$195+ Cheap flights from Portland, ME (PWM) 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BZN
Sep 6 — Sep 131
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 August 7, 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 August 7, 2026.
This American Airlines deal was found by Cheapflights users on 8/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:00 am -
1 stop7h 25m
Mon 10/261:15 pm -
1 stop8h 25m
Deal found 8/3![American Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 8/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:30 am -
2 stops11h 55m
Tue 9/16:26 am -
1 stop10h 26m
Deal found 8/3![American Airlines logo]()
$394
This American Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:32 am -
2 stops15h 11m
Tue 10/131:15 pm -
1 stop8h 25m
Deal found 8/4![American Airlines logo]()
$420
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Wed 8/267:40 am -
1 stop9h 43m
Sat 8/2910:25 am -
1 stop6h 52m
Deal found 8/3![United Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 8/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:00 am -
1 stop8h 26m
Mon 10/51:15 pm -
1 stop8h 25m
Deal found 8/3![American Airlines logo]()
$433
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 9/156:06 am -
1 stop8h 04m
Tue 9/2211:40 am -
1 stop9h 52m
Deal found 8/5![United Airlines logo]()
$436
This Southwest deal was found by Cheapflights users on 8/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:05 pm -
2 stops11h 25m
Tue 9/226:55 am -
2 stops12h 20m
Deal found 8/2![Southwest logo]()
$443
This Delta deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 11/254:40 pm -
2 stops9h 29m
Wed 12/26:00 am -
2 stops14h 23m
Deal found 8/5![Delta logo]()
$447
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Sat 8/225:15 am -
1 stop7h 27m
Sat 9/512:43 pm -
1 stop6h 40m
Deal found 8/2![United Airlines logo]()
$452
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 10/308:47 am -
2 stops14h 51m
Tue 11/36:30 am -
1 stop7h 32m
Deal found 8/6![United Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 8/277:40 am -
2 stops15h 32m
Tue 9/16:15 am -
2 stops13h 08m
Deal found 8/5![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 8/3. 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 10/206:00 am -
2 stops12h 20m
Tue 11/176:15 am -
1 stop7h 47m
Deal found 8/3![United Airlines logo]()
$463
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 August 7, 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 August 7, 2026.
This Delta deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 1/232:35 pm -
2 stops11h 23m
Sat 1/3012:36 pm -
1 stop7h 47m
Deal found 8/5![Delta logo]()
$394
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Wed 8/2610:45 am -
2 stops12h 34m
Sat 8/296:30 am -
1 stop7h 21m
Deal found 8/3![United Airlines logo]()
$394
This Southwest deal was found by Cheapflights users on 8/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:05 pm -
2 stops11h 25m
Tue 9/226:55 am -
2 stops12h 20m
Deal found 8/2![Southwest logo]()
$443
This American Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/2312:46 pm -
2 stops11h 16m
Sun 1/311:43 pm -
2 stops20h 23m
Deal found 8/5![American Airlines logo]()
$494
This Delta deal was found by Cheapflights users on 8/3. 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.
Mon 1/256:00 am -
1 stop9h 16m
Thu 1/286:00 am -
2 stops8h 59m
Deal found 8/3![Delta logo]()
$394
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 10/308:47 am -
2 stops14h 51m
Tue 11/36:30 am -
1 stop7h 32m
Deal found 8/6![United Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 8/3. 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.
Tue 1/262:35 pm -
2 stops11h 23m
Fri 1/296:00 am -
2 stops14h 23m
Deal found 8/3![Delta logo]()
$421
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Tue 9/156:06 am -
1 stop8h 04m
Tue 9/221:21 pm -
1 stop8h 11m
Deal found 8/2![United Airlines logo]()
$457
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Thu 8/2710:45 am -
2 stops12h 27m
Tue 9/16:15 am -
2 stops13h 08m
Deal found 8/2![United Airlines logo]()
$459
This American Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/41:30 pm -
2 stops11h 17m
Fri 9/1112:28 pm -
1 stop9h 19m
Deal found 8/7![American Airlines logo]()
$629
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 11/103:23 pm -
1 stop8h 24m
Sat 11/146:15 am -
1 stop7h 47m
Deal found 8/6![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 11/133:23 pm -
1 stop8h 08m
Tue 11/176:28 am -
1 stop7h 34m
Deal found 8/6![United Airlines logo]()
$489
This American Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/310:56 am -
2 stops13h 51m
Thu 9/1012:28 pm -
1 stop9h 19m
Deal found 8/6![American Airlines logo]()
$702
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 11/175:30 am -
2 stops12h 00m
Wed 11/1812:48 pm -
1 stop7h 03m
Deal found 8/5![United Airlines logo]()
$494
This American Airlines deal was found by Cheapflights users on 8/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:30 pm -
2 stops11h 17m
Thu 8/2712:22 pm -
2 stops9h 25m
Deal found 8/2![American Airlines logo]()
$707
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Tue 1/129:45 am -
2 stops13h 06m
Sat 1/167:00 am -
2 stops13h 57m
Deal found 8/2![United Airlines logo]()
$535
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 8/276:03 am -
1 stop7h 39m
Mon 8/317:15 am -
2 stops12h 08m
Deal found 8/4![United Airlines logo]()
$556
This United Airlines deal was found by Cheapflights users on 8/2. 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 9/65:51 am -
2 stops9h 38m
Sat 9/126:15 am -
2 stops13h 08m
Deal found 8/2![United Airlines logo]()
$558
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Tue 10/278:45 am -
2 stops15h 02m
Sat 10/316:15 am -
1 stop7h 47m
Deal found 8/2![United Airlines logo]()
$583
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Mon 8/316:03 am -
2 stops13h 13m
Mon 9/77:00 am -
1 stop6h 51m
Deal found 8/3![United Airlines logo]()
$607
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 8/227:40 am -
2 stops14h 21m
Wed 8/2610:38 am -
2 stops11h 21m
Deal found 8/6![United Airlines logo]()
$629
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Thu 1/711:17 am -
2 stops11h 42m
Mon 1/112:30 pm -
2 stops21h 22m
Deal found 8/3![United Airlines logo]()
$638
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/33:37 pm -
1 stop7h 23m
Thu 9/107:00 am -
1 stop6h 51m
Deal found 8/6![United Airlines logo]()
$714
Last-minute flights from Portland to MontanaDiscover last-minute flight deals from Portland to Montana. Data last updated August 7, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Montana. Data last updated August 7, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Sat 8/225:15 am -
1 stop7h 27m
Sat 9/512:43 pm -
1 stop6h 40m
Deal found 8/2![United Airlines logo]()
$452
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 8/227:40 am -
2 stops14h 21m
Wed 8/2610:38 am -
2 stops11h 21m
Deal found 8/6![United Airlines logo]()
$629
This American Airlines deal was found by Cheapflights users on 8/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:00 am -
1 stop9h 25m
Tue 9/16:26 am -
1 stop10h 26m
Deal found 8/3![American Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Wed 8/267:40 am -
1 stop9h 43m
Sat 8/2910:25 am -
1 stop6h 52m
Deal found 8/3![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 8/277:40 am -
2 stops15h 32m
Tue 9/16:15 am -
2 stops13h 08m
Deal found 8/5![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Thu 8/277:40 am -
2 stops16h 50m
Mon 8/317:15 am -
2 stops12h 08m
Deal found 8/3![United Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Mon 8/316:03 am -
2 stops13h 13m
Mon 9/77:00 am -
1 stop6h 51m
Deal found 8/3![United Airlines logo]()
$607
This American Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/41:30 pm -
2 stops11h 17m
Fri 9/1112:28 pm -
1 stop9h 19m
Deal found 8/7![American Airlines logo]()
$629
This United Airlines deal was found by Cheapflights users on 8/2. 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 9/65:51 am -
2 stops9h 38m
Sat 9/126:15 am -
2 stops13h 08m
Deal found 8/2![United Airlines logo]()
$558
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 9/156:06 am -
1 stop8h 04m
Tue 9/2211:40 am -
1 stop9h 52m
Deal found 8/5![United Airlines logo]()
$436
This Southwest deal was found by Cheapflights users on 8/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:05 pm -
2 stops11h 25m
Tue 9/226:55 am -
2 stops12h 20m
Deal found 8/2![Southwest logo]()
$443
This American Airlines deal was found by Cheapflights users on 8/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:00 am -
1 stop8h 26m
Mon 10/51:15 pm -
1 stop8h 25m
Deal found 8/3![American Airlines logo]()
$433
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 August 7, 2026.
Search for one-way flight options from Portland to Montana. Find affordable one-way fares based on user searches. Data last updated August 7, 2026.
This Delta deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 11/186:00 am -
1 stop9h 21m
Deal found 8/4![Delta logo]()
$195
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 9/156:06 am -
1 stop8h 04m
Deal found 8/4![United Airlines logo]()
$214
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 10/2311:35 am -
1 stop9h 37m
Deal found 8/5![United Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 8/2. 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 9/254:45 pm -
2 stops9h 34m
Deal found 8/2![Delta logo]()
$222
This American Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:00 am -
1 stop7h 25m
Deal found 8/4![American Airlines logo]()
$239
This Southwest deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 10/711:35 am -
2 stops12h 30m
Deal found 8/4![Southwest logo]()
$244
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 9/266:00 am -
1 stop7h 45m
Deal found 8/4![United Airlines logo]()
$245
This American Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:00 am -
2 stops11h 26m
Deal found 8/6![American Airlines logo]()
$255
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/166:00 am -
2 stops11h 30m
Deal found 8/6![United Airlines logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/173:05 pm -
2 stops26h 59m
Deal found 8/6![Multiple Airlines logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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.
Wed 9/95:09 pm -
3 stops29h 50m
Deal found 8/4![Multiple Airlines logo]()
$291
This Delta deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 9/231:59 pm -
2 stops11h 43m
Deal found 8/4![Delta logo]()
$295
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 August 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $389 (Delta) |
One-way from | $195 (Delta) |
Popular in | June |
Cheapest in | November |
Average price | $459 |
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 2,558,603 searches. Data last updated August 7, 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
PWM Portland - BZN Bozeman Gallatin Field
PWMBZN
Portland
Sat 1/23
2:35 pm-11:58 pm
2 stops11h 23m
Bozeman Gallatin Field
Sat 1/30
12:36 pm-10:23 pm
1 stop7h 47m
$394
PortlandBozeman
PWM Portland - BZN Bozeman Gallatin Field
PWMBZN
Portland
Wed 8/26
10:45 am-9:19 pm
2 stops12h 34m
Bozeman Gallatin Field
Sat 8/29
6:30 am-3:51 pm
1 stop7h 21m
$394
PortlandBozeman
PWM Portland - BZN Bozeman Gallatin Field
PWMBZN
Portland
Mon 1/25
6:00 am-1:16 pm
1 stop9h 16m
Bozeman Gallatin Field
Thu 1/28
6:00 am-4:59 pm
2 stops8h 59m
$394
PortlandBozeman
PWM Portland - BZN Bozeman Gallatin Field
PWMBZN
Portland
Tue 1/26
2:35 pm-11:58 pm
2 stops11h 23m
Bozeman Gallatin Field
Fri 1/29
6:00 am-10:23 pm
2 stops14h 23m
$421
PortlandBozeman
PWM Portland - BZN Bozeman Gallatin Field
PWMBZN
Portland
Tue 9/15
1:05 pm-10:30 pm
2 stops11h 25m
Bozeman Gallatin Field
Tue 9/22
6:55 am-9:15 pm
2 stops12h 20m
$443
PortlandGreat Falls
PWM Portland - GTF Great Falls
PWMGTF
Portland
Fri 10/30
8:47 am-9:38 pm
2 stops14h 51m
Great Falls
Tue 11/3
6:30 am-4:02 pm
1 stop7h 32m
$454
PortlandBozeman
PWM Portland - BZN Bozeman Gallatin Field
PWMBZN
Portland
Tue 9/15
6:06 am-12:10 pm
1 stop8h 04m
Bozeman Gallatin Field
Tue 9/22
1:21 pm-11:32 pm
1 stop8h 11m
$457
PortlandGreat Falls
PWM Portland - GTF Great Falls
PWMGTF
Portland
Thu 8/27
10:45 am-9:12 pm
2 stops12h 27m
Great Falls
Tue 9/1
6:15 am-9:23 pm
2 stops13h 08m
$459
PortlandMissoula
PWM Portland - MSO Missoula Johnson-Bell Field
PWMMSO
Portland
Tue 11/10
3:23 pm-9:47 pm
1 stop8h 24m
Missoula Johnson-Bell Field
Sat 11/14
6:15 am-4:02 pm
1 stop7h 47m
$489
PortlandHelena
PWM Portland - HLN Helena
PWMHLN
Portland
Fri 11/13
3:23 pm-9:31 pm
1 stop8h 08m
Helena
Tue 11/17
6:28 am-4:02 pm
1 stop7h 34m
$489
Showing 1-10 of 35 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.
PWM-BZN
PWM-MSO
PWM-GTF
PWM-BIL
PWM-HLN
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
PWM-USMT
PWM-BZN
PWM-MSO
PWM-GTF
PWM-BIL
What is the cheapest month to book a flight from Portland, Maine to Montana?
Currently, November is the cheapest month in which you can book a flight from Portland, Maine to Montana (average of $324). Flying from Portland, Maine to Montana in June is currently the most expensive (average of $809). 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.
How much does it cost to fly round-trip from Portland, Maine to Montana?
Airfare is typical for this route at the moment.
Portland, Maine to Montana flights typically cost between $329 and $566 in October.The cheapest round-trip price found within the last 5 days was $389 on American Airlines (Oct 21-Oct 26).
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 August 7, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Portland to Montana have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Overall
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Overall
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Overall
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Overall
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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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Portland and Montana flights
Browse other Portland and Montana flight options. Last updated on August 7, 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 2,558,603 searches. Data last updated August 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$203 | Average$314 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$308 | Average$515 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$358 | Average$655 | FlexibilityNo cancel fee | On-time71% |