$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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BZN
Aug 26 — Sep 21
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Portland to Montana with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Montana
Cheapest
Best
Last-minute
One-way
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 July 27, 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 July 27, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:30 am
PDX
- BZN
Nonstop1h 45m
Alaska Airlines
Sat 10/243:55 pm
BZN
- PDX
Nonstop1h 48m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$207
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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.
Sat 9/1910:33 am
PDX
- BZN
Nonstop1h 51m
Alaska Airlines
Mon 9/213:42 pm
BZN
- PDX
Nonstop1h 52m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:08 pm
PDX
- BIL
Nonstop1h 54m
Alaska Airlines
Wed 9/303:42 pm
BIL
- PDX
Nonstop2h 02m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$227
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/225:08 pm
PDX
- BZN
1 stop3h 55m
Delta
Sat 8/298:25 am
BZN
- PDX
1 stop5h 35m
Delta
Deal found 7/23![Delta logo]()
$227
This Southwest deal was found by Cheapflights users on 7/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2611:20 am
PDX
- BZN
1 stop7h 45m
Southwest
Tue 9/296:55 am
BZN
- PDX
2 stops8h 10m
Southwest
Deal found 7/22![Southwest logo]()
$232
This Alaska Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:14 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Sun 10/113:44 pm
BIL
- PDX
Nonstop2h 06m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 7/26. 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 9/95:50 pm
PDX
- BZN
1 stop3h 59m
Delta
Wed 9/166:39 pm
BZN
- PDX
1 stop6h 01m
Delta
Deal found 7/26![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:35 am
PDX
- BZN
2 stops9h 50m
Southwest
Mon 8/315:05 pm
BZN
- PDX
1 stop7h 00m
Southwest
Deal found 7/25![Southwest logo]()
$242
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1410:48 am
PDX
- MSO
Nonstop1h 27m
Alaska Airlines
Wed 11/1812:55 pm
MSO
- PDX
Nonstop1h 37m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 7/22. 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.
Thu 8/273:25 pm
PDX
- BZN
1 stop6h 17m
Delta
Sun 8/308:25 am
BZN
- PDX
1 stop4h 20m
Delta
Deal found 7/22![Delta logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 10/1710:48 am
PDX
- MSO
Nonstop1h 38m
Alaska Airlines
Thu 10/221:06 pm
MSO
- PDX
Nonstop1h 36m
Alaska Airlines
Deal found 7/25![Alaska Airlines logo]()
$252
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/245:15 am
PDX
- BZN
2 stops8h 35m
Southwest
Fri 8/285:05 pm
BZN
- PDX
1 stop7h 00m
Southwest
Deal found 7/24![Southwest logo]()
$252
Best flights from Portland to MontanaDiscover carefully curated flight deals from Portland to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 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 July 27, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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.
Wed 10/2110:30 am
PDX
- BZN
Nonstop1h 45m
Alaska Airlines
Sat 10/243:55 pm
BZN
- PDX
Nonstop1h 48m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$207
This Delta deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:50 pm
PDX
- BZN
1 stop3h 59m
Delta
Tue 9/156:00 am
BZN
- PDX
1 stop3h 41m
Delta
Deal found 7/25![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:35 am
PDX
- BZN
2 stops9h 50m
Southwest
Mon 8/315:05 pm
BZN
- PDX
1 stop7h 00m
Southwest
Deal found 7/25![Southwest logo]()
$242
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 10/217:00 am
PDX
- BZN
1 stop7h 14m
United Airlines
Sat 10/244:22 pm
BZN
- PDX
1 stop7h 35m
United Airlines
Deal found 7/24![United Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/288:00 am
PDX
- BZN
1 stop5h 50m
Southwest
Mon 8/315:05 pm
BZN
- PDX
1 stop7h 00m
Southwest
Deal found 7/24![Southwest logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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.
Sat 11/147:05 am
PDX
- MSO
1 stop4h 03m
Alaska Airlines
Wed 11/1812:55 pm
MSO
- PDX
Nonstop1h 37m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 7/26. 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.
Thu 9/175:49 pm
PDX
- BZN
1 stop4h 00m
Delta
Mon 9/216:00 am
BZN
- PDX
1 stop3h 41m
Delta
Deal found 7/26![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 7/22. 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.
Sat 10/245:15 pm
PDX
- MSO
1 stop4h 21m
Delta
Mon 10/266:24 pm
MSO
- PDX
1 stop6h 23m
Delta
Deal found 7/22![Delta logo]()
$272
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:20 am
PDX
- BZN
1 stop12h 39m
Alaska Airlines
Tue 9/153:42 pm
BZN
- PDX
Nonstop1h 52m
Alaska Airlines
Deal found 7/25![Alaska Airlines logo]()
$290
This Delta deal was found by Cheapflights users on 7/26. 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 9/165:10 pm
PDX
- MSO
1 stop6h 08m
Delta
Tue 9/225:30 am
MSO
- PDX
1 stop4h 11m
Delta
Deal found 7/26![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:00 am
PDX
- COD
1 stop7h 50m
United Airlines
Sun 8/305:00 am
COD
- PDX
1 stop5h 32m
United Airlines
Deal found 7/23![United Airlines logo]()
$348
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:09 am
PDX
- BZN
1 stop14h 50m
Alaska Airlines
Sat 9/123:42 pm
BZN
- PDX
Nonstop1h 52m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$290
This Southwest deal was found by Cheapflights users on 7/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:20 pm
PDX
- BZN
1 stop5h 05m
Southwest
Sun 9/276:30 am
BZN
- PDX
2 stops8h 10m
Southwest
Deal found 7/22![Southwest logo]()
$332
This Delta deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:10 pm
PDX
- BIL
1 stop4h 24m
Delta
Sun 9/135:20 am
BIL
- PDX
1 stop4h 21m
Delta
Deal found 7/25![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 9/261:13 pm
PDX
- BIL
2 stops8h 38m
United Airlines
Tue 9/292:28 pm
BIL
- PDX
1 stop7h 42m
United Airlines
Deal found 7/24![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 7/26. 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.
Fri 9/119:46 am
PDX
- BIL
1 stop7h 07m
Delta
Mon 9/145:20 am
BIL
- PDX
1 stop4h 21m
Delta
Deal found 7/26![Delta logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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.
Sat 9/265:07 am
PDX
- BIL
1 stop5h 33m
Alaska Airlines
Wed 9/306:14 am
BIL
- PDX
1 stop6h 06m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$320
This Delta deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 11/19:55 am
PDX
- MSO
1 stop6h 50m
Delta
Fri 11/66:25 pm
MSO
- PDX
1 stop4h 53m
Delta
Deal found 7/25![Delta logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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.
Thu 9/1710:33 am
PDX
- BZN
Nonstop1h 51m
Alaska Airlines
Sun 9/207:03 am
BZN
- PDX
1 stop8h 27m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$320
This United Airlines deal was found by Cheapflights users on 7/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/224:07 pm
PDX
- COD
1 stop5h 38m
United Airlines
Wed 8/262:25 pm
COD
- PDX
1 stop7h 40m
United Airlines
Deal found 7/22![United Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:15 pm
PDX
- MSO
1 stop6h 06m
Delta
Mon 10/195:30 am
MSO
- PDX
1 stop4h 21m
Delta
Deal found 7/24![Delta logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:34 pm
PDX
- BIL
1 stop24h 55m
Alaska Airlines
Sun 9/133:42 pm
BIL
- PDX
Nonstop2h 02m
Alaska Airlines
Deal found 7/25![Alaska Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 7/22. 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.
Wed 9/235:10 pm
PDX
- FCA
1 stop4h 44m
Delta
Wed 9/305:30 am
FCA
- PDX
1 stop4h 11m
Delta
Deal found 7/22![Delta logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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 10/210:33 am
PDX
- BZN
Nonstop1h 51m
Alaska Airlines
Mon 10/52:55 pm
BZN
- PDX
1 stop19h 38m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:08 pm
PDX
- BIL
1 stop4h 17m
Delta
Sun 8/235:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 7/23![Delta logo]()
$302
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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.
Wed 9/169:20 am
PDX
- MSO
1 stop4h 57m
Alaska Airlines
Tue 9/221:19 pm
MSO
- PDX
Nonstop1h 31m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$358
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 8/267:07 pm
PDX
- BTM
1 stop26h 19m
United Airlines
Sat 8/298:38 am
BTM
- PDX
1 stop25h 54m
United Airlines
Deal found 7/25![United Airlines logo]()
$560
This Alaska Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 11/147:05 am
PDX
- GTF
1 stop8h 12m
Alaska Airlines
Tue 11/174:57 pm
GTF
- PDX
1 stop19h 22m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 7/22. 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.
Mon 8/175:45 am
PDX
- BIL
1 stop4h 22m
Delta
Fri 8/215:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 7/22![Delta logo]()
$332
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 9/183:27 pm
PDX
- BTM
2 stops29h 59m
United Airlines
Sun 9/209:48 am
BTM
- PDX
2 stops25h 23m
United Airlines
Deal found 7/25![United Airlines logo]()
$581
Last-minute flights from Portland to MontanaDiscover last-minute flight deals from Portland to Montana. Data last updated July 27, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Montana. Data last updated July 27, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:08 pm
PDX
- BIL
1 stop4h 17m
Delta
Mon 8/245:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 7/21![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/225:08 pm
PDX
- BZN
1 stop3h 55m
Delta
Sat 8/298:25 am
BZN
- PDX
1 stop5h 35m
Delta
Deal found 7/23![Delta logo]()
$227
This Priceline deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:33 am
PDX
- BZN
Nonstop1h 51m
Alaska Airlines
Sat 8/293:35 pm
BZN
- PDX
Nonstop1h 52m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$258
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2211:20 am
PDX
- BZN
2 stops7h 45m
Southwest
Sat 8/294:10 pm
BZN
- PDX
1 stop5h 55m
Southwest
Deal found 7/23![Southwest logo]()
$261
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/245:15 am
PDX
- BZN
2 stops8h 35m
Southwest
Fri 8/285:05 pm
BZN
- PDX
1 stop7h 00m
Southwest
Deal found 7/24![Southwest logo]()
$252
This Southwest deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/254:00 pm
PDX
- BZN
1 stop5h 25m
Southwest
Mon 8/315:05 pm
BZN
- PDX
1 stop7h 00m
Southwest
Deal found 7/25![Southwest logo]()
$237
This Expedia deal was found by Cheapflights users on 7/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:41 pm
PDX
- MSO
1 stop4h 18m
Alaska Airlines
Sat 8/294:16 pm
MSO
- PDX
1 stop3h 21m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$267
This Delta deal was found by Cheapflights users on 7/22. 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.
Thu 8/273:25 pm
PDX
- BZN
1 stop6h 17m
Delta
Sun 8/308:25 am
BZN
- PDX
1 stop4h 20m
Delta
Deal found 7/22![Delta logo]()
$247
This Priceline deal was found by Cheapflights users on 7/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:33 am
PDX
- BZN
Nonstop1h 51m
Alaska Airlines
Mon 8/313:35 pm
BZN
- PDX
Nonstop1h 52m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$268
This Priceline deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2910:33 am
PDX
- BZN
Nonstop1h 51m
Alaska Airlines
Sat 9/53:35 pm
BZN
- PDX
Nonstop1h 52m
Alaska Airlines
Deal found 7/25![Alaska Airlines logo]()
$263
This Southwest deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2911:20 am
PDX
- BZN
2 stops7h 45m
Southwest
Sat 9/57:10 am
BZN
- PDX
1 stop14h 10m
Southwest
Deal found 7/25![Southwest logo]()
$267
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:08 pm
PDX
- BIL
1 stop4h 17m
Delta
Sat 9/56:24 pm
BIL
- PDX
1 stop5h 14m
Delta
Deal found 7/23![Delta logo]()
$257
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 July 27, 2026.
Search for one-way flight options from Portland to Montana. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
This Southwest deal was found by Cheapflights users on 7/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/291:30 pm
PDX
- BZN
1 stop5h 35m
Southwest
Deal found 7/26![Southwest logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 9/109:34 pm
PDX
- FCA
1 stop21h 19m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$124
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:00 am
PDX
- BIL
1 stop7h 21m
United Airlines
Deal found 7/26![United Airlines logo]()
$134
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:00 pm
PDX
- MSO
1 stop4h 18m
Delta
Deal found 7/23![Delta logo]()
$139
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 9/1911:20 am
PDX
- BZN
1 stop7h 50m
Southwest
Deal found 7/24![Southwest logo]()
$143
This Priceline deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:08 pm
PDX
- BIL
Nonstop1h 54m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$144
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2010:33 am
PDX
- BZN
Nonstop1h 51m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$144
This Delta deal was found by Cheapflights users on 7/22. 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.
Tue 9/15:45 am
PDX
- FCA
1 stop4h 24m
Delta
Deal found 7/22![Delta logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 9/55:56 pm
PDX
- BZN
2 stops25h 56m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$145
This Delta deal was found by Cheapflights users on 7/26. 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.
Tue 9/17:05 am
PDX
- BZN
1 stop6h 29m
Delta
Deal found 7/26![Delta logo]()
$149
This Delta deal was found by Cheapflights users on 7/26. 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.
Tue 9/225:40 am
PDX
- FCA
1 stop5h 07m
Delta
Deal found 7/26![Delta logo]()
$149
This Priceline deal was found by Cheapflights users on 7/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:08 pm
PDX
- BIL
Nonstop1h 54m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$154
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 July 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $207 (Alaska Airlines) |
One-way from | $114 (Southwest) |
Popular in | June |
Cheapest in | January |
Average price | $456 |
Good round-trip deal | $207 or less |
Good one-way deal | $259 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 July 27, 2026.
Use the filters below to find and compare flights from Portland to Montana that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Wed 10/21
10:30 am-1:15 pm
Nonstop1h 45m
Bozeman Gallatin Field
Sat 10/24
3:55 pm-4:43 pm
Nonstop1h 48m
$207
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Wed 9/9
5:50 pm-10:49 pm
1 stop3h 59m
Bozeman Gallatin Field
Tue 9/15
6:00 am-8:41 am
1 stop3h 41m
$237
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Tue 8/25
11:35 am-10:25 pm
2 stops9h 50m
Bozeman Gallatin Field
Mon 8/31
5:05 pm-11:05 pm
1 stop7h 00m
$242
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Fri 8/28
8:00 am-2:50 pm
1 stop5h 50m
Bozeman Gallatin Field
Mon 8/31
5:05 pm-11:05 pm
1 stop7h 00m
$247
PortlandMissoula
PDX - MSO
PDXMSO
Portland
Sat 11/14
7:05 am-12:08 pm
1 stop4h 03m
Missoula Johnson-Bell Field
Wed 11/18
12:55 pm-1:32 pm
Nonstop1h 37m
$257
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Thu 9/17
5:49 pm-10:49 pm
1 stop4h 00m
Bozeman Gallatin Field
Mon 9/21
6:00 am-8:41 am
1 stop3h 41m
$257
PortlandMissoula
PDX - MSO
PDXMSO
Portland
Sat 10/24
5:15 pm-10:36 pm
1 stop4h 21m
Missoula Johnson-Bell Field
Mon 10/26
6:24 pm-11:47 pm
1 stop6h 23m
$272
PortlandMissoula
PDX - MSO
PDXMSO
Portland
Wed 9/16
5:10 pm-12:18 am
1 stop6h 08m
Missoula Johnson-Bell Field
Tue 9/22
5:30 am-8:41 am
1 stop4h 11m
$277
PortlandBillings
PDX - BIL
PDXBIL
Portland
Thu 9/10
5:10 pm-10:34 pm
1 stop4h 24m
Billings Logan Intl
Sun 9/13
5:20 am-8:41 am
1 stop4h 21m
$277
PortlandBillings
PDX - BIL
PDXBIL
Portland
Fri 9/11
9:46 am-5:53 pm
1 stop7h 07m
Billings Logan Intl
Mon 9/14
5:20 am-8:41 am
1 stop4h 21m
$277
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Portland to Montana
Have a flexible travel schedule? Discover the best time to fly to Montana from Portland with our price prediction graph.
PDX-BZN
PDX-BIL
PDX-MSO
PDX-FCA
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-BZN
PDX-BIL
PDX-MSO
PDX-FCA
What is the cheapest month to book a flight from Portland to Montana?
Currently, January is the cheapest month in which you can book a flight from Portland to Montana (average of $261). Flying from Portland to Montana in July is currently the most expensive (average of $546). 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 July 27, 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 50% on your trip compared to booking a flight at noon.
Weekly flight availability from Portland to Montana
Explore weekly flight availability from Portland to Montana. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 27, 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?
Airfare is below average for this route at the moment.
Portland to Montana flights typically cost between $238 and $327 in October.The cheapest round-trip price found within the last 5 days was $207 on Alaska Airlines (Oct 21-Oct 24).
How far ahead should I book a flight from Portland to Montana?
The best time to book flights from Portland to Montana is 84 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from Portland to Montana?
Use this chart to determine the cheapest time to fly round-trip from Portland to Montana. Price data was last updated on July 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.
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 July 27, 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
Food
7.0
Comfort
7.8
Overall
7.9
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Entertainment
7.0
Food
7.0
Comfort
7.8
Overall
7.9
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Entertainment
7.0
Food
7.0
Comfort
7.8
Overall
7.9
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Entertainment
7.0
Food
7.0
Comfort
7.8
Overall
7.9
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Entertainment
7.0
Food
7.0
Comfort
7.8
Overall
7.9
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
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 July 27, 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 July 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$383 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$123 | Average$282 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$137 | Average$394 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$211 | Average$271 | FlexibilityNo cancel fee | On-time69% |