$92+ 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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BZN
May 18 — May 251
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 April 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 April 18, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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.
Wed 5/610:30 am
PDX
- BIL
Nonstop1h 56m
Alaska Airlines
Sat 5/912:47 pm
BIL
- PDX
Nonstop2h 01m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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 5/1210:35 am
PDX
- BZN
Nonstop1h 48m
Alaska Airlines
Sat 5/164:12 pm
BZN
- PDX
Nonstop1h 48m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 4/14. 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.
Tue 5/55:05 pm
PDX
- BIL
1 stop4h 19m
Delta
Sat 5/96:19 pm
BIL
- PDX
1 stop5h 21m
Delta
Deal found 4/14![Delta logo]()
$207
This Delta deal was found by Cheapflights users on 4/16. 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 5/95:51 pm
PDX
- BZN
1 stop4h 30m
Delta
Tue 5/124:02 pm
BZN
- PDX
1 stop4h 24m
Delta
Deal found 4/16![Delta logo]()
$207
This Delta deal was found by Cheapflights users on 4/14. 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.
Wed 5/61:32 pm
PDX
- BIL
2 stops7h 52m
Delta
Sat 5/95:30 am
BIL
- PDX
1 stop4h 22m
Delta
Deal found 4/14![Delta logo]()
$212
This United Airlines deal was found by Cheapflights users on 4/13. 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 5/97:15 am
PDX
- BZN
1 stop7h 07m
United Airlines
Tue 5/124:18 pm
BZN
- PDX
1 stop5h 40m
United Airlines
Deal found 4/13![United Airlines logo]()
$212
This Delta deal was found by Cheapflights users on 4/16. 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 5/73:10 pm
PDX
- BIL
1 stop7h 04m
Delta
Sat 5/96:19 pm
BIL
- PDX
1 stop5h 21m
Delta
Deal found 4/16![Delta logo]()
$217
This Delta deal was found by Cheapflights users on 4/15. 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 5/135:51 pm
PDX
- BZN
1 stop4h 30m
Delta
Sun 5/178:00 am
BZN
- PDX
1 stop4h 39m
Delta
Deal found 4/15![Delta logo]()
$217
This Expedia deal was found by Cheapflights users on 4/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/132:33 pm
PDX
- FCA
Nonstop1h 27m
Alaska Airlines
Sat 5/164:14 pm
FCA
- PDX
Nonstop1h 35m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 4/14. 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.
Wed 5/61:32 pm
PDX
- BIL
2 stops7h 52m
Delta
Sun 5/105:30 am
BIL
- PDX
1 stop4h 22m
Delta
Deal found 4/14![Delta logo]()
$222
This Delta deal was found by Cheapflights users on 4/16. 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 5/73:10 pm
PDX
- BIL
1 stop7h 04m
Delta
Sun 5/105:30 am
BIL
- PDX
1 stop4h 22m
Delta
Deal found 4/16![Delta logo]()
$227
This Delta deal was found by Cheapflights users on 4/16. 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 6/45:51 pm
PDX
- BZN
1 stop4h 28m
Delta
Sun 6/73:56 pm
BZN
- PDX
1 stop7h 06m
Delta
Deal found 4/16![Delta logo]()
$227
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 April 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 April 18, 2026.
This Delta deal was found by Cheapflights users on 4/13. 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 6/53:10 pm
PDX
- BIL
1 stop7h 04m
Delta
Tue 6/911:50 am
BIL
- PDX
1 stop5h 29m
Delta
Deal found 4/13![Delta logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 5/275:00 am
PDX
- FCA
1 stop4h 51m
Alaska Airlines
Sat 5/305:40 pm
FCA
- PDX
1 stop4h 48m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 4/14. 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 5/97:30 am
PDX
- BZN
2 stops11h 00m
Southwest
Sat 5/238:40 am
BZN
- PDX
2 stops11h 05m
Southwest
Deal found 4/14![Southwest logo]()
$313
This United Airlines deal was found by Cheapflights users on 4/13. 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.
Sun 5/174:15 pm
PDX
- BIL
1 stop5h 30m
United Airlines
Wed 5/205:05 am
BIL
- PDX
1 stop5h 33m
United Airlines
Deal found 4/13![United Airlines logo]()
$372
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 6/312:03 pm
PDX
- BIL
Nonstop1h 51m
Alaska Airlines
Sat 6/63:34 pm
BIL
- PDX
Nonstop2h 04m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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.
Fri 5/222:33 pm
PDX
- FCA
Nonstop1h 27m
Alaska Airlines
Tue 5/264:14 pm
FCA
- PDX
Nonstop1h 35m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$268
This Delta deal was found by Cheapflights users on 4/17. 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 5/225:05 pm
PDX
- FCA
1 stop5h 09m
Delta
Tue 5/265:13 am
FCA
- PDX
1 stop4h 39m
Delta
Deal found 4/17![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 4/15. 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.
Sat 5/303:30 pm
PDX
- FCA
2 stops6h 44m
Delta
Sat 6/65:13 am
FCA
- PDX
1 stop4h 39m
Delta
Deal found 4/15![Delta logo]()
$307
This Southwest deal was found by Cheapflights users on 4/15. 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.
Fri 7/175:35 pm
PDX
- BZN
1 stop4h 55m
Southwest
Wed 7/227:05 pm
BZN
- PDX
1 stop5h 45m
Southwest
Deal found 4/15![Southwest logo]()
$343
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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.
Mon 5/410:35 am
PDX
- BZN
Nonstop1h 48m
Alaska Airlines
Mon 5/43:49 pm
BZN
- PDX
1 stop5h 28m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 4/14. 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.
Sat 6/135:24 pm
PDX
- MSO
1 stop4h 48m
Delta
Sat 6/205:31 am
MSO
- PDX
1 stop4h 04m
Delta
Deal found 4/14![Delta logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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.
Fri 9/1112:08 pm
PDX
- BIL
Nonstop1h 54m
Alaska Airlines
Mon 9/143:42 pm
BIL
- PDX
Nonstop2h 02m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$297
This United Airlines deal was found by Cheapflights users on 4/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/294:15 pm
PDX
- COD
1 stop5h 30m
United Airlines
Sun 5/31:40 pm
COD
- PDX
1 stop8h 29m
United Airlines
Deal found 4/14![United Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 4/13. 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.
Mon 6/296:00 pm
PDX
- BZN
1 stop6h 10m
Southwest
Tue 7/77:05 pm
BZN
- PDX
1 stop5h 45m
Southwest
Deal found 4/13![Southwest logo]()
$370
This Delta deal was found by Cheapflights users on 4/16. 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 6/117:21 pm
PDX
- BZN
1 stop4h 02m
Delta
Mon 6/1512:13 pm
BZN
- PDX
1 stop5h 06m
Delta
Deal found 4/16![Delta logo]()
$318
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Wed 6/35:15 am
PDX
- BIL
3 stops15h 02m
United Airlines
Sat 6/65:00 am
BIL
- PDX
1 stop5h 47m
United Airlines
Deal found 4/17![United Airlines logo]()
$401
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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 5/610:45 am
PDX
- MSO
Nonstop1h 34m
Alaska Airlines
Sat 5/91:08 pm
MSO
- PDX
Nonstop1h 36m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$308
This Southwest deal was found by Cheapflights users on 4/13. 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 6/125:35 pm
PDX
- BZN
1 stop4h 55m
Southwest
Mon 6/152:50 pm
BZN
- PDX
2 stops8h 20m
Southwest
Deal found 4/13![Southwest logo]()
$375
This Delta deal was found by Cheapflights users on 4/17. 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 8/133:50 pm
PDX
- BZN
1 stop5h 34m
Delta
Sun 8/165:45 am
BZN
- PDX
1 stop4h 18m
Delta
Deal found 4/17![Delta logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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.
Wed 6/35:50 pm
PDX
- MSO
1 stop5h 09m
Alaska Airlines
Sat 6/68:02 pm
MSO
- PDX
1 stop4h 57m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$308
This Delta deal was found by Cheapflights users on 4/16. 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 6/195:50 pm
PDX
- BZN
1 stop3h 58m
Delta
Mon 6/223:15 pm
BZN
- PDX
1 stop4h 08m
Delta
Deal found 4/16![Delta logo]()
$318
This Southwest deal was found by Cheapflights users on 4/13. 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
Mon 8/104:40 pm
BZN
- PDX
2 stops7h 45m
Southwest
Deal found 4/13![Southwest logo]()
$387
This Expedia deal was found by Cheapflights users on 4/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:46 pm
PDX
- MSO
1 stop5h 13m
Alaska Airlines
Fri 5/228:02 pm
MSO
- PDX
1 stop4h 57m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$308
This Delta deal was found by Cheapflights users on 4/16. 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.
Sun 8/26:00 am
PDX
- BZN
1 stop4h 17m
Delta
Sat 8/88:25 am
BZN
- PDX
1 stop4h 18m
Delta
Deal found 4/16![Delta logo]()
$318
This United Airlines deal was found by Cheapflights users on 4/16. 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 5/15:00 am
PDX
- COD
1 stop7h 05m
United Airlines
Tue 5/56:20 am
COD
- PDX
1 stop7h 55m
United Airlines
Deal found 4/16![United Airlines logo]()
$493
This Delta deal was found by Cheapflights users on 4/14. 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.
Wed 5/135:05 pm
PDX
- HLN
1 stop4h 28m
Delta
Sat 5/305:45 am
HLN
- PDX
1 stop4h 07m
Delta
Deal found 4/14![Delta logo]()
$330
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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.
Wed 5/2012:03 pm
PDX
- BIL
Nonstop1h 51m
Alaska Airlines
Tue 5/267:21 pm
BIL
- PDX
1 stop15h 26m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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.
Wed 5/135:00 am
PDX
- MSO
1 stop17h 59m
Alaska Airlines
Wed 5/2012:56 pm
MSO
- PDX
Nonstop1h 30m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 4/18. 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 6/59:50 am
PDX
- GTF
1 stop6h 49m
Delta
Sun 6/76:35 pm
GTF
- PDX
1 stop6h 11m
Delta
Deal found 4/18![Delta logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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.
Wed 4/2910:35 am
PDX
- BZN
Nonstop1h 48m
Alaska Airlines
Thu 5/72:03 pm
BZN
- PDX
Nonstop1h 50m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$348
Last-minute flights from Portland to MontanaDiscover last-minute flight deals from Portland to Montana. Data last updated April 18, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Montana. Data last updated April 18, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/14. 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.
Tue 5/55:05 pm
PDX
- BIL
1 stop4h 19m
Delta
Sat 5/96:19 pm
BIL
- PDX
1 stop5h 21m
Delta
Deal found 4/14![Delta logo]()
$207
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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.
Wed 5/610:30 am
PDX
- BIL
Nonstop1h 56m
Alaska Airlines
Sat 5/912:47 pm
BIL
- PDX
Nonstop2h 01m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 4/14. 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.
Wed 5/61:32 pm
PDX
- BIL
2 stops7h 52m
Delta
Sat 5/95:30 am
BIL
- PDX
1 stop4h 22m
Delta
Deal found 4/14![Delta logo]()
$212
This Delta deal was found by Cheapflights users on 4/14. 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.
Wed 5/61:32 pm
PDX
- BIL
2 stops7h 52m
Delta
Sun 5/105:30 am
BIL
- PDX
1 stop4h 22m
Delta
Deal found 4/14![Delta logo]()
$222
This Delta deal was found by Cheapflights users on 4/16. 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 5/73:10 pm
PDX
- BIL
1 stop7h 04m
Delta
Sat 5/96:19 pm
BIL
- PDX
1 stop5h 21m
Delta
Deal found 4/16![Delta logo]()
$217
This Delta deal was found by Cheapflights users on 4/16. 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 5/73:10 pm
PDX
- BIL
1 stop7h 04m
Delta
Sun 5/105:30 am
BIL
- PDX
1 stop4h 22m
Delta
Deal found 4/16![Delta logo]()
$227
This Delta deal was found by Cheapflights users on 4/16. 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 5/95:51 pm
PDX
- BZN
1 stop4h 30m
Delta
Tue 5/124:02 pm
BZN
- PDX
1 stop4h 24m
Delta
Deal found 4/16![Delta logo]()
$207
This United Airlines deal was found by Cheapflights users on 4/13. 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 5/97:15 am
PDX
- BZN
1 stop7h 07m
United Airlines
Tue 5/124:18 pm
BZN
- PDX
1 stop5h 40m
United Airlines
Deal found 4/13![United Airlines logo]()
$212
This Delta deal was found by Cheapflights users on 4/13. 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 5/95:01 pm
PDX
- BZN
1 stop4h 01m
Delta
Wed 5/131:00 pm
BZN
- PDX
1 stop6h 01m
Delta
Deal found 4/13![Delta logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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 5/1210:35 am
PDX
- BZN
Nonstop1h 48m
Alaska Airlines
Sat 5/164:12 pm
BZN
- PDX
Nonstop1h 48m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 4/15. 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 5/135:51 pm
PDX
- BZN
1 stop4h 30m
Delta
Sun 5/178:00 am
BZN
- PDX
1 stop4h 39m
Delta
Deal found 4/15![Delta logo]()
$217
This Expedia deal was found by Cheapflights users on 4/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/132:33 pm
PDX
- FCA
Nonstop1h 27m
Alaska Airlines
Sat 5/164:14 pm
FCA
- PDX
Nonstop1h 35m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$217
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 April 18, 2026.
Search for one-way flight options from Portland to Montana. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Sat 5/3011:29 am
PDX
- MSO
1 stop20h 54m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$92
This Southwest deal was found by Cheapflights users on 4/13. 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 7/15:55 pm
PDX
- BZN
1 stop5h 50m
Southwest
Deal found 4/13![Southwest logo]()
$104
This Delta deal was found by Cheapflights users on 4/16. 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 6/59:20 am
PDX
- BZN
1 stop4h 55m
Delta
Deal found 4/16![Delta logo]()
$114
This Delta deal was found by Cheapflights users on 4/14. 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 5/85:51 pm
PDX
- BZN
1 stop4h 30m
Delta
Deal found 4/14![Delta logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Sun 5/179:46 pm
PDX
- MSO
1 stop21h 18m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$120
This Delta deal was found by Cheapflights users on 4/14. 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.
Tue 5/125:05 pm
PDX
- MSO
1 stop6h 17m
Delta
Deal found 4/14![Delta logo]()
$124
This Alaska Airlines deal was found by Cheapflights users on 4/17. 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 5/135:46 pm
PDX
- MSO
1 stop5h 13m
Alaska Airlines
Deal found 4/17![Alaska Airlines logo]()
$129
This Delta deal was found by Cheapflights users on 4/14. 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.
Sun 5/245:01 pm
PDX
- MSO
1 stop5h 15m
Delta
Deal found 4/14![Delta logo]()
$134
This Expedia deal was found by Cheapflights users on 4/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/109:49 am
PDX
- MSO
1 stop4h 10m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Fri 5/85:31 pm
PDX
- BZN
2 stops39h 04m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$139
This Southwest deal was found by Cheapflights users on 4/14. 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 5/97:30 am
PDX
- BZN
2 stops11h 00m
Southwest
Deal found 4/14![Southwest logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 5/37:46 pm
PDX
- BZN
1 stop14h 33m
Allegiant Air
Deal found 4/15![Allegiant Air logo]()
$148
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 April 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $197 (Alaska Airlines) |
One-way from | $92 (Kiwi.com) |
Popular in | April |
Cheapest in | January |
Average price | $418 |
Good round-trip deal | $217 or less |
Good one-way deal | $244 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 April 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
PortlandBillings
PDX - BIL
PDXBIL
Portland
Fri 6/5
3:10 pm-11:14 pm
1 stop7h 04m
Billings Logan Intl
Tue 6/9
11:50 am-4:19 pm
1 stop5h 29m
$237
PortlandKalispell
PDX - FCA
PDXFCA
Portland
Wed 5/27
5:00 am-10:51 am
1 stop4h 51m
Kalispell Glacier Park
Sat 5/30
5:40 pm-9:28 pm
1 stop4h 48m
$237
PortlandBillings
PDX - BIL
PDXBIL
Portland
Wed 6/3
12:03 pm-2:54 pm
Nonstop1h 51m
Billings Logan Intl
Sat 6/6
3:34 pm-4:38 pm
Nonstop2h 04m
$247
Quickest round-trip
PortlandKalispell
PDX - FCA
PDXFCA
Portland
Fri 5/22
2:33 pm-5:00 pm
Nonstop1h 27m
Kalispell Glacier Park
Tue 5/26
4:14 pm-4:49 pm
Nonstop1h 35m
$268
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Mon 5/4
10:35 am-1:23 pm
Nonstop1h 48m
Bozeman Gallatin Field
Mon 5/4
3:49 pm-8:17 pm
1 stop5h 28m
$292
PortlandBillings
PDX - BIL
PDXBIL
Portland
Fri 9/11
12:08 pm-3:02 pm
Nonstop1h 54m
Billings Logan Intl
Mon 9/14
3:42 pm-4:44 pm
Nonstop2h 02m
$297
PortlandKalispell
PDX - FCA
PDXFCA
Portland
Fri 5/22
5:05 pm-11:14 pm
1 stop5h 09m
Kalispell Glacier Park
Tue 5/26
5:13 am-8:52 am
1 stop4h 39m
$303
PortlandKalispell
PDX - FCA
PDXFCA
Portland
Sat 5/30
3:30 pm-11:14 pm
2 stops6h 44m
Kalispell Glacier Park
Sat 6/6
5:13 am-8:52 am
1 stop4h 39m
$307
PortlandMissoula
PDX - MSO
PDXMSO
Portland
Wed 5/6
10:45 am-1:19 pm
Nonstop1h 34m
Missoula Johnson-Bell Field
Sat 5/9
1:08 pm-1:44 pm
Nonstop1h 36m
$308
PortlandMissoula
PDX - MSO
PDXMSO
Portland
Wed 6/3
5:50 pm-11:59 pm
1 stop5h 09m
Missoula Johnson-Bell Field
Sat 6/6
8:02 pm-11:59 pm
1 stop4h 57m
$308
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-MSO
PDX-BZN
PDX-GTF
PDX-BIL
PDX-FCA
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-MSO
PDX-BZN
PDX-GTF
PDX-BIL
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 February is currently the most expensive (average of $157). 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 April 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 48% 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 April 11, 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 April 18, 2026.
The most flights from PDX to USMT are scheduled on a Monday (2 on average). You will have fewer flight options on Saturday, 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 April 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.
Boarding
8.1
Food
7.0
Crew
8.5
Entertainment
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Food
7.0
Crew
8.5
Entertainment
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Food
7.0
Crew
8.5
Entertainment
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Food
7.0
Crew
8.5
Entertainment
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Food
7.0
Crew
8.5
Entertainment
7.0
Overall
7.9
Comfort
7.8
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 April 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 April 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$344 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$88 | Average$286 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$137 | Average$383 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$184 | Average$334 | FlexibilityNo cancel fee | On-time69% |