$69+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BZN
Dec 3 — Dec 101
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 November 3, 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 November 3, 2026.
This Southwest deal was found by Cheapflights users on 10/31. 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 12/512:35 pm -
1 stop5h 15m
Sun 12/611:05 am -
1 stop10h 15m
Deal found 10/31![Southwest logo]()
$142
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 12/45:34 pm -
1 stop6h 03m
Mon 12/76:25 pm -
1 stop6h 34m
Deal found 11/3![Delta logo]()
$177
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/45:34 pm -
1 stop3h 54m
Sat 12/125:30 am -
1 stop4h 33m
Deal found 11/2![Delta logo]()
$177
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 12/25:59 pm -
1 stop4h 10m
Fri 12/47:00 am -
1 stop4h 52m
Deal found 11/3![Delta logo]()
$177
This Delta deal was found by Cheapflights users on 10/30. 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 12/42:15 pm -
2 stops9h 22m
Sun 12/65:25 am -
1 stop4h 37m
Deal found 10/30![Delta logo]()
$182
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 1/57:00 am -
1 stop4h 16m
Deal found 11/3![Delta logo]()
$217
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 12/117:00 am -
1 stop6h 35m
Mon 1/47:00 am -
1 stop4h 16m
Deal found 11/3![Delta logo]()
$227
This Southwest deal was found by Cheapflights users on 10/31. 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.
Tue 12/152:10 pm -
1 stop6h 25m
Tue 12/225:05 pm -
2 stops8h 30m
Deal found 10/31![Southwest logo]()
$232
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/15:30 am -
1 stop5h 09m
Tue 12/86:30 am -
1 stop7h 46m
Deal found 10/29![United Airlines logo]()
$233
This Delta deal was found by Cheapflights users on 10/30. 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 12/15:59 pm -
1 stop4h 10m
Sat 12/53:15 pm -
1 stop4h 39m
Deal found 10/30![Delta logo]()
$242
This SmartFares deal was found by Cheapflights users on 10/31. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/158:30 am -
1 stop4h 43m
Tue 12/227:49 pm -
1 stop4h 10m
Deal found 10/31![Alaska Airlines logo]()
$246
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
Wed 12/210:30 am -
Nonstop1h 40m
Sat 12/53:53 pm -
Nonstop1h 58m
Deal found 10/29![Alaska Airlines logo]()
$247
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 November 3, 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 November 3, 2026.
This Delta deal was found by Cheapflights users on 10/30. 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 12/49:57 am -
1 stop6h 48m
Sun 12/65:25 am -
1 stop4h 37m
Deal found 10/30![Delta logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/1110:30 am -
Nonstop1h 40m
Tue 12/153:53 pm -
Nonstop1h 58m
Deal found 11/2![Alaska Airlines logo]()
$247
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 1/115:30 am -
1 stop5h 42m
Thu 1/145:58 pm -
1 stop5h 47m
Deal found 11/1![United Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 10/30. 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 12/47:00 am -
2 stops9h 45m
Mon 12/76:25 pm -
1 stop6h 34m
Deal found 10/30![Delta logo]()
$182
This Southwest deal was found by Cheapflights users on 10/29. 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.
Sat 11/214:45 pm -
1 stop5h 30m
Wed 11/255:05 pm -
1 stop9h 10m
Deal found 10/29![Southwest logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 12/510:46 am -
Nonstop1h 37m
Wed 12/91:03 pm -
Nonstop1h 47m
Deal found 10/29![Alaska Airlines logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 10/31. 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.
Fri 12/412:03 pm -
Nonstop1h 49m
Mon 12/73:32 pm -
Nonstop2h 15m
Deal found 10/31![Alaska Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 1/96:00 am -
1 stop5h 33m
Tue 1/125:05 am -
1 stop4h 59m
Deal found 11/2![Delta logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
Wed 12/210:30 am -
Nonstop1h 40m
Fri 12/111:50 pm -
1 stop3h 58m
Deal found 10/29![Alaska Airlines logo]()
$262
This Southwest deal was found by Cheapflights users on 10/29. 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.
Thu 12/2411:25 am -
1 stop9h 10m
Mon 12/285:05 pm -
2 stops8h 30m
Deal found 10/29![Southwest logo]()
$375
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
Tue 12/810:30 am -
Nonstop1h 40m
Wed 12/91:50 pm -
1 stop5h 58m
Deal found 10/29![Alaska Airlines logo]()
$287
This KAYAK deal was found by Cheapflights users on 10/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/155:34 pm -
1 stop3h 54m
Thu 12/175:30 am -
1 stop4h 32m
Deal found 10/30![Delta logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 10/31. 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.
Tue 1/55:32 pm -
1 stop5h 19m
Tue 1/127:00 am -
2 stops14h 37m
Deal found 10/31![Alaska Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 1/25:45 am -
1 stop5h 52m
Tue 1/56:28 pm -
1 stop6h 30m
Deal found 11/2![Delta logo]()
$357
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 11/95:00 am -
1 stop7h 29m
Mon 11/165:00 am -
1 stop5h 36m
Deal found 11/1![United Airlines logo]()
$491
This Alaska Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 1/2310:59 am -
Nonstop1h 33m
Sun 1/241:02 pm -
Nonstop1h 42m
Deal found 11/1![Alaska Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 10/29. 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.
Fri 12/119:57 am -
1 stop6h 14m
Sun 12/136:10 pm -
1 stop6h 49m
Deal found 10/29![Delta logo]()
$372
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Thu 11/194:25 pm -
1 stop5h 05m
Sun 11/225:00 am -
2 stops8h 22m
Deal found 10/31![United Airlines logo]()
$536
This Alaska Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/112:06 pm -
1 stop5h 28m
Sat 12/53:53 pm -
Nonstop1h 58m
Deal found 11/2![Alaska Airlines logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 1/2312:08 pm -
Nonstop1h 51m
Mon 1/2512:09 pm -
2 stops21h 46m
Deal found 11/2![Alaska Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 10/30. 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.
Wed 11/259:16 am -
2 stops6h 55m
Mon 11/306:10 pm -
1 stop6h 41m
Deal found 10/30![Delta logo]()
$432
This Alaska Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 1/242:04 pm -
1 stop4h 13m
Thu 1/287:57 pm -
1 stop4h 56m
Deal found 11/3![Alaska Airlines logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 12/1910:47 am -
Nonstop1h 32m
Wed 12/231:02 pm -
Nonstop1h 47m
Deal found 11/3![Alaska Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:24 pm -
1 stop3h 56m
Fri 11/275:35 am -
1 stop4h 21m
Deal found 11/1![Delta logo]()
$488
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 12/15:00 am -
1 stop12h 36m
Tue 12/89:30 am -
2 stops27h 45m
Deal found 11/3![United Airlines logo]()
$720
This Alaska Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 12/228:21 am -
1 stop5h 48m
Wed 12/231:02 pm -
Nonstop1h 47m
Deal found 11/3![Alaska Airlines logo]()
$392
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 12/31:15 pm -
1 stop28h 21m
Sat 12/59:30 am -
1 stop25h 06m
Deal found 10/29![United Airlines logo]()
$786
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 1/308:30 am -
1 stop6h 53m
Tue 2/25:00 pm -
1 stop7h 53m
Deal found 10/29![Alaska Airlines logo]()
$413
This deal was found by Cheapflights users on 10/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/215:38 pm -
1 stop5h 21m
Fri 12/251:02 pm -
Nonstop1h 47m
Deal found 10/29![Alaska Airlines logo]()
$415
This Alaska Airlines deal was found by Cheapflights users on 10/31. 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 1/308:30 am -
1 stop5h 58m
Tue 2/24:08 pm -
1 stop8h 45m
Deal found 10/31![Alaska Airlines logo]()
$422
Last-minute flights from Portland to MontanaDiscover last-minute flight deals from Portland to Montana. Data last updated November 3, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Montana. Data last updated November 3, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/15:30 am -
1 stop5h 09m
Tue 12/86:30 am -
1 stop7h 46m
Deal found 10/29![United Airlines logo]()
$233
This Delta deal was found by Cheapflights users on 10/30. 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 12/15:59 pm -
1 stop4h 10m
Sat 12/53:15 pm -
1 stop4h 39m
Deal found 10/30![Delta logo]()
$242
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 12/25:59 pm -
1 stop4h 10m
Fri 12/47:00 am -
1 stop4h 52m
Deal found 11/3![Delta logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
Wed 12/210:30 am -
Nonstop1h 40m
Sat 12/53:53 pm -
Nonstop1h 58m
Deal found 10/29![Alaska Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 10/30. 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 12/45:34 pm -
1 stop6h 03m
Mon 12/76:25 pm -
1 stop6h 34m
Deal found 10/30![Delta logo]()
$177
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/45:34 pm -
1 stop3h 54m
Sat 12/125:30 am -
1 stop4h 33m
Deal found 11/2![Delta logo]()
$177
This Delta deal was found by Cheapflights users on 10/30. 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 12/42:15 pm -
2 stops9h 22m
Sun 12/65:25 am -
1 stop4h 37m
Deal found 10/30![Delta logo]()
$182
This Southwest deal was found by Cheapflights users on 10/31. 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 12/512:35 pm -
1 stop5h 15m
Sun 12/611:05 am -
1 stop10h 15m
Deal found 10/31![Southwest logo]()
$142
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 1/57:00 am -
1 stop4h 16m
Deal found 11/3![Delta logo]()
$217
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 12/117:00 am -
1 stop6h 35m
Mon 1/47:00 am -
1 stop4h 16m
Deal found 11/3![Delta logo]()
$227
This Southwest deal was found by Cheapflights users on 10/31. 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.
Tue 12/152:10 pm -
1 stop6h 25m
Tue 12/225:05 pm -
2 stops8h 30m
Deal found 10/31![Southwest logo]()
$232
This SmartFares deal was found by Cheapflights users on 10/31. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/158:30 am -
1 stop4h 43m
Tue 12/227:49 pm -
1 stop4h 10m
Deal found 10/31![Alaska Airlines logo]()
$246
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 November 3, 2026.
Search for one-way flight options from Portland to Montana. Find affordable one-way fares based on user searches. Data last updated November 3, 2026.
This Southwest deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 1/211:40 pm -
1 stop7h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Southwest logo]()
$69
This Southwest deal was found by Cheapflights users on 10/31. 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.
Tue 1/269:55 am -
2 stops11h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Southwest logo]()
$74
This Delta deal was found by Cheapflights users on 10/31. 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 12/85:34 pm -
1 stop6h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Delta logo]()
$89
This Delta deal was found by Cheapflights users on 10/31. 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.
Wed 12/95:45 am -
1 stop4h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Delta logo]()
$89
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 1/105:30 am -
1 stop5h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![United Airlines logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 1/215:50 pm -
1 stop15h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Allegiant Air logo]()
$116
This KAYAK deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:34 pm -
1 stop3h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Delta logo]()
$118
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 1/65:48 pm -
1 stop3h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Delta logo]()
$129
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 1/911:00 am -
1 stop4h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Delta logo]()
$154
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 1/112:50 pm -
1 stop6h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Delta logo]()
$159
This Southwest deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 1/69:20 am -
2 stops11h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Southwest logo]()
$164
This Alaska Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/155:23 am -
1 stop5h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Alaska Airlines 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 November 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $137 (Southwest) |
One-way from | $69 (Southwest) |
Popular in | July |
Cheapest in | January |
Average price | $347 |
Good round-trip deal | $347 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 November 3, 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
Thu 1/21
1:40 pm-10:05 pm
1 stop7h 25m
Bozeman Gallatin Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$69
PortlandBozeman
PDX Portland - BZN Bozeman Gallatin Field
PDXBZN
Portland
Tue 1/26
9:55 am-10:05 pm
2 stops11h 10m
Bozeman Gallatin Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$74
PortlandMissoula
PDX Portland - MSO Missoula Johnson-Bell Field
PDXMSO
Portland
Tue 12/8
5:34 pm-12:37 am
1 stop6h 03m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$89
PortlandKalispell
PDX Portland - FCA Kalispell Glacier Park
PDXFCA
Portland
Wed 12/9
5:45 am-11:38 am
1 stop4h 53m
Kalispell Glacier Park
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$89
PortlandBozeman
PDX Portland - BZN Bozeman Gallatin Field
PDXBZN
Portland
Sun 1/10
5:30 am-12:12 pm
1 stop5h 42m
Bozeman Gallatin Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$109
PortlandBillings
PDX Portland - BIL Billings Logan Intl
PDXBIL
Portland
Fri 12/4
5:34 pm-10:28 pm
1 stop3h 54m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$118
PortlandKalispell
PDX Portland - FCA Kalispell Glacier Park
PDXFCA
Portland
Mon 12/14
6:26 am-12:14 pm
1 stop4h 48m
Kalispell Glacier Park
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$174
PortlandMissoula
PDX Portland - MSO Missoula Johnson-Bell Field
PDXMSO
Portland
Fri 12/4
9:57 am-5:45 pm
1 stop6h 48m
Missoula Johnson-Bell Field
Sun 12/6
5:25 am-9:02 am
1 stop4h 37m
$177
PortlandMissoula
PDX Portland - MSO Missoula Johnson-Bell Field
PDXMSO
Portland
Fri 12/4
7:00 am-5:45 pm
2 stops9h 45m
Missoula Johnson-Bell Field
Mon 12/7
6:25 pm-11:59 pm
1 stop6h 34m
$182
Quickest round-trip
PortlandKalispell
PDX Portland - FCA Kalispell Glacier Park
PDXFCA
Portland
Sat 12/12
10:48 am-1:14 pm
Nonstop1h 26m
Kalispell Glacier Park
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$184
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-MSO
PDX-BIL
PDX-BTM
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-MSO
PDX-BIL
PDX-BTM
What is the cheapest month to book a flight from Portland to Montana?
Currently, February is the cheapest month in which you can book a flight from Portland to Montana (average of $287). 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 November 3, 2026.
A simple way to save on the total cost of your ticket is to fly from Portland to Montana in the evening. If you’re flexible enough to do this you can expect to save up to 46% on your trip compared to booking a flight at noon.
Weekly flight availability from Portland to Montana
Explore weekly flight availability from Portland to Montana. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 3, 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 $287 and $602 in January.The cheapest round-trip price found within the last 5 days was $137 on Southwest (Jan 12-Jan 15).
How far ahead should I book a flight from Portland to Montana?
The best time to book flights from Portland to Montana is 34 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 31, 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 November 3, 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
Food
7.0
Comfort
7.8
Entertainment
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Overall
7.9
Food
7.0
Comfort
7.8
Entertainment
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Overall
7.9
Food
7.0
Comfort
7.8
Entertainment
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Overall
7.9
Food
7.0
Comfort
7.8
Entertainment
7.0
Crew
8.5
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.
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 November 3, 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 November 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$158 | Average$424 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$179 | Average$443 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$211 | Average$271 | FlexibilityNo cancel fee | On-time69% |