$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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BZN
Sep 20 — Sep 271
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 21, 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 21, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 10/3110:30 am -
Nonstop1h 45m
Wed 11/43:54 pm -
Nonstop1h 56m
Deal found 8/16![Alaska Airlines logo]()
$227
This Priceline deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 10/1412:14 pm -
Nonstop1h 50m
Tue 10/273:44 pm -
Nonstop2h 06m
Deal found 8/16![Alaska Airlines logo]()
$247
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 10/149:00 am -
1 stop5h 14m
Tue 10/202:37 pm -
1 stop7h 33m
Deal found 8/19![United Airlines logo]()
$247
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 10/215:00 am -
1 stop7h 31m
Mon 10/264:32 pm -
1 stop5h 41m
Deal found 8/17![United Airlines logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 8/18![Alaska Airlines logo]()
$257
This United Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 10/1412:45 pm -
1 stop7h 25m
Tue 10/272:42 pm -
1 stop7h 31m
Deal found 8/16![United Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 11/65:10 am -
2 stops9h 15m
Tue 11/1011:20 am -
1 stop7h 45m
Deal found 8/18![Southwest logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 11/55:43 pm -
1 stop4h 00m
Sat 11/73:32 pm -
Nonstop2h 12m
Deal found 8/20![Alaska Airlines logo]()
$262
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 9/3012:45 pm -
1 stop7h 19m
Wed 10/74:30 pm -
1 stop5h 40m
Deal found 8/20![United Airlines logo]()
$266
This Priceline deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/305:41 pm -
1 stop4h 20m
Sat 10/31:06 pm -
Nonstop1h 36m
Deal found 8/19![Alaska Airlines logo]()
$267
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 9/185:10 pm -
1 stop4h 24m
Mon 9/215:20 am -
1 stop4h 21m
Deal found 8/17![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 10/165:49 pm -
1 stop3h 48m
Mon 10/198:25 am -
1 stop4h 24m
Deal found 8/18![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 August 21, 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 21, 2026.
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 10/215:00 am -
1 stop7h 31m
Fri 10/234:22 pm -
1 stop7h 35m
Deal found 8/18![United Airlines logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 10/3110:48 am -
Nonstop1h 38m
Wed 11/41:02 pm -
Nonstop1h 43m
Deal found 8/16![Alaska Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 11/65:10 am -
2 stops9h 15m
Tue 11/1011:20 am -
1 stop7h 45m
Deal found 8/18![Southwest logo]()
$257
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 11/115:22 pm -
1 stop4h 00m
Sun 11/155:45 am -
1 stop4h 13m
Deal found 8/17![Delta logo]()
$262
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 12/77:00 am -
1 stop6h 45m
Tue 12/153:25 pm -
1 stop4h 28m
Deal found 8/19![Delta logo]()
$262
This Southwest deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 11/65:10 am -
2 stops9h 15m
Mon 11/97:55 am -
2 stops10h 00m
Deal found 8/18![Southwest logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 11/55:05 am -
1 stop5h 10m
Sat 11/77:18 am -
1 stop4h 52m
Deal found 8/20![Alaska Airlines logo]()
$272
This Alaska Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 12/810:30 am -
Nonstop1h 39m
Wed 12/94:00 pm -
Nonstop1h 50m
Deal found 8/18![Alaska Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 10/165:33 am -
1 stop6h 01m
Sun 10/185:30 am -
1 stop4h 20m
Deal found 8/19![Delta logo]()
$297
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 12/85:00 am -
1 stop7h 23m
Wed 12/92:33 pm -
1 stop7h 42m
Deal found 8/20![United Airlines logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 10/3110:30 am -
Nonstop1h 45m
Wed 11/43:54 pm -
Nonstop1h 56m
Deal found 8/17![Alaska Airlines logo]()
$293
This Southwest deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 11/65:10 am -
2 stops9h 15m
Fri 11/137:55 am -
2 stops10h 00m
Deal found 8/20![Southwest logo]()
$323
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 9/109:46 am -
1 stop7h 07m
Wed 9/165:20 am -
1 stop4h 21m
Deal found 8/17![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 8/19![United Airlines logo]()
$342
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 37m
Wed 9/235:20 am -
1 stop4h 21m
Deal found 8/19![Delta logo]()
$317
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.
Wed 12/305:00 am -
1 stop7h 39m
Mon 1/46:18 pm -
1 stop5h 41m
Deal found 8/21![United Airlines logo]()
$349
This Alaska Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 11/69:59 pm -
1 stop10h 40m
Fri 11/133:54 pm -
Nonstop1h 56m
Deal found 8/20![Alaska Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 10/35:40 am -
1 stop5h 07m
Sat 10/36:00 pm -
1 stop5h 33m
Deal found 8/20![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/412:45 pm -
1 stop7h 15m
Sun 9/67:00 am -
1 stop7h 14m
Deal found 8/16![United Airlines logo]()
$382
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.
Wed 9/307:09 am -
1 stop14h 52m
Sat 10/31:06 pm -
Nonstop1h 36m
Deal found 8/21![Alaska Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:47 pm -
1 stop3h 48m
Wed 11/183:25 pm -
1 stop4h 28m
Deal found 8/18![Delta logo]()
$322
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 8/19![Delta logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 12/510:30 am -
2 stops12h 29m
Wed 12/94:15 pm -
Nonstop1h 35m
Deal found 8/19![Alaska Airlines logo]()
$366
This Alaska Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 9/1512:08 pm -
Nonstop1h 54m
Sat 9/196:14 am -
1 stop6h 22m
Deal found 8/17![Alaska Airlines logo]()
$367
This United Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 11/124:25 pm -
1 stop4h 49m
Sun 11/155:00 am -
1 stop5h 36m
Deal found 8/16![United Airlines logo]()
$494
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/115:10 pm -
1 stop6h 08m
Mon 9/145:30 am -
1 stop4h 11m
Deal found 8/18![Delta logo]()
$378
This Alaska Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 stop6h 33m
Deal found 8/18![Alaska Airlines logo]()
$386
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 stop6h 16m
Thu 10/85:30 am -
1 stop4h 20m
Deal found 8/18![Delta logo]()
$393
This Alaska Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:18 pm -
1 stop3h 17m
Sat 10/245:15 pm -
1 stop6h 47m
Deal found 8/16![Alaska Airlines logo]()
$403
This United Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 10/319:00 am -
1 stop12h 43m
Wed 11/410:15 am -
1 stop13h 54m
Deal found 8/16![United Airlines logo]()
$590
Last-minute flights from Portland to MontanaDiscover last-minute flight deals from Portland to Montana. Data last updated August 21, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Montana. Data last updated August 21, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/177:00 am -
1 stop6h 53m
Thu 9/243:38 pm -
1 stop5h 24m
Deal found 8/18![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 9/185:10 pm -
1 stop4h 24m
Mon 9/215:20 am -
1 stop4h 21m
Deal found 8/17![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 9/199:46 am -
1 stop7h 07m
Sat 9/265:20 am -
1 stop4h 21m
Deal found 8/17![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/195:50 pm -
1 stop3h 59m
Wed 9/233:38 pm -
1 stop5h 24m
Deal found 8/18![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/195:00 am -
1 stop7h 21m
Tue 9/225:00 am -
1 stop5h 32m
Deal found 8/19![United Airlines logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/199:13 am -
1 stop10h 32m
Wed 9/233:42 pm -
Nonstop1h 52m
Deal found 8/18![Alaska Airlines logo]()
$295
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/205:49 pm -
1 stop4h 00m
Sat 9/268:25 am -
1 stop4h 21m
Deal found 8/19![Delta logo]()
$262
This Priceline deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/2210:33 am -
Nonstop1h 51m
Sat 9/263:42 pm -
Nonstop1h 52m
Deal found 8/19![Alaska Airlines logo]()
$293
This Booking.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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.
Sat 9/2610:33 am -
Nonstop1h 51m
Mon 9/283:42 pm -
Nonstop1h 52m
Deal found 8/18![Alaska Airlines logo]()
$283
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 9/3012:45 pm -
1 stop7h 19m
Wed 10/74:30 pm -
1 stop5h 40m
Deal found 8/20![United Airlines logo]()
$266
This Priceline deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” 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 9/305:41 pm -
1 stop4h 20m
Sat 10/31:06 pm -
Nonstop1h 36m
Deal found 8/19![Alaska Airlines logo]()
$267
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/305:40 am -
1 stop5h 57m
Sat 10/36:17 pm -
1 stop5h 16m
Deal found 8/18![Delta logo]()
$287
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 21, 2026.
Search for one-way flight options from Portland to Montana. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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
Deal found 8/18![United Airlines logo]()
$124
This Southwest deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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
Deal found 8/18![Southwest logo]()
$129
This Southwest deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 8/17![Southwest logo]()
$134
This Alaska Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 9/305:41 pm -
1 stop4h 20m
Deal found 8/20![Alaska Airlines logo]()
$139
This KAYAK deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:10 pm -
1 stop4h 24m
Deal found 8/18![Delta logo]()
$143
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 9/199:46 am -
1 stop6h 51m
Deal found 8/20![Delta logo]()
$144
This Priceline deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/2910:33 am -
Nonstop1h 51m
Deal found 8/18![Alaska Airlines logo]()
$144
This KAYAK deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:10 pm -
1 stop4h 24m
Deal found 8/18![Delta logo]()
$147
This Southwest deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 10/305:10 am -
1 stop9h 25m
Deal found 8/17![Southwest logo]()
$148
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 8/18![Delta logo]()
$149
This Priceline deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/195:41 pm -
1 stop4h 15m
Deal found 8/18![Alaska Airlines logo]()
$154
This Priceline deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” 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 9/1910:48 am -
Nonstop1h 37m
Deal found 8/20![Alaska Airlines logo]()
$159
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 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $227 (Alaska Airlines) |
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 | $308 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 21, 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 Portland - BZN Bozeman Gallatin Field
PDXBZN
Portland
Wed 10/21
5:00 am-1:31 pm
1 stop7h 31m
Bozeman Gallatin Field
Fri 10/23
4:22 pm-10:57 pm
1 stop7h 35m
$252
Quickest round-trip
PortlandMissoula
PDX Portland - MSO Missoula Johnson-Bell Field
PDXMSO
Portland
Sat 10/31
10:48 am-1:26 pm
Nonstop1h 38m
Missoula Johnson-Bell Field
Wed 11/4
1:02 pm-1:45 pm
Nonstop1h 43m
$257
PortlandBozeman
PDX Portland - BZN Bozeman Gallatin Field
PDXBZN
Portland
Fri 11/6
5:10 am-3:25 pm
2 stops9h 15m
Bozeman Gallatin Field
Tue 11/10
11:20 am-6:05 pm
1 stop7h 45m
$257
PortlandBillings
PDX Portland - BIL Billings Logan Intl
PDXBIL
Portland
Wed 11/11
5:22 pm-10:22 pm
1 stop4h 00m
Billings Logan Intl
Sun 11/15
5:45 am-8:58 am
1 stop4h 13m
$262
PortlandBozeman
PDX Portland - BZN Bozeman Gallatin Field
PDXBZN
Portland
Mon 12/7
7:00 am-2:45 pm
1 stop6h 45m
Bozeman Gallatin Field
Tue 12/15
3:25 pm-6:53 pm
1 stop4h 28m
$262
PortlandBozeman
PDX Portland - BZN Bozeman Gallatin Field
PDXBZN
Portland
Fri 11/6
5:10 am-3:25 pm
2 stops9h 15m
Bozeman Gallatin Field
Mon 11/9
7:55 am-4:55 pm
2 stops10h 00m
$267
PortlandBillings
PDX Portland - BIL Billings Logan Intl
PDXBIL
Portland
Thu 11/5
5:05 am-11:15 am
1 stop5h 10m
Billings Logan Intl
Sat 11/7
7:18 am-11:10 am
1 stop4h 52m
$272
PortlandBozeman
PDX Portland - BZN Bozeman Gallatin Field
PDXBZN
Portland
Tue 12/8
10:30 am-1:09 pm
Nonstop1h 39m
Bozeman Gallatin Field
Wed 12/9
4:00 pm-4:50 pm
Nonstop1h 50m
$287
PortlandBozeman
PDX Portland - BZN Bozeman Gallatin Field
PDXBZN
Portland
Sat 10/31
10:30 am-1:15 pm
Nonstop1h 45m
Bozeman Gallatin Field
Wed 11/4
3:54 pm-4:50 pm
Nonstop1h 56m
$293
PortlandMissoula
PDX Portland - MSO Missoula Johnson-Bell Field
PDXMSO
Portland
Fri 10/16
5:33 am-12:34 pm
1 stop6h 01m
Missoula Johnson-Bell Field
Sun 10/18
5:30 am-8:50 am
1 stop4h 20m
$297
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-BIL
PDX-BZN
PDX-MSO
PDX-FCA
PDX-GTF
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Portland to Montana
PDX-USMT
PDX-BIL
PDX-BZN
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 21, 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 $208 and $374 in October.The cheapest round-trip price found within the last 5 days was $227 on Alaska Airlines (Oct 31-Nov 4).
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 15, 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 21, 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
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Comfort
7.8
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Comfort
7.8
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Comfort
7.8
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Comfort
7.8
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
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 21, 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 7,457,451 searches. Data last updated August 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$384 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$123 | Average$217 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$137 | Average$391 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$211 | Average$271 | FlexibilityNo cancel fee | On-time69% |