$129+ Cheap flights from Portland (PDX) to Montana
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BZN
Oct 18 — Oct 251
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Montana with Cheapflights
1. Tell us where you want to go
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 September 18, 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 September 18, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 10/2710:30 am -
Nonstop1h 45m
Tue 11/33:54 pm -
Nonstop1h 56m
Deal found 9/15![Alaska Airlines logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 10/2710:30 am -
Nonstop1h 45m
Wed 11/43:54 pm -
Nonstop1h 56m
Deal found 9/15![Alaska Airlines logo]()
$252
This Trip.com deal was found by Cheapflights users on 9/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:31 am -
Nonstop1h 39m
Mon 11/92:54 pm -
1 stop6h 33m
Deal found 9/16![Alaska Airlines logo]()
$253
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 12/510:46 am -
Nonstop1h 37m
Wed 12/91:03 pm -
Nonstop1h 47m
Deal found 9/15![Alaska Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 9/17. 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.
Sat 11/71:10 pm -
1 stop7h 25m
Sat 11/142:15 pm -
1 stop8h 15m
Deal found 9/17![Southwest logo]()
$258
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 10/275:06 am -
1 stop3h 34m
Thu 11/53:54 pm -
Nonstop1h 56m
Deal found 9/15![Alaska Airlines logo]()
$262
This Priceline deal was found by Cheapflights users on 9/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:48 am -
Nonstop1h 34m
Tue 11/104:21 pm -
1 stop6h 34m
Deal found 9/14![Alaska Airlines logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 10/258:09 am -
1 stop5h 06m
Thu 11/53:54 pm -
Nonstop1h 56m
Deal found 9/15![Alaska Airlines logo]()
$267
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/31:50 pm -
1 stop7h 40m
Tue 12/811:20 am -
1 stop7h 45m
Deal found 9/16![Southwest logo]()
$268
This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:45 pm -
1 stop5h 05m
Wed 10/213:44 pm -
Nonstop2h 06m
Deal found 9/14![Alaska Airlines logo]()
$269
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 10/275:06 am -
1 stop3h 34m
Mon 11/26:59 pm -
1 stop3h 56m
Deal found 9/15![Alaska Airlines logo]()
$272
This Priceline deal was found by Cheapflights users on 9/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:03 pm -
Nonstop1h 49m
Sat 11/75:12 pm -
1 stop6h 48m
Deal found 9/17![Alaska Airlines logo]()
$277
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 September 18, 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 September 18, 2026.
This Southwest deal was found by Cheapflights users on 9/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/111:05 pm -
2 stops7h 30m
Sat 11/147:30 am -
2 stops8h 10m
Deal found 9/14![Southwest logo]()
$269
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 10/275:06 am -
1 stop3h 34m
Thu 11/52:54 pm -
1 stop6h 33m
Deal found 9/15![Alaska Airlines logo]()
$272
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/269:00 am -
1 stop5h 12m
Fri 10/304:13 pm -
1 stop7h 33m
Deal found 9/15![United Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 9/17. 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.
Tue 11/35:33 am -
1 stop5h 45m
Sun 11/86:29 pm -
1 stop6h 18m
Deal found 9/17![Delta logo]()
$302
This Alaska Airlines deal was found by Cheapflights users on 9/12. 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.
Thu 11/55:05 am -
1 stop5h 10m
Sat 11/73:32 pm -
Nonstop2h 12m
Deal found 9/12![Alaska Airlines logo]()
$282
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 10/145:00 am -
1 stop7h 14m
Wed 10/212:28 pm -
1 stop7h 42m
Deal found 9/13![United Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 9/14. 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 11/19:55 am -
1 stop6h 54m
Fri 11/65:20 am -
1 stop4h 30m
Deal found 9/14![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 9/14. 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 11/65:00 am -
1 stop7h 30m
Mon 11/94:13 pm -
1 stop5h 49m
Deal found 9/14![United Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 9/14. 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 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 11/94:05 pm -
1 stop7h 40m
Deal found 9/14![Southwest logo]()
$332
This Delta deal was found by Cheapflights users on 9/13. 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 10/303:31 pm -
1 stop6h 06m
Sun 11/13:38 pm -
1 stop5h 22m
Deal found 9/13![Delta logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 12/510:46 am -
Nonstop1h 37m
Wed 12/91:03 pm -
Nonstop1h 47m
Deal found 9/16![Alaska Airlines logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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.
Sun 11/155:05 am -
1 stop3h 34m
Wed 11/183:54 pm -
Nonstop1h 56m
Deal found 9/13![Alaska Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 9/13. 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 10/145:15 pm -
1 stop6h 16m
Sat 10/176:23 pm -
1 stop4h 55m
Deal found 9/13![Delta logo]()
$348
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 11/185:00 am -
1 stop7h 29m
Sat 11/214:00 pm -
1 stop6h 28m
Deal found 9/13![United Airlines logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:48 pm -
1 stop20h 26m
Sat 11/143:54 pm -
Nonstop1h 56m
Deal found 9/14![Alaska Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 9/12. 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.
Mon 11/235:24 pm -
1 stop3h 56m
Fri 11/275:35 am -
1 stop4h 21m
Deal found 9/12![Delta logo]()
$348
This United Airlines deal was found by Cheapflights users on 9/16. 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 11/54:25 pm -
1 stop5h 05m
Sat 11/75:00 am -
2 stops10h 37m
Deal found 9/16![United Airlines logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 11/510:31 am -
Nonstop1h 39m
Sat 11/72:54 pm -
1 stop6h 53m
Deal found 9/16![Alaska Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 9/12. 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.
Thu 10/155:33 am -
1 stop5h 04m
Tue 10/205:30 am -
1 stop7h 33m
Deal found 9/12![Delta logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 10/258:09 am -
1 stop5h 06m
Sat 11/710:27 am -
1 stop5h 46m
Deal found 9/15![Alaska Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 9/16. 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.
Thu 10/155:33 am -
1 stop5h 04m
Thu 10/2212:28 pm -
1 stop4h 42m
Deal found 9/16![Delta logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 9/12. 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.
Mon 11/95:05 am -
1 stop6h 10m
Fri 11/136:34 pm -
1 stop5h 26m
Deal found 9/12![Alaska Airlines logo]()
$367
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/2612:40 pm -
1 stop7h 58m
Sat 1/308:40 am -
1 stop5h 40m
Deal found 9/15![United Airlines logo]()
$453
This Delta deal was found by Cheapflights users on 9/15. 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 12/119:16 am -
2 stops6h 55m
Sun 12/136:10 pm -
1 stop6h 51m
Deal found 9/15![Delta logo]()
$382
This Alaska Airlines deal was found by Cheapflights users on 9/12. 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 10/148:09 am -
1 stop14h 41m
Wed 10/213:44 pm -
Nonstop2h 06m
Deal found 9/12![Alaska Airlines logo]()
$370
This Delta deal was found by Cheapflights users on 9/15. 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 10/285:30 am -
2 stops10h 30m
Wed 11/46:10 pm -
1 stop5h 08m
Deal found 9/15![Delta logo]()
$382
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:07 pm -
1 stop4h 54m
Sat 11/75:00 am -
1 stop5h 36m
Deal found 9/15![United Airlines logo]()
$483
This Delta deal was found by Cheapflights users on 9/13. 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.
Thu 10/159:55 am -
1 stop6h 05m
Sun 10/186:10 pm -
1 stop6h 37m
Deal found 9/13![Delta logo]()
$392
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 1/308:30 am -
1 stop5h 58m
Tue 2/24:08 pm -
2 stops18h 40m
Deal found 9/17![Alaska Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 9/14. 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 10/169:55 am -
1 stop6h 05m
Sun 10/186:10 pm -
1 stop6h 37m
Deal found 9/14![Delta logo]()
$402
Last-minute flights from Portland to MontanaDiscover last-minute flight deals from Portland to Montana. Data last updated September 18, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Montana. Data last updated September 18, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:45 pm -
1 stop5h 05m
Wed 10/213:44 pm -
Nonstop2h 06m
Deal found 9/14![Alaska Airlines logo]()
$269
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 10/145:00 am -
1 stop7h 14m
Wed 10/212:28 pm -
1 stop7h 42m
Deal found 9/13![United Airlines logo]()
$287
This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:09 am -
1 stop5h 41m
Sat 10/247:03 am -
1 stop3h 44m
Deal found 9/14![Alaska Airlines logo]()
$286
This Southwest deal was found by Cheapflights users on 9/17. 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.
Tue 10/206:00 am -
1 stop5h 40m
Sat 10/242:35 pm -
1 stop7h 55m
Deal found 9/17![Southwest logo]()
$258
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 10/258:09 am -
1 stop5h 06m
Thu 11/53:54 pm -
Nonstop1h 56m
Deal found 9/15![Alaska Airlines logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 10/257:09 am -
1 stop6h 06m
Fri 11/66:59 pm -
1 stop3h 56m
Deal found 9/15![Alaska Airlines logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 10/2710:30 am -
Nonstop1h 45m
Tue 11/33:54 pm -
Nonstop1h 56m
Deal found 9/15![Alaska Airlines logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 10/2710:30 am -
Nonstop1h 45m
Wed 11/43:54 pm -
Nonstop1h 56m
Deal found 9/15![Alaska Airlines logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 10/275:06 am -
1 stop3h 34m
Thu 11/53:54 pm -
Nonstop1h 56m
Deal found 9/15![Alaska Airlines logo]()
$262
This Southwest deal was found by Cheapflights users on 9/17. 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.
Tue 10/2711:15 am -
2 stops9h 55m
Sat 10/318:10 am -
2 stops11h 25m
Deal found 9/17![Southwest logo]()
$269
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 10/275:06 am -
1 stop3h 34m
Mon 11/26:59 pm -
1 stop3h 56m
Deal found 9/15![Alaska Airlines logo]()
$272
This Southwest deal was found by Cheapflights users on 9/13. 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.
Sat 10/317:25 am -
1 stop9h 10m
Wed 11/43:30 pm -
1 stop7h 50m
Deal found 9/13![Southwest logo]()
$273
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 September 18, 2026.
Search for one-way flight options from Portland to Montana. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.
This Southwest deal was found by Cheapflights users on 9/17. 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.
Wed 12/21:50 pm -
1 stop7h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Southwest logo]()
$129
This Southwest deal was found by Cheapflights users on 9/13. 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.
Tue 10/203:50 pm -
1 stop5h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Southwest logo]()
$135
This Priceline deal was found by Cheapflights users on 9/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:09 am -
1 stop5h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Alaska Airlines logo]()
$139
This Southwest deal was found by Cheapflights users on 9/17. 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.
Tue 10/136:00 am -
2 stops12h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Southwest logo]()
$140
This Southwest deal was found by Cheapflights users on 9/17. 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 12/1011:40 am -
1 stop9h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Southwest logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:31 pm -
1 stop20h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$153
This Delta deal was found by Cheapflights users on 9/13. 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 10/165:15 pm -
1 stop4h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Delta logo]()
$154
This Priceline deal was found by Cheapflights users on 9/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1510:31 am -
Nonstop1h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Alaska Airlines logo]()
$169
This Delta deal was found by Cheapflights users on 9/14. 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.
Tue 12/15:35 am -
1 stop5h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Delta logo]()
$179
This Southwest deal was found by Cheapflights users on 9/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:30 am -
2 stops8h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$184
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/210:48 am -
Nonstop1h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Alaska Airlines logo]()
$184
This Southwest deal was found by Cheapflights users on 9/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/71:40 pm -
1 stop5h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$199
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 September 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $247 (Alaska Airlines) |
One-way from | $129 (Southwest) |
Popular in | July |
Cheapest in | January |
Average price | $395 |
Good round-trip deal | $393 or less |
Good one-way deal | $263 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 September 18, 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
Tue 10/20
3:50 pm-10:10 pm
1 stop5h 20m
Bozeman Gallatin Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$135
PortlandMissoula
PDX Portland - MSO Missoula Johnson-Bell Field
PDXMSO
Portland
Sat 10/17
8:09 am-2:50 pm
1 stop5h 41m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$139
PortlandBozeman
PDX Portland - BZN Bozeman Gallatin Field
PDXBZN
Portland
Tue 10/13
6:00 am-7:45 pm
2 stops12h 45m
Bozeman Gallatin Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$140
PortlandBillings
PDX Portland - BIL Billings Logan Intl
PDXBIL
Portland
Fri 10/16
5:15 pm-10:25 pm
1 stop4h 10m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$154
PortlandKalispell
PDX Portland - FCA Kalispell Glacier Park
PDXFCA
Portland
Tue 12/1
5:35 am-11:38 am
1 stop5h 03m
Kalispell Glacier Park
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$179
PortlandKalispell
PDX Portland - FCA Kalispell Glacier Park
PDXFCA
Portland
Thu 10/29
12:02 pm-9:32 am
2 stops20h 30m
Kalispell Glacier Park
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$191
PortlandBozeman
PDX Portland - BZN Bozeman Gallatin Field
PDXBZN
Portland
Thu 10/8
1:10 pm-10:30 pm
2 stops8h 20m
Bozeman Gallatin Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$204
PortlandBozeman
PDX Portland - BZN Bozeman Gallatin Field
PDXBZN
Portland
Wed 10/7
6:40 am-7:45 pm
2 stops12h 05m
Bozeman Gallatin Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$210
PortlandBillings
PDX Portland - BIL Billings Logan Intl
PDXBIL
Portland
Sat 10/17
5:00 am-1:14 pm
1 stop7h 14m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$226
PortlandKalispell
PDX Portland - FCA Kalispell Glacier Park
PDXFCA
Portland
Wed 12/2
7:00 am-5:55 pm
2 stops9h 55m
Kalispell Glacier Park
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$228
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 $217). 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 September 18, 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 46% on your trip compared to booking a flight at noon.
Weekly flight availability from Portland to Montana
Explore weekly flight availability from Portland to Montana. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 18, 2026.
The most flights from PDX to USMT are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Portland to Montana?
Airfare is below average for this route at the moment.
Portland to Montana flights typically cost between $257 and $493 in October.The cheapest round-trip price found within the last 5 days was $247 on Alaska Airlines (Oct 27-Nov 3).
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 September 12, 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 September 18, 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
Food
7.0
Crew
8.5
Entertainment
7.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Comfort
7.8
Food
7.0
Crew
8.5
Entertainment
7.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Comfort
7.8
Food
7.0
Crew
8.5
Entertainment
7.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Comfort
7.8
Food
7.0
Crew
8.5
Entertainment
7.0
Overall
7.9
Boarding
8.1
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 September 18, 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 September 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$137 | Average$397 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$158 | Average$396 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$211 | Average$271 | FlexibilityNo cancel fee | On-time69% |