$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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BZN
May 31 — Jun 71
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Montana with Cheapflights
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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 May 1, 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 1, 2026.
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 4/26![Delta logo]()
$217
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 4/27![Delta logo]()
$227
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/33:10 pm
PDX
- BIL
1 stop7h 04m
Delta
Sat 6/65:30 am
BIL
- PDX
1 stop4h 22m
Delta
Deal found 5/1![Delta logo]()
$237
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/245:51 pm
PDX
- BZN
1 stop4h 30m
Delta
Tue 6/25:35 am
BZN
- PDX
1 stop4h 17m
Delta
Deal found 4/27![Delta logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 4/29![Alaska Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 5/203:10 pm
PDX
- MSO
1 stop7h 30m
Delta
Tue 5/265:30 am
MSO
- PDX
1 stop4h 22m
Delta
Deal found 4/26![Delta logo]()
$247
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/259:20 am
PDX
- BZN
1 stop4h 57m
Delta
Mon 6/15:35 am
BZN
- PDX
1 stop4h 17m
Delta
Deal found 4/27![Delta logo]()
$247
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/255:45 am
PDX
- FCA
1 stop4h 40m
Delta
Mon 6/15:13 am
FCA
- PDX
1 stop4h 39m
Delta
Deal found 4/27![Delta logo]()
$247
This Expedia deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/2410:35 am
PDX
- BZN
Nonstop1h 42m
Alaska Airlines
Tue 6/24:12 pm
BZN
- PDX
Nonstop1h 48m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$248
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/255:00 am
PDX
- BZN
1 stop7h 20m
United Airlines
Tue 6/24:17 pm
BZN
- PDX
1 stop5h 37m
United Airlines
Deal found 4/28![United Airlines logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/2310:52 am
PDX
- MSO
Nonstop1h 31m
Alaska Airlines
Wed 5/2712:56 pm
MSO
- PDX
Nonstop1h 30m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/263:10 pm
PDX
- BIL
1 stop7h 04m
Delta
Thu 5/286:19 pm
BIL
- PDX
1 stop6h 25m
Delta
Deal found 4/29![Delta logo]()
$257
Best flights from Portland to MontanaDiscover carefully curated flight deals from Portland to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 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 1, 2026.
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 4/26![Delta logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 4/29![Alaska Airlines logo]()
$237
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/265:15 am
PDX
- BZN
2 stops10h 14m
United Airlines
Thu 5/284:29 pm
BZN
- PDX
1 stop5h 41m
United Airlines
Deal found 4/29![United Airlines logo]()
$342
This Southwest deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 4/27![Southwest logo]()
$395
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 6/43:10 pm
PDX
- BIL
1 stop7h 04m
Delta
Mon 6/86:40 pm
BIL
- PDX
1 stop6h 06m
Delta
Deal found 4/30![Delta logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/195:00 am
PDX
- FCA
1 stop4h 51m
Alaska Airlines
Thu 5/214:14 pm
FCA
- PDX
Nonstop1h 35m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$267
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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
- BIL
1 stop4h 09m
Delta
Sun 6/75:20 am
BIL
- PDX
1 stop4h 19m
Delta
Deal found 5/1![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/295:51 pm
PDX
- BZN
1 stop4h 30m
Delta
Mon 6/18:00 am
BZN
- PDX
1 stop4h 37m
Delta
Deal found 5/1![Delta logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/295:50 pm
PDX
- BZN
1 stop3h 52m
Alaska Airlines
Mon 6/14:12 pm
BZN
- PDX
Nonstop1h 48m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$298
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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
- BIL
2 stops6h 22m
Delta
Mon 6/85:20 am
BIL
- PDX
1 stop4h 19m
Delta
Deal found 5/1![Delta logo]()
$262
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/295:15 am
PDX
- BZN
2 stops10h 14m
United Airlines
Mon 6/14:17 pm
BZN
- PDX
1 stop7h 51m
United Airlines
Deal found 5/1![United Airlines logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 5/185:50 pm
PDX
- MSO
1 stop5h 09m
Alaska Airlines
Sat 5/2312:56 pm
MSO
- PDX
Nonstop1h 30m
Alaska Airlines
Deal found 4/26![Alaska Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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
Sun 6/75:20 am
BIL
- PDX
1 stop4h 19m
Delta
Deal found 4/27![Delta logo]()
$272
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/234:15 pm
PDX
- COD
1 stop5h 28m
United Airlines
Fri 5/295:55 pm
COD
- PDX
1 stop6h 05m
United Airlines
Deal found 4/28![United Airlines logo]()
$380
This Alaska Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 5/195:00 am
PDX
- MSO
1 stop17h 59m
Alaska Airlines
Sun 5/2412:56 pm
MSO
- PDX
Nonstop1h 30m
Alaska Airlines
Deal found 4/26![Alaska Airlines logo]()
$320
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/235:45 am
PDX
- MSO
1 stop5h 49m
Delta
Wed 5/275:30 am
MSO
- PDX
1 stop4h 22m
Delta
Deal found 4/30![Delta logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/2712:56 pm
MSO
- PDX
Nonstop1h 30m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$320
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/275:15 am
PDX
- COD
3 stops16h 28m
United Airlines
Wed 6/35:55 pm
COD
- PDX
1 stop5h 58m
United Airlines
Deal found 4/27![United Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/233:30 pm
PDX
- MSO
2 stops6h 46m
Delta
Tue 5/265:30 am
MSO
- PDX
1 stop4h 22m
Delta
Deal found 4/30![Delta logo]()
$282
This Alaska Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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
Mon 6/88:02 pm
MSO
- PDX
1 stop13h 00m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$351
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/274:15 pm
PDX
- COD
1 stop5h 28m
United Airlines
Sat 5/3010:40 am
COD
- PDX
1 stop8h 06m
United Airlines
Deal found 4/28![United Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 6/57:05 am
PDX
- MSO
2 stops9h 19m
Delta
Mon 6/85:31 am
MSO
- PDX
2 stops7h 11m
Delta
Deal found 4/29![Delta logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 5/225:46 pm
PDX
- FCA
1 stop16h 05m
Alaska Airlines
Tue 5/264:14 pm
FCA
- PDX
Nonstop1h 35m
Alaska Airlines
Deal found 4/26![Alaska Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/213:30 pm
PDX
- MSO
2 stops7h 52m
Delta
Sun 5/245:30 am
MSO
- PDX
1 stop4h 22m
Delta
Deal found 4/27![Delta logo]()
$308
This Alaska Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/185:50 pm
PDX
- MSO
1 stop5h 09m
Alaska Airlines
Thu 5/2112:56 pm
MSO
- PDX
Nonstop1h 30m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 6/127:20 pm
PDX
- MSO
1 stop4h 08m
Delta
Sat 6/205:31 am
MSO
- PDX
1 stop4h 04m
Delta
Deal found 4/30![Delta logo]()
$318
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/124:07 pm
PDX
- COD
1 stop24h 11m
United Airlines
Sat 9/196:00 pm
COD
- PDX
1 stop5h 52m
United Airlines
Deal found 5/1![United Airlines logo]()
$516
This Alaska Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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
Fri 7/177:59 pm
MSO
- PDX
1 stop3h 26m
Alaska Airlines
Deal found 4/26![Alaska Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:20 pm
PDX
- BZN
1 stop4h 03m
Delta
Wed 7/228:25 am
BZN
- PDX
1 stop4h 16m
Delta
Deal found 4/27![Delta logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/2312:03 pm
PDX
- BIL
Nonstop1h 51m
Alaska Airlines
Wed 5/277:21 pm
BIL
- PDX
1 stop22h 29m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$365
Last-minute flights from Portland to MontanaDiscover last-minute flight deals from Portland to Montana. Data last updated May 1, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Montana. Data last updated May 1, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 5/203:10 pm
PDX
- MSO
1 stop7h 30m
Delta
Sat 5/235:30 am
MSO
- PDX
1 stop4h 22m
Delta
Deal found 4/26![Delta logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 4/29![Alaska Airlines logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/2310:52 am
PDX
- MSO
Nonstop1h 31m
Alaska Airlines
Wed 5/2712:56 pm
MSO
- PDX
Nonstop1h 30m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/235:01 pm
PDX
- FCA
1 stop5h 13m
Delta
Wed 5/275:13 am
FCA
- PDX
1 stop4h 39m
Delta
Deal found 4/28![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/245:51 pm
PDX
- BZN
1 stop4h 30m
Delta
Tue 6/25:35 am
BZN
- PDX
1 stop4h 17m
Delta
Deal found 4/27![Delta logo]()
$237
This Expedia deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/2410:35 am
PDX
- BZN
Nonstop1h 42m
Alaska Airlines
Tue 6/24:12 pm
BZN
- PDX
Nonstop1h 48m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$248
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/259:20 am
PDX
- BZN
1 stop4h 57m
Delta
Mon 6/15:35 am
BZN
- PDX
1 stop4h 17m
Delta
Deal found 4/27![Delta logo]()
$247
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/255:45 am
PDX
- FCA
1 stop4h 40m
Delta
Mon 6/15:13 am
FCA
- PDX
1 stop4h 39m
Delta
Deal found 4/27![Delta logo]()
$247
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/255:00 am
PDX
- BZN
1 stop7h 20m
United Airlines
Tue 6/24:17 pm
BZN
- PDX
1 stop5h 37m
United Airlines
Deal found 4/28![United Airlines logo]()
$252
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/263:10 pm
PDX
- BIL
1 stop7h 04m
Delta
Thu 5/286:19 pm
BIL
- PDX
1 stop6h 25m
Delta
Deal found 4/29![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/265:51 pm
PDX
- BZN
1 stop4h 30m
Delta
Thu 5/286:35 pm
BZN
- PDX
1 stop6h 09m
Delta
Deal found 4/29![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 4/26![Delta 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 May 1, 2026.
Search for one-way flight options from Portland to Montana. Find affordable one-way fares based on user searches. Data last updated May 1, 2026.
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 4/27![Delta logo]()
$114
This Alaska Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 6/55:46 pm
PDX
- BZN
1 stop3h 56m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$119
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 6/65:01 pm
PDX
- MSO
1 stop5h 15m
Delta
Deal found 4/27![Delta logo]()
$124
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/259:20 am
PDX
- BZN
1 stop4h 57m
Delta
Deal found 4/27![Delta logo]()
$124
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/285:45 am
PDX
- FCA
1 stop4h 40m
Delta
Deal found 4/27![Delta logo]()
$124
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 6/13:10 pm
PDX
- BIL
1 stop7h 04m
Delta
Deal found 4/28![Delta logo]()
$129
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/235:45 am
PDX
- MSO
1 stop5h 49m
Delta
Deal found 4/28![Delta logo]()
$139
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 6/47:00 pm
PDX
- MSO
1 stop4h 22m
Delta
Deal found 4/28![Delta logo]()
$149
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/255:00 am
PDX
- BZN
1 stop7h 20m
United Airlines
Deal found 4/28![United Airlines logo]()
$149
This Travelocity deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2510:52 am
PDX
- MSO
Nonstop1h 31m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 7/96:38 pm
PDX
- BZN
1 stop19h 15m
Allegiant Air
Deal found 4/28![Allegiant Air logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/2812:35 pm
PDX
- FCA
2 stops20h 11m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$165
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 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $217 (Delta) |
One-way from | $114 (Delta) |
Popular in | April |
Cheapest in | January |
Average price | $368 |
Good round-trip deal | $207 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 May 1, 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
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
$217
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
$237
PortlandBillings
PDX - BIL
PDXBIL
Portland
Thu 6/4
3:10 pm-11:14 pm
1 stop7h 04m
Billings Logan Intl
Mon 6/8
6:40 pm-11:46 pm
1 stop6h 06m
$257
PortlandBillings
PDX - BIL
PDXBIL
Portland
Sun 5/31
5:45 am-10:54 am
1 stop4h 09m
Billings Logan Intl
Sun 6/7
5:20 am-8:39 am
1 stop4h 19m
$257
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Fri 5/29
5:51 pm-11:21 pm
1 stop4h 30m
Bozeman Gallatin Field
Mon 6/1
8:00 am-11:37 am
1 stop4h 37m
$257
PortlandBillings
PDX - BIL
PDXBIL
Portland
Fri 6/5
3:30 pm-10:52 pm
2 stops6h 22m
Billings Logan Intl
Mon 6/8
5:20 am-8:39 am
1 stop4h 19m
$262
PortlandKalispell
PDX - FCA
PDXFCA
Portland
Tue 5/19
5:00 am-10:51 am
1 stop4h 51m
Kalispell Glacier Park
Thu 5/21
4:14 pm-4:49 pm
Nonstop1h 35m
$267
PortlandBillings
PDX - BIL
PDXBIL
Portland
Fri 6/5
3:10 pm-11:14 pm
1 stop7h 04m
Billings Logan Intl
Sun 6/7
5:20 am-8:39 am
1 stop4h 19m
$272
PortlandMissoula
PDX - MSO
PDXMSO
Portland
Sat 5/23
5:45 am-12:34 pm
1 stop5h 49m
Missoula Johnson-Bell Field
Wed 5/27
5:30 am-8:52 am
1 stop4h 22m
$277
PortlandMissoula
PDX - MSO
PDXMSO
Portland
Sat 5/23
3:30 pm-11:16 pm
2 stops6h 46m
Missoula Johnson-Bell Field
Tue 5/26
5:30 am-8:52 am
1 stop4h 22m
$282
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Portland to Montana
Have a flexible travel schedule? Discover the best time to fly to Montana from Portland with our price prediction graph.
PDX-BZN
PDX-MSO
PDX-FCA
PDX-BIL
PDX-BTM
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Portland to Montana
PDX-USMT
PDX-BZN
PDX-MSO
PDX-FCA
PDX-BIL
How far ahead should I book a flight from Portland to Montana?
The best time to book flights from Portland to Montana is 78 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 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 May 1, 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 25, 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 1, 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 1, 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.
Food
7.1
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.1
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.1
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.1
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.1
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Overall
7.9
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 1, 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 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$344 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$88 | Average$298 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$137 | Average$384 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$184 | Average$334 | FlexibilityNo cancel fee | On-time69% |