 stop10h 15m
Delta
Deal found 4/24![Delta logo]()
$402
This United Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:00 am
BOS
- FCA
2 stops12h 32m
United Airlines
Tue 9/154:08 pm
FCA
- BOS
1 stop6h 57m
United Airlines
Deal found 4/24![United Airlines logo]()
$518
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/57:15 am
BOS
- BZN
1 stop9h 33m
Delta
Fri 7/106:00 am
BZN
- BOS
2 stops15h 31m
Delta
Deal found 4/27![Delta logo]()
$405
This Alaska Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:00 am
BOS
- BIL
1 stop10h 54m
Alaska Airlines
Sun 5/312:01 pm
BIL
- BOS
2 stops25h 07m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$516
This United Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:15 pm
BOS
- BTM
1 stop9h 12m
United Airlines
Mon 9/2810:00 am
BTM
- BOS
1 stop9h 42m
United Airlines
Deal found 4/25![United Airlines logo]()
$524
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:10 am
BOS
- GTF
1 stop8h 17m
Delta
Sun 5/176:19 pm
GTF
- BOS
1 stop10h 01m
Delta
Deal found 4/27![Delta logo]()
$408
This Alaska Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:09 am
BOS
- HLN
1 stop11h 32m
Alaska Airlines
Mon 9/285:18 pm
HLN
- BOS
1 stop28h 39m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$516
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:10 am
BOS
- BTM
1 stop10h 30m
Delta
Sun 5/243:15 pm
BTM
- BOS
1 stop6h 43m
Delta
Deal found 4/26![Delta logo]()
$409
Last-minute flights from Boston to MontanaDiscover last-minute flight deals from Boston to Montana. Data last updated April 28, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Montana. Data last updated April 28, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/124:33 pm
BOS
- FCA
1 stop9h 18m
Alaska Airlines
Sat 5/165:40 pm
FCA
- BOS
1 stop12h 01m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/132:33 pm
BOS
- BIL
2 stops10h 41m
Delta
Tue 5/196:30 am
BIL
- BOS
2 stops9h 25m
Delta
Deal found 4/26![Delta logo]()
$384
This Alaska Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 5/237:11 pm
BOS
- FCA
1 stop17h 40m
Alaska Airlines
Sat 5/304:14 pm
FCA
- BOS
1 stop12h 06m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$357
This American Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:30 am
BOS
- FCA
2 stops11h 33m
American Airlines
Sat 5/301:26 pm
FCA
- BOS
1 stop8h 49m
American Airlines
Deal found 4/27![American Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:10 am
BOS
- HLN
1 stop8h 13m
Delta
Sun 5/241:03 pm
HLN
- BOS
1 stop8h 55m
Delta
Deal found 4/26![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/262:33 pm
BOS
- BIL
2 stops10h 41m
Delta
Wed 6/106:40 pm
BIL
- BOS
1 stop9h 25m
Delta
Deal found 4/27![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 5/266:00 am
BOS
- BZN
1 stop7h 44m
United Airlines
Wed 6/34:20 pm
BZN
- BOS
1 stop6h 39m
United Airlines
Deal found 4/23![United Airlines logo]()
$368
This American Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 5/267:00 am
BOS
- BZN
1 stop10h 53m
American Airlines
Wed 6/31:22 pm
BZN
- BOS
1 stop8h 53m
American Airlines
Deal found 4/24![American Airlines logo]()
$378
This Alaska Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 5/266:00 am
BOS
- FCA
1 stop13h 00m
Alaska Airlines
Sat 5/304:14 pm
FCA
- BOS
1 stop12h 06m
Alaska Airlines
Deal found 4/24![Alaska Airlines logo]()
$390
This American Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/278:00 am
BOS
- FCA
2 stops10h 03m
American Airlines
Wed 6/312:25 pm
FCA
- BOS
2 stops10h 15m
American Airlines
Deal found 4/27![American Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 5/273:55 pm
BOS
- BZN
1 stop9h 26m
Delta
Mon 6/812:13 pm
BZN
- BOS
1 stop9h 36m
Delta
Deal found 4/23![Delta logo]()
$387
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:16 pm
BOS
- BIL
1 stop6h 58m
Delta
Mon 6/16:19 pm
BIL
- BOS
1 stop10h 01m
Delta
Deal found 4/25![Delta logo]()
$349
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 April 28, 2026.
Search for one-way flight options from Boston to Montana. Find affordable one-way fares based on user searches. Data last updated April 28, 2026.
This United Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/23:08 pm
BOS
- BZN
1 stop9h 30m
United Airlines
Deal found 4/25![United Airlines logo]()
$164
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 6/138:15 am
BOS
- BZN
Nonstop5h 06m
Delta
Deal found 4/23![Delta logo]()
$169
This Travelocity deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:00 am
BOS
- BIL
1 stop10h 54m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$175
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:35 am
BOS
- BZN
2 stops9h 38m
United Airlines
Deal found 4/27![United Airlines logo]()
$178
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 8/206:00 am
BOS
- BZN
1 stop10h 46m
Delta
Deal found 4/23![Delta logo]()
$179
This American Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:00 am
BOS
- FCA
1 stop7h 35m
American Airlines
Deal found 4/27![American Airlines logo]()
$179
This Orbitz deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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.
Thu 5/287:11 pm
BOS
- BIL
1 stop20h 10m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$180
This American Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:00 am
BOS
- BZN
1 stop10h 25m
American Airlines
Deal found 4/27![American Airlines logo]()
$184
This American Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 5/265:05 am
BOS
- BIL
1 stop9h 07m
American Airlines
Deal found 4/23![American Airlines logo]()
$188
This JetBlue deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 7/218:43 am
BOS
- BZN
Nonstop4h 59m
JetBlue
Deal found 4/23![JetBlue logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/29:12 am
BOS
- BZN
2 stops36h 18m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$192
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/262:33 pm
BOS
- BIL
2 stops10h 41m
Delta
Deal found 4/26![Delta logo]()
$193
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 April 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $327 (Southwest) |
One-way from | $164 (United Airlines) |
Popular in | December |
Cheapest in | November |
Average price | $461 |
Good round-trip deal | $392 or less |
Good one-way deal | $178 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 April 28, 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
Thu 5/28
6:16 pm-11:14 pm
1 stop6h 58m
Billings Logan Intl
Mon 6/1
6:19 pm-6:20 am
1 stop10h 01m
$349
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Wed 6/3
2:33 pm-11:14 pm
2 stops10h 41m
Billings Logan Intl
Tue 6/9
6:40 pm-6:05 am
1 stop9h 25m
$354
BostonKalispell
BOS - FCA
BOSFCA
Boston Logan Intl
Sat 5/23
7:11 pm-10:51 am
1 stop17h 40m
Kalispell Glacier Park
Sat 5/30
4:14 pm-6:20 am
1 stop12h 06m
$357
Quickest round-trip
BostonBozeman
BOS - BZN
BOSBZN
Boston Logan Intl
Sat 6/6
7:48 am-3:15 pm
1 stop9h 27m
Bozeman Gallatin Field
Sun 6/14
1:58 pm-8:25 pm
Nonstop4h 27m
$362
BostonButte
BOS - BTM
BOSBTM
Boston Logan Intl
Thu 6/4
6:10 am-2:40 pm
1 stop10h 30m
Butte Silver Bow Co
Mon 6/8
6:10 pm-6:05 am
1 stop9h 55m
$384
BostonButte
BOS - BTM
BOSBTM
Boston Logan Intl
Thu 6/4
6:10 am-2:40 pm
1 stop10h 30m
Butte Silver Bow Co
Wed 6/10
6:10 pm-6:05 am
1 stop9h 55m
$384
BostonButte
BOS - BTM
BOSBTM
Boston Logan Intl
Thu 6/4
6:10 am-2:40 pm
1 stop10h 30m
Butte Silver Bow Co
Tue 6/9
6:10 pm-6:05 am
1 stop9h 55m
$384
BostonBozeman
BOS - BZN
BOSBZN
Boston Logan Intl
Tue 6/9
2:30 pm-10:40 pm
2 stops10h 10m
Bozeman Gallatin Field
Tue 6/16
2:35 pm-12:45 am
1 stop8h 10m
$387
BostonBozeman
BOS - BZN
BOSBZN
Boston Logan Intl
Sat 5/30
6:00 am-1:12 pm
1 stop9h 12m
Bozeman Gallatin Field
Sat 6/6
8:00 am-11:59 pm
1 stop13h 59m
$387
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Thu 8/27
2:30 pm-10:37 pm
2 stops10h 07m
Billings Logan Intl
Sun 8/30
6:25 pm-6:09 am
1 stop9h 44m
$387
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-WYS
BOS-BTM
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-WYS
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 53 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.
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 June is currently the most expensive (average of $1,191). 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?
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 April 28, 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.
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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.
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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 April 28, 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 April 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$148 | Average$439 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$173 | Average$509 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$234 | Average$451 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$237 | Average$584 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$261 | Average$503 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$290 | Average$492 | FlexibilityNo cancel fee | On-time75% |