$114+ Cheap flights from Portland (PDX) to Montana
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BZN
Jun 11 — Jun 181
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 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 May 12, 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 May 12, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:46 pm
PDX
- BZN
1 stop3h 56m
Alaska Airlines
Sat 6/64:12 pm
BZN
- PDX
Nonstop1h 48m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 5/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:46 pm
PDX
- BZN
1 stop3h 56m
Alaska Airlines
Wed 6/31:57 pm
BZN
- PDX
1 stop3h 53m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 5/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:46 pm
PDX
- FCA
1 stop5h 12m
Alaska Airlines
Mon 6/14:14 pm
FCA
- PDX
Nonstop1h 35m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/23:10 pm
PDX
- BIL
1 stop7h 04m
Delta
Sat 6/65:30 am
BIL
- PDX
1 stop4h 22m
Delta
Deal found 5/11![Delta logo]()
$247
This Delta deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:51 pm
PDX
- BZN
1 stop4h 28m
Delta
Tue 6/912:13 pm
BZN
- PDX
1 stop5h 06m
Delta
Deal found 5/9![Delta logo]()
$247
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:51 pm
PDX
- BZN
1 stop4h 28m
Delta
Mon 6/88:25 am
BZN
- PDX
1 stop4h 17m
Delta
Deal found 5/11![Delta logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 5/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/312:03 pm
PDX
- BIL
Nonstop1h 51m
Alaska Airlines
Sat 6/63:34 pm
BIL
- PDX
Nonstop2h 04m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$262
This Trip.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:46 pm
PDX
- BZN
1 stop3h 56m
Alaska Airlines
Mon 6/84:12 pm
BZN
- PDX
Nonstop1h 48m
Alaska Airlines
Deal found 5/10![Alaska Airlines logo]()
$266
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/45:51 pm
PDX
- BZN
1 stop4h 28m
Delta
Sun 6/77:30 pm
BZN
- PDX
1 stop5h 16m
Delta
Deal found 5/11![Delta logo]()
$267
This United Airlines deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:00 am
PDX
- BZN
1 stop7h 20m
United Airlines
Sat 6/64:20 pm
BZN
- PDX
1 stop5h 50m
United Airlines
Deal found 5/9![United Airlines logo]()
$269
This Alaska Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:46 pm
PDX
- BIL
1 stop4h 47m
Alaska Airlines
Sat 6/63:34 pm
BIL
- PDX
Nonstop2h 04m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$272
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:45 am
PDX
- FCA
1 stop4h 40m
Delta
Mon 6/81:29 pm
FCA
- PDX
1 stop5h 53m
Delta
Deal found 5/11![Delta logo]()
$277
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 May 12, 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 May 12, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:46 pm
PDX
- BZN
1 stop3h 56m
Alaska Airlines
Sat 6/64:12 pm
BZN
- PDX
Nonstop1h 48m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:05 pm
PDX
- BIL
1 stop4h 47m
Delta
Sat 6/65:30 am
BIL
- PDX
1 stop4h 22m
Delta
Deal found 5/10![Delta logo]()
$247
This United Airlines deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:15 am
PDX
- BZN
2 stops10h 14m
United Airlines
Wed 6/34:17 pm
BZN
- PDX
1 stop7h 46m
United Airlines
Deal found 5/9![United Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:59 pm
PDX
- GTF
1 stop13h 35m
Multiple Airlines
Sun 7/269:10 pm
GTF
- PDX
2 stops20h 16m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$424
This Alaska Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:46 pm
PDX
- BIL
1 stop4h 47m
Alaska Airlines
Sat 6/63:34 pm
BIL
- PDX
Nonstop2h 04m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$272
This Delta deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:05 pm
PDX
- FCA
1 stop5h 09m
Delta
Mon 6/85:19 am
FCA
- PDX
1 stop4h 20m
Delta
Deal found 5/12![Delta logo]()
$282
This Alaska Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 5/305:46 pm
PDX
- BZN
1 stop3h 56m
Alaska Airlines
Wed 6/34:12 pm
BZN
- PDX
Nonstop1h 48m
Alaska Airlines
Deal found 5/8![Alaska Airlines logo]()
$273
This Delta deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 6/53:30 pm
PDX
- BIL
2 stops6h 22m
Delta
Sat 6/205:20 am
BIL
- PDX
1 stop4h 15m
Delta
Deal found 5/8![Delta logo]()
$302
This Alaska Airlines deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/312:03 pm
PDX
- BIL
Nonstop1h 51m
Alaska Airlines
Sat 6/67:21 pm
BIL
- PDX
1 stop13h 41m
Alaska Airlines
Deal found 5/10![Alaska Airlines logo]()
$285
This Delta deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 6/55:05 pm
PDX
- FCA
1 stop5h 09m
Delta
Fri 6/125:19 am
FCA
- PDX
1 stop4h 20m
Delta
Deal found 5/8![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:00 am
PDX
- BIL
1 stop7h 22m
United Airlines
Fri 7/106:00 pm
BIL
- PDX
1 stop6h 13m
United Airlines
Deal found 5/10![United Airlines logo]()
$391
This Alaska Airlines deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/302:33 pm
PDX
- FCA
Nonstop1h 27m
Alaska Airlines
Mon 6/14:14 pm
FCA
- PDX
Nonstop1h 35m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:47 am
PDX
- BIL
1 stop4h 20m
Delta
Tue 8/115:10 am
BIL
- PDX
1 stop4h 27m
Delta
Deal found 5/9![Delta logo]()
$327
This United Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 5/285:00 am
PDX
- BIL
1 stop7h 22m
United Airlines
Mon 6/16:00 pm
BIL
- PDX
1 stop6h 00m
United Airlines
Deal found 5/8![United Airlines logo]()
$398
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/313:00 pm
PDX
- BIL
1 stop7h 20m
Delta
Sat 8/86:34 pm
BIL
- PDX
1 stop4h 41m
Delta
Deal found 5/11![Delta logo]()
$327
This United Airlines deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:00 am
PDX
- BIL
1 stop7h 22m
United Airlines
Thu 5/284:10 pm
BIL
- PDX
1 stop7h 50m
United Airlines
Deal found 5/9![United Airlines logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/912:03 pm
PDX
- BZN
1 stop5h 15m
Alaska Airlines
Tue 9/83:40 pm
BZN
- PDX
Nonstop1h 55m
Alaska Airlines
Deal found 5/12![Alaska Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 9/210:15 am
PDX
- MSO
1 stop6h 08m
Delta
Wed 9/96:10 pm
MSO
- PDX
1 stop5h 31m
Delta
Deal found 5/8![Delta logo]()
$328
This Alaska Airlines deal was found by Cheapflights users on 5/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/75:46 pm
PDX
- BZN
1 stop3h 56m
Alaska Airlines
Sat 6/134:04 pm
BZN
- PDX
Nonstop1h 46m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/125:50 pm
PDX
- BZN
1 stop3h 59m
Delta
Sun 7/195:15 am
BZN
- PDX
1 stop4h 22m
Delta
Deal found 5/9![Delta logo]()
$328
This United Airlines deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/308:50 am
PDX
- COD
1 stop7h 30m
United Airlines
Mon 6/15:55 pm
COD
- PDX
1 stop6h 05m
United Airlines
Deal found 5/10![United Airlines logo]()
$453
This Delta deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/95:54 pm
PDX
- BZN
1 stop3h 48m
Delta
Tue 9/87:00 pm
BZN
- PDX
1 stop4h 41m
Delta
Deal found 5/12![Delta logo]()
$328
This Alaska Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 5/305:46 pm
PDX
- MSO
1 stop5h 13m
Alaska Airlines
Mon 6/18:02 pm
MSO
- PDX
2 stops25h 48m
Alaska Airlines
Deal found 5/8![Alaska Airlines logo]()
$371
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:30 am
PDX
- MSO
2 stops10h 53m
Delta
Mon 9/2812:50 pm
MSO
- PDX
2 stops6h 51m
Delta
Deal found 5/11![Delta logo]()
$338
This Alaska Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:46 pm
PDX
- MSO
1 stop5h 13m
Alaska Airlines
Mon 6/812:56 pm
MSO
- PDX
Nonstop1h 30m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 5/2311:16 am
PDX
- COD
2 stops29h 04m
United Airlines
Wed 5/275:55 pm
COD
- PDX
1 stop6h 03m
United Airlines
Deal found 5/8![United Airlines logo]()
$531
This Delta deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:45 am
PDX
- FCA
1 stop4h 40m
Delta
Sat 6/65:13 am
FCA
- PDX
1 stop4h 39m
Delta
Deal found 5/9![Delta logo]()
$342
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:05 am
PDX
- MSO
2 stops9h 19m
Delta
Fri 6/265:31 am
MSO
- PDX
1 stop4h 08m
Delta
Deal found 5/11![Delta logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 5/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/205:00 am
PDX
- MSO
1 stop17h 56m
Alaska Airlines
Wed 6/245:41 pm
MSO
- PDX
Nonstop1h 35m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$426
This United Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:50 pm
PDX
- BTM
1 stop26h 40m
United Airlines
Sun 6/710:15 am
BTM
- PDX
1 stop13h 45m
United Airlines
Deal found 5/12![United Airlines logo]()
$595
Last-minute flights from Portland to MontanaDiscover last-minute flight deals from Portland to Montana. Data last updated May 12, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Montana. Data last updated May 12, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 5/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:46 pm
PDX
- BZN
1 stop3h 56m
Alaska Airlines
Wed 6/31:57 pm
BZN
- PDX
1 stop3h 53m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 5/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:46 pm
PDX
- FCA
1 stop5h 12m
Alaska Airlines
Mon 6/14:14 pm
FCA
- PDX
Nonstop1h 35m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:46 pm
PDX
- BZN
1 stop3h 56m
Alaska Airlines
Sat 6/64:12 pm
BZN
- PDX
Nonstop1h 48m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/23:10 pm
PDX
- BIL
1 stop7h 04m
Delta
Sat 6/65:30 am
BIL
- PDX
1 stop4h 22m
Delta
Deal found 5/11![Delta logo]()
$247
This Delta deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:51 pm
PDX
- BZN
1 stop4h 28m
Delta
Tue 6/912:13 pm
BZN
- PDX
1 stop5h 06m
Delta
Deal found 5/9![Delta logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:46 pm
PDX
- BIL
1 stop4h 47m
Alaska Airlines
Sat 6/63:34 pm
BIL
- PDX
Nonstop2h 04m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$272
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:45 am
PDX
- FCA
1 stop4h 40m
Delta
Mon 6/81:29 pm
FCA
- PDX
1 stop5h 53m
Delta
Deal found 5/11![Delta logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 5/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/312:03 pm
PDX
- BIL
Nonstop1h 51m
Alaska Airlines
Sat 6/63:34 pm
BIL
- PDX
Nonstop2h 04m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$262
This United Airlines deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:00 am
PDX
- BZN
1 stop7h 20m
United Airlines
Sat 6/64:20 pm
BZN
- PDX
1 stop5h 50m
United Airlines
Deal found 5/9![United Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/45:51 pm
PDX
- BZN
1 stop4h 28m
Delta
Sun 6/77:30 pm
BZN
- PDX
1 stop5h 16m
Delta
Deal found 5/11![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:51 pm
PDX
- BZN
1 stop4h 28m
Delta
Mon 6/88:25 am
BZN
- PDX
1 stop4h 17m
Delta
Deal found 5/11![Delta logo]()
$257
This Trip.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:46 pm
PDX
- BZN
1 stop3h 56m
Alaska Airlines
Mon 6/84:12 pm
BZN
- PDX
Nonstop1h 48m
Alaska Airlines
Deal found 5/10![Alaska Airlines logo]()
$266
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 May 12, 2026.
Search for one-way flight options from Portland to Montana. Find affordable one-way fares based on user searches. Data last updated May 12, 2026.
This United Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:30 am
PDX
- BZN
1 stop6h 05m
United Airlines
Deal found 5/12![United Airlines logo]()
$114
This Alaska Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 6/55:46 pm
PDX
- BZN
1 stop3h 56m
Alaska Airlines
Deal found 5/8![Alaska Airlines logo]()
$119
This Expedia deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:46 pm
PDX
- MSO
1 stop5h 13m
Alaska Airlines
Deal found 5/8![Alaska Airlines logo]()
$129
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:51 pm
PDX
- BZN
1 stop4h 28m
Delta
Deal found 5/11![Delta logo]()
$134
This Southwest deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/116:00 pm
PDX
- BZN
1 stop6h 10m
Southwest
Deal found 5/12![Southwest logo]()
$138
This Expedia deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:46 pm
PDX
- MSO
1 stop5h 13m
Alaska Airlines
Deal found 5/10![Alaska Airlines logo]()
$139
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/63:30 pm
PDX
- BIL
2 stops6h 22m
Delta
Deal found 5/11![Delta logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/257:17 pm
PDX
- BZN
1 stop12h 57m
Allegiant Air
Deal found 5/12![Allegiant Air logo]()
$145
This Delta deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 6/23:30 pm
PDX
- MSO
2 stops7h 52m
Delta
Deal found 5/8![Delta logo]()
$149
This Delta deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:45 am
PDX
- MSO
1 stop5h 49m
Delta
Deal found 5/9![Delta logo]()
$154
This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:00 am
PDX
- BZN
1 stop7h 20m
United Airlines
Deal found 5/11![United Airlines logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:38 pm
PDX
- BZN
1 stop19h 15m
Allegiant Air
Deal found 5/9![Allegiant Air logo]()
$161
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 May 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $217 (Alaska Airlines) |
One-way from | $114 (United Airlines) |
Popular in | April |
Cheapest in | January |
Average price | $373 |
Good round-trip deal | $216 or less |
Good one-way deal | $249 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 2,558,603 searches. Data last updated May 12, 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 - BZN
PDXBZN
Portland
Tue 6/2
5:46 pm-10:42 pm
1 stop3h 56m
Bozeman Gallatin Field
Sat 6/6
4:12 pm-5:00 pm
Nonstop1h 48m
$217
PortlandBillings
PDX - BIL
PDXBIL
Portland
Wed 6/3
5:05 pm-10:52 pm
1 stop4h 47m
Billings Logan Intl
Sat 6/6
5:30 am-8:52 am
1 stop4h 22m
$247
PortlandBillings
PDX - BIL
PDXBIL
Portland
Tue 6/2
5:46 pm-11:33 pm
1 stop4h 47m
Billings Logan Intl
Sat 6/6
3:34 pm-4:38 pm
Nonstop2h 04m
$272
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Sat 5/30
5:46 pm-10:42 pm
1 stop3h 56m
Bozeman Gallatin Field
Wed 6/3
4:12 pm-5:00 pm
Nonstop1h 48m
$273
PortlandKalispell
PDX - FCA
PDXFCA
Portland
Tue 6/2
5:05 pm-11:14 pm
1 stop5h 09m
Kalispell Glacier Park
Mon 6/8
5:19 am-8:39 am
1 stop4h 20m
$282
PortlandBillings
PDX - BIL
PDXBIL
Portland
Wed 6/3
12:03 pm-2:54 pm
Nonstop1h 51m
Billings Logan Intl
Sat 6/6
7:21 pm-8:02 am
1 stop13h 41m
$285
PortlandBillings
PDX - BIL
PDXBIL
Portland
Fri 6/5
3:30 pm-10:52 pm
2 stops6h 22m
Billings Logan Intl
Sat 6/20
5:20 am-8:35 am
1 stop4h 15m
$302
PortlandKalispell
PDX - FCA
PDXFCA
Portland
Fri 6/5
5:05 pm-11:14 pm
1 stop5h 09m
Kalispell Glacier Park
Fri 6/12
5:19 am-8:39 am
1 stop4h 20m
$317
Quickest round-trip
PortlandKalispell
PDX - FCA
PDXFCA
Portland
Sat 5/30
2:33 pm-5:00 pm
Nonstop1h 27m
Kalispell Glacier Park
Mon 6/1
4:14 pm-4:49 pm
Nonstop1h 35m
$318
PortlandBillings
PDX - BIL
PDXBIL
Portland
Tue 8/4
5:47 am-11:07 am
1 stop4h 20m
Billings Logan Intl
Tue 8/11
5:10 am-8:37 am
1 stop4h 27m
$327
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-FCA
PDX-BIL
PDX-MSO
PDX-GTF
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-FCA
PDX-BIL
PDX-MSO
How far ahead should I book a flight from Portland to Montana?
The best time to book flights from Portland to Montana is 78 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 month to book a flight from Portland to Montana?
Currently, March is the cheapest month in which you can book a flight from Portland to Montana (average of $88). Flying from Portland to Montana in February is currently the most expensive (average of $157). 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 May 12, 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 45% on your trip compared to booking a flight at noon.
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 May 9, 2026.
Travelers seeking maximum savings on their Portland to Montana flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
How much does it cost to fly round-trip from Portland to Montana?
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 May 12, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andHawaiian Airlines from Portland to Montana by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.8
Overall
7.9
Food
7.0
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Comfort
7.8
Overall
7.9
Food
7.0
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Comfort
7.8
Overall
7.9
Food
7.0
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Comfort
7.8
Overall
7.9
Food
7.0
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Comfort
7.8
Overall
7.9
Food
7.0
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Related info for your journey
Find useful and relevant information for your journey from Portland to Montana. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Portland to Montana
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Complete your trip
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Search flights from Portland to Montana by cabin class
Find flights from Portland to Montana, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Montana flights
Browse other Portland and Montana flight options. Last updated on May 12, 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 4 airlines flying from Portland to Montana
Discover the top 4 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 May 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$375 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$88 | Average$312 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$137 | Average$382 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$184 | Average$334 | FlexibilityNo cancel fee | On-time69% |