$98+ Cheap flights from Montana to Washington
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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SEA
Jul 1 — Jul 81
Round-trip
1 adult, Economy
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Cheapest flights from Montana to WashingtonExplore the most affordable flight options available from Montana to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 1, 2026.
Explore the most affordable flight options available from Montana to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 1, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:41 pm
HLN
- SEA
Nonstop1h 52m
Alaska Airlines
Wed 11/111:28 pm
SEA
- HLN
Nonstop1h 36m
Alaska Airlines
Deal found 5/27![Alaska Airlines logo]()
$187
This Trip.com deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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 11/74:57 pm
GTF
- SEA
Nonstop1h 50m
Alaska Airlines
Sat 11/141:42 pm
SEA
- GTF
Nonstop1h 35m
Alaska Airlines
Deal found 5/28![Alaska Airlines logo]()
$193
This Alaska Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:18 pm
GTF
- SEA
Nonstop1h 49m
Alaska Airlines
Sun 9/62:08 pm
SEA
- GTF
Nonstop1h 37m
Alaska Airlines
Deal found 5/27![Alaska Airlines logo]()
$207
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:30 am
BZN
- SEA
Nonstop2h 12m
Delta
Tue 10/277:35 pm
SEA
- BZN
Nonstop1h 46m
Delta
Deal found 5/31![Delta logo]()
$207
This Alaska Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:01 am
BIL
- SEA
Nonstop2h 09m
Alaska Airlines
Wed 10/283:58 pm
SEA
- BIL
Nonstop1h 54m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$207
This Delta deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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 11/71:10 pm
GTF
- SEA
1 stop4h 43m
Delta
Sat 11/1411:25 am
SEA
- GTF
1 stop5h 18m
Delta
Deal found 5/28![Delta logo]()
$216
This Alaska Airlines deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:18 pm
GTF
- SEA
Nonstop1h 49m
Alaska Airlines
Mon 9/72:08 pm
SEA
- GTF
Nonstop1h 37m
Alaska Airlines
Deal found 5/30![Alaska Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2412:50 pm
HLN
- SEA
1 stop6h 40m
Delta
Mon 10/265:45 am
SEA
- HLN
1 stop5h 39m
Delta
Deal found 5/28![Delta logo]()
$217
This Delta deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/224:24 pm
BZN
- SEA
Nonstop2h 05m
Delta
Mon 8/247:50 pm
SEA
- BZN
Nonstop1h 52m
Delta
Deal found 5/27![Delta logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:43 pm
BZN
- PDX
Nonstop1h 52m
Alaska Airlines
Tue 9/2210:33 am
PDX
- BZN
Nonstop1h 51m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:00 am
MSO
- SEA
Nonstop1h 47m
Alaska Airlines
Wed 11/1112:57 pm
SEA
- MSO
Nonstop1h 37m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$227
This Delta deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/612:50 pm
HLN
- SEA
1 stop5h 03m
Delta
Sun 11/85:45 am
SEA
- HLN
1 stop5h 39m
Delta
Deal found 5/27![Delta logo]()
$227
Best flights from Montana to WashingtonDiscover carefully curated flight deals from Montana to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 1, 2026.
Discover carefully curated flight deals from Montana to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 1, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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 11/74:41 pm
HLN
- SEA
Nonstop1h 52m
Alaska Airlines
Wed 11/111:28 pm
SEA
- HLN
Nonstop1h 36m
Alaska Airlines
Deal found 5/28![Alaska Airlines logo]()
$187
This Delta deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:10 pm
GTF
- SEA
1 stop6h 20m
Delta
Sat 11/1411:25 am
SEA
- GTF
1 stop5h 18m
Delta
Deal found 5/27![Delta logo]()
$216
This Southwest deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:05 pm
BZN
- PDX
1 stop7h 00m
Southwest
Tue 8/184:00 pm
PDX
- BZN
1 stop5h 25m
Southwest
Deal found 5/29![Southwest logo]()
$234
This United Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/242:29 pm
BIL
- SEA
2 stops11h 36m
United Airlines
Wed 10/283:51 pm
SEA
- BIL
1 stop5h 50m
United Airlines
Deal found 5/27![United Airlines logo]()
$342
This Alaska Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:15 pm
GTF
- SEA
Nonstop1h 53m
Alaska Airlines
Wed 10/281:59 pm
SEA
- GTF
Nonstop1h 36m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:25 am
BZN
- SEA
Nonstop2h 05m
Delta
Tue 9/157:50 pm
SEA
- BZN
Nonstop1h 50m
Delta
Deal found 5/31![Delta logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:01 am
BIL
- SEA
Nonstop2h 09m
Alaska Airlines
Wed 10/283:58 pm
SEA
- BIL
Nonstop1h 54m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$207
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:25 am
BZN
- SEA
Nonstop2h 05m
Delta
Mon 9/145:25 am
SEA
- BZN
1 stop5h 38m
Delta
Deal found 5/31![Delta logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:43 pm
BZN
- PDX
Nonstop1h 52m
Alaska Airlines
Tue 9/2210:33 am
PDX
- BZN
Nonstop1h 51m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:24 pm
BZN
- SEA
1 stop7h 41m
Delta
Mon 8/2411:40 am
SEA
- BZN
Nonstop1h 54m
Delta
Deal found 5/27![Delta logo]()
$227
This Southwest deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/133:30 pm
BZN
- PDX
1 stop8h 15m
Southwest
Mon 8/178:00 am
PDX
- BZN
1 stop5h 50m
Southwest
Deal found 5/27![Southwest logo]()
$275
This Alaska Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/273:35 pm
BZN
- SEA
1 stop4h 21m
Alaska Airlines
Sat 10/318:37 am
SEA
- BZN
1 stop3h 45m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$227
This Southwest deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:00 pm
BZN
- PDX
2 stops9h 20m
Southwest
Tue 8/255:50 am
PDX
- BZN
1 stop6h 35m
Southwest
Deal found 5/30![Southwest logo]()
$282
This Delta deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:22 pm
GTF
- SEA
1 stop4h 43m
Delta
Mon 9/711:05 am
SEA
- GTF
1 stop5h 37m
Delta
Deal found 5/30![Delta logo]()
$236
This Alaska Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:44 pm
BIL
- PDX
Nonstop2h 06m
Alaska Airlines
Tue 10/135:45 pm
PDX
- BIL
1 stop5h 05m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:00 am
BZN
- PDX
1 stop3h 41m
Delta
Tue 9/229:43 am
PDX
- BZN
1 stop3h 53m
Delta
Deal found 5/31![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/217:00 pm
BZN
- SEA
1 stop6h 35m
Southwest
Wed 7/224:35 pm
SEA
- BZN
1 stop7h 15m
Southwest
Deal found 5/31![Southwest logo]()
$302
This Delta deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:25 pm
BIL
- SEA
1 stop6h 46m
Delta
Fri 10/305:45 am
SEA
- BIL
1 stop4h 19m
Delta
Deal found 5/30![Delta logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/53:54 pm
BZN
- PDX
Nonstop1h 56m
Alaska Airlines
Sat 11/710:31 am
PDX
- BZN
Nonstop1h 39m
Alaska Airlines
Deal found 5/28![Alaska Airlines logo]()
$268
This Southwest deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:00 pm
BZN
- PDX
1 stop5h 55m
Southwest
Sun 7/1212:25 pm
PDX
- BZN
2 stops10h 50m
Southwest
Deal found 5/29![Southwest logo]()
$327
This Delta deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:25 pm
BIL
- PDX
1 stop5h 16m
Delta
Mon 9/145:50 am
PDX
- BIL
1 stop5h 27m
Delta
Deal found 5/27![Delta logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/304:16 pm
MSO
- SEA
Nonstop1h 44m
Alaska Airlines
Tue 9/17:08 am
SEA
- MSO
1 stop5h 17m
Alaska Airlines
Deal found 5/30![Alaska Airlines logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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 6/197:59 pm
MSO
- SEA
Nonstop1h 34m
Alaska Airlines
Sun 6/219:27 pm
SEA
- MSO
Nonstop1h 29m
Alaska Airlines
Deal found 5/28![Alaska Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:13 am
MSO
- SEA
1 stop6h 46m
Delta
Sun 8/309:35 am
SEA
- MSO
1 stop7h 12m
Delta
Deal found 5/31![Delta logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:21 pm
FCA
- SEA
Nonstop1h 37m
Alaska Airlines
Tue 9/228:35 pm
SEA
- FCA
Nonstop1h 21m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:10 pm
FCA
- SEA
1 stop7h 01m
Delta
Tue 12/15:45 am
SEA
- FCA
1 stop5h 04m
Delta
Deal found 5/30![Delta logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:18 pm
HLN
- SEA
Nonstop1h 56m
Alaska Airlines
Wed 9/162:05 pm
SEA
- HLN
Nonstop1h 36m
Alaska Airlines
Deal found 5/28![Alaska Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/811:59 am
FCA
- SEA
1 stop5h 54m
Delta
Thu 10/225:45 am
SEA
- FCA
1 stop5h 04m
Delta
Deal found 5/31![Delta logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/85:09 pm
HLN
- SEA
Nonstop1h 52m
Alaska Airlines
Wed 8/121:57 pm
SEA
- HLN
Nonstop1h 35m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:27 pm
MSO
- SEA
1 stop6h 32m
Delta
Sat 8/225:50 pm
SEA
- MSO
1 stop4h 22m
Delta
Deal found 5/31![Delta logo]()
$322
Last-minute flights from Montana to WashingtonDiscover last-minute flight deals from Montana to Washington. Data last updated June 1, 2026 and is based on user searches.
Discover last-minute flight deals from Montana to Washington. Data last updated June 1, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/244:29 pm
BZN
- SEA
1 stop5h 41m
United Airlines
Thu 6/252:33 pm
SEA
- BZN
1 stop5h 41m
United Airlines
Deal found 5/30![United Airlines logo]()
$302
This Alaska Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/255:09 pm
HLN
- SEA
Nonstop1h 52m
Alaska Airlines
Tue 6/301:57 pm
SEA
- HLN
Nonstop1h 35m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/296:33 am
FCA
- SEA
Nonstop1h 32m
Alaska Airlines
Mon 7/61:33 pm
SEA
- FCA
Nonstop1h 21m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:20 am
BIL
- PDX
1 stop4h 19m
Delta
Mon 8/245:08 pm
PDX
- BIL
1 stop4h 17m
Delta
Deal found 6/1![Delta logo]()
$297
This Southwest deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/27:15 pm
BZN
- PDX
1 stop6h 15m
Southwest
Sun 7/55:00 am
PDX
- BZN
1 stop5h 30m
Southwest
Deal found 5/30![Southwest logo]()
$301
This CheapOair deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:00 am
BIL
- SEA
Nonstop2h 12m
Alaska Airlines
Wed 7/298:59 pm
SEA
- BIL
Nonstop1h 52m
Alaska Airlines
Deal found 5/29![Alaska Airlines logo]()
$297
This CheapOair deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/103:43 pm
BIL
- PDX
Nonstop2h 03m
Alaska Airlines
Sat 7/1812:13 pm
PDX
- BIL
Nonstop1h 50m
Alaska Airlines
Deal found 5/29![Alaska Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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 7/107:15 pm
BZN
- SEA
1 stop6h 40m
Southwest
Wed 7/221:30 pm
SEA
- BZN
2 stops10h 20m
Southwest
Deal found 5/28![Southwest logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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.
Mon 7/139:59 am
BIL
- SEA
1 stop25h 40m
Multiple Airlines
Thu 7/168:53 pm
SEA
- BIL
1 stop11h 21m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$266
This Southwest deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:00 pm
BZN
- PDX
1 stop5h 55m
Southwest
Tue 7/215:55 pm
PDX
- BZN
1 stop5h 55m
Southwest
Deal found 5/30![Southwest logo]()
$247
This SmartFares deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:58 pm
BZN
- SEA
Nonstop2h 04m
Alaska Airlines
Thu 7/2311:29 am
SEA
- BZN
Nonstop1h 40m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$303
This Southwest deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:15 pm
BZN
- PDX
1 stop6h 20m
Southwest
Tue 7/285:55 pm
PDX
- BZN
1 stop5h 55m
Southwest
Deal found 5/30![Southwest logo]()
$261
One-way flights from Montana to WashingtonSearch for one-way flight options from Montana to Washington. Find affordable one-way fares based on user searches. Data last updated June 1, 2026.
Search for one-way flight options from Montana to Washington. Find affordable one-way fares based on user searches. Data last updated June 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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.
Mon 7/2010:19 am
GTF
- SEA
1 stop25h 20m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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.
Sun 7/2610:24 am
MSO
- SEA
1 stop25h 15m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$104
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:25 am
BZN
- SEA
Nonstop2h 05m
Delta
Deal found 6/1![Delta logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/24:48 pm
BZN
- SEA
1 stop18h 51m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$113
This Southwest deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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 7/147:00 pm
BZN
- PDX
1 stop5h 55m
Southwest
Deal found 5/28![Southwest logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:19 am
GTF
- SEA
1 stop25h 16m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/610:24 am
MSO
- SEA
1 stop25h 15m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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 7/1610:24 am
MSO
- SEA
1 stop25h 15m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$118
This Southwest deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:55 am
BZN
- SEA
2 stops9h 15m
Southwest
Deal found 5/31![Southwest logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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 7/2310:24 am
MSO
- SEA
1 stop25h 15m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$122
This Delta deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” 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 8/196:27 pm
MSO
- SEA
1 stop4h 38m
Delta
Deal found 5/28![Delta logo]()
$124
This Expedia deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:11 pm
HLN
- SEA
Nonstop1h 57m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$124
Find flight deals from Montana to Washington
Keep the following information in mind while searching for Montana to Washington flight deals. Data was last updated June 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $187 (Alaska Airlines) |
One-way from | $98 (Kiwi.com) |
Popular in | July |
Cheapest in | December |
Average price | $318 |
Good round-trip deal | $327 or less |
Good one-way deal | $181 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Montana to Washington 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 June 1, 2026.
Use the filters below to find and compare flights from Montana to Washington that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HelenaSeattle
HLN - SEA
HLNSEA
Helena
Sat 11/7
4:41 pm-5:33 pm
Nonstop1h 52m
Seattle/Tacoma Intl
Wed 11/11
1:28 pm-4:04 pm
Nonstop1h 36m
$187
Great FallsSeattle
GTF - SEA
GTFSEA
Great Falls
Sat 10/24
5:15 pm-6:08 pm
Nonstop1h 53m
Seattle/Tacoma Intl
Wed 10/28
1:59 pm-4:35 pm
Nonstop1h 36m
$197
BillingsSeattle
BIL - SEA
BILSEA
Billings Logan Intl
Sat 10/24
6:01 am-7:10 am
Nonstop2h 09m
Seattle/Tacoma Intl
Wed 10/28
3:58 pm-6:52 pm
Nonstop1h 54m
$207
Great FallsSeattle
GTF - SEA
GTFSEA
Great Falls
Sat 11/7
1:10 pm-6:30 pm
1 stop6h 20m
Seattle/Tacoma Intl
Sat 11/14
11:25 am-5:43 pm
1 stop5h 18m
$216
BozemanSeattle
BZN - SEA
BZNSEA
Bozeman Gallatin Field
Thu 9/3
8:25 am-9:30 am
Nonstop2h 05m
Seattle/Tacoma Intl
Tue 9/15
7:50 pm-10:40 pm
Nonstop1h 50m
$217
BozemanPortland
BZN - PDX
BZNPDX
Bozeman Gallatin Field
Thu 9/17
3:43 pm-4:35 pm
Nonstop1h 52m
Portland
Tue 9/22
10:33 am-1:24 pm
Nonstop1h 51m
$217
BozemanSeattle
BZN - SEA
BZNSEA
Bozeman Gallatin Field
Wed 9/2
8:25 am-9:30 am
Nonstop2h 05m
Seattle/Tacoma Intl
Mon 9/14
5:25 am-12:03 pm
1 stop5h 38m
$227
BozemanSeattle
BZN - SEA
BZNSEA
Bozeman Gallatin Field
Sat 8/22
3:24 pm-10:05 pm
1 stop7h 41m
Seattle/Tacoma Intl
Mon 8/24
11:40 am-2:34 pm
Nonstop1h 54m
$227
BozemanSeattle
BZN - SEA
BZNSEA
Bozeman Gallatin Field
Tue 10/27
3:35 pm-6:56 pm
1 stop4h 21m
Seattle/Tacoma Intl
Sat 10/31
8:37 am-1:22 pm
1 stop3h 45m
$227
BozemanPortland
BZN - PDX
BZNPDX
Bozeman Gallatin Field
Thu 8/13
5:05 pm-11:05 pm
1 stop7h 00m
Portland
Tue 8/18
4:00 pm-10:25 pm
1 stop5h 25m
$234
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Montana to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from Montana with our price prediction graph.
BZN-PDX
BIL-SEA
BIL-PDX
FCA-SEA
BZN-SEA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Montana to Washington
USMT-USWA
BZN-PDX
BIL-SEA
BIL-PDX
FCA-SEA
What is the cheapest month to book a flight from Montana to State of Washington?
Currently, March is the cheapest month in which you can book a flight from Montana to State of Washington (average of $48). Flying from Montana to State of Washington in August is currently the most expensive (average of $149). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from MT to WA?
Find hourly flight availability from Montana to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 1, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 56% on flights from Montana to State of Washington by exploring options for tickets in the afternoon.
Weekly flight availability from Montana to State of Washington
Explore weekly flight availability from Montana to Washington. 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 June 1, 2026.
The most flights from USMT to USWA are scheduled on a Monday (17 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (7 on average).
How much does it cost to fly round-trip from Montana to State of Washington?
How far ahead should I book a flight from Montana to State of Washington?
To ensure you get the cheapest price possible for a flight from Montana to State of Washington, you should look to book at least 62 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from Montana to State of Washington?
Use this chart to determine the cheapest time to fly round-trip from Montana to Washington. Price data was last updated on May 23, 2026.
Travelers seeking maximum savings on their Montana to State of Washington flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Washington
Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated June 1, 2026.
Read reviews from past customers who have flown Alaska Airlines,Delta, andHawaiian Airlines from Montana to Washington. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Related info for your journey
Find useful and relevant information for your journey from Montana to Washington. 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 Montana to Washington
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Washington by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Montana to Washington by cabin class
Find flights from Montana to Washington, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Montana and Washington flights
Browse other Montana and Washington flight options. Last updated on June 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Washington
Find the right flight back to Montana after your stay in Washington
Montana to Washington flights
Consider these flights traveling from Montana to Washington.
Top 3 airlines flying from Montana to Washington
Discover the top 3 airlines that operate flights from Montana to Washington. 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 June 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$275 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$117 | Average$227 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$127 | Average$295 | FlexibilityNo cancel fee | On-time75% |