$154+ 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BZN
Jun 6 — Jun 131
Round-trip
1 adult, Economy
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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 May 7, 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 May 7, 2026.
This United Airlines deal was found by Cheapflights users on 5/3. 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 6/23:08 pm
BOS
- BZN
1 stop9h 35m
United Airlines
Tue 6/94:25 pm
BZN
- BOS
1 stop6h 49m
United Airlines
Deal found 5/3![United Airlines logo]()
$327
This American Airlines deal was found by Cheapflights users on 5/3. 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 7/218:19 am
BOS
- BZN
2 stops9h 54m
American Airlines
Tue 7/286:44 am
BZN
- BOS
1 stop10h 36m
American Airlines
Deal found 5/3![American Airlines logo]()
$332
This Delta deal was found by Cheapflights users on 5/4. 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.
Fri 5/296:10 am
BOS
- WYS
1 stop8h 15m
Delta
Tue 6/21:10 pm
WYS
- BOS
1 stop8h 48m
Delta
Deal found 5/4![Delta logo]()
$334
This JetBlue deal was found by Cheapflights users on 5/2. 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 JetBlue 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
Thu 6/1812:42 pm
BZN
- BOS
Nonstop4h 29m
JetBlue
Deal found 5/2![JetBlue logo]()
$337
This American Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 9/111:55 am
BZN
- BOS
1 stop8h 11m
American Airlines
Deal found 5/5![American Airlines logo]()
$342
This Flysmarter deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 5/6![JetBlue logo]()
$343
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 5/266:16 pm
BOS
- BIL
1 stop6h 58m
Delta
Wed 6/106:40 pm
BIL
- BOS
1 stop9h 25m
Delta
Deal found 5/5![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 6/96:05 am
BOS
- BZN
1 stop7h 13m
Delta
Sun 6/141:58 pm
BZN
- BOS
Nonstop4h 27m
Delta
Deal found 5/6![Delta logo]()
$352
This Delta deal was found by Cheapflights users on 5/4. 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.
Thu 8/207:12 am
BOS
- BZN
1 stop9h 25m
Delta
Sat 8/296:07 am
BZN
- BOS
1 stop8h 58m
Delta
Deal found 5/4![Delta logo]()
$357
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 5/285:51 am
BOS
- FCA
1 stop9h 42m
Delta
Sat 6/62:30 pm
FCA
- BOS
1 stop7h 24m
Delta
Deal found 5/5![Delta logo]()
$357
This Expedia deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:43 am
BOS
- BZN
Nonstop4h 59m
Multiple Airlines
Fri 9/119:20 am
BZN
- BOS
1 stop18h 29m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am
BOS
- GTF
1 stop8h 23m
Delta
Tue 9/226:20 pm
GTF
- BOS
1 stop9h 49m
Delta
Deal found 5/6![Delta logo]()
$358
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 May 7, 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 May 7, 2026.
This United Airlines deal was found by Cheapflights users on 5/2. 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 6/16:00 am
BOS
- BZN
1 stop7h 44m
United Airlines
Mon 6/84:25 pm
BZN
- BOS
1 stop6h 49m
United Airlines
Deal found 5/2![United Airlines logo]()
$342
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/223:05 pm
BOS
- BIL
1 stop6h 32m
Delta
Fri 10/26:25 pm
BIL
- BOS
1 stop9h 44m
Delta
Deal found 5/5![Delta logo]()
$349
This Alaska Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 5/277:20 am
BOS
- FCA
1 stop10h 14m
Alaska Airlines
Fri 5/295:40 pm
FCA
- BOS
1 stop12h 01m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$357
This Southwest deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 8/145:40 am
BOS
- BZN
1 stop7h 05m
Southwest
Mon 8/173:30 pm
BZN
- BOS
1 stop7h 00m
Southwest
Deal found 5/6![Southwest logo]()
$387
This Delta deal was found by Cheapflights users on 5/4. 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.
Thu 8/277:55 am
BOS
- BIL
2 stops11h 58m
Delta
Sun 8/306:34 pm
BIL
- BOS
1 stop9h 56m
Delta
Deal found 5/4![Delta logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 5/2. 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.
Fri 6/57:11 pm
BOS
- FCA
1 stop17h 40m
Alaska Airlines
Wed 6/102:10 pm
FCA
- BOS
1 stop13h 30m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 5/3. 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.
Sat 7/256:05 am
BOS
- BIL
2 stops13h 47m
Delta
Tue 8/46:34 pm
BIL
- BOS
1 stop9h 56m
Delta
Deal found 5/3![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 5/2. 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 9/87:35 am
BOS
- FCA
2 stops10h 18m
United Airlines
Wed 9/94:08 pm
FCA
- BOS
1 stop6h 57m
United Airlines
Deal found 5/2![United Airlines logo]()
$393
This Southwest deal was found by Cheapflights users on 5/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:00 am
BOS
- BZN
1 stop7h 40m
Southwest
Mon 10/267:10 am
BZN
- BOS
2 stops8h 50m
Southwest
Deal found 5/2![Southwest logo]()
$426
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 8/233:05 pm
BOS
- BIL
2 stops10h 08m
Delta
Sat 8/295:10 am
BIL
- BOS
2 stops9h 55m
Delta
Deal found 5/5![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 9/13:15 pm
BOS
- GTF
1 stop8h 13m
United Airlines
Tue 9/222:31 pm
GTF
- BOS
1 stop7h 11m
United Airlines
Deal found 5/6![United Airlines logo]()
$424
This Expedia deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:09 am
BOS
- HLN
1 stop11h 32m
Alaska Airlines
Sun 9/205:18 pm
HLN
- BOS
1 stop12h 21m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 5/3. 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 6/21:29 pm
BOS
- FCA
2 stops11h 45m
Delta
Tue 6/912:22 pm
FCA
- BOS
1 stop9h 27m
Delta
Deal found 5/3![Delta logo]()
$362
This Southwest deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 7/45:15 am
BOS
- BZN
2 stops10h 15m
Southwest
Wed 7/86:40 am
BZN
- BOS
2 stops9h 05m
Southwest
Deal found 5/6![Southwest logo]()
$457
This Alaska Airlines deal was found by Cheapflights users on 5/3. 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.
Mon 9/79:30 am
BOS
- BZN
1 stop29h 54m
Alaska Airlines
Fri 9/189:20 am
BZN
- BOS
1 stop18h 29m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$427
This United Airlines deal was found by Cheapflights users on 5/2. 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 6/19:40 am
BOS
- COD
1 stop9h 40m
United Airlines
Mon 6/85:55 pm
COD
- BOS
1 stop10h 03m
United Airlines
Deal found 5/2![United Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 5/4. 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.
Fri 6/127:15 am
BOS
- FCA
2 stops12h 15m
Delta
Tue 6/1612:22 pm
FCA
- BOS
1 stop9h 27m
Delta
Deal found 5/4![Delta logo]()
$362
This Southwest deal was found by Cheapflights users on 5/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/145:50 am
BOS
- BZN
2 stops9h 50m
Southwest
Tue 6/233:55 pm
BZN
- BOS
1 stop6h 50m
Southwest
Deal found 5/2![Southwest logo]()
$460
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 9/27:10 am
BOS
- BIL
2 stops12h 38m
Delta
Tue 9/2211:35 am
BIL
- BOS
2 stops11h 31m
Delta
Deal found 5/6![Delta logo]()
$373
This United Airlines deal was found by Cheapflights users on 5/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:44 am
BOS
- BZN
2 stops12h 23m
United Airlines
Fri 10/3010:41 am
BZN
- BOS
2 stops12h 21m
United Airlines
Deal found 5/4![United Airlines logo]()
$468
This Delta deal was found by Cheapflights users on 5/2. 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.
Sat 9/128:15 am
BOS
- BTM
2 stops10h 50m
Delta
Sat 9/196:10 pm
BTM
- BOS
1 stop9h 59m
Delta
Deal found 5/2![Delta logo]()
$374
This Alaska Airlines deal was found by Cheapflights users on 5/3. 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.
Tue 6/27:20 am
BOS
- HLN
1 stop10h 46m
Alaska Airlines
Fri 6/54:43 pm
HLN
- BOS
2 stops22h 25m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$513
This United Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 6/38:15 am
BOS
- BZN
2 stops9h 12m
United Airlines
Wed 6/104:25 pm
BZN
- BOS
1 stop6h 49m
United Airlines
Deal found 5/5![United Airlines logo]()
$483
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:10 am
BOS
- BTM
2 stops11h 55m
Delta
Sat 9/266:10 pm
BTM
- BOS
1 stop9h 59m
Delta
Deal found 5/6![Delta logo]()
$374
This Alaska Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 9/167:09 am
BOS
- HLN
1 stop11h 32m
Alaska Airlines
Thu 9/245:18 pm
HLN
- BOS
1 stop28h 39m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$551
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 5/268:50 am
BOS
- BIL
2 stops10h 49m
Delta
Tue 6/26:19 pm
BIL
- BOS
1 stop10h 01m
Delta
Deal found 5/6![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 5/2. 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 5/1911:27 am
BOS
- MSO
2 stops12h 03m
United Airlines
Sat 5/2312:33 pm
MSO
- BOS
1 stop7h 23m
United Airlines
Deal found 5/2![United Airlines logo]()
$514
This Alaska Airlines deal was found by Cheapflights users on 5/2. 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.
Tue 10/279:00 am
BOS
- GTF
1 stop9h 35m
Alaska Airlines
Sat 10/315:15 pm
GTF
- BOS
1 stop12h 14m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$561
This United Airlines deal was found by Cheapflights users on 5/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:00 am
BOS
- WYS
3 stops12h 07m
United Airlines
Wed 9/22:02 pm
WYS
- BOS
2 stops9h 03m
United Airlines
Deal found 5/4![United Airlines logo]()
$515
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 8/187:12 am
BOS
- BZN
1 stop9h 25m
Delta
Sat 8/226:07 am
BZN
- BOS
1 stop8h 58m
Delta
Deal found 5/6![Delta logo]()
$387
Last-minute flights from Boston to MontanaDiscover last-minute flight deals from Boston to Montana. Data last updated May 7, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Montana. Data last updated May 7, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 5/266:16 pm
BOS
- BIL
1 stop6h 58m
Delta
Wed 6/106:40 pm
BIL
- BOS
1 stop9h 25m
Delta
Deal found 5/5![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 5/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:05 pm
BOS
- BZN
1 stop7h 38m
United Airlines
Tue 6/24:25 pm
BZN
- BOS
1 stop6h 49m
United Airlines
Deal found 5/4![United Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 5/285:51 am
BOS
- FCA
1 stop9h 42m
Delta
Fri 6/52:30 pm
FCA
- BOS
1 stop7h 24m
Delta
Deal found 5/5![Delta logo]()
$357
This Delta deal was found by Cheapflights users on 5/4. 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.
Fri 5/296:10 am
BOS
- WYS
1 stop8h 15m
Delta
Tue 6/21:10 pm
WYS
- BOS
1 stop8h 48m
Delta
Deal found 5/4![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 5/291:29 pm
BOS
- FCA
2 stops11h 45m
Delta
Sat 6/62:30 pm
FCA
- BOS
1 stop7h 24m
Delta
Deal found 5/5![Delta logo]()
$362
This United Airlines deal was found by Cheapflights users on 5/3. 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 6/23:08 pm
BOS
- BZN
1 stop9h 35m
United Airlines
Tue 6/94:25 pm
BZN
- BOS
1 stop6h 49m
United Airlines
Deal found 5/3![United Airlines logo]()
$327
This American Airlines deal was found by Cheapflights users on 5/2. 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 6/28:00 am
BOS
- BZN
1 stop9h 53m
American Airlines
Thu 6/116:45 am
BZN
- BOS
1 stop8h 22m
American Airlines
Deal found 5/2![American Airlines logo]()
$342
This Delta deal was found by Cheapflights users on 5/3. 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 6/46:10 am
BOS
- BTM
1 stop10h 30m
Delta
Wed 6/106:10 pm
BTM
- BOS
1 stop9h 55m
Delta
Deal found 5/3![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 6/96:05 am
BOS
- BZN
1 stop7h 13m
Delta
Sun 6/141:58 pm
BZN
- BOS
Nonstop4h 27m
Delta
Deal found 5/6![Delta logo]()
$352
This Delta deal was found by Cheapflights users on 5/2. 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 6/95:55 am
BOS
- BZN
1 stop6h 27m
Delta
Sat 6/1312:16 pm
BZN
- BOS
Nonstop4h 29m
Delta
Deal found 5/2![Delta logo]()
$362
This JetBlue deal was found by Cheapflights users on 5/2. 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 JetBlue 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
Thu 6/1812:42 pm
BZN
- BOS
Nonstop4h 29m
JetBlue
Deal found 5/2![JetBlue logo]()
$337
This Flysmarter deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 5/6![JetBlue logo]()
$343
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 May 7, 2026.
Search for one-way flight options from Boston to Montana. Find affordable one-way fares based on user searches. Data last updated May 7, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 6/168:48 am
BOS
- BZN
Nonstop4h 59m
JetBlue
Deal found 5/6![JetBlue logo]()
$154
This JetBlue deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 7/288:43 am
BOS
- BZN
Nonstop4h 59m
JetBlue
Deal found 5/5![JetBlue logo]()
$159
This American Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 6/166:00 am
BOS
- BZN
1 stop11h 25m
American Airlines
Deal found 5/6![American Airlines logo]()
$164
This United Airlines deal was found by Cheapflights users on 5/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:51 am
BOS
- BZN
1 stop9h 32m
United Airlines
Deal found 5/4![United Airlines logo]()
$179
This American Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 5/295:05 am
BOS
- FCA
1 stop9h 30m
American Airlines
Deal found 5/6![American Airlines logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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.
Wed 5/2712:01 pm
BOS
- BZN
3 stops29h 44m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$183
This American Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 8/208:15 am
BOS
- BZN
1 stop9h 10m
American Airlines
Deal found 5/6![American Airlines logo]()
$184
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 8/245:30 am
BOS
- GTF
2 stops14h 12m
Delta
Deal found 5/5![Delta logo]()
$185
This American Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 6/22:27 pm
BOS
- BZN
1 stop8h 17m
American Airlines
Deal found 5/6![American Airlines logo]()
$194
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 6/106:05 am
BOS
- HLN
1 stop8h 15m
Delta
Deal found 5/5![Delta logo]()
$195
This American Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 5/246:00 am
BOS
- FCA
1 stop11h 00m
American Airlines
Deal found 5/5![American Airlines logo]()
$195
This Delta deal was found by Cheapflights users on 5/4. 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.
Wed 7/18:43 am
BOS
- BZN
Nonstop5h 04m
Delta
Deal found 5/4![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 May 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $327 (American Airlines) |
One-way from | $154 (Cheapflightsfares) |
Popular in | December |
Cheapest in | November |
Average price | $450 |
Good round-trip deal | $412 or less |
Good one-way deal | $173 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 May 7, 2026.
Use the filters below to find and compare flights from Boston to Montana that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonBozeman
BOS - BZN
BOSBZN
Boston Logan Intl
Mon 6/1
6:00 am-11:44 am
1 stop7h 44m
Bozeman Gallatin Field
Mon 6/8
4:25 pm-1:14 am
1 stop6h 49m
$342
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Tue 9/22
3:05 pm-7:37 pm
1 stop6h 32m
Billings Logan Intl
Fri 10/2
6:25 pm-6:09 am
1 stop9h 44m
$349
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Thu 8/27
7:55 am-5:53 pm
2 stops11h 58m
Billings Logan Intl
Sun 8/30
6:34 pm-6:30 am
1 stop9h 56m
$354
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Sat 7/25
6:05 am-5:52 pm
2 stops13h 47m
Billings Logan Intl
Tue 8/4
6:34 pm-6:30 am
1 stop9h 56m
$354
BostonKalispell
BOS - FCA
BOSFCA
Boston Logan Intl
Wed 5/27
7:20 am-3:34 pm
1 stop10h 14m
Kalispell Glacier Park
Fri 5/29
5:40 pm-7:41 am
1 stop12h 01m
$357
BostonKalispell
BOS - FCA
BOSFCA
Boston Logan Intl
Fri 6/5
7:11 pm-10:51 am
1 stop17h 40m
Kalispell Glacier Park
Wed 6/10
2:10 pm-5:40 am
1 stop13h 30m
$357
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Sun 8/23
3:05 pm-11:13 pm
2 stops10h 08m
Billings Logan Intl
Sat 8/29
5:10 am-5:05 pm
2 stops9h 55m
$359
BostonKalispell
BOS - FCA
BOSFCA
Boston Logan Intl
Tue 6/2
1:29 pm-11:14 pm
2 stops11h 45m
Kalispell Glacier Park
Tue 6/9
12:22 pm-11:49 pm
1 stop9h 27m
$362
BostonKalispell
BOS - FCA
BOSFCA
Boston Logan Intl
Fri 6/12
7:15 am-5:30 pm
2 stops12h 15m
Kalispell Glacier Park
Tue 6/16
12:22 pm-11:49 pm
1 stop9h 27m
$362
BostonBillings
BOS - BIL
BOSBIL
Boston Logan Intl
Wed 9/2
7:10 am-5:48 pm
2 stops12h 38m
Billings Logan Intl
Tue 9/22
11:35 am-1:06 am
2 stops11h 31m
$373
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-WYS
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-WYS
BOS-BIL
BOS-FCA
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 May 7, 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
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
7.9
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 May 7, 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 May 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$148 | Average$442 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$174 | Average$525 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$234 | Average$451 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$237 | Average$585 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$261 | Average$499 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$290 | Average$492 | FlexibilityNo cancel fee | On-time75% |