$180+ 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BZN
May 1 — May 81
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Montana with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 April 1, 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 April 1, 2026.
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/253:00 pm
PWM
- BZN
2 stops10h 53m
Delta
Tue 9/112:20 pm
BZN
- PWM
1 stop8h 13m
Delta
Deal found 3/31![Delta logo]()
$314
This American Airlines deal was found by Cheapflights users on 3/28. 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 9/110:05 am
PWM
- BZN
2 stops12h 34m
American Airlines
Tue 9/156:38 am
BZN
- PWM
2 stops11h 45m
American Airlines
Deal found 3/28![American Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 3/29. 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.
Tue 4/286:04 am
PWM
- BZN
2 stops9h 30m
United Airlines
Tue 5/54:18 pm
BZN
- PWM
2 stops16h 00m
United Airlines
Deal found 3/29![United Airlines logo]()
$338
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:00 am
PWM
- BZN
2 stops11h 50m
American Airlines
Tue 9/112:02 pm
BZN
- PWM
2 stops9h 45m
American Airlines
Deal found 3/31![American Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 3/27. 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 4/116:00 am
PWM
- BZN
1 stop7h 29m
United Airlines
Wed 4/1512:39 pm
BZN
- PWM
1 stop7h 01m
United Airlines
Deal found 3/27![United Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:00 am
PWM
- BZN
1 stop9h 20m
American Airlines
Tue 9/112:02 pm
BZN
- PWM
2 stops9h 45m
American Airlines
Deal found 3/31![American Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 3/28. 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 8/276:00 am
PWM
- BZN
1 stop7h 32m
United Airlines
Tue 9/11:10 pm
BZN
- PWM
1 stop8h 21m
United Airlines
Deal found 3/28![United Airlines logo]()
$381
This United Airlines deal was found by Cheapflights users on 3/27. 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 4/116:00 am
PWM
- BIL
2 stops9h 23m
United Airlines
Wed 4/157:00 am
BIL
- PWM
2 stops8h 32m
United Airlines
Deal found 3/27![United Airlines logo]()
$461
This United Airlines deal was found by Cheapflights users on 3/30. 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 10/289:10 am
PWM
- BIL
2 stops13h 41m
United Airlines
Sat 10/3112:30 pm
BIL
- PWM
1 stop6h 57m
United Airlines
Deal found 3/30![United Airlines logo]()
$474
This American Airlines deal was found by Cheapflights users on 3/29. 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.
Wed 8/193:30 pm
PWM
- MSO
1 stop9h 58m
American Airlines
Wed 8/267:45 am
MSO
- PWM
1 stop13h 00m
American Airlines
Deal found 3/29![American Airlines logo]()
$478
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:00 am
PWM
- MSO
1 stop7h 34m
United Airlines
Sun 8/3012:40 pm
MSO
- PWM
1 stop7h 21m
United Airlines
Deal found 3/31![United Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 3/30. 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 10/313:35 pm
PWM
- HLN
1 stop7h 24m
United Airlines
Tue 11/37:00 am
HLN
- PWM
1 stop6h 49m
United Airlines
Deal found 3/30![United Airlines logo]()
$499
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 April 1, 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 April 1, 2026.
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/253:00 pm
PWM
- BZN
2 stops10h 53m
Delta
Tue 9/112:20 pm
BZN
- PWM
1 stop8h 13m
Delta
Deal found 3/31![Delta logo]()
$314
This United Airlines deal was found by Cheapflights users on 3/27. 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 4/116:00 am
PWM
- BZN
1 stop7h 29m
United Airlines
Wed 4/1512:39 pm
BZN
- PWM
1 stop7h 01m
United Airlines
Deal found 3/27![United Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 3/29. 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.
Wed 8/193:30 pm
PWM
- MSO
1 stop9h 58m
American Airlines
Wed 8/267:45 am
MSO
- PWM
1 stop13h 00m
American Airlines
Deal found 3/29![American Airlines logo]()
$478
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 4/146:04 am
PWM
- BZN
1 stop7h 27m
United Airlines
Sat 4/1812:32 pm
BZN
- PWM
1 stop7h 08m
United Airlines
Deal found 3/30![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 8/1812:00 pm
PWM
- BZN
1 stop8h 23m
United Airlines
Mon 9/288:30 am
BZN
- PWM
1 stop6h 42m
United Airlines
Deal found 3/30![United Airlines logo]()
$408
This United Airlines deal was found by Cheapflights users on 3/27. 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 8/185:15 am
PWM
- BZN
2 stops11h 58m
United Airlines
Tue 8/2510:41 am
BZN
- PWM
2 stops11h 18m
United Airlines
Deal found 3/27![United Airlines logo]()
$419
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/143:30 pm
PWM
- BIL
1 stop9h 29m
American Airlines
Sun 8/167:00 am
BIL
- PWM
1 stop9h 31m
American Airlines
Deal found 3/31![American Airlines logo]()
$559
This United Airlines deal was found by Cheapflights users on 3/27. 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 4/116:00 am
PWM
- BIL
2 stops9h 23m
United Airlines
Wed 4/157:00 am
BIL
- PWM
2 stops8h 32m
United Airlines
Deal found 3/27![United Airlines logo]()
$461
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2310:24 am
PWM
- BIL
2 stops14h 19m
American Airlines
Tue 4/281:51 pm
BIL
- PWM
2 stops18h 03m
American Airlines
Deal found 3/31![American Airlines logo]()
$560
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:55 pm
PWM
- MSO
2 stops13h 27m
Delta
Wed 5/205:05 am
MSO
- PWM
2 stops9h 30m
Delta
Deal found 3/31![Delta logo]()
$681
This Delta deal was found by Cheapflights users on 3/28. 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.
Wed 5/1312:55 pm
PWM
- MSO
2 stops13h 27m
Delta
Wed 5/205:05 am
MSO
- PWM
2 stops9h 30m
Delta
Deal found 3/28![Delta logo]()
$681
This American Airlines deal was found by Cheapflights users on 3/28. 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.
Thu 8/133:30 pm
PWM
- BIL
1 stop9h 29m
American Airlines
Sun 8/167:00 am
BIL
- PWM
1 stop9h 31m
American Airlines
Deal found 3/28![American Airlines logo]()
$635
This United Airlines deal was found by Cheapflights users on 3/28. 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.
Fri 8/215:15 am
PWM
- MSO
2 stops12h 07m
United Airlines
Fri 8/284:19 pm
MSO
- PWM
2 stops15h 43m
United Airlines
Deal found 3/28![United Airlines logo]()
$539
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:55 pm
PWM
- MSO
2 stops13h 27m
Delta
Tue 5/193:30 pm
MSO
- PWM
2 stops20h 28m
Delta
Deal found 3/31![Delta logo]()
$688
This American Airlines deal was found by Cheapflights users on 3/30. 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 4/146:01 pm
PWM
- MSO
1 stop20h 37m
American Airlines
Sat 4/181:08 pm
MSO
- PWM
1 stop8h 19m
American Airlines
Deal found 3/30![American Airlines logo]()
$658
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:55 pm
PWM
- MSO
2 stops13h 27m
Delta
Sun 5/175:05 am
MSO
- PWM
2 stops16h 13m
Delta
Deal found 3/31![Delta logo]()
$688
This American Airlines deal was found by Cheapflights users on 3/27. 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 6/205:25 am
PWM
- MSO
2 stops12h 49m
American Airlines
Fri 6/266:45 am
MSO
- PWM
1 stop8h 01m
American Airlines
Deal found 3/27![American Airlines logo]()
$696
This United Airlines deal was found by Cheapflights users on 3/28. 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.
Tue 6/23:31 pm
PWM
- HLN
1 stop7h 49m
United Airlines
Mon 6/82:20 pm
HLN
- PWM
2 stops17h 44m
United Airlines
Deal found 3/28![United Airlines logo]()
$764
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Fri 7/171:25 pm
PWM
- BIL
2 stops11h 48m
American Airlines
Sat 7/256:00 am
BIL
- PWM
2 stops15h 54m
American Airlines
Deal found 3/30![American Airlines logo]()
$881
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 6/23:31 pm
PWM
- HLN
1 stop7h 49m
United Airlines
Tue 6/92:20 pm
HLN
- PWM
2 stops16h 51m
United Airlines
Deal found 3/30![United Airlines logo]()
$824
This United Airlines deal was found by Cheapflights users on 3/30. 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 5/133:23 pm
PWM
- BIL
1 stop9h 22m
United Airlines
Sun 5/176:35 am
BIL
- PWM
2 stops12h 44m
United Airlines
Deal found 3/30![United Airlines logo]()
$855
This Delta deal was found by Cheapflights users on 3/28. 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.
Sun 7/512:40 pm
PWM
- HLN
2 stops12h 01m
Delta
Sun 8/95:40 am
HLN
- PWM
2 stops15h 34m
Delta
Deal found 3/28![Delta logo]()
$3,201
Last-minute flights from Portland to MontanaDiscover last-minute flight deals from Portland to Montana. Data last updated April 1, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Montana. Data last updated April 1, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/106:04 am
PWM
- BZN
1 stop7h 25m
United Airlines
Tue 4/144:20 pm
BZN
- PWM
2 stops16h 02m
United Airlines
Deal found 3/31![United Airlines logo]()
$424
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/106:04 am
PWM
- BZN
1 stop7h 25m
United Airlines
Sun 4/1912:32 pm
BZN
- PWM
1 stop7h 08m
United Airlines
Deal found 3/31![United Airlines logo]()
$457
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1012:51 pm
PWM
- BZN
2 stops12h 19m
Delta
Tue 4/145:59 am
BZN
- PWM
2 stops8h 46m
Delta
Deal found 3/31![Delta logo]()
$459
This United Airlines deal was found by Cheapflights users on 3/27. 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 4/116:00 am
PWM
- BZN
1 stop7h 29m
United Airlines
Wed 4/1512:39 pm
BZN
- PWM
1 stop7h 01m
United Airlines
Deal found 3/27![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 3/27. 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 4/116:00 am
PWM
- BIL
2 stops9h 23m
United Airlines
Wed 4/157:00 am
BIL
- PWM
2 stops8h 32m
United Airlines
Deal found 3/27![United Airlines logo]()
$461
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:00 am
PWM
- BZN
2 stops9h 34m
United Airlines
Sun 4/1912:32 pm
BZN
- PWM
1 stop7h 08m
United Airlines
Deal found 3/31![United Airlines logo]()
$462
This United Airlines deal was found by Cheapflights users on 3/29. 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.
Mon 4/136:04 am
PWM
- HLN
2 stops9h 35m
United Airlines
Fri 4/176:15 am
HLN
- PWM
2 stops13h 25m
United Airlines
Deal found 3/29![United Airlines logo]()
$968
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 4/146:04 am
PWM
- BZN
1 stop7h 27m
United Airlines
Sat 4/184:20 pm
BZN
- PWM
2 stops16h 02m
United Airlines
Deal found 3/30![United Airlines logo]()
$364
This American Airlines deal was found by Cheapflights users on 3/30. 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 4/146:01 pm
PWM
- MSO
1 stop20h 37m
American Airlines
Sat 4/181:08 pm
MSO
- PWM
1 stop8h 19m
American Airlines
Deal found 3/30![American Airlines logo]()
$658
This American Airlines deal was found by Cheapflights users on 3/27. 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 4/176:01 pm
PWM
- MSO
1 stop20h 37m
American Airlines
Mon 4/201:08 pm
MSO
- PWM
1 stop8h 19m
American Airlines
Deal found 3/27![American Airlines logo]()
$917
This American Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2310:24 am
PWM
- BIL
2 stops14h 19m
American Airlines
Tue 4/281:51 pm
BIL
- PWM
2 stops18h 03m
American Airlines
Deal found 3/30![American Airlines logo]()
$533
This United Airlines deal was found by Cheapflights users on 3/29. 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.
Tue 4/286:04 am
PWM
- BZN
1 stop7h 27m
United Airlines
Tue 5/54:18 pm
BZN
- PWM
2 stops16h 00m
United Airlines
Deal found 3/29![United Airlines logo]()
$314
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 April 1, 2026.
Search for one-way flight options from Portland to Montana. Find affordable one-way fares based on user searches. Data last updated April 1, 2026.
This United Airlines deal was found by Cheapflights users on 3/27. 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 4/116:00 am
PWM
- BZN
1 stop7h 29m
United Airlines
Deal found 3/27![United Airlines logo]()
$180
This Delta deal was found by Cheapflights users on 3/27. 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.
Sat 4/1112:51 pm
PWM
- BZN
2 stops11h 28m
Delta
Deal found 3/27![Delta logo]()
$185
This Delta deal was found by Cheapflights users on 3/27. 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 4/75:23 am
PWM
- BZN
1 stop10h 12m
Delta
Deal found 3/27![Delta logo]()
$230
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/105:23 am
PWM
- BZN
1 stop10h 12m
Delta
Deal found 3/31![Delta logo]()
$240
This United Airlines deal was found by Cheapflights users on 3/30. 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 9/1810:43 am
PWM
- BZN
2 stops12h 24m
United Airlines
Deal found 3/30![United Airlines logo]()
$254
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/264:43 pm
PWM
- MSO
2 stops9h 33m
Delta
Deal found 3/31![Delta logo]()
$266
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Fri 9/188:00 am
PWM
- BZN
1 stop9h 20m
American Airlines
Deal found 3/30![American Airlines logo]()
$269
This American Airlines deal was found by Cheapflights users on 3/28. 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.
Sun 5/316:00 am
PWM
- BZN
1 stop8h 28m
American Airlines
Deal found 3/28![American Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/173:49 pm
PWM
- MSO
3 stops30h 15m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$294
This Southwest deal was found by Cheapflights users on 3/27. 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.
Tue 4/71:00 pm
PWM
- BZN
2 stops13h 15m
Southwest
Deal found 3/27![Southwest logo]()
$306
This United Airlines deal was found by Cheapflights users on 3/28. 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 4/206:04 am
PWM
- BZN
1 stop7h 25m
United Airlines
Deal found 3/28![United Airlines logo]()
$312
This American Airlines deal was found by Cheapflights users on 3/29. 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 4/2410:50 am
PWM
- BIL
2 stops13h 53m
American Airlines
Deal found 3/29![American Airlines logo]()
$313
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 April 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $314 (Delta) |
One-way from | $180 (United Airlines) |
Popular in | June |
Cheapest in | January |
Average price | $383 |
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 April 1, 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
PortlandBozeman
PWM - BZN
PWMBZN
Portland
Tue 8/25
3:00 pm-11:53 pm
2 stops10h 53m
Bozeman Gallatin Field
Tue 9/1
12:20 pm-10:33 pm
1 stop8h 13m
$314
Quickest round-trip
PortlandBozeman
PWM - BZN
PWMBZN
Portland
Sat 4/11
6:00 am-11:29 am
1 stop7h 29m
Bozeman Gallatin Field
Wed 4/15
12:39 pm-9:40 pm
1 stop7h 01m
$359
PortlandBozeman
PWM - BZN
PWMBZN
Portland
Tue 4/14
6:04 am-11:31 am
1 stop7h 27m
Bozeman Gallatin Field
Sat 4/18
12:32 pm-9:40 pm
1 stop7h 08m
$359
PortlandBozeman
PWM - BZN
PWMBZN
Portland
Tue 8/18
12:00 pm-6:23 pm
1 stop8h 23m
Bozeman Gallatin Field
Mon 9/28
8:30 am-5:12 pm
1 stop6h 42m
$408
PortlandBozeman
PWM - BZN
PWMBZN
Portland
Tue 8/18
5:15 am-3:13 pm
2 stops11h 58m
Bozeman Gallatin Field
Tue 8/25
10:41 am-11:59 pm
2 stops11h 18m
$419
PortlandBillings
PWM - BIL
PWMBIL
Portland
Sat 4/11
6:00 am-1:23 pm
2 stops9h 23m
Billings Logan Intl
Wed 4/15
7:00 am-5:32 pm
2 stops8h 32m
$461
PortlandMissoula
PWM - MSO
PWMMSO
Portland
Wed 8/19
3:30 pm-11:28 pm
1 stop9h 58m
Missoula Johnson-Bell Field
Wed 8/26
7:45 am-10:45 pm
1 stop13h 00m
$478
PortlandMissoula
PWM - MSO
PWMMSO
Portland
Fri 8/21
5:15 am-3:22 pm
2 stops12h 07m
Missoula Johnson-Bell Field
Fri 8/28
4:19 pm-10:02 am
2 stops15h 43m
$539
PortlandBillings
PWM - BIL
PWMBIL
Portland
Fri 8/14
3:30 pm-10:59 pm
1 stop9h 29m
Billings Logan Intl
Sun 8/16
7:00 am-6:31 pm
1 stop9h 31m
$559
PortlandBillings
PWM - BIL
PWMBIL
Portland
Thu 4/23
10:24 am-10:43 pm
2 stops14h 19m
Billings Logan Intl
Tue 4/28
1:51 pm-9:54 am
2 stops18h 03m
$560
Showing 1-10 of 44 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-MSO
PWM-BIL
PWM-HLN
PWM-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 Portland to Montana
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PWM-BZN
PWM-MSO
PWM-BIL
PWM-HLN
What is the cheapest month to book a flight from Portland, Maine to Montana?
Currently, December is the cheapest month in which you can book a flight from Portland, Maine to Montana (average of $139). Flying from Portland, Maine to Montana in September is currently the most expensive (average of $256). 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?
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 1, 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.
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.9
Entertainment
7.8
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.9
Entertainment
7.8
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.9
Entertainment
7.8
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.9
Entertainment
7.8
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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
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Complete your trip
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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 April 1, 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 April 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$263 | Average$499 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$308 | Average$604 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$311 | Average$617 | FlexibilityNo cancel fee | On-time71% |