$119+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BZN
Sep 16 — Sep 231
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Montana with Cheapflights
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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 17, 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 17, 2026.
This Priceline deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/2310:33 am -
Nonstop1h 51m
Tue 9/293:42 pm -
Nonstop1h 52m
Deal found 8/15![Alaska Airlines logo]()
$227
This Trip.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2610:33 am -
Nonstop1h 51m
Mon 9/283:42 pm -
Nonstop1h 52m
Deal found 8/13![Alaska Airlines logo]()
$228
This Southwest deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 10/213:50 pm -
1 stop5h 15m
Wed 11/411:20 am -
1 stop7h 45m
Deal found 8/13![Southwest logo]()
$238
This Alaska Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 -
Nonstop1h 50m
Wed 11/43:32 pm -
Nonstop2h 12m
Deal found 8/11![Alaska Airlines logo]()
$247
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 8/14![United Airlines logo]()
$252
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 10/295:30 am -
2 stops9h 05m
Sat 10/318:10 am -
2 stops10h 05m
Deal found 8/12![Southwest logo]()
$253
This Priceline deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 10/2810:48 am -
Nonstop1h 38m
Sat 10/311:06 pm -
Nonstop1h 36m
Deal found 8/15![Alaska Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/265:10 pm -
1 stop4h 31m
Wed 9/3012:57 pm -
1 stop4h 08m
Deal found 8/15![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 10/215:49 pm -
1 stop3h 48m
Wed 11/48:25 am -
1 stop4h 44m
Deal found 8/13![Delta logo]()
$257
This Booking.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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.
Wed 11/1810:48 am -
Nonstop1h 34m
Sun 11/221:04 pm -
Nonstop1h 46m
Deal found 8/13![Alaska Airlines logo]()
$262
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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
Mon 9/215:20 am -
1 stop4h 21m
Deal found 8/12![Delta logo]()
$262
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/129:51 am -
1 stop4h 02m
Mon 9/218:25 am -
1 stop4h 21m
Deal found 8/12![Delta logo]()
$262
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 17, 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 17, 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 10/3110:48 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 8/13. Clicking the “Pick Dates” 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 10/291:10 pm -
2 stops8h 15m
Mon 11/26:50 am -
2 stops9h 25m
Deal found 8/13![Southwest logo]()
$284
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:10 pm -
1 stop6h 08m
Sat 10/36:17 pm -
1 stop5h 16m
Deal found 8/16![Delta logo]()
$287
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/118:40 am -
1 stop7h 36m
Fri 9/185:57 pm -
1 stop5h 56m
Deal found 8/14![United Airlines logo]()
$312
This Alaska Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 -
Nonstop1h 50m
Wed 11/411:55 am -
1 stop5h 55m
Deal found 8/11![Alaska Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 10/265:15 pm -
1 stop6h 16m
Thu 10/295:30 am -
1 stop4h 20m
Deal found 8/13![Delta logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 8/13![Alaska Airlines logo]()
$283
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 10/308:50 am -
2 stops7h 45m
Sun 11/17:55 am -
2 stops10h 00m
Deal found 8/12![Southwest logo]()
$314
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 10/314:25 pm -
1 stop5h 05m
Wed 11/45:00 am -
1 stop5h 36m
Deal found 8/12![United Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 10/315:35 am -
1 stop5h 02m
Sat 11/76:13 pm -
1 stop5h 05m
Deal found 8/13![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 11/109:00 am -
2 stops12h 30m
Sun 11/155:00 am -
1 stop5h 36m
Deal found 8/14![United Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/195:10 pm -
1 stop5h 03m
Mon 9/215:30 am -
1 stop4h 11m
Deal found 8/15![Delta logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 11/1510:35 am -
1 stop6h 43m
Wed 11/183:54 pm -
Nonstop1h 56m
Deal found 8/15![Alaska Airlines logo]()
$352
This Delta deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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
Mon 10/196:23 pm -
1 stop6h 24m
Deal found 8/15![Delta logo]()
$327
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/1112:45 pm -
1 stop7h 15m
Sun 9/135:00 am -
1 stop5h 33m
Deal found 8/13![United Airlines logo]()
$381
This Alaska Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 12/1010:30 am -
Nonstop1h 39m
Tue 1/512:43 pm -
2 stops22h 03m
Deal found 8/13![Alaska Airlines logo]()
$355
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/97:00 am -
2 stops13h 00m
Wed 9/165:57 pm -
1 stop5h 56m
Deal found 8/12![United Airlines logo]()
$392
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 10/27:00 am -
2 stops8h 58m
Sun 10/46:10 pm -
1 stop6h 30m
Deal found 8/13![Delta logo]()
$362
This Alaska Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:41 pm -
1 stop4h 20m
Tue 9/221:19 pm -
Nonstop1h 31m
Deal found 8/12![Alaska Airlines logo]()
$371
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 10/175:00 am -
1 stop7h 14m
Tue 10/205:00 am -
2 stops8h 05m
Deal found 8/16![United Airlines logo]()
$397
This Alaska Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/2610:33 am -
Nonstop1h 51m
Sat 10/37:24 am -
2 stops10h 29m
Deal found 8/12![Alaska Airlines logo]()
$371
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” 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 10/115:35 am -
1 stop4h 15m
Deal found 8/11![Delta logo]()
$373
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 8/2712:45 pm -
1 stop7h 15m
Mon 8/3110:30 am -
1 stop5h 31m
Deal found 8/13![United Airlines logo]()
$407
This Alaska Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 11/75:05 am -
1 stop6h 17m
Wed 11/112:02 pm -
2 stops7h 45m
Deal found 8/12![Alaska Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/133:21 pm -
1 stop6h 28m
Sun 9/208:25 am -
1 stop4h 21m
Deal found 8/14![Delta logo]()
$393
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:25 pm -
1 stop6h 17m
Sun 9/63:49 pm -
1 stop4h 55m
Deal found 8/16![Delta logo]()
$393
This Alaska Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 10/267:18 am -
2 stops14h 36m
Thu 10/297:03 am -
1 stop3h 44m
Deal found 8/13![Alaska Airlines logo]()
$396
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/105:00 am -
1 stop7h 50m
Thu 9/175:53 pm -
1 stop6h 00m
Deal found 8/13![United Airlines logo]()
$452
This Alaska Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 8/15![Alaska Airlines logo]()
$403
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 11/125:00 am -
1 stop7h 01m
Sun 11/152:01 pm -
1 stop20h 35m
Deal found 8/13![United Airlines logo]()
$483
Last-minute flights from Portland to MontanaDiscover last-minute flight deals from Portland to Montana. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Montana. Data last updated August 17, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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.
Fri 9/1112:39 pm -
1 stop6h 14m
Fri 9/188:33 pm -
1 stop16h 03m
Deal found 8/12![Multiple Airlines logo]()
$276
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/129:51 am -
1 stop4h 02m
Mon 9/218:25 am -
1 stop4h 21m
Deal found 8/12![Delta logo]()
$262
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/127:00 am -
1 stop7h 19m
Wed 9/234:32 pm -
1 stop7h 21m
Deal found 8/13![United Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/155:50 pm -
1 stop3h 59m
Tue 9/228:25 am -
1 stop4h 21m
Deal found 8/15![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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
Mon 9/215:20 am -
1 stop4h 21m
Deal found 8/12![Delta logo]()
$262
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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
Sun 9/205:20 am -
1 stop4h 21m
Deal found 8/14![Delta logo]()
$267
This Priceline deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/2310:33 am -
Nonstop1h 51m
Tue 9/293:42 pm -
Nonstop1h 52m
Deal found 8/15![Alaska Airlines logo]()
$227
This Trip.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2610:33 am -
Nonstop1h 51m
Mon 9/283:42 pm -
Nonstop1h 52m
Deal found 8/13![Alaska Airlines logo]()
$228
This Priceline deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/2612:08 pm -
Nonstop1h 54m
Tue 9/293:42 pm -
Nonstop2h 02m
Deal found 8/15![Alaska Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/265:10 pm -
1 stop4h 31m
Wed 9/3012:57 pm -
1 stop4h 08m
Deal found 8/15![Delta logo]()
$257
This Priceline deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/2610:33 am -
Nonstop1h 51m
Sat 9/263:42 pm -
Nonstop1h 52m
Deal found 8/15![Alaska Airlines logo]()
$282
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 9/305:41 pm -
1 stop4h 20m
Sat 10/31:06 pm -
Nonstop1h 36m
Deal found 8/16![Alaska Airlines logo]()
$267
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 17, 2026.
Search for one-way flight options from Portland to Montana. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 10/281:40 pm -
1 stop5h 00m
Deal found 8/12![Southwest logo]()
$119
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 10/248:40 am -
1 stop5h 48m
Deal found 8/16![United Airlines logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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.
Fri 9/1112:39 pm -
1 stop6h 14m
Deal found 8/14![Multiple Airlines logo]()
$126
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/114:07 pm -
1 stop5h 44m
Deal found 8/12![United Airlines logo]()
$134
This Booking.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/115:38 pm -
1 stop26h 07m
Deal found 8/12![Alaska Airlines logo]()
$141
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/269:00 am -
1 stop5h 24m
Deal found 8/13![United Airlines logo]()
$144
This Priceline deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/2310:33 am -
Nonstop1h 51m
Deal found 8/15![Alaska Airlines logo]()
$144
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 8/13![Delta logo]()
$149
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.
Sun 10/45:00 am -
1 stop7h 31m
Deal found 8/16![United Airlines logo]()
$154
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.
Sat 10/2410:48 am -
Nonstop1h 38m
Deal found 8/16![Alaska Airlines logo]()
$159
This Delta deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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
Deal found 8/15![Delta logo]()
$159
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/125:10 pm -
1 stop4h 44m
Deal found 8/14![Delta 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 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $227 (Priceline) |
One-way from | $119 (Southwest) |
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 2,558,603 searches. Data last updated August 17, 2026.
Use the filters below to find and compare flights from Portland to Montana that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
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
PortlandBillings
PDX Portland - BIL Billings Logan Intl
PDXBIL
Portland
Sat 10/31
12:14 pm-3:04 pm
Nonstop1h 50m
Billings Logan Intl
Wed 11/4
11:55 am-4:50 pm
1 stop5h 55m
$257
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
$283
PortlandBozeman
PDX Portland - BZN Bozeman Gallatin Field
PDXBZN
Portland
Thu 10/29
1:10 pm-10:25 pm
2 stops8h 15m
Bozeman Gallatin Field
Mon 11/2
6:50 am-3:15 pm
2 stops9h 25m
$284
PortlandMissoula
PDX Portland - MSO Missoula Johnson-Bell Field
PDXMSO
Portland
Wed 9/30
5:10 pm-12:18 am
1 stop6h 08m
Missoula Johnson-Bell Field
Sat 10/3
6:17 pm-10:33 pm
1 stop5h 16m
$287
PortlandMissoula
PDX Portland - MSO Missoula Johnson-Bell Field
PDXMSO
Portland
Mon 10/26
5:15 pm-12:31 am
1 stop6h 16m
Missoula Johnson-Bell Field
Thu 10/29
5:30 am-8:50 am
1 stop4h 20m
$297
PortlandBillings
PDX Portland - BIL Billings Logan Intl
PDXBIL
Portland
Fri 9/11
8:40 am-5:16 pm
1 stop7h 36m
Billings Logan Intl
Fri 9/18
5:57 pm-10:53 pm
1 stop5h 56m
$312
PortlandBozeman
PDX Portland - BZN Bozeman Gallatin Field
PDXBZN
Portland
Fri 10/30
8:50 am-5:35 pm
2 stops7h 45m
Bozeman Gallatin Field
Sun 11/1
7:55 am-4:55 pm
2 stops10h 00m
$314
PortlandKalispell
PDX Portland - FCA Kalispell Glacier Park
PDXFCA
Portland
Sat 10/31
5:35 am-11:37 am
1 stop5h 02m
Kalispell Glacier Park
Sat 11/7
6:13 pm-10:18 pm
1 stop5h 05m
$317
PortlandMissoula
PDX Portland - MSO Missoula Johnson-Bell Field
PDXMSO
Portland
Sat 9/19
5:10 pm-11:13 pm
1 stop5h 03m
Missoula Johnson-Bell Field
Mon 9/21
5:30 am-8:41 am
1 stop4h 11m
$322
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-FCA
PDX-BIL
PDX-MSO
PDX-GTF
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Portland to Montana
PDX-USMT
PDX-BZN
PDX-FCA
PDX-BIL
PDX-MSO
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 17, 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 below average for this route at the moment.
Portland to Montana flights typically cost between $249 and $381 in September.The cheapest round-trip price found within the last 5 days was $227 on Alaska Airlines (Sep 23-Sep 26).
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 17, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andHawaiian Airlines from Portland to Montana by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Entertainment
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Entertainment
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Entertainment
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Entertainment
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
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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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 17, 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 August 17, 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% |