$182+ Cheap flights from Montana to Portland, ME (PWM)
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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — PWM
Aug 4 — Aug 111
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Montana to Portland with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Montana to Portland
Cheapest
Best
Last-minute
One-way
Cheapest flights from Montana to PortlandExplore the most affordable flight options available from Montana to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 5, 2026.
Explore the most affordable flight options available from Montana to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 5, 2026.
This American Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:58 pm
FCA
- PWM
1 stop7h 45m
American Airlines
Sat 10/317:00 am
PWM
- FCA
1 stop8h 27m
American Airlines
Deal found 7/4![American Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 7/4. 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 10/2412:26 pm
FCA
- PWM
2 stops9h 33m
United Airlines
Sat 10/313:27 pm
PWM
- FCA
1 stop8h 15m
United Airlines
Deal found 7/4![United Airlines logo]()
$394
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:26 am
BZN
- PWM
1 stop10h 26m
American Airlines
Thu 8/278:00 am
PWM
- BZN
1 stop9h 25m
American Airlines
Deal found 7/1![American Airlines logo]()
$419
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:55 pm
BZN
- PWM
1 stop7h 53m
American Airlines
Thu 8/208:00 am
PWM
- BZN
1 stop9h 25m
American Airlines
Deal found 7/1![American Airlines logo]()
$425
This American Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:30 am
BZN
- PWM
1 stop10h 16m
American Airlines
Tue 10/67:00 am
PWM
- BZN
1 stop7h 25m
American Airlines
Deal found 7/4![American Airlines logo]()
$431
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Fri 8/216:26 am
BZN
- PWM
2 stops12h 55m
American Airlines
Mon 8/315:30 am
PWM
- BZN
2 stops11h 55m
American Airlines
Deal found 7/3![American Airlines logo]()
$435
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 10/275:00 am
BIL
- PWM
1 stop9h 02m
United Airlines
Sat 10/313:27 pm
PWM
- BIL
1 stop7h 37m
United Airlines
Deal found 7/2![United Airlines logo]()
$449
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 8/186:55 am
BZN
- PWM
2 stops12h 15m
Southwest
Thu 8/202:10 pm
PWM
- BZN
2 stops10h 15m
Southwest
Deal found 7/1![Southwest logo]()
$451
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.
Mon 8/2411:25 am
BZN
- PWM
2 stops8h 05m
Southwest
Thu 8/277:40 am
PWM
- BZN
2 stops10h 50m
Southwest
Deal found 7/1![Southwest logo]()
$453
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 10/2712:30 pm
BZN
- PWM
1 stop6h 45m
United Airlines
Sat 10/313:27 pm
PWM
- BZN
1 stop7h 40m
United Airlines
Deal found 7/2![United Airlines logo]()
$463
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.
Tue 10/276:15 am
FCA
- PWM
2 stops13h 00m
United Airlines
Sat 10/313:27 pm
PWM
- FCA
1 stop8h 15m
United Airlines
Deal found 6/30![United Airlines logo]()
$504
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.
Tue 10/276:15 am
MSO
- PWM
1 stop7h 47m
United Airlines
Sat 10/313:27 pm
PWM
- MSO
1 stop8h 08m
United Airlines
Deal found 6/30![United Airlines logo]()
$519
Best flights from Montana to PortlandDiscover carefully curated flight deals from Montana to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 5, 2026.
Discover carefully curated flight deals from Montana to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 5, 2026.
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Mon 8/246:26 am
BZN
- PWM
1 stop10h 26m
American Airlines
Fri 8/286:02 am
PWM
- BZN
2 stops11h 23m
American Airlines
Deal found 7/3![American Airlines logo]()
$430
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:35 am
BZN
- PWM
2 stops10h 55m
Southwest
Fri 8/285:55 am
PWM
- BZN
2 stops10h 00m
Southwest
Deal found 7/3![Southwest logo]()
$435
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.
Sun 8/232:35 pm
HLN
- PWM
2 stops21h 59m
United Airlines
Sat 8/293:37 pm
PWM
- HLN
1 stop7h 53m
United Airlines
Deal found 6/30![United Airlines logo]()
$688
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/110:18 am
FCA
- PWM
2 stops44h 54m
Multiple Airlines
Sun 8/912:46 pm
PWM
- FCA
1 stop22h 32m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$830
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/110:18 am
FCA
- PWM
1 stop23h 51m
Sun Country Air
Sun 8/912:46 pm
PWM
- FCA
1 stop22h 32m
Sun Country Air
Deal found 6/30![Sun Country Air logo]()
$843
This American Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:30 am
BZN
- PWM
2 stops13h 26m
American Airlines
Tue 10/67:00 am
PWM
- BZN
1 stop7h 25m
American Airlines
Deal found 7/4![American Airlines logo]()
$436
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:20 pm
BZN
- PWM
1 stop7h 10m
Southwest
Tue 8/185:45 am
PWM
- BZN
2 stops10h 55m
Southwest
Deal found 7/3![Southwest logo]()
$501
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 8/226:26 am
BZN
- PWM
2 stops13h 34m
American Airlines
Sat 8/298:00 am
PWM
- BZN
1 stop9h 25m
American Airlines
Deal found 7/2![American Airlines logo]()
$499
This American Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:26 am
BZN
- PWM
2 stops15h 11m
American Airlines
Fri 8/215:30 am
PWM
- BZN
2 stops11h 55m
American Airlines
Deal found 7/3![American Airlines logo]()
$510
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.
Thu 8/274:50 pm
FCA
- PWM
1 stop16h 48m
American Airlines
Tue 9/16:00 am
PWM
- FCA
2 stops12h 10m
American Airlines
Deal found 7/2![American Airlines logo]()
$549
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.
Tue 9/226:15 am
HLN
- PWM
2 stops13h 08m
United Airlines
Sat 9/267:57 am
PWM
- HLN
2 stops15h 21m
United Airlines
Deal found 7/1![United Airlines logo]()
$736
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.
Sat 8/156:15 am
MSO
- PWM
2 stops13h 08m
United Airlines
Fri 8/287:40 am
PWM
- MSO
2 stops16h 50m
United Airlines
Deal found 7/2![United Airlines logo]()
$737
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Wed 8/195:52 pm
MSO
- PWM
2 stops15h 46m
American Airlines
Mon 8/245:13 pm
PWM
- MSO
2 stops21h 29m
American Airlines
Deal found 7/3![American Airlines logo]()
$694
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.
Tue 7/217:00 am
BIL
- PWM
2 stops14h 30m
United Airlines
Mon 8/36:00 am
PWM
- BIL
2 stops29h 36m
United Airlines
Deal found 6/30![United Airlines logo]()
$870
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.
Thu 8/612:35 pm
FCA
- PWM
1 stop7h 06m
United Airlines
Sun 8/166:03 am
PWM
- FCA
1 stop7h 24m
United Airlines
Deal found 6/30![United Airlines logo]()
$940
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.
Sat 8/112:40 pm
FCA
- PWM
1 stop8h 50m
United Airlines
Sun 8/95:15 am
PWM
- FCA
2 stops19h 40m
United Airlines
Deal found 7/2![United Airlines logo]()
$961
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.
Mon 7/204:10 pm
BIL
- PWM
2 stops27h 31m
United Airlines
Thu 7/306:00 am
PWM
- BIL
2 stops29h 36m
United Airlines
Deal found 6/30![United Airlines logo]()
$967
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.
Fri 7/174:44 pm
MSO
- PWM
2 stops15h 01m
American Airlines
Tue 7/216:00 am
PWM
- MSO
1 stop8h 34m
American Airlines
Deal found 7/2![American Airlines logo]()
$1,117
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.
Thu 7/231:04 pm
MSO
- PWM
1 stop9h 39m
American Airlines
Tue 7/286:00 am
PWM
- MSO
2 stops12h 11m
American Airlines
Deal found 7/2![American Airlines logo]()
$1,274
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.
Sat 7/257:00 am
HLN
- PWM
2 stops14h 14m
Delta
Sat 8/81:02 pm
PWM
- HLN
2 stops11h 28m
Delta
Deal found 7/2![Delta logo]()
$5,123
This American Airlines deal was found by Cheapflights users on 7/3. 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 9/81:18 pm
MSO
- PWM
1 stop7h 30m
American Airlines
Sun 9/134:31 pm
PWM
- MSO
2 stops22h 24m
American Airlines
Deal found 7/3![American Airlines logo]()
$1,392
Last-minute flights from Montana to PortlandDiscover last-minute flight deals from Montana to Portland. Data last updated July 5, 2026 and is based on user searches.
Discover last-minute flight deals from Montana to Portland. Data last updated July 5, 2026 and is based on user searches.
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.
Fri 8/76:26 am
BZN
- PWM
2 stops15h 11m
American Airlines
Sun 8/238:00 am
PWM
- BZN
1 stop9h 25m
American Airlines
Deal found 6/30![American Airlines logo]()
$483
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:20 pm
BZN
- PWM
1 stop7h 10m
Southwest
Tue 8/185:45 am
PWM
- BZN
2 stops10h 55m
Southwest
Deal found 7/3![Southwest logo]()
$501
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.
Sat 8/156:15 am
MSO
- PWM
2 stops13h 08m
United Airlines
Fri 8/287:40 am
PWM
- MSO
2 stops16h 50m
United Airlines
Deal found 7/2![United Airlines logo]()
$737
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:55 pm
BZN
- PWM
1 stop7h 53m
American Airlines
Thu 8/208:00 am
PWM
- BZN
1 stop9h 25m
American Airlines
Deal found 7/1![American Airlines logo]()
$425
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 8/186:55 am
BZN
- PWM
2 stops12h 15m
Southwest
Thu 8/202:10 pm
PWM
- BZN
2 stops10h 15m
Southwest
Deal found 7/1![Southwest logo]()
$451
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Wed 8/195:52 pm
MSO
- PWM
2 stops15h 46m
American Airlines
Mon 8/246:09 pm
PWM
- MSO
1 stop20h 33m
American Airlines
Deal found 7/3![American Airlines logo]()
$689
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Fri 8/216:26 am
BZN
- PWM
2 stops12h 55m
American Airlines
Mon 8/315:30 am
PWM
- BZN
2 stops11h 55m
American Airlines
Deal found 7/3![American Airlines logo]()
$435
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 8/226:26 am
BZN
- PWM
2 stops13h 34m
American Airlines
Sat 8/298:00 am
PWM
- BZN
1 stop9h 25m
American Airlines
Deal found 7/2![American Airlines logo]()
$499
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.
Sun 8/232:35 pm
HLN
- PWM
2 stops21h 59m
United Airlines
Sat 8/293:37 pm
PWM
- HLN
1 stop7h 53m
United Airlines
Deal found 6/30![United Airlines logo]()
$688
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:26 am
BZN
- PWM
1 stop10h 26m
American Airlines
Thu 8/278:00 am
PWM
- BZN
1 stop9h 25m
American Airlines
Deal found 7/1![American Airlines logo]()
$419
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.
Mon 8/2411:25 am
BZN
- PWM
2 stops8h 05m
Southwest
Thu 8/277:40 am
PWM
- BZN
2 stops10h 50m
Southwest
Deal found 7/1![Southwest logo]()
$453
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.
Thu 8/274:50 pm
FCA
- PWM
1 stop16h 48m
American Airlines
Tue 9/16:00 am
PWM
- FCA
2 stops12h 10m
American Airlines
Deal found 7/2![American Airlines logo]()
$549
One-way flights from Montana to PortlandSearch for one-way flight options from Montana to Portland. Find affordable one-way fares based on user searches. Data last updated July 5, 2026.
Search for one-way flight options from Montana to Portland. Find affordable one-way fares based on user searches. Data last updated July 5, 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.
Sat 9/56:26 am
BZN
- PWM
1 stop10h 26m
American Airlines
Deal found 6/30![American Airlines logo]()
$182
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.
Tue 8/116:26 am
BZN
- PWM
2 stops15h 15m
American Airlines
Deal found 7/2![American Airlines logo]()
$187
This American Airlines deal was found by Cheapflights users on 7/3. 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 8/1812:55 pm
BZN
- PWM
1 stop7h 53m
American Airlines
Deal found 7/3![American Airlines logo]()
$210
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.
Tue 8/48:00 am
BZN
- PWM
2 stops13h 51m
United Airlines
Deal found 7/1![United Airlines logo]()
$237
This American Airlines deal was found by Cheapflights users on 7/3. 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 7/1412:30 pm
BZN
- PWM
2 stops9h 29m
American Airlines
Deal found 7/3![American Airlines logo]()
$289
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.
Tue 7/2812:30 pm
BZN
- PWM
2 stops9h 29m
American Airlines
Deal found 7/2![American Airlines logo]()
$300
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1610:24 am
MSO
- PWM
2 stops34h 14m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$331
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 8/174:50 pm
FCA
- PWM
1 stop16h 48m
American Airlines
Deal found 7/2![American Airlines logo]()
$349
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:30 am
FCA
- PWM
2 stops45h 57m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$350
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 7/2210:40 am
BIL
- PWM
2 stops11h 11m
United Airlines
Deal found 6/30![United Airlines logo]()
$421
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 7/312:20 pm
HLN
- PWM
2 stops31h 10m
United Airlines
Deal found 7/2![United Airlines logo]()
$422
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 7/286:15 am
HLN
- PWM
2 stops24h 56m
United Airlines
Deal found 7/2![United Airlines logo]()
$434
Find flight deals from Montana to Portland
Keep the following information in mind while searching for Montana to Portland flight deals. Data was last updated July 5, 2026.
Round-trip from | $389 (American Airlines) |
|---|---|
One-way from | $182 (American Airlines) |
Popular in | November |
Cheapest in | February |
Average price | $606 |
Cheapflights Fare Finder
Customize your flight search to find flights from Montana to Portland 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 5, 2026.
Use the filters below to find and compare flights from Montana to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BozemanPortland
BZN - PWM
BZNPWM
Bozeman Gallatin Field
Mon 8/24
6:26 am-6:52 pm
1 stop10h 26m
Portland
Fri 8/28
6:02 am-3:25 pm
2 stops11h 23m
$430
BozemanPortland
BZN - PWM
BZNPWM
Bozeman Gallatin Field
Mon 8/24
8:35 am-9:30 pm
2 stops10h 55m
Portland
Fri 8/28
5:55 am-1:55 pm
2 stops10h 00m
$435
BozemanPortland
BZN - PWM
BZNPWM
Bozeman Gallatin Field
Tue 9/29
6:30 am-9:56 pm
2 stops13h 26m
Portland
Tue 10/6
7:00 am-12:25 pm
1 stop7h 25m
$436
BozemanPortland
BZN - PWM
BZNPWM
Bozeman Gallatin Field
Sat 8/22
6:26 am-10:00 pm
2 stops13h 34m
Portland
Sat 8/29
8:00 am-3:25 pm
1 stop9h 25m
$499
BozemanPortland
BZN - PWM
BZNPWM
Bozeman Gallatin Field
Fri 8/14
12:20 pm-9:30 pm
1 stop7h 10m
Portland
Tue 8/18
5:45 am-2:40 pm
2 stops10h 55m
$501
BozemanPortland
BZN - PWM
BZNPWM
Bozeman Gallatin Field
Sat 8/15
6:26 am-11:37 pm
2 stops15h 11m
Portland
Fri 8/21
5:30 am-3:25 pm
2 stops11h 55m
$510
KalispellPortland
FCA - PWM
FCAPWM
Kalispell Glacier Park
Thu 8/27
4:50 pm-11:38 am
1 stop16h 48m
Portland
Tue 9/1
6:00 am-4:10 pm
2 stops12h 10m
$549
HelenaPortland
HLN - PWM
HLNPWM
Helena
Sun 8/23
2:35 pm-2:34 pm
2 stops21h 59m
Portland
Sat 8/29
3:37 pm-9:30 pm
1 stop7h 53m
$688
MissoulaPortland
MSO - PWM
MSOPWM
Missoula Johnson-Bell Field
Wed 8/19
5:52 pm-11:38 am
2 stops15h 46m
Portland
Mon 8/24
5:13 pm-12:42 pm
2 stops21h 29m
$694
HelenaPortland
HLN - PWM
HLNPWM
Helena
Tue 9/22
6:15 am-9:23 pm
2 stops13h 08m
Portland
Sat 9/26
7:57 am-9:18 pm
2 stops15h 21m
$736
Showing 1-10 of 40 resultsSorted by cheapest first
Best time to book a flight from Montana to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from Montana with our price prediction graph.
BZN-PWM
FCA-PWM
HLN-PWM
MSO-PWM
BIL-PWM
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 Montana to Portland
USMT-PWM
BZN-PWM
FCA-PWM
HLN-PWM
MSO-PWM
How much does it cost to fly round-trip from Montana to Portland, Maine?
Related info for your journey
Find useful and relevant information for your journey from Montana to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsNorth Conway
Lewiston
Brunswick
Conway
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Portland flight routes
Top destinations
Alternative routes for Montana to Portland
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portland by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Montana to Portland by cabin class
Find flights from Montana to Portland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Montana and Portland flights
Browse other Montana and Portland flight options. Last updated on July 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Portland
Explore flights to Portland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 5, 2026.
Montana to Portland flights
Consider these flights traveling from Montana to Portland.
Top 2 airlines flying from Montana to Portland
Discover the top 2 airlines that operate flights from Montana to Portland. 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 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$263 | Average$526 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$350 | Average$584 | FlexibilityNo cancel fee | On-time71% |