$109+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BZN
Aug 22 — Aug 291
Round-trip
1 adult, Economy
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Cheapest flights from Portland to MontanaExplore the most affordable flight options available from Portland to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
Explore the most affordable flight options available from Portland to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 10/2110:30 am
PDX
- BZN
Nonstop1h 45m
Alaska Airlines
Sat 10/243:55 pm
BZN
- PDX
Nonstop1h 48m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$207
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:50 pm
PDX
- BZN
1 stop3h 59m
Delta
Sat 9/198:25 am
BZN
- PDX
1 stop4h 21m
Delta
Deal found 7/19![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/172:40 pm
PDX
- BZN
1 stop5h 05m
Southwest
Sat 10/2411:25 am
BZN
- PDX
2 stops8h 10m
Southwest
Deal found 7/18![Southwest logo]()
$222
This Alaska Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 9/2612:08 pm
PDX
- BIL
Nonstop1h 54m
Alaska Airlines
Wed 9/303:42 pm
BIL
- PDX
Nonstop2h 02m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$227
This Southwest deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/292:05 pm
PDX
- BZN
1 stop6h 10m
Southwest
Mon 8/315:05 pm
BZN
- PDX
1 stop7h 00m
Southwest
Deal found 7/19![Southwest logo]()
$227
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:25 pm
PDX
- BIL
1 stop4h 51m
United Airlines
Wed 11/114:00 pm
BIL
- PDX
1 stop8h 07m
United Airlines
Deal found 7/21![United Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/275:45 am
PDX
- BZN
1 stop5h 20m
Delta
Mon 8/316:00 am
BZN
- PDX
1 stop3h 37m
Delta
Deal found 7/20![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 11/135:10 am
PDX
- BZN
2 stops9h 15m
Southwest
Mon 11/168:10 am
BZN
- PDX
1 stop6h 00m
Southwest
Deal found 7/19![Southwest logo]()
$242
This Travelocity deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:03 pm
PDX
- BIL
Nonstop1h 49m
Alaska Airlines
Tue 11/173:32 pm
BIL
- PDX
Nonstop2h 12m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$246
This Alaska Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 11/1410:48 am
PDX
- MSO
Nonstop1h 27m
Alaska Airlines
Wed 11/1812:55 pm
MSO
- PDX
Nonstop1h 37m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/273:25 pm
PDX
- BZN
1 stop6h 17m
Delta
Sun 8/308:25 am
BZN
- PDX
1 stop4h 20m
Delta
Deal found 7/22![Delta logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:41 pm
PDX
- BIL
1 stop4h 48m
Alaska Airlines
Mon 9/143:42 pm
BIL
- PDX
Nonstop2h 02m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$257
Best flights from Portland to MontanaDiscover carefully curated flight deals from Portland to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
Discover carefully curated flight deals from Portland to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 9/95:50 pm
PDX
- BZN
1 stop3h 59m
Delta
Tue 9/153:38 pm
BZN
- PDX
1 stop5h 24m
Delta
Deal found 7/21![Delta logo]()
$227
This Southwest deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 11/101:00 pm
PDX
- BZN
2 stops7h 25m
Southwest
Thu 11/1911:20 am
BZN
- PDX
2 stops8h 20m
Southwest
Deal found 7/18![Southwest logo]()
$237
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/187:00 am
PDX
- BZN
1 stop7h 19m
United Airlines
Tue 8/254:32 pm
BZN
- PDX
1 stop5h 33m
United Airlines
Deal found 7/20![United Airlines logo]()
$265
This Alaska Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 10/2110:30 am
PDX
- BZN
Nonstop1h 45m
Alaska Airlines
Sat 10/2410:20 am
BZN
- PDX
2 stops11h 10m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$272
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/275:45 am
PDX
- BZN
1 stop5h 20m
Delta
Mon 8/316:00 am
BZN
- PDX
1 stop3h 37m
Delta
Deal found 7/19![Delta logo]()
$237
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 10/167:15 pm
PDX
- BZN
1 stop4h 02m
Delta
Mon 10/191:10 pm
BZN
- PDX
1 stop4h 00m
Delta
Deal found 7/22![Delta logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:09 am
PDX
- BZN
1 stop14h 50m
Alaska Airlines
Sat 9/123:42 pm
BZN
- PDX
Nonstop1h 52m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$290
This Southwest deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 8/271:35 pm
PDX
- BZN
2 stops9h 05m
Southwest
Mon 8/315:05 pm
BZN
- PDX
1 stop7h 00m
Southwest
Deal found 7/18![Southwest logo]()
$295
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 9/169:46 am
PDX
- MSO
1 stop6h 51m
Delta
Tue 9/225:30 am
MSO
- PDX
1 stop4h 11m
Delta
Deal found 7/19![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/264:07 pm
PDX
- BIL
1 stop5h 44m
United Airlines
Wed 9/305:57 pm
BIL
- PDX
1 stop5h 56m
United Airlines
Deal found 7/20![United Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 9/119:46 am
PDX
- BIL
1 stop7h 07m
Delta
Mon 9/145:20 am
BIL
- PDX
1 stop4h 21m
Delta
Deal found 7/20![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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
Sun 8/236:30 am
BZN
- PDX
1 stop5h 35m
Southwest
Deal found 7/18![Southwest logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 9/265:07 am
PDX
- BIL
1 stop5h 33m
Alaska Airlines
Wed 9/306:14 am
BIL
- PDX
1 stop6h 06m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$320
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 9/95:10 pm
PDX
- BZN
1 stop6h 09m
Delta
Sat 9/128:25 am
BZN
- PDX
1 stop4h 21m
Delta
Deal found 7/19![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/215:00 am
PDX
- COD
1 stop7h 50m
United Airlines
Sun 8/305:00 am
COD
- PDX
1 stop5h 32m
United Airlines
Deal found 7/23![United Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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
- BZN
1 stop5h 56m
Delta
Sun 8/236:00 am
BZN
- PDX
1 stop3h 37m
Delta
Deal found 7/18![Delta logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:20 am
PDX
- MSO
1 stop4h 57m
Alaska Airlines
Tue 9/221:19 pm
MSO
- PDX
Nonstop1h 31m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 8/224:07 pm
PDX
- COD
1 stop5h 38m
United Airlines
Wed 8/262:25 pm
COD
- PDX
1 stop7h 40m
United Airlines
Deal found 7/18![United Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 9/69:45 am
PDX
- MSO
1 stop7h 09m
Delta
Sat 9/126:17 pm
MSO
- PDX
1 stop5h 16m
Delta
Deal found 7/20![Delta logo]()
$262
This Alaska Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 11/147:05 am
PDX
- GTF
1 stop8h 12m
Alaska Airlines
Tue 11/174:57 pm
GTF
- PDX
1 stop19h 22m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$362
This Alaska Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:09 am
PDX
- HLN
1 stop9h 40m
Alaska Airlines
Sat 10/245:26 pm
HLN
- PDX
1 stop6h 36m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/235:10 pm
PDX
- FCA
1 stop4h 44m
Delta
Wed 9/305:30 am
FCA
- PDX
1 stop4h 11m
Delta
Deal found 7/22![Delta logo]()
$287
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:00 am
PDX
- COD
1 stop6h 53m
United Airlines
Wed 11/111:28 pm
COD
- PDX
1 stop8h 40m
United Airlines
Deal found 7/20![United Airlines logo]()
$439
This Alaska Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/135:30 pm
PDX
- BIL
1 stop5h 21m
Alaska Airlines
Sat 8/153:43 pm
BIL
- PDX
Nonstop2h 03m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 7/23![Delta logo]()
$302
This Alaska Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/1912:08 pm
PDX
- BIL
Nonstop1h 54m
Alaska Airlines
Sun 8/236:21 pm
BIL
- PDX
Nonstop2h 02m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 9/59:20 am
PDX
- GTF
1 stop6h 25m
Alaska Airlines
Sun 9/205:19 pm
GTF
- PDX
1 stop3h 31m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$386
This Delta deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 8/109:45 am
PDX
- BIL
1 stop6h 59m
Delta
Mon 8/176:24 pm
BIL
- PDX
1 stop6h 15m
Delta
Deal found 7/18![Delta logo]()
$327
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/267:07 pm
PDX
- BTM
1 stop26h 19m
United Airlines
Sat 8/298:38 am
BTM
- PDX
1 stop25h 54m
United Airlines
Deal found 7/22![United Airlines logo]()
$560
This Alaska Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 8/279:30 am
PDX
- HLN
1 stop6h 04m
Alaska Airlines
Mon 8/315:11 pm
HLN
- PDX
1 stop26h 26m
Alaska Airlines
Deal found 7/18![Alaska Airlines logo]()
$393
Last-minute flights from Portland to MontanaDiscover last-minute flight deals from Portland to Montana. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Montana. Data last updated July 23, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/187:00 am
PDX
- BZN
1 stop7h 19m
United Airlines
Tue 8/254:32 pm
BZN
- PDX
1 stop5h 33m
United Airlines
Deal found 7/20![United Airlines logo]()
$265
This Delta deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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
- BZN
1 stop5h 56m
Delta
Sat 8/226:00 am
BZN
- PDX
1 stop3h 37m
Delta
Deal found 7/18![Delta logo]()
$217
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/195:45 am
PDX
- BIL
1 stop4h 22m
Delta
Sun 8/235:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 7/20![Delta logo]()
$247
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/205:45 am
PDX
- MSO
1 stop5h 51m
Delta
Sun 8/235:30 am
MSO
- PDX
1 stop4h 07m
Delta
Deal found 7/20![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/215:08 pm
PDX
- BIL
1 stop4h 17m
Delta
Mon 8/245:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 7/21![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/225:54 pm
PDX
- BZN
1 stop3h 48m
Delta
Sun 8/236:00 am
BZN
- PDX
1 stop3h 37m
Delta
Deal found 7/19![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2211:20 am
PDX
- BZN
2 stops7h 45m
Southwest
Sat 8/294:10 pm
BZN
- PDX
1 stop5h 55m
Southwest
Deal found 7/22![Southwest logo]()
$261
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/265:08 pm
PDX
- MSO
1 stop6h 10m
Delta
Mon 8/315:30 am
MSO
- PDX
1 stop4h 07m
Delta
Deal found 7/20![Delta logo]()
$262
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/275:45 am
PDX
- BZN
1 stop5h 20m
Delta
Mon 8/316:00 am
BZN
- PDX
1 stop3h 37m
Delta
Deal found 7/20![Delta logo]()
$237
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/273:25 pm
PDX
- BZN
1 stop6h 17m
Delta
Sun 8/308:25 am
BZN
- PDX
1 stop4h 20m
Delta
Deal found 7/22![Delta logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 8/2710:33 am
PDX
- BZN
Nonstop1h 51m
Alaska Airlines
Sat 8/293:35 pm
BZN
- PDX
Nonstop1h 52m
Alaska Airlines
Deal found 7/18![Alaska Airlines logo]()
$258
This Southwest deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/292:05 pm
PDX
- BZN
1 stop6h 10m
Southwest
Mon 8/315:05 pm
BZN
- PDX
1 stop7h 00m
Southwest
Deal found 7/19![Southwest logo]()
$227
One-way flights from Portland to MontanaSearch for one-way flight options from Portland to Montana. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
Search for one-way flight options from Portland to Montana. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/221:30 pm
PDX
- BZN
1 stop5h 35m
Southwest
Deal found 7/20![Southwest logo]()
$109
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:00 am
PDX
- BZN
1 stop7h 19m
United Airlines
Deal found 7/20![United Airlines logo]()
$119
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/245:15 am
PDX
- BZN
2 stops8h 35m
Southwest
Deal found 7/20![Southwest logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 9/109:34 pm
PDX
- FCA
1 stop21h 19m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$124
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/287:00 pm
PDX
- MSO
1 stop4h 18m
Delta
Deal found 7/20![Delta logo]()
$134
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/2810:50 am
PDX
- BIL
1 stop5h 26m
United Airlines
Deal found 7/22![United Airlines logo]()
$134
This United Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/237:00 am
PDX
- BZN
1 stop7h 19m
United Airlines
Deal found 7/19![United Airlines logo]()
$138
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:50 pm
PDX
- BZN
1 stop3h 59m
Delta
Deal found 7/20![Delta logo]()
$139
This Delta deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:10 pm
PDX
- FCA
1 stop4h 44m
Delta
Deal found 7/18![Delta logo]()
$139
This Priceline deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:08 pm
PDX
- BIL
Nonstop1h 54m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$144
This Alaska Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/2010:33 am
PDX
- BZN
Nonstop1h 51m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$144
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:45 am
PDX
- FCA
1 stop4h 24m
Delta
Deal found 7/22![Delta logo]()
$144
Find flight deals from Portland to Montana
Keep the following information in mind while searching for Portland to Montana flight deals. Data was last updated July 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $207 (Alaska Airlines) |
One-way from | $109 (Southwest) |
Popular in | June |
Cheapest in | January |
Average price | $448 |
Good round-trip deal | $207 or less |
Good one-way deal | $208 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 July 23, 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
Wed 9/9
5:50 pm-10:49 pm
1 stop3h 59m
Bozeman Gallatin Field
Tue 9/15
3:38 pm-8:02 pm
1 stop5h 24m
$227
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Tue 11/10
1:00 pm-9:25 pm
2 stops7h 25m
Bozeman Gallatin Field
Thu 11/19
11:20 am-6:40 pm
2 stops8h 20m
$237
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Thu 8/27
5:45 am-12:05 pm
1 stop5h 20m
Bozeman Gallatin Field
Mon 8/31
6:00 am-8:37 am
1 stop3h 37m
$237
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Fri 10/16
7:15 pm-12:17 am
1 stop4h 02m
Bozeman Gallatin Field
Mon 10/19
1:10 pm-4:10 pm
1 stop4h 00m
$247
PortlandMissoula
PDX - MSO
PDXMSO
Portland
Wed 9/16
9:46 am-5:37 pm
1 stop6h 51m
Missoula Johnson-Bell Field
Tue 9/22
5:30 am-8:41 am
1 stop4h 11m
$257
PortlandBillings
PDX - BIL
PDXBIL
Portland
Fri 9/11
9:46 am-5:53 pm
1 stop7h 07m
Billings Logan Intl
Mon 9/14
5:20 am-8:41 am
1 stop4h 21m
$257
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Wed 9/9
5:10 pm-12:19 am
1 stop6h 09m
Bozeman Gallatin Field
Sat 9/12
8:25 am-11:46 am
1 stop4h 21m
$257
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Wed 8/19
5:08 pm-12:04 am
1 stop5h 56m
Bozeman Gallatin Field
Sun 8/23
6:00 am-8:37 am
1 stop3h 37m
$257
PortlandMissoula
PDX - MSO
PDXMSO
Portland
Sun 9/6
9:45 am-5:54 pm
1 stop7h 09m
Missoula Johnson-Bell Field
Sat 9/12
6:17 pm-10:33 pm
1 stop5h 16m
$262
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Tue 8/18
7:00 am-3:19 pm
1 stop7h 19m
Bozeman Gallatin Field
Tue 8/25
4:32 pm-9:05 pm
1 stop5h 33m
$265
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-BZN
PDX-MSO
PDX-BIL
PDX-FCA
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-BZN
PDX-MSO
PDX-BIL
PDX-FCA
What is the cheapest month to book a flight from Portland to Montana?
Currently, January is the cheapest month in which you can book a flight from Portland to Montana (average of $261). Flying from Portland to Montana in July is currently the most expensive (average of $531). 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 July 23, 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 50% on your trip compared to booking a flight at noon.
Weekly flight availability from Portland to Montana
Explore weekly flight availability from Portland to Montana. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 23, 2026.
The most flights from PDX to USMT are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Portland to Montana?
Airfare is below average for this route at the moment.
Portland to Montana flights typically cost between $300 and $442 in October.The cheapest round-trip price found within the last 5 days was $207 on Alaska Airlines (Oct 21-Oct 24).
How far ahead should I book a flight from Portland to Montana?
The best time to book flights from Portland to Montana is 84 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 July 18, 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 July 23, 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.
Comfort
7.8
Crew
8.5
Entertainment
7.0
Boarding
8.1
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Comfort
7.8
Crew
8.5
Entertainment
7.0
Boarding
8.1
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Comfort
7.8
Crew
8.5
Entertainment
7.0
Boarding
8.1
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Comfort
7.8
Crew
8.5
Entertainment
7.0
Boarding
8.1
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Comfort
7.8
Crew
8.5
Entertainment
7.0
Boarding
8.1
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
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
Complete your trip to Montana by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Montana by cabin class
Find flights from Portland to Montana, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Montana flights
Browse other Portland and Montana flight options. Last updated on July 23, 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 July 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$382 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$123 | Average$287 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$137 | Average$402 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$211 | Average$271 | FlexibilityNo cancel fee | On-time69% |