$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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BZN
Jun 6 — Jun 131
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 May 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 May 7, 2026.
This Delta deal was found by Cheapflights users on 5/2. 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.
Tue 5/263:10 pm
PDX
- BIL
1 stop7h 04m
Delta
Sat 5/306:19 pm
BIL
- PDX
1 stop5h 21m
Delta
Deal found 5/2![Delta logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 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 5/6![Alaska Airlines logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 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 5/6![Alaska Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 5/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:55 pm
PDX
- BZN
1 stop5h 50m
Southwest
Sat 7/44:10 pm
BZN
- PDX
1 stop5h 10m
Southwest
Deal found 5/5![Southwest logo]()
$241
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:35 am
PDX
- BZN
Nonstop1h 42m
Alaska Airlines
Sat 5/304:12 pm
BZN
- PDX
Nonstop1h 48m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$248
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/194:25 pm
PDX
- BZN
1 stop7h 45m
Southwest
Tue 6/237:10 pm
BZN
- PDX
1 stop5h 40m
Southwest
Deal found 5/6![Southwest logo]()
$251
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:00 pm
PDX
- BZN
1 stop6h 10m
Southwest
Fri 6/127:15 pm
BZN
- PDX
1 stop6h 15m
Southwest
Deal found 5/6![Southwest logo]()
$256
This Alaska Airlines deal was found by Cheapflights users on 5/2. 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 5/2310:52 am
PDX
- MSO
Nonstop1h 31m
Alaska Airlines
Wed 5/2712:56 pm
MSO
- PDX
Nonstop1h 30m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 5/4. 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.
Thu 5/283:10 pm
PDX
- BIL
1 stop7h 04m
Delta
Sun 5/315:30 am
BIL
- PDX
1 stop4h 22m
Delta
Deal found 5/4![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 5/4. 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.
Thu 6/49:20 am
PDX
- BZN
1 stop4h 55m
Delta
Sun 6/75:15 am
BZN
- PDX
1 stop4h 24m
Delta
Deal found 5/4![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 5/6. 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 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
Tue 6/912:22 pm
FCA
- PDX
1 stop7h 00m
Delta
Deal found 5/6![Delta logo]()
$257
This Vliegwinkel 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:50 pm
PDX
- BZN
1 stop3h 52m
Alaska Airlines
Mon 6/14:12 pm
BZN
- PDX
Nonstop1h 48m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$262
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 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 May 7, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 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 5/6![Alaska Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 5/4. 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.
Sat 5/305:01 pm
PDX
- BZN
1 stop4h 01m
Delta
Wed 6/38:00 am
BZN
- PDX
1 stop4h 37m
Delta
Deal found 5/4![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:55 pm
PDX
- BZN
1 stop5h 50m
Southwest
Thu 7/27:15 pm
BZN
- PDX
1 stop6h 15m
Southwest
Deal found 5/6![Southwest logo]()
$251
This United Airlines deal was found by Cheapflights users on 5/6. 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 5/215:00 am
PDX
- COD
1 stop7h 19m
United Airlines
Mon 5/255:15 am
COD
- PDX
1 stop5h 32m
United Airlines
Deal found 5/6![United Airlines logo]()
$466
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 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 5/6![Alaska Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 5/5. 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 5/305:01 pm
PDX
- FCA
1 stop5h 13m
Delta
Mon 6/812:22 pm
FCA
- PDX
1 stop7h 00m
Delta
Deal found 5/5![Delta logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:46 pm
PDX
- FCA
1 stop5h 12m
Alaska Airlines
Sat 6/64:14 pm
FCA
- PDX
Nonstop1h 35m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$267
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/283:30 pm
PDX
- FCA
2 stops6h 44m
Delta
Sat 6/65:13 am
FCA
- PDX
1 stop4h 39m
Delta
Deal found 5/6![Delta logo]()
$272
This Alaska Airlines deal was found by Cheapflights users on 5/3. 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 5/3010:52 am
PDX
- MSO
Nonstop1h 31m
Alaska Airlines
Wed 6/312:56 pm
MSO
- PDX
Nonstop1h 30m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$268
This Delta deal was found by Cheapflights users on 5/2. 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.
Wed 6/35:30 am
PDX
- MSO
2 stops10h 54m
Delta
Sat 6/65:30 am
MSO
- PDX
1 stop4h 22m
Delta
Deal found 5/2![Delta logo]()
$282
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:00 pm
PDX
- BZN
1 stop6h 10m
Southwest
Fri 6/124:30 pm
BZN
- PDX
2 stops9h 00m
Southwest
Deal found 5/6![Southwest logo]()
$344
This Alaska Airlines deal was found by Cheapflights users on 5/2. 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.
Wed 9/3010:30 am
PDX
- BZN
Nonstop1h 54m
Alaska Airlines
Sat 10/34:00 pm
BZN
- PDX
Nonstop1h 50m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 5/2. 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.
Wed 6/175:55 pm
PDX
- BZN
1 stop5h 50m
Southwest
Tue 6/233:55 pm
BZN
- PDX
2 stops9h 10m
Southwest
Deal found 5/2![Southwest logo]()
$364
This Delta deal was found by Cheapflights users on 5/4. 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.
Thu 5/283:30 pm
PDX
- MSO
2 stops7h 52m
Delta
Mon 6/15:30 am
MSO
- PDX
1 stop4h 22m
Delta
Deal found 5/4![Delta logo]()
$302
This Southwest deal was found by Cheapflights users on 5/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1112:40 pm
PDX
- BZN
2 stops8h 45m
Southwest
Sun 9/1312:05 pm
BZN
- PDX
1 stop8h 15m
Southwest
Deal found 5/5![Southwest logo]()
$365
This Alaska Airlines deal was found by Cheapflights users on 5/2. 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 5/2612:03 pm
PDX
- BIL
Nonstop1h 51m
Alaska Airlines
Sat 5/307:21 pm
BIL
- PDX
1 stop13h 41m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$305
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/23:30 pm
PDX
- FCA
2 stops6h 44m
Delta
Tue 6/96:10 pm
FCA
- PDX
2 stops6h 44m
Delta
Deal found 5/6![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 5/4. 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.
Tue 6/23:30 pm
PDX
- FCA
2 stops6h 44m
Delta
Tue 6/305:19 am
FCA
- PDX
2 stops7h 23m
Delta
Deal found 5/4![Delta logo]()
$308
This Alaska Airlines deal was found by Cheapflights users on 5/3. 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 5/3012:03 pm
PDX
- BIL
Nonstop1h 51m
Alaska Airlines
Wed 6/33:34 pm
BIL
- PDX
Nonstop2h 04m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$312
This United Airlines deal was found by Cheapflights users on 5/5. 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.
Sat 5/304:15 pm
PDX
- COD
1 stop5h 28m
United Airlines
Mon 6/15:55 pm
COD
- PDX
1 stop6h 05m
United Airlines
Deal found 5/5![United Airlines logo]()
$549
This Delta deal was found by Cheapflights users on 5/5. 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.
Fri 6/53:30 pm
PDX
- BIL
2 stops6h 22m
Delta
Sat 6/205:20 am
BIL
- PDX
1 stop4h 15m
Delta
Deal found 5/5![Delta logo]()
$313
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 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 5/6![Alaska Airlines logo]()
$340
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Fri 5/295:00 am
PDX
- BTM
1 stop16h 30m
United Airlines
Tue 6/210:15 am
BTM
- PDX
2 stops25h 05m
United Airlines
Deal found 5/2![United Airlines logo]()
$550
This Delta deal was found by Cheapflights users on 5/3. 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 6/269:45 am
PDX
- BIL
1 stop7h 15m
Delta
Mon 6/295:20 am
BIL
- PDX
1 stop4h 19m
Delta
Deal found 5/3![Delta logo]()
$317
This Delta deal was found by Cheapflights users on 5/3. 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 7/207:20 pm
PDX
- MSO
1 stop4h 08m
Delta
Sun 7/265:35 am
MSO
- PDX
1 stop4h 02m
Delta
Deal found 5/3![Delta logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 5/3. 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 5/308:44 am
PDX
- HLN
1 stop6h 22m
Alaska Airlines
Wed 6/34:43 pm
HLN
- PDX
1 stop5h 45m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$350
This United Airlines deal was found by Cheapflights users on 5/5. 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 7/36:50 pm
PDX
- BTM
1 stop26h 40m
United Airlines
Tue 7/710:15 am
BTM
- PDX
1 stop24h 32m
United Airlines
Deal found 5/5![United Airlines logo]()
$605
This Delta deal was found by Cheapflights users on 5/3. 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.
Sun 8/93:25 pm
PDX
- BZN
1 stop6h 17m
Delta
Tue 9/85:45 am
BZN
- PDX
1 stop4h 18m
Delta
Deal found 5/3![Delta logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 5/2. 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.
Thu 5/2810:52 am
PDX
- MSO
Nonstop1h 31m
Alaska Airlines
Sun 5/318:02 pm
MSO
- PDX
1 stop21h 53m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 5/4. 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 5/195:30 am
PDX
- COD
3 stops16h 15m
United Airlines
Sat 5/231:54 pm
COD
- PDX
2 stops11h 56m
United Airlines
Deal found 5/4![United Airlines logo]()
$615
Last-minute flights from Portland to MontanaDiscover last-minute flight deals from Portland to Montana. Data last updated May 7, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Montana. Data last updated May 7, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 5/2. 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 5/2310:52 am
PDX
- MSO
Nonstop1h 31m
Alaska Airlines
Wed 5/2712:56 pm
MSO
- PDX
Nonstop1h 30m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 5/2. 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.
Tue 5/263:10 pm
PDX
- BIL
1 stop7h 04m
Delta
Sat 5/306:19 pm
BIL
- PDX
1 stop5h 21m
Delta
Deal found 5/2![Delta logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:35 am
PDX
- BZN
Nonstop1h 42m
Alaska Airlines
Sat 5/304:12 pm
BZN
- PDX
Nonstop1h 48m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$248
This Delta deal was found by Cheapflights users on 5/4. 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.
Thu 5/283:10 pm
PDX
- BIL
1 stop7h 04m
Delta
Sun 5/315:30 am
BIL
- PDX
1 stop4h 22m
Delta
Deal found 5/4![Delta logo]()
$257
This Vliegwinkel 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:50 pm
PDX
- BZN
1 stop3h 52m
Alaska Airlines
Mon 6/14:12 pm
BZN
- PDX
Nonstop1h 48m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$262
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 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 5/6![Alaska Airlines logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 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 5/6![Alaska Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 5/6. 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 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
Tue 6/912:22 pm
FCA
- PDX
1 stop7h 00m
Delta
Deal found 5/6![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 5/4. 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.
Thu 6/49:20 am
PDX
- BZN
1 stop4h 55m
Delta
Sun 6/75:15 am
BZN
- PDX
1 stop4h 24m
Delta
Deal found 5/4![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:00 pm
PDX
- BZN
1 stop6h 10m
Southwest
Fri 6/127:15 pm
BZN
- PDX
1 stop6h 15m
Southwest
Deal found 5/6![Southwest logo]()
$256
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/194:25 pm
PDX
- BZN
1 stop7h 45m
Southwest
Tue 6/237:10 pm
BZN
- PDX
1 stop5h 40m
Southwest
Deal found 5/6![Southwest logo]()
$251
This Southwest deal was found by Cheapflights users on 5/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:55 pm
PDX
- BZN
1 stop5h 50m
Southwest
Sat 7/44:10 pm
BZN
- PDX
1 stop5h 10m
Southwest
Deal found 5/5![Southwest logo]()
$241
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 7, 2026.
Search for one-way flight options from Portland to Montana. Find affordable one-way fares based on user searches. Data last updated May 7, 2026.
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/75:55 pm
PDX
- BZN
1 stop5h 50m
Southwest
Deal found 5/6![Southwest logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Thu 8/136:58 pm
PDX
- FCA
1 stop24h 21m
Allegiant Air
Deal found 5/4![Allegiant Air logo]()
$117
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 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 5/6![Alaska Airlines logo]()
$119
This Alaska Airlines deal was found by Cheapflights users on 5/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:00 am
PDX
- FCA
1 stop4h 51m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$119
This United Airlines deal was found by Cheapflights users on 5/2. 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 5/237:00 am
PDX
- MSO
1 stop7h 38m
United Airlines
Deal found 5/2![United Airlines logo]()
$129
This Delta deal was found by Cheapflights users on 5/2. 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 5/293:10 pm
PDX
- BIL
1 stop7h 04m
Delta
Deal found 5/2![Delta logo]()
$129
This Delta deal was found by Cheapflights users on 5/4. 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.
Fri 6/57:00 pm
PDX
- BZN
1 stop3h 59m
Delta
Deal found 5/4![Delta logo]()
$129
This Alaska Airlines deal was found by Cheapflights users on 5/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:00 am
PDX
- FCA
1 stop4h 51m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$129
This Delta deal was found by Cheapflights users on 5/4. 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.
Tue 6/23:30 pm
PDX
- FCA
2 stops6h 44m
Delta
Deal found 5/4![Delta logo]()
$134
This Southwest deal was found by Cheapflights users on 5/2. 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.
Thu 8/64:20 pm
PDX
- BZN
1 stop5h 05m
Southwest
Deal found 5/2![Southwest logo]()
$138
This Alaska Airlines deal was found by Cheapflights users on 5/2. 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 5/295:00 am
PDX
- MSO
1 stop6h 16m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$139
This Delta deal was found by Cheapflights users on 5/3. 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 5/285:45 am
PDX
- FCA
1 stop4h 40m
Delta
Deal found 5/3![Delta logo]()
$139
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 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $237 (Delta) |
One-way from | $114 (Southwest) |
Popular in | April |
Cheapest in | January |
Average price | $368 |
Good round-trip deal | $207 or less |
Good one-way deal | $169 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 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
PDX - BZN
PDXBZN
Portland
Sat 5/30
5:46 pm-10:42 pm
1 stop3h 56m
Bozeman Gallatin Field
Wed 6/3
1:57 pm-4:50 pm
1 stop3h 53m
$237
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Sat 5/30
5:01 pm-10:02 pm
1 stop4h 01m
Bozeman Gallatin Field
Wed 6/3
8:00 am-11:37 am
1 stop4h 37m
$237
PortlandKalispell
PDX - FCA
PDXFCA
Portland
Sat 5/30
5:46 pm-11:58 pm
1 stop5h 12m
Kalispell Glacier Park
Mon 6/1
4:14 pm-4:49 pm
Nonstop1h 35m
$237
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Tue 6/30
5:55 pm-12:45 am
1 stop5h 50m
Bozeman Gallatin Field
Thu 7/2
7:15 pm-12:30 am
1 stop6h 15m
$251
PortlandKalispell
PDX - FCA
PDXFCA
Portland
Sat 5/30
5:01 pm-11:14 pm
1 stop5h 13m
Kalispell Glacier Park
Mon 6/8
12:22 pm-6:22 pm
1 stop7h 00m
$267
PortlandKalispell
PDX - FCA
PDXFCA
Portland
Thu 5/28
5:46 pm-11:58 pm
1 stop5h 12m
Kalispell Glacier Park
Sat 6/6
4:14 pm-4:49 pm
Nonstop1h 35m
$267
Quickest round-trip
PortlandMissoula
PDX - MSO
PDXMSO
Portland
Sat 5/30
10:52 am-1:23 pm
Nonstop1h 31m
Missoula Johnson-Bell Field
Wed 6/3
12:56 pm-1:26 pm
Nonstop1h 30m
$268
PortlandKalispell
PDX - FCA
PDXFCA
Portland
Thu 5/28
3:30 pm-11:14 pm
2 stops6h 44m
Kalispell Glacier Park
Sat 6/6
5:13 am-8:52 am
1 stop4h 39m
$272
PortlandMissoula
PDX - MSO
PDXMSO
Portland
Wed 6/3
5:30 am-5:24 pm
2 stops10h 54m
Missoula Johnson-Bell Field
Sat 6/6
5:30 am-8:52 am
1 stop4h 22m
$282
PortlandBozeman
PDX - BZN
PDXBZN
Portland
Wed 9/30
10:30 am-1:24 pm
Nonstop1h 54m
Bozeman Gallatin Field
Sat 10/3
4:00 pm-4:50 pm
Nonstop1h 50m
$299
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-COD
PDX-FCA
PDX-MSO
PDX-BIL
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-COD
PDX-FCA
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 7, 2026.
A simple way to save on the total cost of your ticket is to fly from Portland to Montana in the evening. If you’re flexible enough to do this you can expect to save up to 47% on your trip compared to booking a flight at noon.
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 2, 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.
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 May 7, 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?
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 7, 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.
Comfort
7.8
Food
7.1
Boarding
8.1
Crew
8.5
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Food
7.1
Boarding
8.1
Crew
8.5
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Food
7.1
Boarding
8.1
Crew
8.5
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Food
7.1
Boarding
8.1
Crew
8.5
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Food
7.1
Boarding
8.1
Crew
8.5
Entertainment
7.0
Overall
7.9
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.
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 May 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 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 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$363 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$88 | Average$315 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$137 | Average$381 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$184 | Average$334 | FlexibilityNo cancel fee | On-time69% |