$98+ 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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BZN
Nov 13 — Nov 201
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Montana
Cheapest
Best
Last-minute
One-way
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 October 14, 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 October 14, 2026.
This Southwest deal was found by Cheapflights users on 10/14. 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 11/181:50 pm -
1 stop7h 40m
Sat 11/217:15 pm -
1 stop7h 10m
Deal found 10/14![Southwest logo]()
$185
This United Airlines deal was found by Cheapflights users on 10/13. 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 10/295:00 am -
1 stop7h 30m
Mon 11/24:13 pm -
1 stop7h 43m
Deal found 10/13![United Airlines logo]()
$195
This Southwest deal was found by Cheapflights users on 10/12. 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 12/1011:40 am -
1 stop9h 45m
Mon 12/143:30 pm -
1 stop7h 45m
Deal found 10/12![Southwest logo]()
$200
This Southwest deal was found by Cheapflights users on 10/11. 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 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 11/1811:20 am -
1 stop7h 45m
Deal found 10/11![Southwest logo]()
$231
This United Airlines deal was found by Cheapflights users on 10/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/119:00 am -
1 stop5h 16m
Fri 11/134:13 pm -
1 stop5h 49m
Deal found 10/11![United Airlines logo]()
$236
This Alaska Airlines deal was found by Cheapflights users on 10/13. 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.
Tue 11/310:31 am -
Nonstop1h 39m
Tue 11/103:54 pm -
Nonstop1h 56m
Deal found 10/13![Alaska Airlines logo]()
$247
This Priceline deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:03 pm -
Nonstop1h 49m
Sat 11/143:32 pm -
Nonstop2h 12m
Deal found 10/10![Alaska Airlines logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 10/12. 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 11/510:31 am -
Nonstop1h 39m
Sat 11/73:54 pm -
Nonstop1h 56m
Deal found 10/12![Alaska Airlines logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 10/12. 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 12/510:46 am -
Nonstop1h 37m
Wed 12/91:03 pm -
Nonstop1h 47m
Deal found 10/12![Alaska Airlines logo]()
$257
This Priceline deal was found by Cheapflights users on 10/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/412:03 pm -
Nonstop1h 49m
Mon 12/73:32 pm -
Nonstop2h 15m
Deal found 10/11![Alaska Airlines logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 10/11. 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.
Wed 11/118:08 am -
1 stop5h 06m
Sat 11/143:54 pm -
Nonstop1h 56m
Deal found 10/11![Alaska Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 10/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:10 pm -
1 stop6h 25m
Thu 11/127:55 am -
2 stops10h 00m
Deal found 10/11![Southwest logo]()
$261
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 October 14, 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 October 14, 2026.
This United Airlines deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:00 am -
1 stop7h 30m
Sat 11/146:30 am -
1 stop7h 55m
Deal found 10/10![United Airlines logo]()
$195
This Alaska Airlines deal was found by Cheapflights users on 10/14. 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.
Thu 11/510:31 am -
Nonstop1h 39m
Sat 11/73:54 pm -
Nonstop1h 56m
Deal found 10/14![Alaska Airlines logo]()
$252
This Delta deal was found by Cheapflights users on 10/14. 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 11/135:24 pm -
1 stop5h 56m
Sun 11/155:30 am -
1 stop4h 28m
Deal found 10/14![Delta logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 10/11. 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.
Tue 12/84:03 pm -
1 stop6h 30m
Wed 12/910:27 am -
1 stop5h 54m
Deal found 10/11![Alaska Airlines logo]()
$267
This United Airlines deal was found by Cheapflights users on 10/12. 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.
Thu 11/57:10 am -
1 stop7h 06m
Sat 11/74:13 pm -
1 stop8h 00m
Deal found 10/12![United Airlines logo]()
$295
This Delta deal was found by Cheapflights users on 10/14. 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 11/135:24 pm -
1 stop5h 56m
Mon 11/165:30 am -
1 stop4h 28m
Deal found 10/14![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” 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 11/127:04 pm -
1 stop4h 16m
Sun 11/155:30 am -
1 stop4h 28m
Deal found 10/10![Delta logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 10/12. 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 12/310:48 am -
Nonstop1h 26m
Mon 12/712:54 pm -
Nonstop1h 46m
Deal found 10/12![Alaska Airlines logo]()
$327
This United Airlines deal was found by Cheapflights users on 10/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:00 am -
1 stop7h 32m
Wed 12/96:15 am -
1 stop8h 01m
Deal found 10/11![United Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 10/11. 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.
Fri 12/115:59 pm -
1 stop4h 10m
Mon 1/43:40 pm -
1 stop4h 23m
Deal found 10/11![Delta logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 10/14. 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.
Mon 11/95:05 am -
1 stop6h 10m
Fri 11/136:34 pm -
1 stop5h 26m
Deal found 10/14![Alaska Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/305:00 am -
1 stop7h 29m
Wed 11/42:42 pm -
1 stop7h 31m
Deal found 10/12![United Airlines logo]()
$381
This Alaska Airlines deal was found by Cheapflights users on 10/11. 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 12/54:03 pm -
1 stop6h 16m
Wed 12/91:03 pm -
Nonstop1h 47m
Deal found 10/11![Alaska Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 10/12. 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.
Fri 1/86:00 am -
1 stop5h 19m
Mon 1/1112:58 pm -
2 stops7h 05m
Deal found 10/12![Delta logo]()
$415
This Alaska Airlines deal was found by Cheapflights users on 10/13. 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.
Wed 11/2510:30 am -
Nonstop1h 41m
Mon 11/303:59 pm -
Nonstop1h 55m
Deal found 10/13![Alaska Airlines logo]()
$378
This Alaska Airlines deal was found by Cheapflights users on 10/11. 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.
Tue 11/107:08 am -
1 stop4h 07m
Tue 11/177:41 am -
2 stops14h 06m
Deal found 10/11![Alaska Airlines logo]()
$381
This Delta deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:15 pm -
1 stop6h 16m
Sun 11/15:30 am -
1 stop4h 20m
Deal found 10/9![Delta logo]()
$433
This Alaska Airlines deal was found by Cheapflights users on 10/14. 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.
Fri 11/1310:48 am -
Nonstop1h 34m
Sat 11/141:02 pm -
Nonstop1h 43m
Deal found 10/14![Alaska Airlines logo]()
$393
This Delta deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” 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 12/39:57 am -
1 stop6h 14m
Fri 12/46:10 pm -
1 stop6h 49m
Deal found 10/10![Delta logo]()
$443
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Thu 10/294:25 pm -
1 stop5h 05m
Mon 11/22:42 pm -
2 stops9h 14m
Deal found 10/14![United Airlines logo]()
$566
This Alaska Airlines deal was found by Cheapflights users on 10/11. 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.
Thu 11/512:03 pm -
Nonstop1h 49m
Sat 11/73:32 pm -
Nonstop2h 12m
Deal found 10/11![Alaska Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 10/12. 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.
Tue 10/279:55 am -
1 stop6h 05m
Sat 10/316:10 pm -
1 stop5h 08m
Deal found 10/12![Delta logo]()
$472
This Alaska Airlines deal was found by Cheapflights users on 10/11. 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.
Thu 11/510:48 am -
Nonstop1h 27m
Mon 11/96:34 pm -
1 stop4h 21m
Deal found 10/11![Alaska Airlines logo]()
$403
This Delta deal was found by Cheapflights users on 10/12. 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.
Fri 11/135:24 pm -
1 stop4h 06m
Sun 11/156:19 pm -
1 stop6h 32m
Deal found 10/12![Delta logo]()
$484
This Alaska Airlines deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” 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 -
1 stop8h 45m
Deal found 10/10![Alaska Airlines logo]()
$412
This United Airlines deal was found by Cheapflights users on 10/13. 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 12/35:00 am -
1 stop12h 36m
Sun 12/69:30 am -
1 stop25h 06m
Deal found 10/13![United Airlines logo]()
$679
This Delta deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” 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 1/106:00 am -
1 stop5h 24m
Mon 1/1112:50 pm -
2 stops7h 13m
Deal found 10/10![Delta logo]()
$490
This Alaska Airlines deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/16:10 pm -
2 stops20h 22m
Mon 2/156:40 am -
1 stop5h 10m
Deal found 10/9![Alaska Airlines logo]()
$426
This United Airlines deal was found by Cheapflights users on 10/13. 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 12/117:00 am -
3 stops34h 36m
Sun 12/139:30 am -
2 stops30h 08m
Deal found 10/13![United Airlines logo]()
$702
This Delta deal was found by Cheapflights users on 10/14. 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.
Thu 10/297:10 am -
2 stops8h 50m
Mon 11/26:10 pm -
1 stop5h 08m
Deal found 10/14![Delta logo]()
$492
Last-minute flights from Portland to MontanaDiscover last-minute flight deals from Portland to Montana. Data last updated October 14, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Montana. Data last updated October 14, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/13. 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 10/295:00 am -
1 stop7h 30m
Mon 11/24:13 pm -
1 stop7h 43m
Deal found 10/13![United Airlines logo]()
$195
This Alaska Airlines deal was found by Cheapflights users on 10/13. 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.
Tue 11/310:31 am -
Nonstop1h 39m
Tue 11/103:54 pm -
Nonstop1h 56m
Deal found 10/13![Alaska Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 10/13. 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.
Tue 11/35:49 pm -
1 stop3h 48m
Tue 11/103:09 pm -
1 stop4h 46m
Deal found 10/13![Delta logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 10/12. 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 11/510:31 am -
Nonstop1h 39m
Sat 11/73:54 pm -
Nonstop1h 56m
Deal found 10/12![Alaska Airlines logo]()
$252
This Southwest deal was found by Cheapflights users on 10/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:10 pm -
1 stop6h 25m
Thu 11/127:55 am -
2 stops10h 00m
Deal found 10/11![Southwest logo]()
$261
This United Airlines deal was found by Cheapflights users on 10/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/119:00 am -
1 stop5h 16m
Fri 11/134:13 pm -
1 stop5h 49m
Deal found 10/11![United Airlines logo]()
$236
This Alaska Airlines deal was found by Cheapflights users on 10/11. 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.
Wed 11/118:08 am -
1 stop5h 06m
Sat 11/143:54 pm -
Nonstop1h 56m
Deal found 10/11![Alaska Airlines logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” 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 11/1210:48 am -
Nonstop1h 34m
Sat 11/141:02 pm -
Nonstop1h 43m
Deal found 10/10![Alaska Airlines logo]()
$272
This Priceline deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:03 pm -
Nonstop1h 49m
Sat 11/143:32 pm -
Nonstop2h 12m
Deal found 10/10![Alaska Airlines logo]()
$252
This Southwest deal was found by Cheapflights users on 10/11. 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 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 11/1811:20 am -
1 stop7h 45m
Deal found 10/11![Southwest logo]()
$231
This United Airlines deal was found by Cheapflights users on 10/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:00 am -
1 stop7h 30m
Wed 11/184:13 pm -
1 stop7h 44m
Deal found 10/11![United Airlines logo]()
$265
This Southwest deal was found by Cheapflights users on 10/14. 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 11/181:50 pm -
1 stop7h 40m
Sat 11/217:15 pm -
1 stop7h 10m
Deal found 10/14![Southwest logo]()
$185
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 October 14, 2026.
Search for one-way flight options from Portland to Montana. Find affordable one-way fares based on user searches. Data last updated October 14, 2026.
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Mon 11/25:00 am -
1 stop7h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![United Airlines logo]()
$98
This Southwest deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” 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 11/1911:40 am -
1 stop9h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Southwest logo]()
$103
This Delta deal was found by Cheapflights users on 10/12. 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 11/145:24 pm -
1 stop3h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Delta logo]()
$134
This Southwest deal was found by Cheapflights users on 10/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/112:30 pm -
1 stop7h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Southwest logo]()
$139
This United Airlines deal was found by Cheapflights users on 10/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:25 pm -
1 stop5h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![United Airlines logo]()
$144
This United Airlines deal was found by Cheapflights users on 10/11. 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 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
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![United Airlines logo]()
$148
This Delta deal was found by Cheapflights users on 10/11. 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.
Sat 12/55:34 pm -
1 stop4h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Delta logo]()
$149
This Priceline deal was found by Cheapflights users on 10/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:03 pm -
Nonstop1h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Alaska Airlines logo]()
$154
This Priceline deal was found by Cheapflights users on 10/14. 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.
Tue 12/110:30 am -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Alaska Airlines logo]()
$154
This Priceline deal was found by Cheapflights users on 10/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/510:46 am -
Nonstop1h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Alaska Airlines logo]()
$159
This Priceline deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” 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.
Thu 11/1910:31 am -
Nonstop1h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Alaska Airlines logo]()
$159
This Delta deal was found by Cheapflights users on 10/11. 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.
Sun 12/65:45 am -
1 stop5h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Delta logo]()
$164
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 October 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $185 (Southwest) |
One-way from | $98 (United Airlines) |
Popular in | July |
Cheapest in | January |
Average price | $392 |
Good round-trip deal | $397 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 October 14, 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 12/1
5:30 am-11:39 am
1 stop5h 09m
Bozeman Gallatin Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$98
PortlandBozeman
PDX Portland - BZN Bozeman Gallatin Field
PDXBZN
Portland
Mon 11/2
5:00 am-1:30 pm
1 stop7h 30m
Bozeman Gallatin Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$98
PortlandBozeman
PDX Portland - BZN Bozeman Gallatin Field
PDXBZN
Portland
Thu 11/19
11:40 am-10:30 pm
1 stop9h 50m
Bozeman Gallatin Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$103
PortlandBillings
PDX Portland - BIL Billings Logan Intl
PDXBIL
Portland
Sat 11/14
5:24 pm-10:20 pm
1 stop3h 56m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$134
PortlandBozeman
PDX Portland - BZN Bozeman Gallatin Field
PDXBZN
Portland
Fri 12/11
2:30 pm-10:45 pm
1 stop7h 15m
Bozeman Gallatin Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$139
PortlandBillings
PDX Portland - BIL Billings Logan Intl
PDXBIL
Portland
Wed 11/11
4:25 pm-10:30 pm
1 stop5h 05m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$144
PortlandBozeman
PDX Portland - BZN Bozeman Gallatin Field
PDXBZN
Portland
Thu 11/19
10:31 am-1:10 pm
Nonstop1h 39m
Bozeman Gallatin Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$159
PortlandMissoula
PDX Portland - MSO Missoula Johnson-Bell Field
PDXMSO
Portland
Sun 12/6
5:45 am-12:39 pm
1 stop5h 54m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$164
PortlandBozeman
PDX Portland - BZN Bozeman Gallatin Field
PDXBZN
Portland
Sat 11/7
5:00 am-1:30 pm
1 stop7h 30m
Bozeman Gallatin Field
Sat 11/14
6:30 am-1:25 pm
1 stop7h 55m
$195
PortlandBillings
PDX Portland - BIL Billings Logan Intl
PDXBIL
Portland
Sat 11/14
10:59 am-9:14 pm
2 stops9h 15m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$199
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-BTM
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Portland to Montana
PDX-USMT
PDX-BZN
PDX-BIL
PDX-MSO
PDX-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 $220). 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 October 14, 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 48% 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 October 14, 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 $306 and $478 in November.The cheapest round-trip price found within the last 5 days was $185 on Southwest (Nov 18-Nov 21).
How far ahead should I book a flight from Portland to Montana?
The best time to book flights from Portland to Montana is 86 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 October 10, 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 October 14, 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.
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.0
Entertainment
7.0
Overall
7.9
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Portland to Montana
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Montana by adding a car rental and/or hotel reservation to your travel itinerary.
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 October 14, 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 October 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$137 | Average$411 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$158 | Average$419 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$211 | Average$271 | FlexibilityNo cancel fee | On-time69% |