$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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BZN
Jul 20 — Jul 271
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Portland to MontanaExplore the most affordable flight options available from Portland to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 20, 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 20, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 9/1510:33 am
PDX
- BZN
Nonstop1h 51m
Alaska Airlines
Sat 9/193:42 pm
BZN
- PDX
Nonstop1h 52m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$207
This Alaska Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 9/157:09 am
PDX
- BZN
1 stop6h 37m
Alaska Airlines
Wed 9/233:42 pm
BZN
- PDX
Nonstop1h 52m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 9/195:07 am
PDX
- BZN
1 stop3h 47m
Alaska Airlines
Sat 9/192:21 pm
BZN
- PDX
1 stop6h 29m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$227
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 8/205:54 pm
PDX
- BZN
1 stop3h 48m
Delta
Tue 8/258:25 am
BZN
- PDX
1 stop4h 20m
Delta
Deal found 6/16![Delta logo]()
$232
This Alaska Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 10/2010:48 am
PDX
- MSO
Nonstop1h 38m
Alaska Airlines
Sat 10/241:06 pm
MSO
- PDX
Nonstop1h 36m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 10/2212:14 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Sat 10/243:44 pm
BIL
- PDX
Nonstop2h 06m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 9/157:09 am
PDX
- BZN
1 stop6h 37m
Alaska Airlines
Thu 9/172:21 pm
BZN
- PDX
1 stop6h 29m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$237
This Priceline deal was found by Cheapflights users on 6/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/305:41 pm
PDX
- BIL
1 stop4h 48m
Alaska Airlines
Tue 9/83:42 pm
BIL
- PDX
Nonstop2h 02m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 10/167:14 pm
PDX
- BZN
1 stop3h 56m
Delta
Mon 10/191:05 pm
BZN
- PDX
1 stop4h 22m
Delta
Deal found 6/16![Delta logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 6/18. 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.
Tue 9/1510:48 am
PDX
- MSO
Nonstop1h 37m
Alaska Airlines
Mon 9/211:19 pm
MSO
- PDX
Nonstop1h 31m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$252
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 6/16![Delta logo]()
$252
This Delta deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 9/155:50 pm
PDX
- BZN
1 stop3h 50m
Delta
Thu 9/176:00 am
BZN
- PDX
1 stop3h 41m
Delta
Deal found 6/15![Delta logo]()
$252
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 20, 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 20, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 9/1610:33 am
PDX
- BZN
Nonstop1h 51m
Alaska Airlines
Tue 9/223:42 pm
BZN
- PDX
Nonstop1h 52m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$207
This Delta deal was found by Cheapflights users on 6/19. 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 9/193:21 pm
PDX
- BZN
1 stop6h 19m
Delta
Mon 9/216:00 am
BZN
- PDX
1 stop3h 41m
Delta
Deal found 6/19![Delta logo]()
$232
This United Airlines deal was found by Cheapflights users on 6/18. 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.
Fri 8/214:07 pm
PDX
- BIL
1 stop5h 44m
United Airlines
Mon 8/245:00 am
BIL
- PDX
1 stop5h 32m
United Airlines
Deal found 6/18![United Airlines logo]()
$286
This Southwest deal was found by Cheapflights users on 6/18. 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 11/68:25 am
PDX
- BZN
1 stop6h 00m
Southwest
Thu 11/1211:05 am
BZN
- PDX
2 stops9h 30m
Southwest
Deal found 6/18![Southwest logo]()
$348
This Delta deal was found by Cheapflights users on 6/19. 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 9/15:08 pm
PDX
- MSO
1 stop5h 04m
Delta
Wed 9/26:27 pm
MSO
- PDX
1 stop5h 11m
Delta
Deal found 6/19![Delta logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 6/19. 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 9/2210:33 am
PDX
- BZN
Nonstop1h 51m
Alaska Airlines
Wed 9/233:42 pm
BZN
- PDX
Nonstop1h 52m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$267
This Delta deal was found by Cheapflights users on 6/20. 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 9/169:46 am
PDX
- MSO
1 stop6h 56m
Delta
Mon 9/216:22 pm
MSO
- PDX
1 stop6h 18m
Delta
Deal found 6/20![Delta logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 6/19. 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.
Sat 9/195:38 pm
PDX
- BZN
1 stop26h 07m
Alaska Airlines
Mon 9/213:42 pm
BZN
- PDX
Nonstop1h 52m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$274
This Delta deal was found by Cheapflights users on 6/19. 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 9/55:08 pm
PDX
- BZN
1 stop3h 55m
Delta
Mon 9/76:00 am
BZN
- PDX
1 stop3h 37m
Delta
Deal found 6/19![Delta logo]()
$272
This Alaska Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 6/16![Alaska Airlines logo]()
$287
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 8/294:07 pm
PDX
- COD
1 stop5h 38m
United Airlines
Wed 9/25:53 pm
COD
- PDX
1 stop6h 01m
United Airlines
Deal found 6/15![United Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 6/18. 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.
Sun 8/95:54 pm
PDX
- BZN
1 stop3h 48m
Delta
Tue 9/86:00 am
BZN
- PDX
1 stop3h 41m
Delta
Deal found 6/18![Delta logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 8/265:41 pm
PDX
- MSO
1 stop4h 18m
Alaska Airlines
Sun 8/307:15 am
MSO
- PDX
1 stop4h 58m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$323
This Alaska Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 9/1610:48 am
PDX
- MSO
Nonstop1h 37m
Alaska Airlines
Mon 9/217:00 am
MSO
- PDX
1 stop5h 20m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 7/75:45 am
PDX
- BIL
1 stop4h 24m
Delta
Tue 7/145:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 6/15![Delta logo]()
$327
This United Airlines deal was found by Cheapflights users on 6/19. 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.
Sat 8/297:00 am
PDX
- COD
2 stops14h 45m
United Airlines
Tue 9/110:10 am
COD
- PDX
2 stops13h 35m
United Airlines
Deal found 6/19![United Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 6/18. 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.
Fri 8/75:08 pm
PDX
- MSO
1 stop6h 10m
Delta
Mon 8/105:30 am
MSO
- PDX
1 stop4h 07m
Delta
Deal found 6/18![Delta logo]()
$328
This United Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 8/205:00 am
PDX
- COD
1 stop7h 50m
United Airlines
Thu 8/275:53 pm
COD
- PDX
1 stop6h 01m
United Airlines
Deal found 6/16![United Airlines logo]()
$453
This Alaska Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 8/99:19 am
PDX
- BZN
1 stop3h 50m
Alaska Airlines
Tue 9/83:42 pm
BZN
- PDX
Nonstop1h 52m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 6/19. 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 7/297:05 am
PDX
- BZN
1 stop6h 30m
Delta
Tue 8/43:49 pm
BZN
- PDX
1 stop4h 55m
Delta
Deal found 6/19![Delta logo]()
$328
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/115:00 am
PDX
- COD
1 stop7h 19m
United Airlines
Tue 7/145:15 am
COD
- PDX
1 stop5h 32m
United Airlines
Deal found 6/15![United Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 6/18. 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 8/55:54 pm
PDX
- BZN
1 stop3h 48m
Delta
Mon 8/108:25 am
BZN
- PDX
1 stop4h 20m
Delta
Deal found 6/18![Delta logo]()
$328
This Alaska Airlines deal was found by Cheapflights users on 6/19. 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.
Fri 9/115:41 pm
PDX
- BIL
1 stop4h 48m
Alaska Airlines
Mon 9/147:29 pm
BIL
- PDX
2 stops19h 06m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$368
This Delta deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 9/165:10 pm
PDX
- HLN
1 stop4h 14m
Delta
Wed 9/2312:57 pm
HLN
- PDX
1 stop4h 08m
Delta
Deal found 6/15![Delta logo]()
$333
This Alaska Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 8/612:13 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Mon 8/107:22 pm
BIL
- PDX
1 stop6h 00m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$407
This Delta deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 9/145:50 am
PDX
- HLN
1 stop5h 27m
Delta
Wed 9/2312:57 pm
HLN
- PDX
2 stops10h 05m
Delta
Deal found 6/15![Delta logo]()
$348
This Alaska Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 9/1711:48 am
PDX
- HLN
1 stop3h 53m
Alaska Airlines
Sun 9/205:18 pm
HLN
- PDX
1 stop5h 43m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 9/185:50 am
PDX
- HLN
1 stop5h 27m
Delta
Mon 9/2112:57 pm
HLN
- PDX
1 stop6h 19m
Delta
Deal found 6/15![Delta logo]()
$353
This United Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 8/81:14 pm
PDX
- BTM
2 stops32h 16m
United Airlines
Tue 8/118:37 am
BTM
- PDX
2 stops26h 34m
United Airlines
Deal found 6/17![United Airlines logo]()
$636
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 7/175:45 am
PDX
- BIL
1 stop4h 24m
Delta
Sun 7/195:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 6/16![Delta logo]()
$353
Last-minute flights from Portland to MontanaDiscover last-minute flight deals from Portland to Montana. Data last updated June 20, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Montana. Data last updated June 20, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/55:00 am
PDX
- BZN
1 stop5h 30m
Southwest
Fri 7/107:15 pm
BZN
- PDX
1 stop6h 20m
Southwest
Deal found 6/16![Southwest logo]()
$343
This Southwest deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 7/65:35 pm
PDX
- BZN
1 stop5h 00m
Southwest
Wed 7/87:00 pm
BZN
- PDX
1 stop5h 55m
Southwest
Deal found 6/15![Southwest logo]()
$336
This Southwest deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 7/157:00 pm
BZN
- PDX
1 stop5h 55m
Southwest
Deal found 6/17![Southwest logo]()
$309
This Booking.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com 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
Tue 7/213:43 pm
BIL
- PDX
Nonstop2h 03m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$339
This Priceline deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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.
Wed 7/1512:13 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Wed 7/223:43 pm
BIL
- PDX
Nonstop2h 03m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$342
This Delta deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 7/175:45 am
PDX
- BIL
1 stop4h 24m
Delta
Sun 7/195:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 6/17![Delta logo]()
$327
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 7/177:20 pm
PDX
- BZN
1 stop4h 03m
Delta
Wed 7/228:25 am
BZN
- PDX
1 stop4h 16m
Delta
Deal found 6/16![Delta logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:49 pm
PDX
- BIL
1 stop13h 25m
Multiple Airlines
Sat 8/13:40 pm
BIL
- PDX
1 stop27h 08m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$318
This Southwest deal was found by Cheapflights users on 6/19. 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 7/246:00 pm
PDX
- BZN
1 stop6h 15m
Southwest
Mon 7/277:15 pm
BZN
- PDX
1 stop6h 20m
Southwest
Deal found 6/19![Southwest logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 6/18. 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.
Fri 7/2412:13 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Wed 7/297:22 pm
BIL
- PDX
1 stop5h 08m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 7/245:14 pm
PDX
- BIL
1 stop4h 36m
Delta
Mon 7/275:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 6/16![Delta logo]()
$353
This Southwest deal was found by Cheapflights users on 6/19. 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 7/2510:50 am
PDX
- BZN
2 stops10h 10m
Southwest
Wed 7/297:00 pm
BZN
- PDX
1 stop5h 55m
Southwest
Deal found 6/19![Southwest logo]()
$318
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 20, 2026.
Search for one-way flight options from Portland to Montana. Find affordable one-way fares based on user searches. Data last updated June 20, 2026.
This United Airlines deal was found by Cheapflights users on 6/19. 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.
Tue 9/229:00 am
PDX
- BZN
1 stop5h 19m
United Airlines
Deal found 6/19![United Airlines logo]()
$109
This Delta deal was found by Cheapflights users on 6/19. 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 9/155:10 pm
PDX
- MSO
1 stop4h 16m
Delta
Deal found 6/19![Delta logo]()
$129
This Alaska Airlines deal was found by Cheapflights users on 6/19. 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.
Sat 9/125:41 pm
PDX
- MSO
1 stop4h 20m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$134
This United Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 8/214:07 pm
PDX
- BIL
1 stop5h 44m
United Airlines
Deal found 6/16![United Airlines logo]()
$134
This Priceline deal was found by Cheapflights users on 6/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:33 am
PDX
- BZN
Nonstop1h 51m
Alaska Airlines
Deal found 6/20![Alaska Airlines logo]()
$134
This Southwest deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 8/74:20 pm
PDX
- BZN
1 stop5h 05m
Southwest
Deal found 6/17![Southwest logo]()
$138
This Delta deal was found by Cheapflights users on 6/19. 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.
Sun 9/135:05 pm
PDX
- MSO
1 stop6h 19m
Delta
Deal found 6/19![Delta logo]()
$139
This Southwest deal was found by Cheapflights users on 6/19. 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.
Tue 9/228:00 am
PDX
- BZN
2 stops11h 00m
Southwest
Deal found 6/19![Southwest logo]()
$143
This Priceline deal was found by Cheapflights users on 6/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2810:33 am
PDX
- BZN
Nonstop1h 51m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$144
This Alaska Airlines deal was found by Cheapflights users on 6/19. 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.
Wed 9/1610:48 am
PDX
- MSO
Nonstop1h 37m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$154
This Delta deal was found by Cheapflights users on 6/19. 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.
Mon 9/287:11 pm
PDX
- BZN
1 stop3h 54m
Delta
Deal found 6/19![Delta logo]()
$154
This Alaska Airlines deal was found by Cheapflights users on 6/19. 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.
Fri 9/1810:48 am
PDX
- MSO
Nonstop1h 37m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$159
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 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $207 (Alaska Airlines) |
One-way from | $109 (United Airlines) |
Popular in | June |
Cheapest in | January |
Average price | $488 |
Good round-trip deal | $332 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 20, 2026.
Use the filters below to find and compare flights from Portland to Montana that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Wed 9/16
10:33 am-1:24 pm
Nonstop1h 51m
Bozeman Gallatin Field
Tue 9/22
3:42 pm-4:34 pm
Nonstop1h 52m
$207
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Sat 9/19
3:21 pm-10:40 pm
1 stop6h 19m
Bozeman Gallatin Field
Mon 9/21
6:00 am-8:41 am
1 stop3h 41m
$232
PortlandMissoula
PDX - MSO
PDXMSO
Portland
Tue 9/1
5:08 pm-11:12 pm
1 stop5h 04m
Missoula Johnson-Bell Field
Wed 9/2
6:27 pm-10:38 pm
1 stop5h 11m
$257
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Tue 9/22
10:33 am-1:24 pm
Nonstop1h 51m
Bozeman Gallatin Field
Wed 9/23
3:42 pm-4:34 pm
Nonstop1h 52m
$267
PortlandMissoula
PDX - MSO
PDXMSO
Portland
Wed 9/16
9:46 am-5:42 pm
1 stop6h 56m
Missoula Johnson-Bell Field
Mon 9/21
6:22 pm-11:40 pm
1 stop6h 18m
$267
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Sat 9/5
5:08 pm-10:03 pm
1 stop3h 55m
Bozeman Gallatin Field
Mon 9/7
6:00 am-8:37 am
1 stop3h 37m
$272
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Sat 9/19
5:38 pm-8:45 pm
1 stop26h 07m
Bozeman Gallatin Field
Mon 9/21
3:42 pm-4:34 pm
Nonstop1h 52m
$274
PortlandBillings
PDX - BIL
PDXBIL
Portland
Fri 8/21
4:07 pm-10:51 pm
1 stop5h 44m
Billings Logan Intl
Mon 8/24
5:00 am-9:32 am
1 stop5h 32m
$286
PortlandBillings
PDX - BIL
PDXBIL
Portland
Wed 8/19
5:41 pm-11:29 pm
1 stop4h 48m
Billings Logan Intl
Sun 8/23
6:21 pm-7:23 pm
Nonstop2h 02m
$287
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Sun 8/9
5:54 pm-10:42 pm
1 stop3h 48m
Bozeman Gallatin Field
Tue 9/8
6:00 am-8:41 am
1 stop3h 41m
$317
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-BIL
PDX-MSO
PDX-COD
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-BIL
PDX-MSO
PDX-COD
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 $261). 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 20, 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.
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 June 20, 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?
How far ahead should I book a flight from Portland to Montana?
The best time to book flights from Portland to Montana is 82 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 June 13, 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 20, 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
Boarding
8.1
Food
7.1
Crew
8.5
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Boarding
8.1
Food
7.1
Crew
8.5
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Boarding
8.1
Food
7.1
Crew
8.5
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Boarding
8.1
Food
7.1
Crew
8.5
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Boarding
8.1
Food
7.1
Crew
8.5
Overall
7.9
Entertainment
7.0
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 20, 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 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$391 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$119 | Average$284 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$137 | Average$402 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$211 | Average$271 | FlexibilityNo cancel fee | On-time69% |