$108+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BZN
Jul 9 — Jul 161
Round-trip
1 adult, Economy
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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 9, 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 9, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 8/2910:33 am
PDX
- BZN
Nonstop1h 51m
Alaska Airlines
Wed 9/23:35 pm
BZN
- PDX
Nonstop1h 52m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$207
This Alaska Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 11/710:48 am
PDX
- MSO
Nonstop1h 27m
Alaska Airlines
Wed 11/1112:55 pm
MSO
- PDX
Nonstop1h 37m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 10/3112:14 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Sun 11/13:32 pm
BIL
- PDX
Nonstop2h 12m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 10/198:00 am
BZN
- PDX
1 stop6h 27m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 8/214:20 pm
PDX
- BZN
1 stop5h 05m
Southwest
Tue 8/256:55 am
BZN
- PDX
1 stop11h 50m
Southwest
Deal found 6/5![Southwest logo]()
$242
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 6/4![Delta logo]()
$247
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 9/52:35 pm
BZN
- PDX
1 stop7h 40m
Southwest
Deal found 6/8![Southwest logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 9/115:41 pm
PDX
- BIL
1 stop4h 48m
Alaska Airlines
Mon 9/143:42 pm
BIL
- PDX
Nonstop2h 02m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 9/175:50 pm
PDX
- BZN
1 stop3h 50m
Delta
Sun 9/206:00 am
BZN
- PDX
1 stop3h 41m
Delta
Deal found 6/8![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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
2 stops7h 45m
Southwest
Thu 8/133:30 pm
BZN
- PDX
1 stop8h 15m
Southwest
Deal found 6/8![Southwest logo]()
$258
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/215:55 pm
PDX
- BZN
1 stop5h 55m
Southwest
Thu 7/237:15 pm
BZN
- PDX
1 stop6h 20m
Southwest
Deal found 6/5![Southwest logo]()
$261
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 9/175:10 pm
PDX
- MSO
1 stop4h 16m
Delta
Sun 9/205:30 am
MSO
- PDX
1 stop4h 11m
Delta
Deal found 6/4![Delta logo]()
$267
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 9, 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 9, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 8/2910:33 am
PDX
- BZN
Nonstop1h 51m
Alaska Airlines
Wed 9/23:35 pm
BZN
- PDX
Nonstop1h 52m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$207
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 6/4![Delta logo]()
$267
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/1110:50 am
PDX
- BZN
2 stops10h 10m
Southwest
Fri 7/177:15 pm
BZN
- PDX
1 stop6h 20m
Southwest
Deal found 6/8![Southwest logo]()
$280
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 8/157:00 am
PDX
- MSO
1 stop7h 24m
United Airlines
Wed 8/195:24 pm
MSO
- PDX
1 stop6h 30m
United Airlines
Deal found 6/4![United Airlines logo]()
$452
This Alaska Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 11/710:48 am
PDX
- MSO
Nonstop1h 27m
Alaska Airlines
Wed 11/1112:55 pm
MSO
- PDX
Nonstop1h 37m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 9/115:05 pm
PDX
- BIL
1 stop4h 22m
Delta
Mon 9/145:20 am
BIL
- PDX
1 stop4h 21m
Delta
Deal found 6/7![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 8/99:16 am
PDX
- BZN
1 stop4h 53m
Delta
Tue 9/85:45 am
BZN
- PDX
1 stop4h 18m
Delta
Deal found 6/7![Delta logo]()
$282
This Alaska Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 9/83:43 pm
BZN
- PDX
Nonstop1h 52m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$298
This Southwest deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/1110:10 am
PDX
- BZN
1 stop10h 50m
Southwest
Mon 7/137:15 pm
BZN
- PDX
1 stop6h 20m
Southwest
Deal found 6/6![Southwest logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:41 pm
PDX
- BIL
1 stop4h 48m
Alaska Airlines
Sun 8/236:21 pm
BIL
- PDX
Nonstop2h 02m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 8/53:25 pm
PDX
- BZN
1 stop6h 17m
Delta
Mon 8/106:00 am
BZN
- PDX
1 stop3h 37m
Delta
Deal found 6/7![Delta logo]()
$328
This Alaska Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 10/315:45 pm
PDX
- BIL
1 stop5h 05m
Alaska Airlines
Sun 11/15:12 pm
BIL
- PDX
1 stop5h 43m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 8/35:54 pm
PDX
- BZN
1 stop3h 48m
Delta
Sat 8/86:00 am
BZN
- PDX
1 stop3h 37m
Delta
Deal found 6/4![Delta logo]()
$328
This Alaska Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 10/319:28 am
PDX
- HLN
1 stop5h 43m
Alaska Airlines
Wed 11/44:41 pm
HLN
- PDX
1 stop6h 14m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/35:24 pm
PDX
- BIL
1 stop4h 25m
Delta
Fri 7/105:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 6/5![Delta logo]()
$347
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 9/255:00 am
PDX
- BTM
1 stop16h 27m
United Airlines
Tue 9/2910:00 am
BTM
- PDX
1 stop24h 28m
United Airlines
Deal found 6/8![United Airlines logo]()
$517
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 10/166:00 am
PDX
- HLN
1 stop5h 24m
Delta
Sun 10/185:45 am
HLN
- PDX
1 stop4h 31m
Delta
Deal found 6/7![Delta logo]()
$353
This Alaska Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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
- GTF
1 stop10h 32m
Alaska Airlines
Wed 9/305:19 pm
GTF
- PDX
1 stop5h 42m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$362
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 10/2110:43 am
PDX
- BTM
1 stop10h 44m
United Airlines
Sat 10/2410:00 am
BTM
- PDX
1 stop24h 40m
United Airlines
Deal found 6/4![United Airlines logo]()
$540
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 9/255:50 am
PDX
- HLN
1 stop5h 27m
Delta
Mon 9/2812:57 pm
HLN
- PDX
1 stop4h 08m
Delta
Deal found 6/8![Delta logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/72:30 pm
PDX
- MSO
Nonstop1h 31m
Alaska Airlines
Tue 7/145:41 pm
MSO
- PDX
Nonstop1h 35m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 7/45:00 am
PDX
- COD
1 stop7h 19m
United Airlines
Fri 7/101:54 pm
COD
- PDX
1 stop10h 19m
United Airlines
Deal found 6/4![United Airlines logo]()
$599
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/49:45 am
PDX
- BTM
1 stop6h 12m
Delta
Fri 7/106:10 pm
BTM
- PDX
1 stop6h 34m
Delta
Deal found 6/7![Delta logo]()
$372
This Alaska Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 8/105:00 am
PDX
- MSO
1 stop4h 42m
Alaska Airlines
Thu 8/135:41 pm
MSO
- PDX
Nonstop1h 35m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 6/267:20 pm
PDX
- MSO
1 stop4h 08m
Delta
Wed 7/16:29 pm
MSO
- PDX
1 stop5h 11m
Delta
Deal found 6/6![Delta logo]()
$373
This Alaska Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 8/188:19 am
PDX
- HLN
1 stop7h 13m
Alaska Airlines
Fri 8/215:32 pm
HLN
- PDX
1 stop5h 29m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/105:15 am
PDX
- COD
3 stops16h 28m
United Airlines
Mon 7/135:55 pm
COD
- PDX
1 stop6h 18m
United Airlines
Deal found 6/7![United Airlines logo]()
$619
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 8/107:00 pm
PDX
- MSO
1 stop4h 18m
Delta
Thu 8/135:30 am
MSO
- PDX
1 stop4h 07m
Delta
Deal found 6/8![Delta logo]()
$387
This Orbitz deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:09 am
PDX
- HLN
1 stop8h 32m
Alaska Airlines
Mon 9/145:18 pm
HLN
- PDX
1 stop5h 43m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$393
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/95:14 pm
PDX
- BIL
1 stop4h 36m
Delta
Mon 7/135:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 6/8![Delta logo]()
$393
Last-minute flights from Portland to MontanaDiscover last-minute flight deals from Portland to Montana. Data last updated June 9, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Montana. Data last updated June 9, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 6/254:25 pm
PDX
- BZN
1 stop7h 45m
Southwest
Fri 7/37:15 pm
BZN
- PDX
1 stop6h 15m
Southwest
Deal found 6/6![Southwest logo]()
$309
This Priceline deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/412:13 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Thu 7/93:43 pm
BIL
- PDX
Nonstop2h 03m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/42:30 pm
PDX
- MSO
Nonstop1h 31m
Alaska Airlines
Mon 8/105:41 pm
MSO
- PDX
Nonstop1h 35m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 7/74:05 pm
PDX
- BZN
2 stops7h 45m
Southwest
Tue 7/147:00 pm
BZN
- PDX
1 stop5h 55m
Southwest
Deal found 6/9![Southwest logo]()
$300
This Southwest deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 7/85:55 pm
PDX
- BZN
1 stop5h 55m
Southwest
Wed 7/157:00 pm
BZN
- PDX
1 stop5h 55m
Southwest
Deal found 6/4![Southwest logo]()
$247
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/1110:50 am
PDX
- BZN
2 stops10h 10m
Southwest
Fri 7/177:15 pm
BZN
- PDX
1 stop6h 20m
Southwest
Deal found 6/8![Southwest logo]()
$280
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 6/7![Southwest logo]()
$306
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 7/164:25 pm
PDX
- BZN
1 stop7h 50m
Southwest
Sun 7/196:00 am
BZN
- PDX
1 stop7h 25m
Southwest
Deal found 6/9![Southwest logo]()
$301
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/215:55 pm
PDX
- BZN
1 stop5h 55m
Southwest
Thu 7/237:15 pm
BZN
- PDX
1 stop6h 20m
Southwest
Deal found 6/5![Southwest logo]()
$261
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/234:25 pm
PDX
- BZN
1 stop7h 50m
Southwest
Sun 7/268:20 pm
BZN
- PDX
1 stop5h 45m
Southwest
Deal found 6/8![Southwest logo]()
$275
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/246:00 pm
PDX
- BZN
1 stop6h 15m
Southwest
Tue 7/287:00 pm
BZN
- PDX
1 stop5h 55m
Southwest
Deal found 6/5![Southwest logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:38 pm
PDX
- BZN
1 stop19h 15m
Multiple Airlines
Thu 8/64:51 pm
BZN
- PDX
1 stop25h 03m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$284
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 9, 2026.
Search for one-way flight options from Portland to Montana. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:00 pm
PDX
- BZN
1 stop5h 25m
Southwest
Deal found 6/8![Southwest logo]()
$108
This Priceline deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 10/205:45 pm
PDX
- BIL
1 stop5h 05m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$124
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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
Deal found 6/5![Southwest logo]()
$124
This Priceline deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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.
Mon 9/285:41 pm
PDX
- MSO
1 stop4h 15m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$129
This Southwest deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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
2 stops7h 45m
Southwest
Deal found 6/4![Southwest logo]()
$129
This Priceline deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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.
Wed 8/2610:33 am
PDX
- BZN
Nonstop1h 51m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$134
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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.
Sun 7/55:00 am
PDX
- BZN
1 stop5h 30m
Southwest
Deal found 6/8![Southwest logo]()
$138
This Southwest deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/224:05 pm
PDX
- BZN
2 stops7h 45m
Southwest
Deal found 6/6![Southwest logo]()
$143
This Priceline deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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.
Sun 9/2710:33 am
PDX
- BZN
Nonstop1h 51m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$144
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 stop5h 00m
Southwest
Deal found 6/8![Southwest logo]()
$164
This Priceline deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 8/229:30 am
PDX
- HLN
1 stop6h 25m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$167
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/214:05 pm
PDX
- BZN
2 stops7h 45m
Southwest
Deal found 6/8![Southwest logo]()
$169
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 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $207 (Alaska Airlines) |
One-way from | $108 (Southwest) |
Popular in | April |
Cheapest in | January |
Average price | $393 |
Good round-trip deal | $332 or less |
Good one-way deal | $189 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 9, 2026.
Use the filters below to find and compare flights from Portland to Montana that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Sat 8/29
10:33 am-1:24 pm
Nonstop1h 51m
Bozeman Gallatin Field
Wed 9/2
3:35 pm-4:27 pm
Nonstop1h 52m
$207
Quickest round-trip
PortlandMissoula
PDX - MSO
PDXMSO
Portland
Sat 11/7
10:48 am-1:15 pm
Nonstop1h 27m
Missoula Johnson-Bell Field
Wed 11/11
12:55 pm-1:32 pm
Nonstop1h 37m
$237
PortlandBillings
PDX - BIL
PDXBIL
Portland
Tue 10/6
5:05 pm-10:32 pm
1 stop4h 27m
Billings Logan Intl
Sun 10/11
5:45 am-9:16 am
1 stop4h 31m
$267
PortlandBillings
PDX - BIL
PDXBIL
Portland
Fri 9/11
5:05 pm-10:27 pm
1 stop4h 22m
Billings Logan Intl
Mon 9/14
5:20 am-8:41 am
1 stop4h 21m
$277
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Sat 7/11
10:50 am-10:00 pm
2 stops10h 10m
Bozeman Gallatin Field
Fri 7/17
7:15 pm-12:35 am
1 stop6h 20m
$280
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Sun 8/9
9:16 am-3:09 pm
1 stop4h 53m
Bozeman Gallatin Field
Tue 9/8
5:45 am-9:03 am
1 stop4h 18m
$282
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Sun 8/9
9:19 am-2:09 pm
1 stop3h 50m
Bozeman Gallatin Field
Tue 9/8
3:43 pm-4:35 pm
Nonstop1h 52m
$298
PortlandBillings
PDX - BIL
PDXBIL
Portland
Wed 8/19
5:41 pm-11:29 pm
1 stop4h 48m
Billings Logan Intl
Sun 8/23
6:21 pm-7:23 pm
Nonstop2h 02m
$302
PortlandBillings
PDX - BIL
PDXBIL
Portland
Sat 10/31
5:45 pm-11:50 pm
1 stop5h 05m
Billings Logan Intl
Sun 11/1
5:12 pm-9:55 pm
1 stop5h 43m
$317
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Wed 8/5
3:25 pm-10:42 pm
1 stop6h 17m
Bozeman Gallatin Field
Mon 8/10
6:00 am-8:37 am
1 stop3h 37m
$328
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-HLN
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-BIL
PDX-MSO
PDX-HLN
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 $238). 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 9, 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 51% on your trip compared to booking a flight at noon.
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 85 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 8, 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 9, 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.
Overall
7.9
Crew
8.5
Food
7.0
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Overall
7.9
Crew
8.5
Food
7.0
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Overall
7.9
Crew
8.5
Food
7.0
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Overall
7.9
Crew
8.5
Food
7.0
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Overall
7.9
Crew
8.5
Food
7.0
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
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
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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 9, 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 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$390 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$119 | Average$284 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$137 | Average$399 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$211 | Average$271 | FlexibilityNo cancel fee | On-time69% |