$124+ Cheap flights from Portland (PDX) 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BZN
Jul 3 — Jul 101
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 June 3, 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 June 3, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:03 pm
PDX
- BIL
Nonstop1h 49m
Alaska Airlines
Wed 11/113:32 pm
BIL
- PDX
Nonstop2h 12m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:41 pm
PDX
- BZN
1 stop4h 18m
Alaska Airlines
Tue 8/253:35 pm
BZN
- PDX
Nonstop1h 52m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$227
This Delta deal was found by Cheapflights users on 6/2. 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 8/205:08 pm
PDX
- BZN
1 stop5h 56m
Delta
Tue 8/256:00 am
BZN
- PDX
1 stop3h 37m
Delta
Deal found 6/2![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 6/1. 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.
Thu 8/204:20 pm
PDX
- BZN
1 stop5h 05m
Southwest
Tue 8/256:55 am
BZN
- PDX
2 stops8h 10m
Southwest
Deal found 6/1![Southwest logo]()
$242
This Orbitz deal was found by Cheapflights users on 6/2. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2910:48 am
PDX
- MSO
Nonstop1h 37m
Alaska Airlines
Fri 9/44:16 pm
MSO
- PDX
1 stop4h 34m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:41 pm
PDX
- BIL
1 stop4h 48m
Alaska Airlines
Sun 8/236:21 pm
BIL
- PDX
Nonstop2h 02m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 6/2. 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 9/173:21 pm
PDX
- BZN
1 stop6h 19m
Delta
Sun 9/206:00 am
BZN
- PDX
1 stop3h 41m
Delta
Deal found 6/2![Delta logo]()
$247
This Southwest deal was found by Cheapflights users on 5/30. 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.
Fri 8/2112:40 pm
PDX
- BZN
2 stops8h 45m
Southwest
Mon 8/245:05 pm
BZN
- PDX
1 stop7h 00m
Southwest
Deal found 5/30![Southwest logo]()
$252
This Delta deal was found by Cheapflights users on 6/2. 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 9/175:10 pm
PDX
- MSO
1 stop4h 16m
Delta
Sun 9/205:30 am
MSO
- PDX
1 stop4h 11m
Delta
Deal found 6/2![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:08 pm
PDX
- BIL
1 stop4h 17m
Delta
Sun 8/235:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 6/3![Delta logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 5/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:03 pm
PDX
- BIL
Nonstop1h 49m
Alaska Airlines
Wed 11/45:12 pm
BIL
- PDX
1 stop5h 43m
Alaska Airlines
Deal found 5/29![Alaska Airlines logo]()
$261
This Southwest deal was found by Cheapflights users on 6/1. 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 7/215:55 pm
PDX
- BZN
1 stop5h 55m
Southwest
Thu 7/237:15 pm
BZN
- PDX
1 stop6h 20m
Southwest
Deal found 6/1![Southwest logo]()
$261
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 June 3, 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 June 3, 2026.
This Delta deal was found by Cheapflights users on 5/30. 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.
Fri 8/215:54 pm
PDX
- BZN
1 stop3h 48m
Delta
Mon 8/246:00 am
BZN
- PDX
1 stop3h 37m
Delta
Deal found 5/30![Delta logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/95:30 pm
PDX
- BZN
1 stop4h 49m
Alaska Airlines
Tue 9/83:43 pm
BZN
- PDX
Nonstop1h 52m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$298
This Southwest deal was found by Cheapflights users on 5/29. 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.
Mon 7/206:00 pm
PDX
- BZN
1 stop6h 15m
Southwest
Fri 7/247:15 pm
BZN
- PDX
1 stop6h 20m
Southwest
Deal found 5/29![Southwest logo]()
$309
This Delta deal was found by Cheapflights users on 6/1. 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 8/195:08 pm
PDX
- BIL
1 stop4h 17m
Delta
Sun 8/235:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 6/1![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 6/2. 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.
Wed 10/213:36 pm
PDX
- BTM
2 stops29h 51m
United Airlines
Sat 10/2410:00 am
BTM
- PDX
1 stop24h 40m
United Airlines
Deal found 6/2![United Airlines logo]()
$550
This Delta deal was found by Cheapflights users on 5/31. 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 8/95:54 pm
PDX
- BZN
1 stop3h 48m
Delta
Tue 9/83:40 pm
BZN
- PDX
1 stop4h 01m
Delta
Deal found 5/31![Delta logo]()
$277
This Southwest deal was found by Cheapflights users on 6/2. 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.
Wed 7/155:55 pm
PDX
- BZN
1 stop5h 55m
Southwest
Sun 7/196:00 am
BZN
- PDX
1 stop7h 25m
Southwest
Deal found 6/2![Southwest logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 5/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:45 am
PDX
- GTF
1 stop4h 32m
Alaska Airlines
Wed 11/114:57 pm
GTF
- PDX
1 stop5h 58m
Alaska Airlines
Deal found 5/29![Alaska Airlines logo]()
$326
This Alaska Airlines deal was found by Cheapflights users on 6/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2610:45 am
PDX
- GTF
1 stop4h 54m
Alaska Airlines
Wed 9/305:19 pm
GTF
- PDX
1 stop5h 42m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$326
This Delta deal was found by Cheapflights users on 5/29. 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 7/115:14 pm
PDX
- BIL
1 stop4h 39m
Delta
Mon 7/135:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 5/29![Delta logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 6/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2512:13 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Sat 8/13:43 pm
BIL
- PDX
Nonstop2h 03m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$332
This Delta deal was found by Cheapflights users on 5/31. 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 7/149:45 am
PDX
- BIL
1 stop7h 07m
Delta
Mon 7/2011:50 am
BIL
- PDX
1 stop5h 19m
Delta
Deal found 5/31![Delta logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:48 am
PDX
- MSO
Nonstop1h 38m
Alaska Airlines
Thu 10/221:06 pm
MSO
- PDX
Nonstop1h 36m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 6/2. 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 6/249:30 am
PDX
- BZN
1 stop4h 05m
Delta
Wed 7/15:15 am
BZN
- PDX
1 stop4h 24m
Delta
Deal found 6/2![Delta logo]()
$328
This Alaska Airlines deal was found by Cheapflights users on 5/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1410:45 am
PDX
- HLN
1 stop4h 19m
Alaska Airlines
Wed 11/184:41 pm
HLN
- PDX
1 stop4h 00m
Alaska Airlines
Deal found 5/29![Alaska Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 6/1. 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 8/35:08 pm
PDX
- BZN
1 stop5h 56m
Delta
Sat 8/86:00 am
BZN
- PDX
1 stop3h 37m
Delta
Deal found 6/1![Delta logo]()
$328
This Alaska Airlines deal was found by Cheapflights users on 5/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:28 am
PDX
- HLN
1 stop5h 43m
Alaska Airlines
Wed 11/44:41 pm
HLN
- PDX
1 stop6h 14m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 5/30. 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.
Sat 8/15:14 pm
PDX
- BZN
1 stop3h 49m
Delta
Wed 8/56:00 am
BZN
- PDX
1 stop3h 37m
Delta
Deal found 5/30![Delta logo]()
$328
This Alaska Airlines deal was found by Cheapflights users on 5/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:48 am
PDX
- HLN
1 stop3h 46m
Alaska Airlines
Sat 8/295:11 pm
HLN
- PDX
1 stop5h 50m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 6/2. 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 8/65:08 pm
PDX
- BZN
1 stop5h 56m
Delta
Wed 8/123:54 pm
BZN
- PDX
1 stop7h 08m
Delta
Deal found 6/2![Delta logo]()
$328
This Alaska Airlines deal was found by Cheapflights users on 6/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:19 am
PDX
- MSO
1 stop3h 23m
Alaska Airlines
Tue 7/75:41 pm
MSO
- PDX
Nonstop1h 35m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 6/2. 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 8/59:45 am
PDX
- BTM
1 stop6h 11m
Delta
Sun 8/96:10 pm
BTM
- PDX
1 stop6h 29m
Delta
Deal found 6/2![Delta logo]()
$352
This United Airlines deal was found by Cheapflights users on 5/31. 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.
Thu 7/24:15 pm
PDX
- COD
1 stop16h 13m
United Airlines
Fri 7/35:55 pm
COD
- PDX
2 stops17h 25m
United Airlines
Deal found 5/31![United Airlines logo]()
$777
This Alaska Airlines deal was found by Cheapflights users on 5/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:18 pm
PDX
- FCA
1 stop5h 47m
Alaska Airlines
Wed 10/211:03 pm
FCA
- PDX
Nonstop1h 39m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 5/29. 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 8/45:30 am
PDX
- BTM
2 stops10h 26m
Delta
Sat 8/86:10 pm
BTM
- PDX
1 stop5h 28m
Delta
Deal found 5/29![Delta logo]()
$362
This Alaska Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:03 am
PDX
- MSO
2 stops14h 53m
Alaska Airlines
Fri 9/44:16 pm
MSO
- PDX
1 stop6h 45m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$372
This United Airlines deal was found by Cheapflights users on 6/1. 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 6/285:00 am
PDX
- COD
1 stop16h 43m
United Airlines
Sun 7/55:55 pm
COD
- PDX
1 stop6h 18m
United Airlines
Deal found 6/1![United Airlines logo]()
$856
This Alaska Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/105:00 am
PDX
- MSO
1 stop4h 42m
Alaska Airlines
Thu 8/135:41 pm
MSO
- PDX
Nonstop1h 35m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 6/1. 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.
Tue 8/185:45 am
PDX
- HLN
1 stop5h 30m
Delta
Fri 8/215:40 am
HLN
- PDX
1 stop3h 57m
Delta
Deal found 6/1![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 5/31. 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.
Sun 6/285:00 am
PDX
- COD
1 stop16h 43m
United Airlines
Mon 7/65:55 pm
COD
- PDX
2 stops17h 25m
United Airlines
Deal found 5/31![United Airlines logo]()
$877
Last-minute flights from Portland to MontanaDiscover last-minute flight deals from Portland to Montana. Data last updated June 3, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Montana. Data last updated June 3, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 6/1. 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 6/305:55 pm
PDX
- BZN
1 stop5h 50m
Southwest
Fri 7/37:15 pm
BZN
- PDX
1 stop6h 15m
Southwest
Deal found 6/1![Southwest logo]()
$275
This Alaska Airlines deal was found by Cheapflights users on 6/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/42:30 pm
PDX
- MSO
Nonstop1h 31m
Alaska Airlines
Tue 7/75:41 pm
MSO
- PDX
Nonstop1h 35m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 6/3. 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.
Tue 7/75:55 pm
PDX
- BZN
1 stop5h 55m
Southwest
Tue 7/147:00 pm
BZN
- PDX
1 stop5h 55m
Southwest
Deal found 6/3![Southwest logo]()
$295
This Southwest deal was found by Cheapflights users on 5/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:55 pm
PDX
- BZN
1 stop5h 55m
Southwest
Wed 7/227:00 pm
BZN
- PDX
1 stop5h 55m
Southwest
Deal found 5/31![Southwest logo]()
$247
This Southwest deal was found by Cheapflights users on 6/2. 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.
Wed 7/84:05 pm
PDX
- BZN
2 stops7h 45m
Southwest
Mon 7/137:15 pm
BZN
- PDX
1 stop6h 20m
Southwest
Deal found 6/2![Southwest logo]()
$266
This Expedia deal was found by Cheapflights users on 5/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1412:13 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Mon 7/203:43 pm
BIL
- PDX
Nonstop2h 03m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 6/2. 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.
Wed 7/155:55 pm
PDX
- BZN
1 stop5h 55m
Southwest
Sun 7/196:00 am
BZN
- PDX
1 stop7h 25m
Southwest
Deal found 6/2![Southwest logo]()
$317
This Southwest deal was found by Cheapflights users on 5/29. 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.
Fri 7/175:35 pm
PDX
- BZN
1 stop5h 00m
Southwest
Mon 7/207:15 pm
BZN
- PDX
1 stop6h 20m
Southwest
Deal found 5/29![Southwest logo]()
$309
This Southwest deal was found by Cheapflights users on 5/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:00 pm
PDX
- BZN
1 stop6h 15m
Southwest
Fri 7/247:15 pm
BZN
- PDX
1 stop6h 20m
Southwest
Deal found 5/31![Southwest logo]()
$301
This Southwest deal was found by Cheapflights users on 6/1. 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 7/215:55 pm
PDX
- BZN
1 stop5h 55m
Southwest
Fri 7/247:15 pm
BZN
- PDX
1 stop6h 20m
Southwest
Deal found 6/1![Southwest logo]()
$261
This Southwest deal was found by Cheapflights users on 5/29. 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.
Wed 7/293:40 pm
PDX
- BZN
1 stop8h 10m
Southwest
Sun 8/95:45 pm
BZN
- PDX
1 stop7h 10m
Southwest
Deal found 5/29![Southwest logo]()
$308
This Southwest deal was found by Cheapflights users on 5/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/293:40 pm
PDX
- BZN
1 stop8h 10m
Southwest
Sat 8/14:00 pm
BZN
- PDX
1 stop8h 55m
Southwest
Deal found 5/31![Southwest logo]()
$313
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 June 3, 2026.
Search for one-way flight options from Portland to Montana. Find affordable one-way fares based on user searches. Data last updated June 3, 2026.
This Southwest deal was found by Cheapflights users on 5/29. 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.
Wed 7/85:55 pm
PDX
- BZN
1 stop5h 55m
Southwest
Deal found 5/29![Southwest logo]()
$124
This Delta deal was found by Cheapflights users on 6/1. 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.
Thu 10/295:05 pm
PDX
- MSO
1 stop6h 26m
Delta
Deal found 6/1![Delta logo]()
$129
This Southwest deal was found by Cheapflights users on 5/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/164:25 pm
PDX
- BZN
1 stop7h 50m
Southwest
Deal found 5/31![Southwest logo]()
$138
This deal was found by Cheapflights users on 6/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3110:33 am
PDX
- BZN
Nonstop1h 51m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$144
This Southwest deal was found by Cheapflights users on 5/29. 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.
Mon 8/315:15 am
PDX
- BZN
2 stops8h 35m
Southwest
Deal found 5/29![Southwest logo]()
$157
This Delta deal was found by Cheapflights users on 6/2. 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 9/235:50 am
PDX
- HLN
1 stop5h 27m
Delta
Deal found 6/2![Delta logo]()
$167
This Southwest deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/246:00 pm
PDX
- BZN
1 stop6h 15m
Southwest
Deal found 6/2![Southwest logo]()
$172
This Southwest deal was found by Cheapflights users on 6/1. 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.
Wed 6/174:05 pm
PDX
- BZN
2 stops7h 40m
Southwest
Deal found 6/1![Southwest logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 5/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/266:38 pm
PDX
- BZN
1 stop19h 15m
Allegiant Air
Deal found 5/31![Allegiant Air logo]()
$179
This CheapOair deal was found by Cheapflights users on 5/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2512:13 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Deal found 5/29![Alaska Airlines logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 5/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:38 pm
PDX
- BZN
1 stop19h 15m
Allegiant Air
Deal found 5/31![Allegiant Air logo]()
$184
This Alaska Airlines deal was found by Cheapflights users on 6/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:48 am
PDX
- MSO
Nonstop1h 37m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$185
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 June 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $227 (Alaska Airlines) |
One-way from | $124 (Southwest) |
Popular in | April |
Cheapest in | January |
Average price | $393 |
Good round-trip deal | $298 or less |
Good one-way deal | $189 or less |
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 June 3, 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
PDX - BZN
PDXBZN
Portland
Fri 8/21
5:54 pm-10:42 pm
1 stop3h 48m
Bozeman Gallatin Field
Mon 8/24
6:00 am-8:37 am
1 stop3h 37m
$247
PortlandBillings
PDX - BIL
PDXBIL
Portland
Wed 8/19
5:08 pm-10:25 pm
1 stop4h 17m
Billings Logan Intl
Sun 8/23
5:20 am-8:37 am
1 stop4h 17m
$257
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Sun 8/9
5:54 pm-10:42 pm
1 stop3h 48m
Bozeman Gallatin Field
Tue 9/8
3:40 pm-6:41 pm
1 stop4h 01m
$277
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Sun 8/9
5:30 pm-11:19 pm
1 stop4h 49m
Bozeman Gallatin Field
Tue 9/8
3:43 pm-4:35 pm
Nonstop1h 52m
$298
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Mon 7/20
6:00 pm-1:15 am
1 stop6h 15m
Bozeman Gallatin Field
Fri 7/24
7:15 pm-12:35 am
1 stop6h 20m
$309
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Wed 7/15
5:55 pm-12:50 am
1 stop5h 55m
Bozeman Gallatin Field
Sun 7/19
6:00 am-12:25 pm
1 stop7h 25m
$317
PortlandGreat Falls
PDX - GTF
PDXGTF
Portland
Sat 11/7
10:45 am-4:17 pm
1 stop4h 32m
Great Falls
Wed 11/11
4:57 pm-9:55 pm
1 stop5h 58m
$326
PortlandGreat Falls
PDX - GTF
PDXGTF
Portland
Sat 9/26
10:45 am-4:39 pm
1 stop4h 54m
Great Falls
Wed 9/30
5:19 pm-10:01 pm
1 stop5h 42m
$326
PortlandBillings
PDX - BIL
PDXBIL
Portland
Sat 7/11
5:14 pm-10:53 pm
1 stop4h 39m
Billings Logan Intl
Mon 7/13
5:20 am-8:37 am
1 stop4h 17m
$327
PortlandBillings
PDX - BIL
PDXBIL
Portland
Tue 7/14
9:45 am-5:52 pm
1 stop7h 07m
Billings Logan Intl
Mon 7/20
11:50 am-4:09 pm
1 stop5h 19m
$327
Showing 1-10 of 60 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.
PDX-BIL
PDX-BZN
PDX-GTF
PDX-MSO
PDX-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
PDX-USMT
PDX-BIL
PDX-BZN
PDX-GTF
PDX-MSO
What is the cheapest month to book a flight from Portland to Montana?
Currently, March is the cheapest month in which you can book a flight from Portland to Montana (average of $88). Flying from Portland to Montana in June is currently the most expensive (average of $238). 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.
What is the cheapest time of day to fly from PDX to MT?
Find hourly flight availability from Portland to Montana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 3, 2026.
A simple way to save on the total cost of your ticket is to fly from Portland to Montana in the evening. If you’re flexible enough to do this you can expect to save up to 49% on your trip compared to booking a flight at noon.
How much does it cost to fly round-trip from Portland to Montana?
How far ahead should I book a flight from Portland to Montana?
The best time to book flights from Portland to Montana is 86 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from Portland to Montana?
Use this chart to determine the cheapest time to fly round-trip from Portland to Montana. Price data was last updated on May 30, 2026.
Travelers seeking maximum savings on their Portland to Montana flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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 June 3, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andHawaiian Airlines from Portland to Montana by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Food
7.1
Entertainment
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Crew
8.5
Food
7.1
Entertainment
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Crew
8.5
Food
7.1
Entertainment
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Crew
8.5
Food
7.1
Entertainment
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Crew
8.5
Food
7.1
Entertainment
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
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 June 3, 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 4 airlines flying from Portland to Montana
Discover the top 4 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 June 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$378 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$119 | Average$284 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$137 | Average$398 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$211 | Average$271 | FlexibilityNo cancel fee | On-time69% |