$182+ Cheap flights from Portland, ME (PWM) 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BZN
Aug 1 — Aug 81
Round-trip
1 adult, Economy
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Cheapest flights from Portland to MontanaExplore the most affordable flight options available from Portland to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2026.
Explore the most affordable flight options available from Portland to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2026.
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Tue 8/258:00 am
PWM
- BZN
1 stop9h 25m
American Airlines
Tue 9/16:26 am
BZN
- PWM
1 stop10h 26m
American Airlines
Deal found 6/30![American Airlines logo]()
$363
This American Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:00 am
PWM
- BZN
1 stop8h 26m
American Airlines
Mon 10/51:15 pm
BZN
- PWM
1 stop8h 25m
American Airlines
Deal found 6/28![American Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 11/74:45 pm
PWM
- BZN
2 stops8h 34m
Delta
Tue 11/107:00 pm
BZN
- PWM
2 stops12h 30m
Delta
Deal found 6/29![Delta logo]()
$374
This Southwest deal was found by Cheapflights users on 6/30. 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 9/225:45 am
PWM
- BZN
2 stops10h 55m
Southwest
Sat 9/264:10 pm
BZN
- PWM
2 stops16h 25m
Southwest
Deal found 6/30![Southwest logo]()
$379
This Southwest deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:40 pm
PWM
- BZN
2 stops11h 05m
Southwest
Tue 11/106:45 am
BZN
- PWM
2 stops13h 00m
Southwest
Deal found 6/29![Southwest logo]()
$382
This American Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:00 am
PWM
- BZN
1 stop8h 26m
American Airlines
Fri 9/256:30 am
BZN
- PWM
1 stop10h 16m
American Airlines
Deal found 6/28![American Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 11/53:00 pm
PWM
- BZN
2 stops10h 57m
Delta
Tue 11/107:00 pm
BZN
- PWM
2 stops12h 30m
Delta
Deal found 6/29![Delta logo]()
$401
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Fri 11/133:27 pm
PWM
- GTF
1 stop8h 20m
United Airlines
Tue 11/176:30 am
GTF
- PWM
1 stop7h 32m
United Airlines
Deal found 6/30![United Airlines logo]()
$438
This United Airlines deal was found by Cheapflights users on 7/1. 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 11/148:47 am
PWM
- GTF
2 stops15h 00m
United Airlines
Tue 11/176:30 am
GTF
- PWM
2 stops10h 48m
United Airlines
Deal found 7/1![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Fri 10/308:47 am
PWM
- BIL
2 stops14h 17m
United Airlines
Mon 11/27:00 am
BIL
- PWM
2 stops14h 23m
United Airlines
Deal found 7/1![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Sat 11/143:27 pm
PWM
- MSO
1 stop8h 08m
United Airlines
Tue 11/176:15 am
MSO
- PWM
1 stop7h 47m
United Airlines
Deal found 6/30![United Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 7/1. 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 11/143:27 pm
PWM
- HLN
1 stop8h 12m
United Airlines
Tue 11/176:15 am
HLN
- PWM
1 stop7h 47m
United Airlines
Deal found 7/1![United Airlines logo]()
$479
Best flights from Portland to MontanaDiscover carefully curated flight deals from Portland to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 2, 2026.
Discover carefully curated flight deals from Portland to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 2, 2026.
This Southwest deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 8/237:40 am
PWM
- BZN
1 stop6h 55m
Southwest
Tue 9/112:55 pm
BZN
- PWM
1 stop7h 10m
Southwest
Deal found 6/29![Southwest logo]()
$425
This Delta deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 8/186:05 am
PWM
- BZN
1 stop9h 00m
Delta
Sat 8/2212:02 pm
BZN
- PWM
1 stop7h 29m
Delta
Deal found 6/28![Delta logo]()
$431
This United Airlines deal was found by Cheapflights users on 7/1. 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 11/143:27 pm
PWM
- MSO
1 stop8h 08m
United Airlines
Tue 11/176:15 am
MSO
- PWM
1 stop7h 47m
United Airlines
Deal found 7/1![United Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 7/2. 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.
Sun 11/112:52 pm
PWM
- BZN
2 stops13h 25m
Delta
Fri 11/62:30 pm
BZN
- PWM
1 stop7h 06m
Delta
Deal found 7/2![Delta logo]()
$436
This Southwest deal was found by Cheapflights users on 6/30. 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 9/227:45 am
PWM
- BZN
1 stop6h 30m
Southwest
Sat 9/264:10 pm
BZN
- PWM
2 stops16h 25m
Southwest
Deal found 6/30![Southwest logo]()
$436
This American Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 7/246:00 am
PWM
- BIL
1 stop8h 19m
American Airlines
Tue 7/286:00 am
BIL
- PWM
1 stop8h 41m
American Airlines
Deal found 6/29![American Airlines logo]()
$961
This United Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:27 pm
PWM
- BZN
1 stop7h 40m
United Airlines
Mon 11/97:00 am
BZN
- PWM
1 stop7h 02m
United Airlines
Deal found 6/29![United Airlines logo]()
$515
This Delta deal was found by Cheapflights users on 7/2. 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 10/226:00 am
PWM
- BZN
1 stop9h 20m
Delta
Sun 10/252:30 pm
BZN
- PWM
1 stop7h 06m
Delta
Deal found 7/2![Delta logo]()
$509
This Southwest deal was found by Cheapflights users on 7/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/213:45 pm
PWM
- BZN
2 stops11h 05m
Southwest
Tue 7/286:40 am
BZN
- PWM
2 stops9h 50m
Southwest
Deal found 7/1![Southwest logo]()
$545
This Southwest deal was found by Cheapflights users on 6/30. 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.
Wed 12/235:20 am
PWM
- BZN
2 stops13h 10m
Southwest
Tue 12/295:05 pm
BZN
- PWM
2 stops14h 50m
Southwest
Deal found 6/30![Southwest logo]()
$551
This United Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 7/96:00 am
PWM
- GTF
1 stop7h 45m
United Airlines
Tue 7/146:15 am
GTF
- PWM
2 stops13h 26m
United Airlines
Deal found 6/28![United Airlines logo]()
$613
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Sun 9/69:49 am
PWM
- GTF
2 stops13h 23m
United Airlines
Sat 9/122:25 pm
GTF
- PWM
2 stops16h 43m
United Airlines
Deal found 7/1![United Airlines logo]()
$673
This United Airlines deal was found by Cheapflights users on 7/1. 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 9/267:57 am
PWM
- HLN
2 stops15h 21m
United Airlines
Sat 10/36:25 am
HLN
- PWM
2 stops13h 21m
United Airlines
Deal found 7/1![United Airlines logo]()
$863
This United Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/243:37 pm
PWM
- BIL
1 stop7h 40m
United Airlines
Tue 7/287:00 am
BIL
- PWM
2 stops14h 30m
United Airlines
Deal found 6/29![United Airlines logo]()
$885
This United Airlines deal was found by Cheapflights users on 6/30. 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 7/156:00 am
PWM
- GTF
1 stop7h 46m
United Airlines
Sun 7/196:15 am
GTF
- PWM
1 stop7h 34m
United Airlines
Deal found 6/30![United Airlines logo]()
$1,007
This United Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 7/133:37 pm
PWM
- HLN
1 stop7h 43m
United Airlines
Fri 7/176:15 am
HLN
- PWM
2 stops13h 26m
United Airlines
Deal found 6/28![United Airlines logo]()
$1,385
This Delta deal was found by Cheapflights users on 7/1. 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.
Mon 8/2412:47 pm
PWM
- HLN
2 stops11h 43m
Delta
Tue 8/255:40 am
HLN
- PWM
2 stops15h 33m
Delta
Deal found 7/1![Delta logo]()
$3,482
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Mon 8/243:37 pm
PWM
- HLN
1 stop7h 53m
United Airlines
Tue 8/256:15 am
HLN
- PWM
1 stop7h 36m
United Airlines
Deal found 7/1![United Airlines logo]()
$3,267
Last-minute flights from Portland to MontanaDiscover last-minute flight deals from Portland to Montana. Data last updated July 2, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Montana. Data last updated July 2, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 7/96:00 am
PWM
- GTF
1 stop7h 45m
United Airlines
Tue 7/146:15 am
GTF
- PWM
2 stops13h 26m
United Airlines
Deal found 6/28![United Airlines logo]()
$613
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Sat 7/186:00 am
PWM
- MSO
1 stop7h 32m
United Airlines
Tue 8/46:05 am
MSO
- PWM
2 stops15h 25m
United Airlines
Deal found 6/30![United Airlines logo]()
$809
This American Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 7/241:25 pm
PWM
- BIL
2 stops11h 48m
American Airlines
Tue 7/2812:49 pm
BIL
- PWM
2 stops9h 10m
American Airlines
Deal found 6/29![American Airlines logo]()
$857
This American Airlines deal was found by Cheapflights users on 6/30. 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 8/56:09 pm
PWM
- MSO
2 stops20h 26m
American Airlines
Mon 8/105:52 pm
MSO
- PWM
2 stops14h 39m
American Airlines
Deal found 6/30![American Airlines logo]()
$763
This American Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 8/147:28 am
PWM
- BZN
2 stops15h 09m
American Airlines
Mon 8/176:26 am
BZN
- PWM
1 stop10h 26m
American Airlines
Deal found 6/29![American Airlines logo]()
$431
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 8/186:05 am
PWM
- BZN
1 stop9h 00m
Delta
Sat 8/2212:02 pm
BZN
- PWM
1 stop7h 29m
Delta
Deal found 6/29![Delta logo]()
$440
This American Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 8/185:30 am
PWM
- BZN
2 stops11h 55m
American Airlines
Mon 8/246:26 am
BZN
- PWM
1 stop10h 26m
American Airlines
Deal found 6/28![American Airlines logo]()
$458
This American Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 8/187:28 am
PWM
- MSO
2 stops11h 52m
American Airlines
Mon 8/245:52 pm
MSO
- PWM
2 stops15h 46m
American Airlines
Deal found 6/28![American Airlines logo]()
$638
This Southwest deal was found by Cheapflights users on 7/2. 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.
Sat 8/225:40 am
PWM
- BZN
2 stops11h 55m
Southwest
Sat 8/294:10 pm
BZN
- PWM
2 stops16h 25m
Southwest
Deal found 7/2![Southwest logo]()
$437
This Southwest deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 8/237:40 am
PWM
- BZN
1 stop6h 55m
Southwest
Tue 9/112:55 pm
BZN
- PWM
1 stop7h 10m
Southwest
Deal found 6/29![Southwest logo]()
$425
This American Airlines deal was found by Cheapflights users on 6/27. 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.
Mon 8/246:46 pm
PWM
- MSO
2 stops19h 56m
American Airlines
Fri 8/281:12 pm
MSO
- PWM
1 stop7h 36m
American Airlines
Deal found 6/27![American Airlines logo]()
$570
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Tue 8/258:00 am
PWM
- BZN
1 stop9h 25m
American Airlines
Tue 9/16:26 am
BZN
- PWM
1 stop10h 26m
American Airlines
Deal found 6/30![American Airlines logo]()
$363
One-way flights from Portland to MontanaSearch for one-way flight options from Portland to Montana. Find affordable one-way fares based on user searches. Data last updated July 2, 2026.
Search for one-way flight options from Portland to Montana. Find affordable one-way fares based on user searches. Data last updated July 2, 2026.
This Delta deal was found by Cheapflights users on 7/1. 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 11/186:00 am
PWM
- BZN
1 stop9h 16m
Delta
Deal found 7/1![Delta logo]()
$182
This Southwest deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/172:10 pm
PWM
- BZN
2 stops10h 15m
Southwest
Deal found 6/28![Southwest logo]()
$215
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Wed 9/236:30 am
PWM
- MSO
1 stop8h 25m
American Airlines
Deal found 7/2![American Airlines logo]()
$255
This Delta deal was found by Cheapflights users on 7/2. 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 9/234:45 pm
PWM
- MSO
2 stops9h 33m
Delta
Deal found 7/2![Delta logo]()
$260
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Fri 7/103:37 pm
PWM
- BZN
1 stop7h 37m
United Airlines
Deal found 7/2![United Airlines logo]()
$263
This Delta deal was found by Cheapflights users on 6/30. 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.
Mon 8/242:14 pm
PWM
- MSO
2 stops11h 33m
Delta
Deal found 6/30![Delta logo]()
$295
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Sat 7/186:00 am
PWM
- BZN
1 stop8h 02m
United Airlines
Deal found 6/30![United Airlines logo]()
$313
This United Airlines deal was found by Cheapflights users on 7/2. 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 7/79:55 am
PWM
- BZN
2 stops14h 48m
United Airlines
Deal found 7/2![United Airlines logo]()
$323
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Mon 7/137:16 am
PWM
- BZN
2 stops15h 23m
American Airlines
Deal found 7/2![American Airlines logo]()
$344
This American Airlines deal was found by Cheapflights users on 6/30. 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 8/246:09 pm
PWM
- MSO
1 stop20h 33m
American Airlines
Deal found 6/30![American Airlines logo]()
$348
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Sat 7/1810:01 am
PWM
- BZN
2 stops13h 13m
American Airlines
Deal found 7/2![American Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 7/186:00 am
PWM
- BZN
1 stop9h 29m
Delta
Deal found 6/28![Delta logo]()
$370
Find flight deals from Portland to Montana
Keep the following information in mind while searching for Portland to Montana flight deals. Data was last updated July 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $363 (American Airlines) |
One-way from | $182 (Delta) |
Popular in | June |
Cheapest in | November |
Average price | $623 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland 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 July 2, 2026.
Use the filters below to find and compare flights from Portland to Montana that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
PortlandBozeman
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PWMBZN
Portland
Sun 8/23
7:40 am-12:35 pm
1 stop6h 55m
Bozeman Gallatin Field
Tue 9/1
12:55 pm-10:05 pm
1 stop7h 10m
$425
PortlandBozeman
PWM - BZN
PWMBZN
Portland
Tue 8/18
6:05 am-1:05 pm
1 stop9h 00m
Bozeman Gallatin Field
Sat 8/22
12:02 pm-9:31 pm
1 stop7h 29m
$431
PortlandBozeman
PWM - BZN
PWMBZN
Portland
Sun 11/1
12:52 pm-12:17 am
2 stops13h 25m
Bozeman Gallatin Field
Fri 11/6
2:30 pm-11:36 pm
1 stop7h 06m
$436
PortlandBozeman
PWM - BZN
PWMBZN
Portland
Tue 9/22
7:45 am-12:15 pm
1 stop6h 30m
Bozeman Gallatin Field
Sat 9/26
4:10 pm-10:35 am
2 stops16h 25m
$436
PortlandMissoula
PWM - MSO
PWMMSO
Portland
Sat 11/14
3:27 pm-9:35 pm
1 stop8h 08m
Missoula Johnson-Bell Field
Tue 11/17
6:15 am-4:02 pm
1 stop7h 47m
$479
PortlandBozeman
PWM - BZN
PWMBZN
Portland
Thu 10/22
6:00 am-1:20 pm
1 stop9h 20m
Bozeman Gallatin Field
Sun 10/25
2:30 pm-11:36 pm
1 stop7h 06m
$509
PortlandBozeman
PWM - BZN
PWMBZN
Portland
Wed 11/4
3:27 pm-9:07 pm
1 stop7h 40m
Bozeman Gallatin Field
Mon 11/9
7:00 am-4:02 pm
1 stop7h 02m
$515
PortlandBozeman
PWM - BZN
PWMBZN
Portland
Tue 7/21
3:45 pm-12:50 am
2 stops11h 05m
Bozeman Gallatin Field
Tue 7/28
6:40 am-6:30 pm
2 stops9h 50m
$545
PortlandBozeman
PWM - BZN
PWMBZN
Portland
Wed 12/23
5:20 am-4:30 pm
2 stops13h 10m
Bozeman Gallatin Field
Tue 12/29
5:05 pm-9:55 am
2 stops14h 50m
$551
PortlandGreat Falls
PWM - GTF
PWMGTF
Portland
Thu 7/9
6:00 am-11:45 am
1 stop7h 45m
Great Falls
Tue 7/14
6:15 am-9:41 pm
2 stops13h 26m
$613
Showing 1-10 of 33 resultsSorted by cheapest first
Best time to book a flight from Portland to Montana
Have a flexible travel schedule? Discover the best time to fly to Montana from Portland with our price prediction graph.
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PWM-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 Portland to Montana
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PWM-GTF
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What is the cheapest month to book a flight from Portland, Maine to Montana?
Currently, January is the cheapest month in which you can book a flight from Portland, Maine to Montana (average of $203). Flying from Portland, Maine to Montana in July is currently the most expensive (average of $424). 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 Portland, Maine to Montana?
How far ahead should I book a flight from Portland, Maine to Montana?
Booking 46 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland, Maine to Montana. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 July 2, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Portland to Montana have to say. 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.
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Portland 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 Portland 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 Portland to Montana by cabin class
Find flights from Portland to Montana, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Montana flights
Browse other Portland and Montana flight options. Last updated on July 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Portland to Montana flights
Consider these flights traveling from Portland to Montana.
Top 3 airlines flying from Portland to Montana
Discover the top 3 airlines that operate flights from Portland 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 July 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$203 | Average$314 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$308 | Average$513 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$311 | Average$661 | FlexibilityNo cancel fee | On-time71% |