$124+ Cheap flights from Montana to Portland (PDX)
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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — PDX
Sep 26 — Oct 31
Round-trip
1 adult, Economy
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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 Montana to PortlandExplore the most affordable flight options available from Montana to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 27, 2026.
Explore the most affordable flight options available from Montana to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 27, 2026.
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 12/124:00 pm -
Nonstop1h 50m
Tue 12/1510:30 am -
Nonstop1h 39m
Deal found 8/26![Alaska Airlines logo]()
$227
This Priceline deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 11/43:32 pm -
Nonstop2h 12m
Wed 11/1112:03 pm -
Nonstop1h 49m
Deal found 8/25![Alaska Airlines logo]()
$247
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/314:13 pm -
1 stop5h 49m
Tue 11/35:00 am -
1 stop7h 30m
Deal found 8/24![United Airlines logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/293:42 pm -
Nonstop2h 02m
Sat 10/312:14 pm -
Nonstop1h 50m
Deal found 8/25![Alaska Airlines logo]()
$252
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 12/126:30 am -
1 stop7h 45m
Fri 1/87:30 am -
1 stop6h 05m
Deal found 8/25![United Airlines logo]()
$252
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/272:42 pm -
1 stop7h 31m
Sat 10/314:25 pm -
1 stop5h 05m
Deal found 8/26![United Airlines logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 12/51:15 pm -
Nonstop1h 35m
Wed 12/911:10 am -
Nonstop1h 26m
Deal found 8/24![Alaska Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 10/278:25 am -
1 stop4h 24m
Tue 11/33:31 pm -
1 stop6h 06m
Deal found 8/25![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 11/65:20 am -
1 stop4h 30m
Tue 11/105:24 pm -
1 stop3h 56m
Deal found 8/25![Delta logo]()
$262
This Booking.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/31:06 pm -
Nonstop1h 36m
Sat 10/1010:48 am -
Nonstop1h 38m
Deal found 8/25![Alaska Airlines logo]()
$262
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 9/253:38 pm -
1 stop5h 24m
Wed 9/303:21 pm -
1 stop6h 28m
Deal found 8/22![Delta logo]()
$262
This United Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 10/104:30 pm -
1 stop5h 40m
Sat 10/179:00 am -
1 stop5h 14m
Deal found 8/23![United Airlines logo]()
$263
Best flights from Montana to PortlandDiscover carefully curated flight deals from Montana to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.
Discover carefully curated flight deals from Montana to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/314:13 pm -
1 stop5h 49m
Tue 11/35:00 am -
1 stop7h 30m
Deal found 8/24![United Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 10/285:20 am -
1 stop4h 30m
Sat 10/315:35 am -
1 stop5h 43m
Deal found 8/25![Delta logo]()
$257
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 12/51:15 pm -
Nonstop1h 35m
Wed 12/911:10 am -
Nonstop1h 26m
Deal found 8/26![Alaska Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 10/76:30 am -
2 stops9h 25m
Mon 10/125:30 am -
2 stops9h 05m
Deal found 8/22![Southwest logo]()
$380
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 9/253:38 pm -
1 stop5h 24m
Wed 9/303:21 pm -
1 stop6h 28m
Deal found 8/22![Delta logo]()
$262
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 12/1212:43 pm -
1 stop11h 32m
Tue 12/1510:30 am -
Nonstop1h 39m
Deal found 8/26![Alaska Airlines logo]()
$275
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.
Fri 10/28:25 am -
1 stop4h 21m
Mon 10/55:49 pm -
1 stop4h 00m
Deal found 8/26![Delta logo]()
$267
This United Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 10/24:22 pm -
1 stop7h 35m
Mon 10/57:00 am -
1 stop7h 14m
Deal found 8/23![United Airlines logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:03 pm -
Nonstop1h 39m
Tue 10/278:09 am -
1 stop3h 14m
Deal found 8/25![Alaska Airlines logo]()
$307
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.
Fri 10/166:23 pm -
1 stop6h 24m
Tue 10/205:15 pm -
1 stop6h 16m
Deal found 8/26![Delta logo]()
$292
This Alaska Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/293:42 pm -
Nonstop2h 02m
Sat 10/312:14 pm -
Nonstop1h 50m
Deal found 8/24![Alaska Airlines logo]()
$312
This Southwest deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:50 am -
2 stops9h 05m
Mon 10/58:50 am -
2 stops7h 45m
Deal found 8/23![Southwest logo]()
$399
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 10/25:57 pm -
1 stop5h 56m
Sun 10/115:00 am -
1 stop7h 14m
Deal found 8/24![United Airlines logo]()
$377
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:30 am -
1 stop4h 11m
Wed 10/75:33 am -
1 stop5h 04m
Deal found 8/25![Delta logo]()
$317
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.
Thu 9/179:20 am -
1 stop14h 25m
Tue 9/223:03 pm -
1 stop28h 42m
Deal found 8/26![Alaska Airlines logo]()
$323
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 10/66:23 pm -
1 stop6h 24m
Sat 10/105:15 pm -
1 stop4h 36m
Deal found 8/25![Delta logo]()
$328
This Alaska Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 10/33:44 pm -
Nonstop2h 06m
Tue 10/67:09 am -
1 stop15h 41m
Deal found 8/23![Alaska Airlines logo]()
$330
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 10/144:30 pm -
1 stop5h 40m
Tue 10/208:40 am -
1 stop5h 48m
Deal found 8/24![United Airlines logo]()
$408
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 11/127:03 am -
1 stop5h 07m
Sun 11/1510:48 am -
Nonstop1h 34m
Deal found 8/27![Alaska Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 10/225:30 am -
1 stop4h 20m
Sun 10/255:33 am -
1 stop5h 04m
Deal found 8/25![Delta logo]()
$337
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.
Fri 10/233:44 pm -
Nonstop2h 06m
Sun 11/112:03 pm -
Nonstop1h 49m
Deal found 8/26![Alaska Airlines logo]()
$340
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 -
1 stop4h 20m
Sun 10/185:33 am -
1 stop5h 04m
Deal found 8/24![Delta logo]()
$367
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.
Fri 10/163:49 pm -
1 stop22h 35m
Tue 10/2010:48 am -
Nonstop1h 38m
Deal found 8/26![Alaska Airlines logo]()
$355
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 11/205:00 am -
2 stops17h 02m
Sun 11/224:25 pm -
1 stop4h 49m
Deal found 8/25![United Airlines logo]()
$554
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:18 pm -
2 stops10h 24m
Wed 10/145:30 am -
2 stops11h 17m
Deal found 8/22![Delta logo]()
$393
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 10/291:06 pm -
Nonstop1h 36m
Sun 11/18:08 am -
1 stop6h 23m
Deal found 8/27![Alaska Airlines logo]()
$362
This Alaska Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:20 am -
1 stop25h 11m
Mon 10/510:48 am -
2 stops11h 21m
Deal found 8/23![Alaska Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/225:40 am -
1 stop4h 01m
Mon 9/285:40 am -
1 stop5h 55m
Deal found 8/24![Delta logo]()
$434
This Alaska Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 10/227:41 am -
1 stop6h 43m
Sun 10/2512:14 pm -
Nonstop1h 50m
Deal found 8/25![Alaska Airlines logo]()
$377
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/85:00 am -
1 stop9h 14m
Sat 9/128:40 am -
1 stop7h 33m
Deal found 8/24![United Airlines logo]()
$679
Last-minute flights from Montana to PortlandDiscover last-minute flight deals from Montana to Portland. Data last updated August 27, 2026 and is based on user searches.
Discover last-minute flight deals from Montana to Portland. Data last updated August 27, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/233:42 pm -
Nonstop1h 52m
Mon 9/283:03 pm -
1 stop28h 42m
Deal found 8/24![Alaska Airlines logo]()
$275
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/235:30 am -
1 stop4h 11m
Tue 9/295:40 am -
1 stop5h 57m
Deal found 8/24![Delta logo]()
$287
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:20 am -
1 stop4h 21m
Tue 9/295:10 pm -
1 stop4h 24m
Deal found 8/25![Delta logo]()
$262
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 9/253:38 pm -
1 stop5h 24m
Wed 9/303:21 pm -
1 stop6h 28m
Deal found 8/22![Delta logo]()
$262
This Southwest deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 9/252:30 pm -
1 stop5h 50m
Wed 9/3012:30 pm -
2 stops9h 00m
Deal found 8/22![Southwest logo]()
$279
This Alaska Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 9/253:42 pm -
Nonstop1h 52m
Wed 9/305:38 pm -
1 stop26h 07m
Deal found 8/22![Alaska Airlines logo]()
$280
This United Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 9/254:22 pm -
1 stop7h 35m
Sun 9/275:00 am -
1 stop7h 31m
Deal found 8/23![United Airlines logo]()
$290
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 9/268:25 am -
1 stop4h 21m
Wed 9/305:50 pm -
1 stop3h 59m
Deal found 8/23![Delta logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:00 am -
1 stop5h 36m
Sat 10/310:48 am -
Nonstop1h 38m
Deal found 8/24![Alaska Airlines logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/293:42 pm -
Nonstop2h 02m
Sat 10/312:14 pm -
Nonstop1h 50m
Deal found 8/25![Alaska Airlines logo]()
$252
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/304:30 pm -
1 stop7h 23m
Sat 10/38:40 am -
1 stop5h 48m
Deal found 8/24![United Airlines logo]()
$247
This Southwest deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/306:55 am -
2 stops9h 30m
Sat 10/32:40 pm -
1 stop5h 05m
Deal found 8/24![Southwest logo]()
$282
One-way flights from Montana to PortlandSearch for one-way flight options from Montana to Portland. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.
Search for one-way flight options from Montana to Portland. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 10/74:30 pm -
1 stop7h 23m
Deal found 8/25![United Airlines logo]()
$124
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:20 am -
1 stop4h 21m
Deal found 8/21![Delta logo]()
$129
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:55 am -
1 stop11h 55m
Deal found 8/26![Southwest logo]()
$129
This Trip.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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.
Fri 10/237:41 am -
1 stop6h 43m
Deal found 8/24![Alaska Airlines logo]()
$132
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 9/215:20 am -
1 stop4h 21m
Deal found 8/22![Delta logo]()
$134
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:30 am -
1 stop4h 11m
Deal found 8/22![Delta logo]()
$144
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/303:42 pm -
Nonstop1h 52m
Deal found 8/26![Alaska Airlines logo]()
$144
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:32 pm -
1 stop7h 21m
Deal found 8/26![United Airlines logo]()
$146
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:30 am -
1 stop4h 20m
Deal found 8/25![Delta logo]()
$149
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:55 am -
2 stops9h 30m
Deal found 8/26![Southwest logo]()
$151
This Priceline deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 10/193:44 pm -
Nonstop2h 06m
Deal found 8/22![Alaska Airlines logo]()
$159
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.
Tue 9/298:25 am -
1 stop4h 21m
Deal found 8/26![Delta logo]()
$159
Find flight deals from Montana to Portland
Keep the following information in mind while searching for Montana to Portland flight deals. Data was last updated August 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $227 (Alaska Airlines) |
One-way from | $124 (United Airlines) |
Popular in | July |
Cheapest in | February |
Average price | $344 |
Good round-trip deal | $272 or less |
Good one-way deal | $183 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Montana to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 27, 2026.
Use the filters below to find and compare flights from Montana to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BozemanPortland
BZN Bozeman Gallatin Field - PDX Portland
BZNPDX
Bozeman Gallatin Field
Sat 10/31
4:13 pm-9:02 pm
1 stop5h 49m
Portland
Tue 11/3
5:00 am-1:30 pm
1 stop7h 30m
$247
BillingsPortland
BIL Billings Logan Intl - PDX Portland
BILPDX
Billings Logan Intl
Wed 10/28
5:20 am-8:50 am
1 stop4h 30m
Portland
Sat 10/31
5:35 am-12:18 pm
1 stop5h 43m
$257
Quickest round-trip
MissoulaPortland
MSO Missoula Johnson-Bell Field - PDX Portland
MSOPDX
Missoula Johnson-Bell Field
Sat 12/5
1:15 pm-1:50 pm
Nonstop1h 35m
Portland
Wed 12/9
11:10 am-1:36 pm
Nonstop1h 26m
$257
BozemanPortland
BZN Bozeman Gallatin Field - PDX Portland
BZNPDX
Bozeman Gallatin Field
Fri 9/25
3:38 pm-8:02 pm
1 stop5h 24m
Portland
Wed 9/30
3:21 pm-10:49 pm
1 stop6h 28m
$262
BozemanPortland
BZN Bozeman Gallatin Field - PDX Portland
BZNPDX
Bozeman Gallatin Field
Fri 10/2
8:25 am-11:46 am
1 stop4h 21m
Portland
Mon 10/5
5:49 pm-10:49 pm
1 stop4h 00m
$267
BozemanPortland
BZN Bozeman Gallatin Field - PDX Portland
BZNPDX
Bozeman Gallatin Field
Sat 12/12
12:43 pm-11:15 pm
1 stop11h 32m
Portland
Tue 12/15
10:30 am-1:09 pm
Nonstop1h 39m
$275
MissoulaPortland
MSO Missoula Johnson-Bell Field - PDX Portland
MSOPDX
Missoula Johnson-Bell Field
Fri 10/16
6:23 pm-11:47 pm
1 stop6h 24m
Portland
Tue 10/20
5:15 pm-12:31 am
1 stop6h 16m
$292
KalispellPortland
FCA Kalispell Glacier Park - PDX Portland
FCAPDX
Kalispell Glacier Park
Fri 10/23
1:03 pm-1:42 pm
Nonstop1h 39m
Portland
Tue 10/27
8:09 am-12:23 pm
1 stop3h 14m
$307
BillingsPortland
BIL Billings Logan Intl - PDX Portland
BILPDX
Billings Logan Intl
Tue 9/29
3:42 pm-4:44 pm
Nonstop2h 02m
Portland
Sat 10/3
12:14 pm-3:04 pm
Nonstop1h 50m
$312
KalispellPortland
FCA Kalispell Glacier Park - PDX Portland
FCAPDX
Kalispell Glacier Park
Sat 10/3
5:30 am-8:41 am
1 stop4h 11m
Portland
Wed 10/7
5:33 am-11:37 am
1 stop5h 04m
$317
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Montana to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from Montana with our price prediction graph.
BZN-PDX
BIL-PDX
MSO-PDX
FCA-PDX
GTF-PDX
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 Montana to Portland
USMT-PDX
BZN-PDX
BIL-PDX
MSO-PDX
FCA-PDX
What is the cheapest month to book a flight from Montana to Portland?
Currently, January is the cheapest month in which you can book a flight from Montana to Portland (average of $247). Flying from Montana to Portland in July is currently the most expensive (average of $488). 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 MT to PDX?
Find hourly flight availability from Montana to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 27, 2026.
When flying from Montana to Portland, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 39% versus a flight at noon.
How much does it cost to fly round-trip from Montana to Portland?
Airfare is below average for this route at the moment.
Montana to Portland flights typically cost between $232 and $318 in December.The cheapest round-trip price found within the last 5 days was $227 on Alaska Airlines (Dec 12-Dec 15).
How far ahead should I book a flight from Montana to Portland?
Booking 24 days in advance of your planned departure date is, on average, the best time to get cheap flights from Montana to Portland. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Related info for your journey
Find useful and relevant information for your journey from Montana to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsBeaverton
Seaside
Lincoln City
Durham
Longview
Lake Oswego
Kelso
Clackamas
Troutdale
Vancouver
Cannon Beach
McMinnville
The Dalles
Wilsonville
Stevenson
Tillamook
Hillsboro
Astoria
Gresham
Silverton
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Alternative routes for Montana to Portland
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Complete your trip
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Search flights from Montana to Portland by cabin class
Find flights from Montana to Portland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Montana and Portland flights
Browse other Montana and Portland flight options. Last updated on August 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Portland
Explore flights to Portland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 27, 2026.
Montana to Portland flights
Consider these flights traveling from Montana to Portland.
Top 2 airlines flying from Montana to Portland
Discover the top 2 airlines that operate flights from Montana to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$137 | Average$359 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$156 | Average$377 | FlexibilityNo cancel fee | On-timeN/A |