$114+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BZN
Jun 17 — Jun 241
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Montana with Cheapflights
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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 May 18, 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 May 18, 2026.
This Southwest deal was found by Cheapflights users on 5/16. 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.
Tue 6/95:55 pm
PDX
- BZN
1 stop5h 50m
Southwest
Tue 6/167:10 pm
BZN
- PDX
1 stop5h 40m
Southwest
Deal found 5/16![Southwest logo]()
$222
This Southwest deal was found by Cheapflights users on 5/16. 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.
Wed 7/293:40 pm
PDX
- BZN
1 stop8h 05m
Southwest
Wed 8/126:55 am
BZN
- PDX
2 stops9h 30m
Southwest
Deal found 5/16![Southwest logo]()
$232
This Southwest deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 6/54:25 pm
PDX
- BZN
1 stop7h 45m
Southwest
Mon 6/87:15 pm
BZN
- PDX
1 stop6h 15m
Southwest
Deal found 5/14![Southwest logo]()
$256
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 6/69:20 am
PDX
- BZN
1 stop4h 55m
Delta
Mon 6/85:15 am
BZN
- PDX
1 stop4h 24m
Delta
Deal found 5/13![Delta logo]()
$262
This Southwest deal was found by Cheapflights users on 5/17. 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.
Thu 6/116:00 pm
PDX
- BZN
1 stop6h 10m
Southwest
Mon 6/157:15 pm
BZN
- PDX
1 stop6h 15m
Southwest
Deal found 5/17![Southwest logo]()
$275
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 6/45:51 pm
PDX
- BZN
1 stop4h 28m
Delta
Sun 6/75:15 am
BZN
- PDX
1 stop4h 24m
Delta
Deal found 5/13![Delta logo]()
$277
This Southwest deal was found by Cheapflights users on 5/17. 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.
Thu 6/42:45 pm
PDX
- BZN
1 stop7h 45m
Southwest
Tue 6/167:10 pm
BZN
- PDX
1 stop5h 40m
Southwest
Deal found 5/17![Southwest logo]()
$285
This Southwest deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 6/95:55 pm
PDX
- BZN
1 stop5h 50m
Southwest
Fri 6/127:15 pm
BZN
- PDX
1 stop6h 15m
Southwest
Deal found 5/13![Southwest logo]()
$286
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 6/69:20 am
PDX
- BZN
1 stop4h 55m
Delta
Wed 6/105:15 am
BZN
- PDX
1 stop4h 24m
Delta
Deal found 5/13![Delta logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 5/18. 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.
Wed 8/1912:08 pm
PDX
- BIL
Nonstop1h 54m
Alaska Airlines
Sun 8/236:21 pm
BIL
- PDX
Nonstop2h 02m
Alaska Airlines
Deal found 5/18![Alaska Airlines logo]()
$307
This Expedia deal was found by Cheapflights users on 5/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:48 am
PDX
- MSO
Nonstop1h 37m
Alaska Airlines
Tue 9/11:04 pm
MSO
- PDX
Nonstop1h 31m
Alaska Airlines
Deal found 5/17![Alaska Airlines logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 8/1712:13 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Sun 8/236:21 pm
BIL
- PDX
Nonstop2h 02m
Alaska Airlines
Deal found 5/14![Alaska Airlines logo]()
$317
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 May 18, 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 May 18, 2026.
This Southwest deal was found by Cheapflights users on 5/16. 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.
Thu 9/245:15 am
PDX
- BZN
2 stops8h 35m
Southwest
Sun 9/276:30 am
BZN
- PDX
1 stop5h 35m
Southwest
Deal found 5/16![Southwest logo]()
$298
This Delta deal was found by Cheapflights users on 5/16. 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 9/2410:15 am
PDX
- BIL
1 stop6h 33m
Delta
Sun 9/2711:35 am
BIL
- PDX
1 stop5h 46m
Delta
Deal found 5/16![Delta logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 5/17. 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 10/2812:14 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Sat 10/313:44 pm
BIL
- PDX
Nonstop2h 06m
Alaska Airlines
Deal found 5/17![Alaska Airlines logo]()
$332
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 5/304:15 pm
PDX
- COD
1 stop5h 28m
United Airlines
Mon 6/15:55 pm
COD
- PDX
1 stop6h 05m
United Airlines
Deal found 5/13![United Airlines logo]()
$453
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 6/188:42 pm
PDX
- GTF
1 stop11h 46m
Multiple Airlines
Mon 6/2210:18 am
GTF
- PDX
1 stop10h 29m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$482
This Southwest deal was found by Cheapflights users on 5/17. 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 8/54:00 pm
PDX
- BZN
1 stop5h 25m
Southwest
Wed 8/196:55 am
BZN
- PDX
2 stops9h 30m
Southwest
Deal found 5/17![Southwest logo]()
$317
This Delta deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 9/116:00 am
PDX
- BIL
1 stop4h 00m
Delta
Mon 9/146:25 pm
BIL
- PDX
1 stop6h 16m
Delta
Deal found 5/14![Delta logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 5/15. 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 8/95:30 pm
PDX
- BZN
1 stop4h 49m
Alaska Airlines
Tue 9/83:40 pm
BZN
- PDX
Nonstop1h 55m
Alaska Airlines
Deal found 5/15![Alaska Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 5/17. 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.
Tue 6/163:40 pm
PDX
- BZN
1 stop8h 05m
Southwest
Tue 6/237:10 pm
BZN
- PDX
1 stop5h 40m
Southwest
Deal found 5/17![Southwest logo]()
$324
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 8/285:17 pm
PDX
- BIL
1 stop4h 18m
Delta
Mon 8/3111:35 am
BIL
- PDX
1 stop5h 46m
Delta
Deal found 5/13![Delta logo]()
$327
This Southwest deal was found by Cheapflights users on 5/17. 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 8/57:50 am
PDX
- BZN
2 stops11h 10m
Southwest
Mon 8/174:40 pm
BZN
- PDX
1 stop7h 25m
Southwest
Deal found 5/17![Southwest logo]()
$325
This Delta deal was found by Cheapflights users on 5/17. 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.
Thu 10/110:15 am
PDX
- MSO
1 stop6h 08m
Delta
Sun 10/46:10 pm
MSO
- PDX
1 stop6h 31m
Delta
Deal found 5/17![Delta logo]()
$328
This Delta deal was found by Cheapflights users on 5/16. 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.
Mon 8/35:54 pm
PDX
- BZN
1 stop3h 48m
Delta
Sat 8/86:00 am
BZN
- PDX
1 stop3h 37m
Delta
Deal found 5/16![Delta logo]()
$328
This Alaska Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 6/25:46 pm
PDX
- BIL
1 stop4h 47m
Alaska Airlines
Sat 6/67:21 pm
BIL
- PDX
1 stop5h 38m
Alaska Airlines
Deal found 5/13![Alaska Airlines logo]()
$412
This Southwest deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 10/109:40 am
PDX
- BZN
2 stops10h 05m
Southwest
Tue 10/1311:05 am
BZN
- PDX
1 stop6h 40m
Southwest
Deal found 5/14![Southwest logo]()
$359
This Delta deal was found by Cheapflights users on 5/15. 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 6/237:20 pm
PDX
- BZN
1 stop4h 03m
Delta
Mon 6/2912:13 pm
BZN
- PDX
1 stop5h 06m
Delta
Deal found 5/15![Delta logo]()
$328
This United Airlines deal was found by Cheapflights users on 5/17. 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 6/205:00 am
PDX
- COD
1 stop16h 43m
United Airlines
Fri 6/265:55 pm
COD
- PDX
1 stop6h 18m
United Airlines
Deal found 5/17![United Airlines logo]()
$491
This Alaska Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 7/55:30 pm
PDX
- MSO
1 stop4h 25m
Alaska Airlines
Thu 7/95:41 pm
MSO
- PDX
Nonstop1h 35m
Alaska Airlines
Deal found 5/13![Alaska Airlines logo]()
$414
This Alaska Airlines deal was found by Cheapflights users on 5/17. 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.
Sun 5/3110:52 am
PDX
- MSO
Nonstop1h 31m
Alaska Airlines
Wed 6/107:03 am
MSO
- PDX
1 stop5h 18m
Alaska Airlines
Deal found 5/17![Alaska Airlines logo]()
$414
This Southwest deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 10/91:45 pm
PDX
- BZN
2 stops7h 35m
Southwest
Tue 10/136:30 am
BZN
- PDX
2 stops9h 15m
Southwest
Deal found 5/14![Southwest logo]()
$378
This Delta deal was found by Cheapflights users on 5/15. 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 10/216:00 am
PDX
- FCA
1 stop4h 49m
Delta
Sat 10/246:10 pm
FCA
- PDX
1 stop6h 41m
Delta
Deal found 5/15![Delta logo]()
$348
This Alaska Airlines deal was found by Cheapflights users on 5/16. 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.
Tue 6/97:00 am
PDX
- MSO
2 stops15h 59m
Alaska Airlines
Wed 6/107:03 am
MSO
- PDX
1 stop5h 18m
Alaska Airlines
Deal found 5/16![Alaska Airlines logo]()
$416
This Delta deal was found by Cheapflights users on 5/16. 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 8/59:46 am
PDX
- BTM
1 stop6h 10m
Delta
Sun 8/96:10 pm
BTM
- PDX
2 stops6h 46m
Delta
Deal found 5/16![Delta logo]()
$362
This Alaska Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 8/286:10 am
PDX
- BIL
1 stop4h 21m
Alaska Airlines
Mon 8/317:20 pm
BIL
- PDX
2 stops14h 47m
Alaska Airlines
Deal found 5/13![Alaska Airlines logo]()
$421
This United Airlines deal was found by Cheapflights users on 5/16. 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.
Sat 6/138:35 am
PDX
- COD
2 stops13h 08m
United Airlines
Sat 6/205:55 pm
COD
- PDX
2 stops17h 25m
United Airlines
Deal found 5/16![United Airlines logo]()
$632
This Delta deal was found by Cheapflights users on 5/17. 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.
Sun 5/315:45 am
PDX
- MSO
1 stop5h 49m
Delta
Wed 6/105:31 am
MSO
- PDX
1 stop4h 08m
Delta
Deal found 5/17![Delta logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 5/15. 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.
Mon 7/135:36 pm
PDX
- MSO
2 stops17h 35m
Alaska Airlines
Thu 7/1612:51 pm
MSO
- PDX
Nonstop1h 29m
Alaska Airlines
Deal found 5/15![Alaska Airlines logo]()
$422
This United Airlines deal was found by Cheapflights users on 5/17. 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 6/205:00 am
PDX
- COD
1 stop16h 43m
United Airlines
Sat 6/275:55 pm
COD
- PDX
2 stops17h 25m
United Airlines
Deal found 5/17![United Airlines logo]()
$644
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:05 pm
PDX
- BIL
1 stop4h 47m
Delta
Sat 5/306:19 pm
BIL
- PDX
1 stop5h 21m
Delta
Deal found 5/13![Delta logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 5/15. 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 6/232:30 pm
PDX
- MSO
2 stops8h 26m
Alaska Airlines
Thu 7/25:41 pm
MSO
- PDX
Nonstop1h 35m
Alaska Airlines
Deal found 5/15![Alaska Airlines logo]()
$440
Last-minute flights from Portland to MontanaDiscover last-minute flight deals from Portland to Montana. Data last updated May 18, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Montana. Data last updated May 18, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 6/45:51 pm
PDX
- BZN
1 stop4h 28m
Delta
Sun 6/75:15 am
BZN
- PDX
1 stop4h 24m
Delta
Deal found 5/13![Delta logo]()
$277
This Southwest deal was found by Cheapflights users on 5/17. 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.
Thu 6/42:45 pm
PDX
- BZN
1 stop7h 45m
Southwest
Tue 6/167:10 pm
BZN
- PDX
1 stop5h 40m
Southwest
Deal found 5/17![Southwest logo]()
$285
This Southwest deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 6/54:25 pm
PDX
- BZN
1 stop7h 45m
Southwest
Mon 6/87:15 pm
BZN
- PDX
1 stop6h 15m
Southwest
Deal found 5/14![Southwest logo]()
$256
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 6/69:20 am
PDX
- BZN
1 stop4h 55m
Delta
Mon 6/85:15 am
BZN
- PDX
1 stop4h 24m
Delta
Deal found 5/13![Delta logo]()
$262
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 6/69:20 am
PDX
- BZN
1 stop4h 55m
Delta
Wed 6/105:15 am
BZN
- PDX
1 stop4h 24m
Delta
Deal found 5/13![Delta logo]()
$287
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 6/65:30 am
PDX
- FCA
2 stops10h 57m
Delta
Sat 6/135:19 am
FCA
- PDX
1 stop4h 16m
Delta
Deal found 5/13![Delta logo]()
$328
This Southwest deal was found by Cheapflights users on 5/15. 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 6/86:00 pm
PDX
- BZN
1 stop6h 10m
Southwest
Wed 6/107:10 pm
BZN
- PDX
1 stop5h 40m
Southwest
Deal found 5/15![Southwest logo]()
$298
This Southwest deal was found by Cheapflights users on 5/16. 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.
Tue 6/95:55 pm
PDX
- BZN
1 stop5h 50m
Southwest
Tue 6/167:10 pm
BZN
- PDX
1 stop5h 40m
Southwest
Deal found 5/16![Southwest logo]()
$222
This Southwest deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 6/95:55 pm
PDX
- BZN
1 stop5h 50m
Southwest
Fri 6/127:15 pm
BZN
- PDX
1 stop6h 15m
Southwest
Deal found 5/13![Southwest logo]()
$286
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 6/95:45 am
PDX
- BIL
1 stop4h 14m
Delta
Mon 6/155:20 am
BIL
- PDX
1 stop4h 19m
Delta
Deal found 5/13![Delta logo]()
$323
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 6/105:24 pm
PDX
- BIL
1 stop4h 25m
Delta
Wed 6/175:20 am
BIL
- PDX
1 stop4h 19m
Delta
Deal found 5/13![Delta logo]()
$327
This Southwest deal was found by Cheapflights users on 5/17. 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.
Thu 6/116:00 pm
PDX
- BZN
1 stop6h 10m
Southwest
Mon 6/157:15 pm
BZN
- PDX
1 stop6h 15m
Southwest
Deal found 5/17![Southwest logo]()
$275
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 May 18, 2026.
Search for one-way flight options from Portland to Montana. Find affordable one-way fares based on user searches. Data last updated May 18, 2026.
This Southwest deal was found by Cheapflights users on 5/18. 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.
Wed 9/304:00 pm
PDX
- BZN
1 stop5h 25m
Southwest
Deal found 5/18![Southwest logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/611:15 am
PDX
- MSO
1 stop21h 20m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$128
This Southwest deal was found by Cheapflights users on 5/17. 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.
Sat 8/811:20 am
PDX
- BZN
2 stops7h 45m
Southwest
Deal found 5/17![Southwest logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 6/257:17 pm
PDX
- BZN
1 stop12h 57m
Allegiant Air
Deal found 5/14![Allegiant Air logo]()
$138
This Delta deal was found by Cheapflights users on 5/16. 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.
Sat 6/65:45 am
PDX
- BIL
1 stop4h 09m
Delta
Deal found 5/16![Delta logo]()
$139
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 6/55:51 pm
PDX
- BZN
1 stop4h 28m
Delta
Deal found 5/13![Delta logo]()
$139
This Southwest deal was found by Cheapflights users on 5/17. 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.
Sat 7/1110:50 am
PDX
- BZN
2 stops10h 05m
Southwest
Deal found 5/17![Southwest logo]()
$143
This Southwest deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 7/83:40 pm
PDX
- BZN
1 stop8h 05m
Southwest
Deal found 5/13![Southwest logo]()
$154
This Delta deal was found by Cheapflights users on 5/16. 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.
Sat 6/67:05 am
PDX
- MSO
2 stops9h 19m
Delta
Deal found 5/16![Delta logo]()
$164
This Southwest deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 8/78:00 am
PDX
- BZN
1 stop5h 50m
Southwest
Deal found 5/13![Southwest logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/317:17 pm
PDX
- BZN
1 stop19h 15m
Allegiant Air
Deal found 5/15![Allegiant Air logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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.
Wed 7/85:16 pm
PDX
- GTF
2 stops26h 04m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$170
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 May 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $222 (Southwest) |
One-way from | $114 (Southwest) |
Popular in | April |
Cheapest in | January |
Average price | $373 |
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 May 18, 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
Thu 9/24
5:15 am-2:50 pm
2 stops8h 35m
Bozeman Gallatin Field
Sun 9/27
6:30 am-11:05 am
1 stop5h 35m
$298
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Wed 8/5
4:00 pm-10:25 pm
1 stop5h 25m
Bozeman Gallatin Field
Wed 8/19
6:55 am-3:25 pm
2 stops9h 30m
$317
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Tue 6/16
3:40 pm-12:45 am
1 stop8h 05m
Bozeman Gallatin Field
Tue 6/23
7:10 pm-11:50 pm
1 stop5h 40m
$324
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Wed 8/5
7:50 am-8:00 pm
2 stops11h 10m
Bozeman Gallatin Field
Mon 8/17
4:40 pm-11:05 pm
1 stop7h 25m
$325
PortlandBillings
PDX - BIL
PDXBIL
Portland
Thu 9/24
10:15 am-5:48 pm
1 stop6h 33m
Billings Logan Intl
Sun 9/27
11:35 am-4:21 pm
1 stop5h 46m
$327
PortlandBillings
PDX - BIL
PDXBIL
Portland
Fri 9/11
6:00 am-11:00 am
1 stop4h 00m
Billings Logan Intl
Mon 9/14
6:25 pm-11:41 pm
1 stop6h 16m
$327
PortlandBillings
PDX - BIL
PDXBIL
Portland
Fri 8/28
5:17 pm-10:35 pm
1 stop4h 18m
Billings Logan Intl
Mon 8/31
11:35 am-4:21 pm
1 stop5h 46m
$327
PortlandMissoula
PDX - MSO
PDXMSO
Portland
Thu 10/1
10:15 am-5:23 pm
1 stop6h 08m
Missoula Johnson-Bell Field
Sun 10/4
6:10 pm-11:41 pm
1 stop6h 31m
$328
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Mon 8/3
5:54 pm-10:42 pm
1 stop3h 48m
Bozeman Gallatin Field
Sat 8/8
6:00 am-8:37 am
1 stop3h 37m
$328
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Tue 6/23
7:20 pm-12:23 am
1 stop4h 03m
Bozeman Gallatin Field
Mon 6/29
12:13 pm-4:19 pm
1 stop5h 06m
$328
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-FCA
PDX-GTF
PDX-MSO
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-FCA
PDX-GTF
How far ahead should I book a flight from Portland to Montana?
The best time to book flights from Portland to Montana is 87 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 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 May is currently the most expensive (average of $197). 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 May 18, 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 45% on your trip compared to booking a flight at noon.
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 9, 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.
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 May 18, 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?
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 May 18, 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
Food
7.0
Overall
7.9
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Crew
8.5
Food
7.0
Overall
7.9
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Crew
8.5
Food
7.0
Overall
7.9
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Crew
8.5
Food
7.0
Overall
7.9
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Crew
8.5
Food
7.0
Overall
7.9
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
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 May 18, 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 May 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$366 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$88 | Average$335 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$137 | Average$392 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$211 | Average$271 | FlexibilityNo cancel fee | On-time69% |