$124+ 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BZN
Sep 26 — Oct 31
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Montana with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Portland to MontanaExplore the most affordable flight options available from Portland to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 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 August 27, 2026.
This Priceline deal was found by Cheapflights users on 8/25. 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 11/710:31 am -
Nonstop1h 39m
Sat 11/143:54 pm -
Nonstop1h 56m
Deal found 8/25![Alaska Airlines logo]()
$227
This Priceline deal was found by Cheapflights users on 8/22. 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.
Tue 12/110:30 am -
Nonstop1h 53m
Tue 12/83:44 pm -
Nonstop2h 06m
Deal found 8/22![Alaska Airlines logo]()
$247
This United Airlines deal was found by Cheapflights users on 8/25. 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 10/217:00 am -
1 stop7h 14m
Sat 10/246:30 am -
1 stop7h 45m
Deal found 8/25![United Airlines logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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.
Thu 11/512:03 pm -
Nonstop1h 49m
Sat 11/73:32 pm -
Nonstop2h 12m
Deal found 8/24![Alaska Airlines logo]()
$252
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Thu 10/297:10 am -
1 stop7h 06m
Tue 11/34:13 pm -
1 stop7h 33m
Deal found 8/26![United Airlines logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 12/511:10 am -
Nonstop1h 26m
Wed 12/91:15 pm -
Nonstop1h 35m
Deal found 8/24![Alaska Airlines logo]()
$257
This United Airlines deal was found by Cheapflights users on 8/24. 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 11/141:15 pm -
1 stop6h 59m
Tue 11/175:00 am -
1 stop5h 36m
Deal found 8/24![United Airlines logo]()
$257
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Thu 10/299:00 am -
1 stop5h 16m
Mon 11/22:37 pm -
1 stop7h 36m
Deal found 8/26![United Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 8/25. 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 10/65:15 pm -
1 stop4h 10m
Sun 10/115:20 am -
1 stop4h 30m
Deal found 8/25![Delta logo]()
$262
This Delta deal was found by Cheapflights users on 8/25. 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 10/295:49 pm -
1 stop3h 48m
Tue 11/33:34 pm -
1 stop5h 26m
Deal found 8/25![Delta logo]()
$262
This Southwest deal was found by Cheapflights users on 8/26. 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.
Wed 10/216:00 am -
2 stops12h 40m
Sat 10/2411:25 am -
2 stops8h 10m
Deal found 8/26![Southwest logo]()
$263
This Booking.com deal was found by Cheapflights users on 8/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:43 pm -
1 stop4h 00m
Sun 11/83:32 pm -
Nonstop2h 12m
Deal found 8/26![Alaska Airlines 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 August 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 August 27, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 11/512:03 pm -
Nonstop1h 49m
Sat 11/73:32 pm -
Nonstop2h 12m
Deal found 8/25![Alaska Airlines logo]()
$252
This United Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:00 am -
1 stop5h 16m
Fri 11/132:37 pm -
1 stop7h 36m
Deal found 8/21![United Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 8/26. 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 -
1 stop4h 24m
Sun 10/115:20 am -
1 stop4h 30m
Deal found 8/26![Delta logo]()
$262
This Southwest deal was found by Cheapflights users on 8/22. 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 9/121:30 pm -
1 stop5h 40m
Tue 9/156:55 am -
2 stops9h 30m
Deal found 8/22![Southwest logo]()
$355
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 12/511:10 am -
Nonstop1h 26m
Wed 12/91:15 pm -
Nonstop1h 35m
Deal found 8/25![Alaska Airlines logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 8/23. 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 10/312:14 pm -
Nonstop1h 50m
Mon 10/53:44 pm -
Nonstop2h 06m
Deal found 8/23![Alaska Airlines logo]()
$267
This United Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:40 am -
1 stop5h 48m
Sat 10/34:30 pm -
1 stop5h 40m
Deal found 8/21![United Airlines logo]()
$308
This Delta deal was found by Cheapflights users on 8/23. 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 9/165:40 am -
1 stop5h 57m
Tue 9/225:30 am -
1 stop4h 11m
Deal found 8/23![Delta logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 10/1710:49 am -
Nonstop1h 34m
Tue 10/207:45 pm -
1 stop4h 17m
Deal found 8/25![Alaska Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 8/21. 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 10/165:15 pm -
1 stop6h 16m
Sun 10/185:30 am -
1 stop4h 20m
Deal found 8/21![Delta logo]()
$333
This Southwest deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/261:30 pm -
1 stop5h 40m
Sat 10/39:40 am -
2 stops8h 40m
Deal found 8/21![Southwest logo]()
$376
This United Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/54:25 pm -
1 stop5h 05m
Sat 11/75:00 am -
1 stop5h 36m
Deal found 8/21![United Airlines logo]()
$342
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 9/2310:33 am -
1 stop9h 12m
Wed 9/303:42 pm -
Nonstop1h 52m
Deal found 8/25![Alaska Airlines logo]()
$305
This Delta deal was found by Cheapflights users on 8/25. 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.
Sat 10/179:55 am -
1 stop6h 38m
Sun 10/185:30 am -
1 stop4h 20m
Deal found 8/25![Delta logo]()
$357
This Delta deal was found by Cheapflights users on 8/25. 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 10/97:10 pm -
1 stop4h 21m
Sat 10/106:23 pm -
1 stop4h 55m
Deal found 8/25![Delta logo]()
$358
This Alaska Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/611:53 am -
1 stop20h 46m
Fri 11/133:54 pm -
Nonstop1h 56m
Deal found 8/21![Alaska Airlines logo]()
$330
This United Airlines deal was found by Cheapflights users on 8/24. 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 1/265:15 am -
1 stop6h 38m
Sat 1/308:40 am -
1 stop5h 35m
Deal found 8/24![United Airlines logo]()
$403
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 10/1510:49 am -
Nonstop1h 34m
Tue 10/207:45 pm -
1 stop4h 17m
Deal found 8/25![Alaska Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 8/24. 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.
Thu 9/177:15 pm -
1 stop4h 03m
Mon 9/215:30 am -
1 stop4h 11m
Deal found 8/24![Delta logo]()
$378
This United Airlines deal was found by Cheapflights users on 8/25. 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 10/212:45 pm -
1 stop8h 16m
Sat 10/35:00 am -
1 stop5h 36m
Deal found 8/25![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 8/25. 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 9/185:40 am -
1 stop5h 57m
Sun 9/205:30 am -
1 stop4h 11m
Deal found 8/25![Delta logo]()
$378
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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.
Sun 11/155:05 am -
1 stop3h 34m
Wed 11/183:54 pm -
Nonstop1h 56m
Deal found 8/25![Alaska Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 8/24. 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.
Thu 9/175:10 pm -
1 stop6h 08m
Sun 9/205:30 am -
1 stop4h 11m
Deal found 8/24![Delta logo]()
$378
This Alaska Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:03 am -
2 stops14h 58m
Sat 9/261:19 pm -
Nonstop1h 31m
Deal found 8/21![Alaska Airlines logo]()
$380
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 10/3010:30 am -
Nonstop1h 45m
Sun 11/12:54 pm -
1 stop16h 16m
Deal found 8/24![Alaska Airlines logo]()
$386
This Delta deal was found by Cheapflights users on 8/25. 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 9/225:10 pm -
1 stop4h 44m
Tue 9/295:30 am -
1 stop4h 11m
Deal found 8/25![Delta logo]()
$433
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 10/1610:49 am -
Nonstop1h 34m
Mon 10/197:45 pm -
2 stops16h 07m
Deal found 8/25![Alaska Airlines logo]()
$392
This Delta deal was found by Cheapflights users on 8/24. 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.
Mon 9/285:10 pm -
1 stop4h 14m
Tue 9/2912:57 pm -
1 stop4h 08m
Deal found 8/24![Delta logo]()
$445
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Thu 12/31:15 pm -
1 stop28h 17m
Sun 12/69:30 am -
1 stop25h 10m
Deal found 8/26![United Airlines logo]()
$670
This Alaska Airlines deal was found by Cheapflights users on 8/23. 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 12/125:00 am -
1 stop9h 31m
Tue 12/154:08 pm -
1 stop9h 02m
Deal found 8/23![Alaska Airlines logo]()
$403
Last-minute flights from Portland to MontanaDiscover last-minute flight deals from Portland to Montana. Data last updated August 27, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Montana. Data last updated August 27, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 9/197:55 am -
1 stop11h 50m
Wed 9/303:42 pm -
Nonstop1h 52m
Deal found 8/24![Alaska Airlines logo]()
$305
This Delta deal was found by Cheapflights users on 8/22. 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 9/225:10 pm -
1 stop4h 24m
Tue 9/295:20 am -
1 stop4h 21m
Deal found 8/22![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 8/23. 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.
Tue 9/225:10 pm -
1 stop6h 08m
Tue 9/295:30 am -
1 stop4h 11m
Deal found 8/23![Delta logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 9/229:13 am -
1 stop10h 32m
Wed 9/309:20 am -
1 stop14h 25m
Deal found 8/24![Alaska Airlines logo]()
$293
This Southwest deal was found by Cheapflights users on 8/25. 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 9/224:00 pm -
1 stop5h 30m
Tue 9/296:55 am -
2 stops9h 30m
Deal found 8/25![Southwest logo]()
$296
This Delta deal was found by Cheapflights users on 8/24. 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.
Wed 9/235:50 pm -
1 stop3h 59m
Thu 10/13:38 pm -
1 stop5h 24m
Deal found 8/24![Delta logo]()
$262
This Delta deal was found by Cheapflights users on 8/23. 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.
Thu 9/245:10 pm -
1 stop4h 24m
Mon 9/285:20 am -
1 stop4h 21m
Deal found 8/23![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 8/24. 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.
Thu 9/245:10 pm -
1 stop6h 08m
Wed 9/305:30 am -
1 stop4h 11m
Deal found 8/24![Delta logo]()
$292
This United Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:40 am -
1 stop5h 48m
Sat 10/34:30 pm -
1 stop5h 40m
Deal found 8/21![United Airlines logo]()
$308
This Delta deal was found by Cheapflights users on 8/25. 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.
Mon 9/285:10 pm -
1 stop4h 24m
Sat 10/35:20 am -
1 stop4h 21m
Deal found 8/25![Delta logo]()
$262
This Delta deal was found by Cheapflights users on 8/25. 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 9/293:21 pm -
1 stop6h 28m
Tue 10/138:25 am -
1 stop4h 24m
Deal found 8/25![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 8/25. 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 9/295:50 am -
2 stops7h 50m
Tue 10/136:30 am -
1 stop6h 05m
Deal found 8/25![Southwest logo]()
$313
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 August 27, 2026.
Search for one-way flight options from Portland to Montana. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Sat 10/106:44 am -
1 stop7h 30m
Deal found 8/26![United Airlines logo]()
$124
This United Airlines deal was found by Cheapflights users on 8/25. 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.
Mon 10/265:00 am -
1 stop7h 30m
Deal found 8/25![United Airlines logo]()
$129
This Delta deal was found by Cheapflights users on 8/23. 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 10/25:10 pm -
1 stop4h 24m
Deal found 8/23![Delta logo]()
$134
This Southwest deal was found by Cheapflights users on 8/26. 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.
Thu 10/298:50 am -
2 stops7h 45m
Deal found 8/26![Southwest logo]()
$134
This Southwest deal was found by Cheapflights users on 8/26. 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.
Wed 10/286:00 am -
2 stops12h 40m
Deal found 8/26![Southwest logo]()
$135
This Priceline deal was found by Cheapflights users on 8/25. 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.
Fri 11/65:05 am -
1 stop5h 10m
Deal found 8/25![Alaska Airlines logo]()
$139
This Delta deal was found by Cheapflights users on 8/25. 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 10/167:10 pm -
1 stop4h 21m
Deal found 8/25![Delta logo]()
$149
This Southwest deal was found by Cheapflights users on 8/25. 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.
Mon 10/266:00 am -
2 stops8h 35m
Deal found 8/25![Southwest logo]()
$151
This Booking.com deal was found by Cheapflights users on 8/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:38 pm -
1 stop26h 07m
Deal found 8/25![Alaska Airlines logo]()
$154
This Booking.com deal was found by Cheapflights users on 8/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:33 am -
1 stop9h 12m
Deal found 8/24![Alaska Airlines logo]()
$162
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Mon 9/215:00 am -
1 stop7h 24m
Deal found 8/24![United Airlines logo]()
$165
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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.
Mon 9/145:38 pm -
1 stop26h 07m
Deal found 8/24![Alaska Airlines logo]()
$167
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 August 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $227 (Priceline) |
One-way from | $124 (United Airlines) |
Popular in | July |
Cheapest in | January |
Average price | $299 |
Good round-trip deal | $307 or less |
Good one-way deal | $230 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 7,457,451 searches. Data last updated August 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
PortlandBillings
PDX Portland - BIL Billings Logan Intl
PDXBIL
Portland
Thu 11/5
12:03 pm-2:52 pm
Nonstop1h 49m
Billings Logan Intl
Sat 11/7
3:32 pm-4:44 pm
Nonstop2h 12m
$252
PortlandBozeman
PDX Portland - BZN Bozeman Gallatin Field
PDXBZN
Portland
Fri 11/6
9:00 am-3:16 pm
1 stop5h 16m
Bozeman Gallatin Field
Fri 11/13
2:37 pm-9:13 pm
1 stop7h 36m
$257
Quickest round-trip
PortlandMissoula
PDX Portland - MSO Missoula Johnson-Bell Field
PDXMSO
Portland
Sat 12/5
11:10 am-1:36 pm
Nonstop1h 26m
Missoula Johnson-Bell Field
Wed 12/9
1:15 pm-1:50 pm
Nonstop1h 35m
$257
PortlandBillings
PDX Portland - BIL Billings Logan Intl
PDXBIL
Portland
Wed 9/30
5:10 pm-10:34 pm
1 stop4h 24m
Billings Logan Intl
Sun 10/11
5:20 am-8:50 am
1 stop4h 30m
$262
PortlandBillings
PDX Portland - BIL Billings Logan Intl
PDXBIL
Portland
Sat 10/3
12:14 pm-3:04 pm
Nonstop1h 50m
Billings Logan Intl
Mon 10/5
3:44 pm-4:50 pm
Nonstop2h 06m
$267
PortlandKalispell
PDX Portland - FCA Kalispell Glacier Park
PDXFCA
Portland
Sat 10/17
10:49 am-1:23 pm
Nonstop1h 34m
Kalispell Glacier Park
Tue 10/20
7:45 pm-11:02 pm
1 stop4h 17m
$297
PortlandBozeman
PDX Portland - BZN Bozeman Gallatin Field
PDXBZN
Portland
Wed 9/23
10:33 am-8:45 pm
1 stop9h 12m
Bozeman Gallatin Field
Wed 9/30
3:42 pm-4:34 pm
Nonstop1h 52m
$305
PortlandBozeman
PDX Portland - BZN Bozeman Gallatin Field
PDXBZN
Portland
Sat 9/26
8:40 am-3:28 pm
1 stop5h 48m
Bozeman Gallatin Field
Sat 10/3
4:30 pm-9:10 pm
1 stop5h 40m
$308
PortlandBozeman
PDX Portland - BZN Bozeman Gallatin Field
PDXBZN
Portland
Fri 11/6
11:53 am-9:39 am
1 stop20h 46m
Bozeman Gallatin Field
Fri 11/13
3:54 pm-4:50 pm
Nonstop1h 56m
$330
PortlandMissoula
PDX Portland - MSO Missoula Johnson-Bell Field
PDXMSO
Portland
Wed 9/16
5:40 am-12:37 pm
1 stop5h 57m
Missoula Johnson-Bell Field
Tue 9/22
5:30 am-8:41 am
1 stop4h 11m
$332
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-COD
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 $540). 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 August 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.
How much does it cost to fly round-trip from Portland to Montana?
Airfare is typical for this route at the moment.
Portland to Montana flights typically cost between $207 and $395 in November.The cheapest round-trip price found within the last 5 days was $227 on Alaska Airlines (Nov 7-Nov 14).
How far ahead should I book a flight from Portland to Montana?
The best time to book flights from Portland to Montana is 52 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 August 22, 2026.
Travelers seeking maximum savings on their Portland to Montana flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday evenings 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 August 27, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andUnited 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
Entertainment
7.0
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.0
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.0
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.0
Overall
7.9
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
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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 August 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 3 airlines flying from Portland to Montana
Discover the top 3 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 7,457,451 searches. Data last updated August 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$344 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$137 | Average$394 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$211 | Average$271 | FlexibilityNo cancel fee | On-time69% |