$124+ Cheap flights from Portland (PDX) to Montana
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BZN
Oct 1 — Oct 81
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Montana with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Portland to MontanaExplore the most affordable flight options available from Portland to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 1, 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 1, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 8/30![Alaska Airlines logo]()
$232
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 10/147:00 am -
1 stop7h 14m
Sat 10/174:22 pm -
1 stop7h 35m
Deal found 8/28![United Airlines logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/512:03 pm -
Nonstop1h 49m
Sat 11/73:32 pm -
Nonstop2h 12m
Deal found 8/31![Alaska Airlines logo]()
$252
This Southwest deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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
Tue 10/272:45 pm -
2 stops7h 40m
Deal found 8/27![Southwest logo]()
$252
This Trip.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 10/2412:14 pm -
Nonstop1h 50m
Mon 10/267:32 pm -
1 stop4h 30m
Deal found 8/29![Alaska Airlines logo]()
$254
This Alaska Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/511:10 am -
Nonstop1h 26m
Wed 12/91:15 pm -
Nonstop1h 35m
Deal found 8/27![Alaska Airlines logo]()
$257
This Priceline deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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.
Mon 12/710:30 am -
Nonstop1h 53m
Fri 1/83:15 pm -
Nonstop2h 11m
Deal found 8/31![Alaska Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:10 am -
1 stop6h 44m
Sat 10/108:25 am -
1 stop4h 24m
Deal found 8/26![Delta logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:48 am -
Nonstop1h 38m
Fri 10/231:06 pm -
Nonstop1h 36m
Deal found 8/28![Alaska Airlines logo]()
$262
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 12/105:59 pm -
1 stop4h 10m
Tue 1/58:30 am -
1 stop5h 38m
Deal found 8/28![Delta logo]()
$262
This Alaska Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 10/179:31 am -
1 stop4h 19m
Wed 10/211:06 pm -
Nonstop1h 36m
Deal found 8/28![Alaska Airlines logo]()
$267
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 10/295:33 am -
1 stop5h 45m
Mon 11/26:29 pm -
1 stop4h 49m
Deal found 8/28![Delta logo]()
$267
Best flights from Portland to MontanaDiscover carefully curated flight deals from Portland to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 1, 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 1, 2026.
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 10/147:00 am -
1 stop7h 14m
Sat 10/174:22 pm -
1 stop7h 35m
Deal found 8/28![United Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 2/66:40 am -
1 stop6h 53m
Tue 2/93:40 pm -
1 stop4h 23m
Deal found 8/31![Delta logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 11/75:12 pm -
1 stop5h 43m
Deal found 8/29![Alaska Airlines logo]()
$262
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 2/206:00 am -
2 stops9h 25m
Tue 2/2311:30 am -
2 stops11h 10m
Deal found 8/31![Southwest logo]()
$316
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 2/205:45 pm -
1 stop3h 36m
Tue 2/238:30 am -
1 stop4h 38m
Deal found 8/31![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 10/285:15 pm -
1 stop4h 10m
Sun 11/16:29 pm -
1 stop4h 49m
Deal found 8/28![Delta logo]()
$262
This Alaska Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/1410:30 am -
Nonstop1h 45m
Sat 10/173:56 pm -
Nonstop1h 48m
Deal found 8/31![Alaska Airlines logo]()
$303
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 10/77:00 am -
1 stop7h 14m
Fri 10/94:22 pm -
1 stop7h 35m
Deal found 8/28![United Airlines logo]()
$306
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:10 pm -
1 stop4h 24m
Mon 10/55:20 am -
1 stop4h 21m
Deal found 8/28![Delta logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:48 am -
Nonstop1h 38m
Sat 10/241:06 pm -
Nonstop1h 36m
Deal found 8/31![Alaska Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 10/309:31 am -
1 stop4h 23m
Sun 11/18:25 am -
1 stop4h 24m
Deal found 8/28![Delta logo]()
$267
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 9/124:07 pm -
1 stop5h 38m
Wed 9/165:53 pm -
1 stop6h 00m
Deal found 8/27![United Airlines logo]()
$338
This Priceline deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 11/1410:48 am -
Nonstop1h 34m
Sat 11/211:04 pm -
Nonstop1h 46m
Deal found 8/31![Alaska Airlines logo]()
$318
This Southwest deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/262:05 pm -
1 stop6h 15m
Sat 10/38:15 am -
2 stops9h 35m
Deal found 8/27![Southwest logo]()
$386
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 8/30![United Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 11/69:55 am -
1 stop6h 50m
Sun 11/86:23 pm -
1 stop6h 24m
Deal found 8/30![Delta logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 11/95:43 pm -
1 stop5h 16m
Fri 11/136:34 pm -
1 stop5h 26m
Deal found 8/29![Alaska Airlines logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 10/2811:03 am -
1 stop11h 47m
Sun 11/13:32 pm -
Nonstop2h 12m
Deal found 8/28![Alaska Airlines logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/511:10 am -
Nonstop1h 26m
Wed 12/96:40 am -
1 stop17h 04m
Deal found 8/29![Alaska Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 9/269:46 am -
1 stop6h 12m
Sat 10/36:10 pm -
1 stop5h 23m
Deal found 8/28![Delta logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 11/1510:31 am -
Nonstop1h 39m
Wed 11/183:54 pm -
Nonstop1h 56m
Deal found 8/27![Alaska Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/269:46 am -
1 stop6h 12m
Tue 9/296:10 pm -
1 stop6h 30m
Deal found 8/31![Delta logo]()
$392
This Alaska Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:45 am -
2 stops23h 55m
Tue 10/63:44 pm -
Nonstop2h 06m
Deal found 8/27![Alaska Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 10/145:30 am -
2 stops11h 17m
Sat 10/175:40 am -
2 stops7h 09m
Deal found 8/28![Delta logo]()
$393
This Alaska Airlines deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/51:50 pm -
1 stop9h 09m
Wed 12/94:15 pm -
Nonstop1h 35m
Deal found 8/26![Alaska Airlines logo]()
$375
This Delta deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 8/27![Delta logo]()
$398
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:45 pm -
1 stop9h 00m
Fri 9/185:53 pm -
1 stop20h 21m
Deal found 8/30![United Airlines logo]()
$664
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 9/187:15 pm -
1 stop4h 03m
Mon 9/215:30 am -
1 stop4h 11m
Deal found 8/28![Delta logo]()
$398
This Alaska Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:08 pm -
Nonstop1h 54m
Tue 9/293:42 pm -
Nonstop2h 02m
Deal found 8/28![Alaska Airlines logo]()
$400
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 9/115:00 am -
1 stop7h 50m
Sun 9/135:53 pm -
1 stop6h 00m
Deal found 8/27![United Airlines logo]()
$679
Last-minute flights from Portland to MontanaDiscover last-minute flight deals from Portland to Montana. Data last updated September 1, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Montana. Data last updated September 1, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:10 pm -
1 stop4h 24m
Tue 9/295:20 am -
1 stop4h 21m
Deal found 8/27![Delta logo]()
$327
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/235:00 am -
1 stop7h 24m
Wed 9/304:30 pm -
1 stop5h 40m
Deal found 8/31![United Airlines logo]()
$306
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 9/235:00 am -
1 stop7h 24m
Tue 9/294:30 pm -
1 stop5h 40m
Deal found 8/28![United Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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
Wed 9/303:38 pm -
1 stop5h 24m
Deal found 8/28![Delta logo]()
$327
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:40 am -
1 stop5h 48m
Sat 10/34:30 pm -
1 stop5h 40m
Deal found 8/27![United Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:10 pm -
1 stop4h 24m
Mon 10/55:20 am -
1 stop4h 21m
Deal found 8/28![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:15 pm -
1 stop4h 03m
Mon 10/55:30 am -
1 stop4h 11m
Deal found 8/29![Delta logo]()
$297
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 9/295:00 am -
1 stop7h 31m
Tue 10/64:30 pm -
1 stop5h 40m
Deal found 8/30![United Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 9/299:46 am -
1 stop6h 51m
Tue 10/66:23 pm -
1 stop6h 24m
Deal found 8/30![Delta logo]()
$287
This Southwest deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:50 am -
2 stops7h 50m
Tue 10/66:30 am -
1 stop6h 05m
Deal found 8/30![Southwest logo]()
$311
This Booking.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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.
Tue 9/2910:48 am -
Nonstop1h 37m
Tue 10/61:06 pm -
Nonstop1h 36m
Deal found 8/30![Alaska Airlines logo]()
$320
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/2912:45 pm -
1 stop7h 25m
Tue 10/65:00 am -
1 stop5h 36m
Deal found 8/31![United Airlines logo]()
$320
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 1, 2026.
Search for one-way flight options from Portland to Montana. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 9/299:00 am -
1 stop5h 20m
Deal found 8/30![United Airlines logo]()
$124
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:00 am -
1 stop7h 30m
Deal found 8/27![United Airlines logo]()
$129
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 10/15:10 pm -
1 stop4h 24m
Deal found 8/28![Delta logo]()
$134
This Southwest deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2811:30 pm -
1 stop11h 45m
Deal found 8/29![Southwest logo]()
$134
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/205:15 pm -
1 stop6h 16m
Deal found 8/31![Delta logo]()
$144
This Delta deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 8/27![Delta logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 10/111:02 am -
2 stops33h 30m
Deal found 8/28![Multiple Airlines logo]()
$171
This Alaska Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 10/2010:48 am -
Nonstop1h 38m
Deal found 8/30![Alaska Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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.
Sun 9/2012:24 pm -
1 stop30h 32m
Deal found 8/29![Multiple Airlines logo]()
$181
This United Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 10/207:00 am -
1 stop7h 19m
Deal found 8/29![United Airlines logo]()
$189
This Delta deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 10/149:55 am -
1 stop6h 05m
Deal found 8/27![Delta logo]()
$199
This United Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 10/195:00 am -
1 stop7h 31m
Deal found 8/29![United Airlines logo]()
$208
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 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $227 (Priceline) |
One-way from | $124 (United Airlines) |
Popular in | July |
Cheapest in | January |
Average price | $318 |
Good round-trip deal | $249 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 1, 2026.
Use the filters below to find and compare flights from Portland to Montana that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandBozeman
PDX Portland - BZN Bozeman Gallatin Field
PDXBZN
Portland
Wed 10/14
7:00 am-3:14 pm
1 stop7h 14m
Bozeman Gallatin Field
Sat 10/17
4:22 pm-10:57 pm
1 stop7h 35m
$247
PortlandBozeman
PDX Portland - BZN Bozeman Gallatin Field
PDXBZN
Portland
Sat 2/6
6:40 am-2:33 pm
1 stop6h 53m
Bozeman Gallatin Field
Tue 2/9
3:40 pm-7:03 pm
1 stop4h 23m
$257
PortlandBozeman
PDX Portland - BZN Bozeman Gallatin Field
PDXBZN
Portland
Sat 2/20
5:45 pm-10:21 pm
1 stop3h 36m
Bozeman Gallatin Field
Tue 2/23
8:30 am-12:08 pm
1 stop4h 38m
$257
PortlandBillings
PDX Portland - BIL Billings Logan Intl
PDXBIL
Portland
Thu 11/5
12:03 pm-2:52 pm
Nonstop1h 49m
Billings Logan Intl
Sat 11/7
5:12 pm-9:55 pm
1 stop5h 43m
$262
PortlandBillings
PDX Portland - BIL Billings Logan Intl
PDXBIL
Portland
Wed 10/28
5:15 pm-10:25 pm
1 stop4h 10m
Billings Logan Intl
Sun 11/1
6:29 pm-10:18 pm
1 stop4h 49m
$262
PortlandBillings
PDX Portland - BIL Billings Logan Intl
PDXBIL
Portland
Mon 9/28
5:10 pm-10:34 pm
1 stop4h 24m
Billings Logan Intl
Mon 10/5
5:20 am-8:41 am
1 stop4h 21m
$267
PortlandBozeman
PDX Portland - BZN Bozeman Gallatin Field
PDXBZN
Portland
Fri 10/30
9:31 am-2:54 pm
1 stop4h 23m
Bozeman Gallatin Field
Sun 11/1
8:25 am-11:49 am
1 stop4h 24m
$267
PortlandMissoula
PDX Portland - MSO Missoula Johnson-Bell Field
PDXMSO
Portland
Fri 11/6
9:55 am-5:45 pm
1 stop6h 50m
Missoula Johnson-Bell Field
Sun 11/8
6:23 pm-11:47 pm
1 stop6h 24m
$297
PortlandBozeman
PDX Portland - BZN Bozeman Gallatin Field
PDXBZN
Portland
Wed 10/14
10:30 am-1:15 pm
Nonstop1h 45m
Bozeman Gallatin Field
Sat 10/17
3:56 pm-4:44 pm
Nonstop1h 48m
$303
PortlandBozeman
PDX Portland - BZN Bozeman Gallatin Field
PDXBZN
Portland
Wed 10/7
7:00 am-3:14 pm
1 stop7h 14m
Bozeman Gallatin Field
Fri 10/9
4:22 pm-10:57 pm
1 stop7h 35m
$306
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-COD
PDX-FCA
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-COD
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 September 1, 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 47% on your trip compared to booking a flight at noon.
How much does it cost to fly round-trip from Portland to Montana?
Airfare is typical for this route at the moment.
Portland to Montana flights typically cost between $227 and $428 in February.The cheapest round-trip price found within the last 5 days was $227 on Alaska Airlines (Feb 6-Feb 9).
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 29, 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 1, 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.
Overall
7.9
Entertainment
7.0
Crew
8.5
Food
7.0
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Overall
7.9
Entertainment
7.0
Crew
8.5
Food
7.0
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Overall
7.9
Entertainment
7.0
Crew
8.5
Food
7.0
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Overall
7.9
Entertainment
7.0
Crew
8.5
Food
7.0
Comfort
7.8
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 1, 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 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$137 | Average$395 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$158 | Average$390 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$211 | Average$271 | FlexibilityNo cancel fee | On-time69% |