$91+ 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 22 — May 291
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 22, 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 22, 2026.
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1612:03 pm
PDX
- BIL
Nonstop1h 51m
Alaska Airlines
Sat 5/233:34 pm
BIL
- PDX
Nonstop2h 04m
Alaska Airlines
Deal found 4/17![Alaska Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 4/19. 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 5/305:01 pm
PDX
- BIL
1 stop4h 51m
Delta
Tue 6/25:30 am
BIL
- PDX
1 stop4h 22m
Delta
Deal found 4/19![Delta logo]()
$207
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.
Sat 5/95:51 pm
PDX
- BZN
1 stop4h 30m
Delta
Tue 5/124:02 pm
BZN
- PDX
1 stop6h 16m
Delta
Deal found 4/17![Delta logo]()
$207
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/143:10 pm
PDX
- BIL
1 stop7h 04m
Delta
Tue 5/195:30 am
BIL
- PDX
1 stop4h 22m
Delta
Deal found 4/20![Delta logo]()
$217
This Delta deal was found by Cheapflights users on 4/20. 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.
Sat 5/165:51 pm
PDX
- BZN
1 stop4h 30m
Delta
Sun 5/178:00 am
BZN
- PDX
1 stop3h 40m
Delta
Deal found 4/20![Delta logo]()
$217
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/143:10 pm
PDX
- BIL
1 stop7h 04m
Delta
Sun 5/175:30 am
BIL
- PDX
1 stop4h 22m
Delta
Deal found 4/20![Delta logo]()
$227
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/45:51 pm
PDX
- BZN
1 stop4h 28m
Delta
Sun 6/73:56 pm
BZN
- PDX
1 stop7h 06m
Delta
Deal found 4/20![Delta logo]()
$227
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.
Sat 5/305:45 am
PDX
- FCA
1 stop4h 40m
Delta
Sat 6/65:13 am
FCA
- PDX
1 stop4h 39m
Delta
Deal found 4/18![Delta logo]()
$227
This United Airlines deal was found by Cheapflights users on 4/19. 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 5/305:00 am
PDX
- BIL
1 stop7h 22m
United Airlines
Mon 6/14:10 pm
BIL
- PDX
1 stop7h 45m
United Airlines
Deal found 4/19![United Airlines logo]()
$237
This Expedia deal was found by Cheapflights users on 4/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:46 pm
PDX
- BZN
1 stop3h 56m
Alaska Airlines
Wed 6/34:12 pm
BZN
- PDX
Nonstop1h 48m
Alaska Airlines
Deal found 4/19![Alaska Airlines logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 4/19. 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 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 4/19![Alaska Airlines logo]()
$237
This United Airlines deal was found by Cheapflights users on 4/19. 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 5/268:35 am
PDX
- BZN
1 stop5h 46m
United Airlines
Wed 6/35:33 pm
BZN
- PDX
1 stop6h 20m
United Airlines
Deal found 4/19![United Airlines logo]()
$242
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 22, 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 22, 2026.
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.
Sat 5/95:51 pm
PDX
- BZN
1 stop4h 30m
Delta
Wed 5/136:35 pm
BZN
- PDX
1 stop6h 09m
Delta
Deal found 4/17![Delta logo]()
$207
This Southwest deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:00 pm
PDX
- BZN
1 stop5h 25m
Southwest
Mon 8/314:40 pm
BZN
- PDX
2 stops7h 45m
Southwest
Deal found 4/20![Southwest logo]()
$251
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 5/272:33 pm
PDX
- FCA
Nonstop1h 27m
Alaska Airlines
Sat 5/304:14 pm
FCA
- PDX
Nonstop1h 35m
Alaska Airlines
Deal found 4/17![Alaska Airlines logo]()
$268
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.
Thu 6/44:15 pm
PDX
- BIL
1 stop5h 36m
United Airlines
Tue 6/94:10 pm
BIL
- PDX
1 stop6h 05m
United Airlines
Deal found 4/17![United Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 4/19. 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 5/305:01 pm
PDX
- BIL
1 stop4h 51m
Delta
Sun 5/315:30 am
BIL
- PDX
1 stop4h 22m
Delta
Deal found 4/19![Delta logo]()
$262
This Alaska Airlines deal was found by Cheapflights users on 4/19. 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 6/312:03 pm
PDX
- BIL
Nonstop1h 51m
Alaska Airlines
Sat 6/67:21 pm
BIL
- PDX
1 stop15h 26m
Alaska Airlines
Deal found 4/19![Alaska Airlines logo]()
$285
This Alaska Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:46 pm
PDX
- BIL
1 stop4h 47m
Alaska Airlines
Wed 5/273:34 pm
BIL
- PDX
Nonstop2h 04m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$297
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.
Sat 5/29:55 am
PDX
- BIL
1 stop6h 42m
Delta
Sat 5/96:19 pm
BIL
- PDX
1 stop5h 21m
Delta
Deal found 4/17![Delta logo]()
$312
This Southwest deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/175:35 pm
PDX
- BZN
1 stop4h 55m
Southwest
Wed 7/223:55 pm
BZN
- PDX
2 stops9h 10m
Southwest
Deal found 4/20![Southwest logo]()
$356
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 6/310:52 am
PDX
- MSO
Nonstop1h 31m
Alaska Airlines
Sat 6/612:56 pm
MSO
- PDX
Nonstop1h 30m
Alaska Airlines
Deal found 4/17![Alaska Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:21 pm
PDX
- BZN
1 stop4h 02m
Delta
Wed 7/225:15 am
BZN
- PDX
1 stop4h 22m
Delta
Deal found 4/22![Delta logo]()
$318
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:00 am
PDX
- BIL
1 stop7h 22m
United Airlines
Wed 5/276:00 pm
BIL
- PDX
1 stop5h 58m
United Airlines
Deal found 4/20![United Airlines logo]()
$392
This Alaska Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:30 am
PDX
- BZN
Nonstop1h 54m
Alaska Airlines
Mon 8/319:20 am
BZN
- PDX
1 stop29h 28m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$300
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 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:46 pm
PDX
- MSO
1 stop5h 13m
Alaska Airlines
Wed 5/272:03 pm
MSO
- PDX
1 stop3h 47m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$308
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.
Sat 5/169:50 am
PDX
- GTF
1 stop6h 49m
Delta
Sat 5/236:19 pm
GTF
- PDX
1 stop5h 21m
Delta
Deal found 4/17![Delta logo]()
$340
This United Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/175:00 am
PDX
- BIL
1 stop7h 23m
United Airlines
Wed 5/205:05 am
BIL
- PDX
1 stop5h 33m
United Airlines
Deal found 4/19![United Airlines logo]()
$403
This Alaska Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/239:44 am
PDX
- FCA
1 stop4h 50m
Alaska Airlines
Wed 5/275:40 pm
FCA
- PDX
1 stop4h 48m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$308
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.
Sat 5/24:15 pm
PDX
- COD
1 stop5h 30m
United Airlines
Wed 5/66:20 am
COD
- PDX
1 stop7h 55m
United Airlines
Deal found 4/17![United Airlines logo]()
$409
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/21:23 pm
PDX
- BZN
1 stop4h 25m
Delta
Sun 7/55:15 am
BZN
- PDX
1 stop4h 22m
Delta
Deal found 4/20![Delta logo]()
$378
This Alaska Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:52 am
PDX
- MSO
Nonstop1h 31m
Alaska Airlines
Mon 6/112:56 pm
MSO
- PDX
Nonstop1h 30m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$348
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.
Wed 5/65:45 am
PDX
- MSO
1 stop5h 56m
Delta
Sat 5/95:30 am
MSO
- PDX
1 stop4h 22m
Delta
Deal found 4/18![Delta logo]()
$383
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/53:30 pm
PDX
- MSO
2 stops7h 52m
Delta
Mon 6/85:31 am
MSO
- PDX
2 stops7h 12m
Delta
Deal found 4/22![Delta logo]()
$384
This Alaska Airlines deal was found by Cheapflights users on 4/19. 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.
Thu 8/65:30 pm
PDX
- BZN
1 stop4h 49m
Alaska Airlines
Mon 8/104:04 pm
BZN
- PDX
Nonstop1h 46m
Alaska Airlines
Deal found 4/19![Alaska Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/216:50 pm
PDX
- COD
1 stop26h 53m
United Airlines
Mon 5/255:15 am
COD
- PDX
1 stop5h 32m
United Airlines
Deal found 4/21![United Airlines logo]()
$511
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:05 am
PDX
- FCA
2 stops9h 22m
Delta
Sat 6/65:13 am
FCA
- PDX
1 stop4h 39m
Delta
Deal found 4/20![Delta logo]()
$388
This Alaska Airlines 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 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 4/18![Alaska Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:50 pm
PDX
- BTM
1 stop8h 40m
United Airlines
Sat 5/3010:15 am
BTM
- PDX
2 stops25h 13m
United Airlines
Deal found 4/20![United Airlines logo]()
$538
This Alaska Airlines 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 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 4/18![Alaska Airlines logo]()
$368
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.
Sat 5/25:45 pm
PDX
- FCA
1 stop4h 42m
Delta
Wed 5/65:05 am
FCA
- PDX
1 stop4h 51m
Delta
Deal found 4/17![Delta logo]()
$418
Last-minute flights from Portland to MontanaDiscover last-minute flight deals from Portland to Montana. Data last updated April 22, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Montana. Data last updated April 22, 2026 and is based on user searches.
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.
Sat 5/95:51 pm
PDX
- BZN
1 stop4h 30m
Delta
Wed 5/136:35 pm
BZN
- PDX
1 stop6h 09m
Delta
Deal found 4/17![Delta logo]()
$207
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/143:10 pm
PDX
- BIL
1 stop7h 04m
Delta
Tue 5/195:30 am
BIL
- PDX
1 stop4h 22m
Delta
Deal found 4/20![Delta logo]()
$217
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/143:10 pm
PDX
- BIL
1 stop7h 04m
Delta
Sun 5/175:30 am
BIL
- PDX
1 stop4h 22m
Delta
Deal found 4/20![Delta logo]()
$227
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:51 pm
PDX
- BZN
1 stop4h 30m
Delta
Mon 5/188:00 am
BZN
- PDX
1 stop4h 39m
Delta
Deal found 4/20![Delta logo]()
$227
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1612:03 pm
PDX
- BIL
Nonstop1h 51m
Alaska Airlines
Sat 5/233:34 pm
BIL
- PDX
Nonstop2h 04m
Alaska Airlines
Deal found 4/17![Alaska Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 4/20. 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.
Sat 5/165:51 pm
PDX
- BZN
1 stop4h 30m
Delta
Sun 5/178:00 am
BZN
- PDX
1 stop3h 40m
Delta
Deal found 4/20![Delta logo]()
$217
This Expedia deal was found by Cheapflights users on 4/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:46 pm
PDX
- BZN
1 stop3h 56m
Alaska Airlines
Wed 6/34:12 pm
BZN
- PDX
Nonstop1h 48m
Alaska Airlines
Deal found 4/19![Alaska Airlines logo]()
$237
This United Airlines deal was found by Cheapflights users on 4/19. 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 5/268:35 am
PDX
- BZN
1 stop5h 46m
United Airlines
Wed 6/35:33 pm
BZN
- PDX
1 stop6h 20m
United Airlines
Deal found 4/19![United Airlines logo]()
$242
This Alaska Airlines deal was found by Cheapflights users on 4/19. 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 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 4/19![Alaska Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 4/19. 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 5/305:01 pm
PDX
- BIL
1 stop4h 51m
Delta
Tue 6/25:30 am
BIL
- PDX
1 stop4h 22m
Delta
Deal found 4/19![Delta logo]()
$207
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.
Sat 5/305:45 am
PDX
- FCA
1 stop4h 40m
Delta
Sat 6/65:13 am
FCA
- PDX
1 stop4h 39m
Delta
Deal found 4/18![Delta logo]()
$227
This United Airlines deal was found by Cheapflights users on 4/19. 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 5/305:00 am
PDX
- BIL
1 stop7h 22m
United Airlines
Mon 6/14:10 pm
BIL
- PDX
1 stop7h 45m
United Airlines
Deal found 4/19![United Airlines logo]()
$237
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 22, 2026.
Search for one-way flight options from Portland to Montana. Find affordable one-way fares based on user searches. Data last updated April 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 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 4/20![Multiple Airlines logo]()
$91
This Southwest deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:50 am
PDX
- BZN
1 stop6h 35m
Southwest
Deal found 4/21![Southwest logo]()
$105
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/123:10 pm
PDX
- BIL
1 stop7h 04m
Delta
Deal found 4/20![Delta logo]()
$114
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:00 pm
PDX
- BZN
1 stop3h 59m
Delta
Deal found 4/20![Delta logo]()
$114
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/308:35 am
PDX
- MSO
1 stop6h 03m
United Airlines
Deal found 4/20![United Airlines 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 United Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:00 am
PDX
- MSO
1 stop7h 38m
United Airlines
Deal found 4/19![United Airlines logo]()
$134
This Expedia 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 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 4/17![Alaska Airlines logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/79:46 pm
PDX
- MSO
1 stop21h 18m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$144
This Trip.com deal was found by Cheapflights users on 4/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/179:46 pm
PDX
- BIL
1 stop10h 58m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$144
This Expedia deal was found by Cheapflights users on 4/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2410:52 am
PDX
- MSO
Nonstop1h 31m
Alaska Airlines
Deal found 4/19![Alaska Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:38 pm
PDX
- BZN
1 stop19h 15m
Allegiant Air
Deal found 4/22![Allegiant Air logo]()
$151
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 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $197 (CheapOair) |
One-way from | $91 (Kiwi.com) |
Popular in | April |
Cheapest in | January |
Average price | $418 |
Good round-trip deal | $216 or less |
Good one-way deal | $169 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 22, 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
Sat 5/9
5:51 pm-11:21 pm
1 stop4h 30m
Bozeman Gallatin Field
Wed 5/13
6:35 pm-11:44 pm
1 stop6h 09m
$207
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Wed 8/26
4:00 pm-10:25 pm
1 stop5h 25m
Bozeman Gallatin Field
Mon 8/31
4:40 pm-11:25 pm
2 stops7h 45m
$251
PortlandBillings
PDX - BIL
PDXBIL
Portland
Sat 5/30
5:01 pm-10:52 pm
1 stop4h 51m
Billings Logan Intl
Sun 5/31
5:30 am-8:52 am
1 stop4h 22m
$262
PortlandKalispell
PDX - FCA
PDXFCA
Portland
Wed 5/27
2:33 pm-5:00 pm
Nonstop1h 27m
Kalispell Glacier Park
Sat 5/30
4:14 pm-4:49 pm
Nonstop1h 35m
$268
PortlandBillings
PDX - BIL
PDXBIL
Portland
Wed 6/3
12:03 pm-2:54 pm
Nonstop1h 51m
Billings Logan Intl
Sat 6/6
7:21 pm-9:47 am
1 stop15h 26m
$285
PortlandBillings
PDX - BIL
PDXBIL
Portland
Sat 5/23
5:46 pm-11:33 pm
1 stop4h 47m
Billings Logan Intl
Wed 5/27
3:34 pm-4:38 pm
Nonstop2h 04m
$297
Quickest round-trip
PortlandMissoula
PDX - MSO
PDXMSO
Portland
Wed 6/3
10:52 am-1:23 pm
Nonstop1h 31m
Missoula Johnson-Bell Field
Sat 6/6
12:56 pm-1:26 pm
Nonstop1h 30m
$299
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Wed 8/26
10:30 am-1:24 pm
Nonstop1h 54m
Bozeman Gallatin Field
Mon 8/31
9:20 am-1:48 pm
1 stop29h 28m
$300
PortlandMissoula
PDX - MSO
PDXMSO
Portland
Sat 5/23
5:46 pm-11:59 pm
1 stop5h 13m
Missoula Johnson-Bell Field
Wed 5/27
2:03 pm-4:50 pm
1 stop3h 47m
$308
PortlandKalispell
PDX - FCA
PDXFCA
Portland
Sat 5/23
9:44 am-3:34 pm
1 stop4h 50m
Kalispell Glacier Park
Wed 5/27
5:40 pm-9:28 pm
1 stop4h 48m
$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-BIL
PDX-BZN
PDX-FCA
PDX-MSO
PDX-GTF
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Portland to Montana
PDX-USMT
PDX-BIL
PDX-BZN
PDX-FCA
PDX-MSO
What is the cheapest month to book a flight from Portland to Montana?
Currently, March is the cheapest month in which you can book a flight from Portland to Montana (average of $88). Flying from Portland to Montana in 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 22, 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 47% 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 18, 2026.
Travelers seeking maximum savings on their Portland to Montana flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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 22, 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.
Entertainment
7.0
Overall
7.9
Food
7.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Overall
7.9
Food
7.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Overall
7.9
Food
7.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Overall
7.9
Food
7.0
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Overall
7.9
Food
7.0
Comfort
7.8
Boarding
8.1
Crew
8.5
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
See prices for flight routes from nearby airports that may be better suited for you.
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 22, 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 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$345 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$88 | Average$281 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$137 | Average$383 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$184 | Average$334 | FlexibilityNo cancel fee | On-time69% |