$129+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BZN
Jul 29 — Aug 51
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 June 29, 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 June 29, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/24. 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.
Wed 10/2110:30 am
PDX
- BZN
Nonstop1h 52m
Alaska Airlines
Sat 10/243:35 pm
BZN
- PDX
Nonstop1h 52m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$187
This Delta deal was found by Cheapflights users on 6/27. 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.
Wed 9/95:50 pm
PDX
- BZN
1 stop3h 59m
Delta
Tue 9/153:38 pm
BZN
- PDX
1 stop5h 24m
Delta
Deal found 6/27![Delta logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 6/26. 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 9/3012:08 pm
PDX
- BIL
Nonstop1h 54m
Alaska Airlines
Wed 10/73:44 pm
BIL
- PDX
Nonstop2h 06m
Alaska Airlines
Deal found 6/26![Alaska Airlines logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 6/28. 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.
Fri 10/1610:30 am
PDX
- BZN
Nonstop1h 52m
Alaska Airlines
Mon 10/193:35 pm
BZN
- PDX
Nonstop1h 52m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$227
This Delta deal was found by Cheapflights users on 6/25. 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 8/205:08 pm
PDX
- BZN
1 stop5h 56m
Delta
Tue 8/256:00 am
BZN
- PDX
1 stop3h 37m
Delta
Deal found 6/25![Delta logo]()
$232
This Delta deal was found by Cheapflights users on 6/26. 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 9/305:10 pm
PDX
- BIL
1 stop4h 24m
Delta
Tue 10/611:35 am
BIL
- PDX
1 stop5h 52m
Delta
Deal found 6/26![Delta logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 6/25. 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 9/1610:48 am
PDX
- MSO
Nonstop1h 37m
Alaska Airlines
Tue 9/224:16 pm
MSO
- PDX
1 stop4h 34m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 6/26. 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 10/25:41 pm
PDX
- BIL
1 stop4h 48m
Alaska Airlines
Wed 10/73:44 pm
BIL
- PDX
Nonstop2h 06m
Alaska Airlines
Deal found 6/26![Alaska Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 6/25. 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.
Fri 10/167:14 pm
PDX
- BZN
1 stop3h 56m
Delta
Mon 10/195:45 am
BZN
- PDX
1 stop4h 31m
Delta
Deal found 6/25![Delta logo]()
$247
This Delta deal was found by Cheapflights users on 6/25. 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.
Tue 10/65:05 pm
PDX
- BIL
1 stop4h 27m
Delta
Sun 10/115:45 am
BIL
- PDX
1 stop4h 31m
Delta
Deal found 6/25![Delta logo]()
$252
This Delta deal was found by Cheapflights users on 6/25. 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 9/169:46 am
PDX
- MSO
1 stop6h 51m
Delta
Tue 9/225:30 am
MSO
- PDX
1 stop4h 11m
Delta
Deal found 6/25![Delta logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 6/24. 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.
Fri 10/25:41 pm
PDX
- BIL
1 stop4h 48m
Alaska Airlines
Mon 10/53:44 pm
BIL
- PDX
Nonstop2h 06m
Alaska Airlines
Deal found 6/24![Alaska Airlines 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 June 29, 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 June 29, 2026.
This Delta deal was found by Cheapflights users on 6/26. 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 9/115:40 am
PDX
- BIL
1 stop5h 37m
Delta
Mon 9/146:33 pm
BIL
- PDX
1 stop6h 07m
Delta
Deal found 6/26![Delta logo]()
$267
This United Airlines deal was found by Cheapflights users on 6/26. 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.
Mon 8/315:00 am
PDX
- BZN
1 stop7h 24m
United Airlines
Fri 9/44:32 pm
BZN
- PDX
1 stop5h 33m
United Airlines
Deal found 6/26![United Airlines logo]()
$275
This Alaska Airlines deal was found by Cheapflights users on 6/25. 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.
Fri 9/1112:08 pm
PDX
- BIL
Nonstop1h 54m
Alaska Airlines
Mon 9/143:42 pm
BIL
- PDX
Nonstop2h 02m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$287
This Southwest deal was found by Cheapflights users on 6/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/251:35 pm
PDX
- BZN
1 stop7h 50m
Southwest
Wed 9/302:00 pm
BZN
- PDX
2 stops7h 40m
Southwest
Deal found 6/28![Southwest logo]()
$330
This United Airlines deal was found by Cheapflights users on 6/28. 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 8/245:00 am
PDX
- BZN
1 stop7h 24m
United Airlines
Thu 8/274:32 pm
BZN
- PDX
1 stop7h 22m
United Airlines
Deal found 6/28![United Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 6/27. 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 8/145:45 am
PDX
- BIL
1 stop4h 22m
Delta
Wed 8/195:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 6/27![Delta logo]()
$282
This Alaska Airlines deal was found by Cheapflights users on 6/26. 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 8/313:03 pm
PDX
- BZN
1 stop28h 42m
Alaska Airlines
Fri 9/43:35 pm
BZN
- PDX
Nonstop1h 52m
Alaska Airlines
Deal found 6/26![Alaska Airlines logo]()
$305
This Delta deal was found by Cheapflights users on 6/27. 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.
Tue 8/255:08 pm
PDX
- MSO
1 stop6h 10m
Delta
Sat 8/297:13 am
MSO
- PDX
1 stop5h 57m
Delta
Deal found 6/27![Delta logo]()
$298
This Southwest deal was found by Cheapflights users on 6/27. 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 8/2812:40 pm
PDX
- BZN
2 stops8h 45m
Southwest
Tue 9/12:00 pm
BZN
- PDX
2 stops9h 20m
Southwest
Deal found 6/27![Southwest logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 6/28. 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.
Wed 9/165:41 pm
PDX
- MSO
1 stop4h 20m
Alaska Airlines
Tue 9/224:16 pm
MSO
- PDX
2 stops18h 53m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$326
This Southwest deal was found by Cheapflights users on 6/28. 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 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
Thu 8/275:05 pm
BZN
- PDX
1 stop7h 00m
Southwest
Deal found 6/28![Southwest logo]()
$348
This Delta deal was found by Cheapflights users on 6/25. 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.
Fri 7/317:20 pm
PDX
- BZN
1 stop4h 03m
Delta
Sun 8/25:15 am
BZN
- PDX
1 stop4h 22m
Delta
Deal found 6/25![Delta logo]()
$328
This Alaska Airlines deal was found by Cheapflights users on 6/25. 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 10/3110:51 am
PDX
- HLN
1 stop4h 20m
Alaska Airlines
Wed 11/44:41 pm
HLN
- PDX
1 stop7h 19m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 6/26. 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 8/259:45 am
PDX
- BTM
1 stop6h 11m
Delta
Tue 9/16:10 pm
BTM
- PDX
1 stop5h 28m
Delta
Deal found 6/26![Delta logo]()
$342
This Alaska Airlines deal was found by Cheapflights users on 6/24. 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.
Wed 10/289:28 am
PDX
- HLN
1 stop5h 43m
Alaska Airlines
Sat 10/314:48 pm
HLN
- PDX
1 stop6h 11m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 6/28. 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.
Sun 8/99:19 am
PDX
- BZN
1 stop3h 50m
Alaska Airlines
Tue 9/83:42 pm
BZN
- PDX
Nonstop1h 52m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 6/26. 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 8/115:45 am
PDX
- FCA
1 stop4h 24m
Delta
Mon 8/175:15 am
FCA
- PDX
1 stop4h 22m
Delta
Deal found 6/26![Delta logo]()
$348
This United Airlines deal was found by Cheapflights users on 6/24. 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.
Tue 10/275:00 am
PDX
- COD
1 stop6h 53m
United Airlines
Sat 10/311:28 pm
COD
- PDX
1 stop5h 37m
United Airlines
Deal found 6/24![United Airlines logo]()
$489
This Delta deal was found by Cheapflights users on 6/26. 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.
Sun 9/135:40 am
PDX
- FCA
1 stop5h 07m
Delta
Sat 9/195:30 am
FCA
- PDX
1 stop4h 11m
Delta
Deal found 6/26![Delta logo]()
$348
This Priceline deal was found by Cheapflights users on 6/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:09 am
PDX
- GTF
1 stop8h 29m
Alaska Airlines
Wed 9/95:19 pm
GTF
- PDX
1 stop5h 42m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$382
This Delta deal was found by Cheapflights users on 6/26. 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 9/167:00 am
PDX
- MSO
2 stops9h 37m
Delta
Tue 9/225:30 am
MSO
- PDX
1 stop4h 11m
Delta
Deal found 6/26![Delta logo]()
$350
This Alaska Airlines deal was found by Cheapflights users on 6/27. 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.
Fri 8/2811:48 am
PDX
- HLN
1 stop3h 46m
Alaska Airlines
Tue 9/15:11 pm
HLN
- PDX
1 stop3h 39m
Alaska Airlines
Deal found 6/27![Alaska Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 6/25. 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 8/195:30 am
PDX
- GTF
2 stops11h 08m
Delta
Sat 8/225:40 am
GTF
- PDX
1 stop3h 57m
Delta
Deal found 6/25![Delta logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 6/27. 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.
Tue 8/256:53 pm
PDX
- MSO
2 stops19h 24m
Alaska Airlines
Sat 8/297:15 am
MSO
- PDX
2 stops7h 31m
Alaska Airlines
Deal found 6/27![Alaska Airlines logo]()
$386
This Delta deal was found by Cheapflights users on 6/24. 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.
Sun 7/125:45 am
PDX
- BIL
1 stop4h 24m
Delta
Sun 7/195:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 6/24![Delta logo]()
$352
This United Airlines deal was found by Cheapflights users on 6/24. 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 9/238:40 am
PDX
- BTM
1 stop12h 46m
United Airlines
Sat 9/2610:00 am
BTM
- PDX
1 stop24h 27m
United Airlines
Deal found 6/24![United Airlines logo]()
$665
This Alaska Airlines deal was found by Cheapflights users on 6/24. 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 9/225:53 pm
PDX
- GTF
2 stops21h 46m
Alaska Airlines
Sat 9/265:19 pm
GTF
- PDX
1 stop3h 31m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$386
This Delta deal was found by Cheapflights users on 6/25. 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 7/235:14 pm
PDX
- BIL
1 stop4h 36m
Delta
Thu 7/305:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 6/25![Delta logo]()
$353
This United Airlines deal was found by Cheapflights users on 6/26. 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.
Tue 8/257:00 am
PDX
- BTM
3 stops38h 26m
United Airlines
Tue 9/18:37 am
BTM
- PDX
2 stops31h 10m
United Airlines
Deal found 6/26![United Airlines logo]()
$686
This Delta deal was found by Cheapflights users on 6/28. 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.
Sun 8/95:54 pm
PDX
- BZN
1 stop3h 48m
Delta
Tue 9/86:00 am
BZN
- PDX
1 stop3h 41m
Delta
Deal found 6/28![Delta logo]()
$353
Last-minute flights from Portland to MontanaDiscover last-minute flight deals from Portland to Montana. Data last updated June 29, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Montana. Data last updated June 29, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 6/24. 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.
Tue 7/145:55 pm
PDX
- BZN
1 stop5h 55m
Southwest
Thu 7/307:15 pm
BZN
- PDX
1 stop6h 20m
Southwest
Deal found 6/24![Southwest logo]()
$343
This Southwest deal was found by Cheapflights users on 6/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:55 pm
PDX
- BZN
1 stop5h 55m
Southwest
Sun 7/196:00 am
BZN
- PDX
1 stop7h 25m
Southwest
Deal found 6/28![Southwest logo]()
$356
This Southwest deal was found by Cheapflights users on 6/27. 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.
Thu 7/166:00 pm
PDX
- BZN
1 stop6h 15m
Southwest
Sun 7/196:00 am
BZN
- PDX
1 stop7h 25m
Southwest
Deal found 6/27![Southwest logo]()
$370
This Delta deal was found by Cheapflights users on 6/25. 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.
Fri 7/177:20 pm
PDX
- BZN
1 stop4h 03m
Delta
Wed 7/223:54 pm
BZN
- PDX
1 stop5h 08m
Delta
Deal found 6/25![Delta logo]()
$328
This Delta deal was found by Cheapflights users on 6/29. 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 7/175:14 pm
PDX
- BIL
1 stop4h 36m
Delta
Sun 7/195:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 6/29![Delta logo]()
$352
This Delta deal was found by Cheapflights users on 6/25. 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 7/225:45 am
PDX
- BIL
1 stop4h 24m
Delta
Wed 7/295:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 6/25![Delta logo]()
$327
This Delta deal was found by Cheapflights users on 6/25. 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 7/235:14 pm
PDX
- BIL
1 stop4h 36m
Delta
Mon 7/276:34 pm
BIL
- PDX
1 stop6h 10m
Delta
Deal found 6/25![Delta logo]()
$353
This Delta deal was found by Cheapflights users on 6/25. 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.
Fri 7/245:45 am
PDX
- BZN
1 stop4h 32m
Delta
Tue 7/285:15 am
BZN
- PDX
1 stop4h 22m
Delta
Deal found 6/25![Delta logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2512:20 pm
PDX
- MSO
2 stops20h 14m
Multiple Airlines
Thu 8/610:24 am
MSO
- PDX
1 stop8h 40m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 6/24. 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.
Tue 7/284:05 pm
PDX
- BZN
2 stops7h 45m
Southwest
Fri 7/317:15 pm
BZN
- PDX
1 stop6h 20m
Southwest
Deal found 6/24![Southwest logo]()
$333
This Southwest deal was found by Cheapflights users on 6/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/294:05 pm
PDX
- BZN
2 stops7h 45m
Southwest
Tue 8/46:55 am
BZN
- PDX
2 stops9h 30m
Southwest
Deal found 6/28![Southwest logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:49 pm
PDX
- BIL
1 stop13h 25m
Multiple Airlines
Sat 8/13:40 pm
BIL
- PDX
1 stop27h 08m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$307
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 June 29, 2026.
Search for one-way flight options from Portland to Montana. Find affordable one-way fares based on user searches. Data last updated June 29, 2026.
This Delta deal was found by Cheapflights users on 6/25. 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.
Tue 8/255:08 pm
PDX
- MSO
1 stop6h 10m
Delta
Deal found 6/25![Delta logo]()
$129
This United Airlines deal was found by Cheapflights users on 6/27. 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.
Fri 8/284:07 pm
PDX
- BIL
1 stop5h 00m
United Airlines
Deal found 6/27![United Airlines logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:58 pm
PDX
- BZN
1 stop18h 58m
Allegiant Air
Deal found 6/26![Allegiant Air logo]()
$136
This Southwest deal was found by Cheapflights users on 6/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/223:40 pm
PDX
- BZN
1 stop8h 10m
Southwest
Deal found 6/28![Southwest logo]()
$138
This Expedia deal was found by Cheapflights users on 6/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/710:33 am
PDX
- BZN
Nonstop1h 51m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$144
This Priceline deal was found by Cheapflights users on 6/25. 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.
Tue 8/2510:48 am
PDX
- MSO
Nonstop1h 37m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$154
This Delta deal was found by Cheapflights users on 6/26. 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.
Mon 8/245:08 pm
PDX
- BZN
1 stop5h 56m
Delta
Deal found 6/26![Delta logo]()
$154
This United Airlines deal was found by Cheapflights users on 6/24. 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.
Tue 8/47:00 am
PDX
- BZN
1 stop7h 21m
United Airlines
Deal found 6/24![United Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 6/26. 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.
Mon 8/245:15 am
PDX
- BZN
2 stops8h 35m
Southwest
Deal found 6/26![Southwest logo]()
$163
This Southwest deal was found by Cheapflights users on 6/26. 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.
Fri 8/74:20 pm
PDX
- BZN
1 stop5h 05m
Southwest
Deal found 6/26![Southwest logo]()
$164
This Southwest deal was found by Cheapflights users on 6/27. 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.
Sat 8/811:20 am
PDX
- BZN
1 stop7h 45m
Southwest
Deal found 6/27![Southwest logo]()
$172
This Trip.com deal was found by Cheapflights users on 6/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/196:49 pm
PDX
- FCA
1 stop13h 51m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$177
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 June 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $207 (Priceline) |
One-way from | $129 (Delta) |
Popular in | June |
Cheapest in | January |
Average price | $488 |
Good round-trip deal | $292 or less |
Good one-way deal | $219 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 June 29, 2026.
Use the filters below to find and compare flights from Portland to Montana that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandBillings
PDX - BIL
PDXBIL
Portland
Fri 9/11
5:40 am-12:17 pm
1 stop5h 37m
Billings Logan Intl
Mon 9/14
6:33 pm-11:40 pm
1 stop6h 07m
$267
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Mon 8/31
5:00 am-1:24 pm
1 stop7h 24m
Bozeman Gallatin Field
Fri 9/4
4:32 pm-9:05 pm
1 stop5h 33m
$275
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Mon 8/24
5:00 am-1:24 pm
1 stop7h 24m
Bozeman Gallatin Field
Thu 8/27
4:32 pm-10:54 pm
1 stop7h 22m
$277
PortlandBillings
PDX - BIL
PDXBIL
Portland
Fri 8/14
5:45 am-11:07 am
1 stop4h 22m
Billings Logan Intl
Wed 8/19
5:20 am-8:37 am
1 stop4h 17m
$282
Quickest round-trip
PortlandBillings
PDX - BIL
PDXBIL
Portland
Fri 9/11
12:08 pm-3:02 pm
Nonstop1h 54m
Billings Logan Intl
Mon 9/14
3:42 pm-4:44 pm
Nonstop2h 02m
$287
PortlandMissoula
PDX - MSO
PDXMSO
Portland
Tue 8/25
5:08 pm-12:18 am
1 stop6h 10m
Missoula Johnson-Bell Field
Sat 8/29
7:13 am-12:10 pm
1 stop5h 57m
$298
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Mon 8/31
3:03 pm-8:45 pm
1 stop28h 42m
Bozeman Gallatin Field
Fri 9/4
3:35 pm-4:27 pm
Nonstop1h 52m
$305
PortlandMissoula
PDX - MSO
PDXMSO
Portland
Wed 9/16
5:41 pm-11:01 pm
1 stop4h 20m
Missoula Johnson-Bell Field
Tue 9/22
4:16 pm-10:09 am
2 stops18h 53m
$326
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Fri 7/31
7:20 pm-12:23 am
1 stop4h 03m
Bozeman Gallatin Field
Sun 8/2
5:15 am-8:37 am
1 stop4h 22m
$328
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Fri 9/25
1:35 pm-10:25 pm
1 stop7h 50m
Bozeman Gallatin Field
Wed 9/30
2:00 pm-8:40 pm
2 stops7h 40m
$330
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Portland to Montana
Have a flexible travel schedule? Discover the best time to fly to Montana from Portland with our price prediction graph.
PDX-MSO
PDX-BZN
PDX-BIL
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-MSO
PDX-BZN
PDX-BIL
PDX-FCA
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 June is currently the most expensive (average of $261). 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 June 29, 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 49% 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 June 29, 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?
How far ahead should I book a flight from Portland to Montana?
The best time to book flights from Portland to Montana is 82 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 June 27, 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 June 29, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andHawaiian Airlines from Portland to Montana by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Entertainment
7.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Entertainment
7.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Entertainment
7.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Entertainment
7.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Entertainment
7.0
Food
7.0
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.
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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 June 29, 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 June 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$372 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$137 | Average$302 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$137 | Average$401 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$211 | Average$271 | FlexibilityNo cancel fee | On-time69% |