$94+ Cheap flights from Washington 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BZN
Jul 29 — Aug 51
Round-trip
1 adult, Economy
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Cheapest flights from Washington to MontanaExplore the most affordable flight options available from Washington to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 29, 2026.
Explore the most affordable flight options available from Washington to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 29, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 9/262:05 pm
SEA
- HLN
Nonstop1h 36m
Alaska Airlines
Wed 9/305:18 pm
HLN
- SEA
Nonstop1h 56m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 10/2110:30 am
PDX
- BZN
Nonstop1h 52m
Alaska Airlines
Sat 10/243:35 pm
BZN
- PDX
Nonstop1h 52m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$187
This Alaska Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 10/12:05 pm
SEA
- HLN
Nonstop1h 36m
Alaska Airlines
Tue 10/64:48 pm
HLN
- SEA
Nonstop1h 53m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$187
This Alaska Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 10/12:02 pm
SEA
- GTF
Nonstop1h 37m
Alaska Airlines
Tue 10/65:15 pm
GTF
- SEA
Nonstop1h 53m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$187
This Alaska Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 9/211:47 am
SEA
- BZN
Nonstop1h 51m
Alaska Airlines
Tue 9/87:03 am
BZN
- SEA
Nonstop2h 05m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$187
This Alaska Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 10/12:02 pm
SEA
- GTF
Nonstop1h 37m
Alaska Airlines
Mon 10/55:15 pm
GTF
- SEA
Nonstop1h 53m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 8/198:16 pm
SEA
- BZN
Nonstop1h 43m
Alaska Airlines
Fri 8/212:21 pm
BZN
- SEA
Nonstop1h 58m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$197
This Kissandfly.com deal was found by Cheapflights users on 6/27. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:05 am
SEA
- BZN
Nonstop1h 49m
Alaska Airlines
Wed 9/307:03 am
BZN
- SEA
Nonstop2h 05m
Alaska Airlines
Deal found 6/27![Alaska Airlines logo]()
$202
This Trip.com deal was found by Cheapflights users on 6/28. 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 8/228:16 pm
SEA
- BZN
Nonstop1h 43m
Alaska Airlines
Sun 8/237:03 am
BZN
- SEA
Nonstop2h 05m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$205
This Alaska Airlines deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 9/158:35 pm
SEA
- BIL
Nonstop1h 54m
Alaska Airlines
Tue 9/226:14 am
BIL
- SEA
Nonstop2h 06m
Alaska Airlines
Deal found 6/26![Alaska Airlines logo]()
$207
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 9/265:45 am
SEA
- HLN
1 stop5h 32m
Delta
Wed 9/307:15 am
HLN
- SEA
1 stop6h 45m
Delta
Deal found 6/25![Delta logo]()
$207
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 8/195:45 am
SEA
- BZN
1 stop5h 20m
Delta
Mon 8/243:49 pm
BZN
- SEA
Nonstop2h 06m
Delta
Deal found 6/25![Delta logo]()
$207
Best flights from Washington to MontanaDiscover carefully curated flight deals from Washington to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 29, 2026.
Discover carefully curated flight deals from Washington to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 29, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/28. 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 9/262:05 pm
SEA
- HLN
Nonstop1h 36m
Alaska Airlines
Wed 9/305:18 pm
HLN
- SEA
Nonstop1h 56m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 9/265:45 am
SEA
- HLN
1 stop5h 32m
Delta
Wed 9/307:15 am
HLN
- SEA
1 stop6h 45m
Delta
Deal found 6/25![Delta logo]()
$207
This United Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 9/252:27 pm
SEA
- BZN
1 stop5h 37m
United Airlines
Tue 9/294:30 pm
BZN
- SEA
1 stop5h 45m
United Airlines
Deal found 6/25![United Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 6/27. 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.
Wed 9/167:40 am
SEA
- BZN
2 stops11h 20m
Southwest
Wed 9/306:55 am
BZN
- SEA
2 stops9h 35m
Southwest
Deal found 6/27![Southwest logo]()
$282
This Alaska Airlines deal was found by Cheapflights users on 6/28. 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 9/268:16 pm
SEA
- BZN
Nonstop1h 43m
Alaska Airlines
Tue 9/292:21 pm
BZN
- SEA
Nonstop1h 58m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$207
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 9/612:13 pm
SEA
- BZN
Nonstop1h 56m
Delta
Sat 9/121:08 pm
BZN
- SEA
1 stop6h 44m
Delta
Deal found 6/25![Delta logo]()
$207
This Delta deal was found by Cheapflights users on 6/28. 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.
Tue 9/295:45 am
SEA
- HLN
1 stop5h 32m
Delta
Fri 10/91:03 pm
HLN
- SEA
1 stop6h 49m
Delta
Deal found 6/28![Delta logo]()
$222
This Trip.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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.
Wed 8/121:57 pm
SEA
- HLN
Nonstop1h 35m
Alaska Airlines
Wed 8/195:11 pm
HLN
- SEA
Nonstop1h 57m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$236
This United Airlines deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:00 am
PDX
- BZN
1 stop7h 24m
United Airlines
Fri 9/44:32 pm
BZN
- PDX
1 stop5h 33m
United Airlines
Deal found 6/26![United Airlines logo]()
$275
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 10/25:45 am
SEA
- HLN
1 stop5h 32m
Delta
Mon 10/512:57 pm
HLN
- SEA
1 stop6h 39m
Delta
Deal found 6/25![Delta logo]()
$237
This United Airlines deal was found by Cheapflights users on 6/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:00 am
PDX
- BZN
1 stop7h 24m
United Airlines
Thu 8/274:32 pm
BZN
- PDX
1 stop7h 22m
United Airlines
Deal found 6/28![United Airlines logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 8/1810:09 am
SEA
- BIL
Nonstop1h 56m
Alaska Airlines
Tue 8/256:14 am
BIL
- SEA
Nonstop2h 06m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$252
This Delta deal was found by Cheapflights users on 6/28. 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.
Tue 9/295:45 am
SEA
- HLN
1 stop5h 32m
Delta
Sat 10/101:03 pm
HLN
- SEA
1 stop4h 49m
Delta
Deal found 6/28![Delta logo]()
$242
This Southwest deal was found by Cheapflights users on 6/28. 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 9/183:45 pm
SEA
- BZN
1 stop5h 40m
Southwest
Sun 9/206:30 am
BZN
- SEA
2 stops8h 30m
Southwest
Deal found 6/28![Southwest logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 6/27. 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.
Mon 8/241:58 pm
SEA
- HLN
Nonstop1h 36m
Alaska Airlines
Sat 8/295:11 pm
HLN
- SEA
Nonstop1h 57m
Alaska Airlines
Deal found 6/27![Alaska Airlines logo]()
$252
This Southwest deal was found by Cheapflights users on 6/28. 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 9/251:35 pm
PDX
- BZN
1 stop7h 50m
Southwest
Wed 9/302:00 pm
BZN
- PDX
2 stops7h 40m
Southwest
Deal found 6/28![Southwest logo]()
$330
This Alaska Airlines deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 9/172:02 pm
SEA
- GTF
Nonstop1h 37m
Alaska Airlines
Mon 9/215:19 pm
GTF
- SEA
Nonstop1h 49m
Alaska Airlines
Deal found 6/26![Alaska Airlines logo]()
$262
This Delta deal was found by Cheapflights users on 6/28. 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.
Tue 9/295:50 pm
SEA
- MSO
1 stop5h 28m
Delta
Fri 10/96:24 pm
MSO
- SEA
1 stop4h 41m
Delta
Deal found 6/28![Delta logo]()
$262
This Southwest deal was found by Cheapflights users on 6/27. 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.
Fri 8/2812:40 pm
PDX
- BZN
2 stops8h 45m
Southwest
Tue 9/12:00 pm
BZN
- PDX
2 stops9h 20m
Southwest
Deal found 6/27![Southwest logo]()
$335
This United Airlines deal was found by Cheapflights users on 6/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:35 am
SEA
- BIL
2 stops13h 18m
United Airlines
Tue 9/227:00 am
BIL
- SEA
2 stops9h 39m
United Airlines
Deal found 6/28![United Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 9/115:40 am
PDX
- BIL
1 stop5h 37m
Delta
Mon 9/146:33 pm
BIL
- PDX
1 stop6h 07m
Delta
Deal found 6/26![Delta logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 9/1112:08 pm
PDX
- BIL
Nonstop1h 54m
Alaska Airlines
Mon 9/143:42 pm
BIL
- PDX
Nonstop2h 02m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$287
This Southwest deal was found by Cheapflights users on 6/28. 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.
Mon 8/245:15 am
PDX
- BZN
2 stops8h 35m
Southwest
Thu 8/275:05 pm
BZN
- PDX
1 stop7h 00m
Southwest
Deal found 6/28![Southwest logo]()
$348
This Delta deal was found by Cheapflights users on 6/27. 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 8/145:45 am
PDX
- BIL
1 stop4h 22m
Delta
Wed 8/195:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 6/27![Delta logo]()
$282
This Alaska Airlines deal was found by Cheapflights users on 6/28. 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 10/249:59 am
SEA
- FCA
Nonstop1h 22m
Alaska Airlines
Tue 10/277:45 pm
FCA
- SEA
Nonstop1h 36m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 6/27. 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.
Tue 8/185:45 am
SEA
- BIL
1 stop4h 22m
Delta
Tue 8/2511:51 am
BIL
- SEA
1 stop6h 03m
Delta
Deal found 6/27![Delta logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 8/313:03 pm
PDX
- BZN
1 stop28h 42m
Alaska Airlines
Fri 9/43:35 pm
BZN
- PDX
Nonstop1h 52m
Alaska Airlines
Deal found 6/26![Alaska Airlines logo]()
$305
This Delta deal was found by Cheapflights users on 6/27. 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.
Tue 8/255:08 pm
PDX
- MSO
1 stop6h 10m
Delta
Sat 8/297:13 am
MSO
- PDX
1 stop5h 57m
Delta
Deal found 6/27![Delta logo]()
$298
This Alaska Airlines deal was found by Cheapflights users on 6/28. 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.
Sun 8/238:30 pm
SEA
- MSO
Nonstop1h 29m
Alaska Airlines
Mon 8/244:16 pm
MSO
- SEA
Nonstop1h 44m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 7/225:30 am
SEA
- BIL
1 stop4h 39m
Delta
Wed 7/295:20 am
BIL
- SEA
1 stop4h 42m
Delta
Deal found 6/25![Delta logo]()
$317
Last-minute flights from Washington to MontanaDiscover last-minute flight deals from Washington to Montana. Data last updated June 29, 2026 and is based on user searches.
Discover last-minute flight deals from Washington to Montana. Data last updated June 29, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 7/177:20 pm
PDX
- BZN
1 stop4h 03m
Delta
Wed 7/223:54 pm
BZN
- PDX
1 stop5h 08m
Delta
Deal found 6/25![Delta logo]()
$328
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 7/197:59 pm
SEA
- BZN
Nonstop1h 50m
Delta
Sat 7/253:55 pm
BZN
- SEA
Nonstop2h 04m
Delta
Deal found 6/25![Delta logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/218:08 am
SEA
- BIL
Nonstop1h 57m
Alaska Airlines
Sat 7/257:22 pm
BIL
- SEA
Nonstop2h 13m
Alaska Airlines
Deal found 6/29![Alaska Airlines logo]()
$312
This Expedia deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 7/228:59 pm
SEA
- BIL
Nonstop1h 52m
Alaska Airlines
Wed 7/297:22 pm
BIL
- SEA
Nonstop2h 13m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 7/225:30 am
SEA
- BIL
1 stop4h 39m
Delta
Wed 7/295:20 am
BIL
- SEA
1 stop4h 42m
Delta
Deal found 6/25![Delta logo]()
$317
This Southwest deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 7/2212:45 pm
SEA
- BZN
1 stop11h 05m
Southwest
Wed 7/297:00 pm
BZN
- SEA
1 stop6h 35m
Southwest
Deal found 6/24![Southwest logo]()
$318
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 7/225:45 am
PDX
- BIL
1 stop4h 24m
Delta
Wed 7/295:20 am
BIL
- PDX
1 stop4h 17m
Delta
Deal found 6/25![Delta logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 6/27. 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.
Fri 7/248:59 pm
SEA
- BIL
Nonstop1h 52m
Alaska Airlines
Fri 7/317:22 pm
BIL
- SEA
Nonstop2h 13m
Alaska Airlines
Deal found 6/27![Alaska Airlines logo]()
$327
This CheapOair deal was found by Cheapflights users on 6/29. 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.
Sun 7/268:05 am
SEA
- MSO
Nonstop1h 37m
Alaska Airlines
Mon 8/107:59 pm
MSO
- SEA
Nonstop1h 34m
Alaska Airlines
Deal found 6/29![Alaska Airlines logo]()
$333
This Alaska Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 7/288:05 am
SEA
- MSO
Nonstop1h 37m
Alaska Airlines
Mon 8/37:59 pm
MSO
- SEA
Nonstop1h 34m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 7/284:05 pm
PDX
- BZN
2 stops7h 45m
Southwest
Fri 7/317:15 pm
BZN
- PDX
1 stop6h 20m
Southwest
Deal found 6/24![Southwest logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 7/306:49 pm
PDX
- BIL
1 stop13h 25m
Multiple Airlines
Sat 8/13:40 pm
BIL
- PDX
1 stop27h 08m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$307
One-way flights from Washington to MontanaSearch for one-way flight options from Washington to Montana. Find affordable one-way fares based on user searches. Data last updated June 29, 2026.
Search for one-way flight options from Washington to Montana. Find affordable one-way fares based on user searches. Data last updated June 29, 2026.
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 9/227:59 pm
SEA
- BZN
Nonstop1h 50m
Delta
Deal found 6/25![Delta logo]()
$94
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 9/235:50 pm
SEA
- BZN
1 stop5h 25m
Delta
Deal found 6/25![Delta logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Wed 9/239:16 pm
SEA
- BZN
1 stop22h 36m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Wed 9/99:16 pm
SEA
- BZN
1 stop19h 38m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$112
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 9/2111:41 am
SEA
- BZN
Nonstop1h 56m
Delta
Deal found 6/26![Delta logo]()
$114
This Trip.com deal was found by Cheapflights users on 6/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:08 am
SEA
- BZN
1 stop5h 16m
Alaska Airlines
Deal found 6/27![Alaska Airlines logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Wed 8/128:13 pm
SEA
- MSO
1 stop12h 21m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$122
This Delta deal was found by Cheapflights users on 6/28. 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.
Tue 11/35:41 pm
SEA
- MSO
1 stop5h 40m
Delta
Deal found 6/28![Delta logo]()
$124
This Alaska Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 9/217:08 am
SEA
- BZN
1 stop5h 16m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$124
This United Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:00 am
SEA
- BZN
1 stop7h 24m
United Airlines
Deal found 6/24![United Airlines logo]()
$126
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 8/255:08 pm
PDX
- MSO
1 stop6h 10m
Delta
Deal found 6/25![Delta logo]()
$129
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 8/197:50 pm
SEA
- BZN
Nonstop1h 52m
Delta
Deal found 6/25![Delta logo]()
$129
Find flight deals from Washington to Montana
Keep the following information in mind while searching for Washington to Montana flight deals. Data was last updated June 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $177 (Alaska Airlines) |
One-way from | $94 (Delta) |
Popular in | June |
Cheapest in | March |
Average price | $358 |
Good round-trip deal | $262 or less |
Good one-way deal | $143 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington 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 June 29, 2026.
Use the filters below to find and compare flights from Washington to Montana that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleHelena
SEA - HLN
SEAHLN
Seattle/Tacoma Intl
Sat 9/26
2:05 pm-4:41 pm
Nonstop1h 36m
Helena
Wed 9/30
5:18 pm-6:14 pm
Nonstop1h 56m
$197
SeattleHelena
SEA - HLN
SEAHLN
Seattle/Tacoma Intl
Sat 9/26
5:45 am-12:17 pm
1 stop5h 32m
Helena
Wed 9/30
7:15 am-1:00 pm
1 stop6h 45m
$207
SeattleBozeman
SEA - BZN
SEABZN
Seattle/Tacoma Intl
Sat 9/26
8:16 pm-10:59 pm
Nonstop1h 43m
Bozeman Gallatin Field
Tue 9/29
2:21 pm-3:19 pm
Nonstop1h 58m
$207
SeattleBozeman
SEA - BZN
SEABZN
Seattle/Tacoma Intl
Sun 9/6
12:13 pm-3:09 pm
Nonstop1h 56m
Bozeman Gallatin Field
Sat 9/12
1:08 pm-6:52 pm
1 stop6h 44m
$207
SeattleBozeman
SEA - BZN
SEABZN
Seattle/Tacoma Intl
Fri 9/25
2:27 pm-9:04 pm
1 stop5h 37m
Bozeman Gallatin Field
Tue 9/29
4:30 pm-9:15 pm
1 stop5h 45m
$217
SeattleHelena
SEA - HLN
SEAHLN
Seattle/Tacoma Intl
Tue 9/29
5:45 am-12:17 pm
1 stop5h 32m
Helena
Fri 10/9
1:03 pm-6:52 pm
1 stop6h 49m
$222
SeattleHelena
SEA - HLN
SEAHLN
Seattle/Tacoma Intl
Wed 8/12
1:57 pm-4:32 pm
Nonstop1h 35m
Helena
Wed 8/19
5:11 pm-6:08 pm
Nonstop1h 57m
$236
SeattleHelena
SEA - HLN
SEAHLN
Seattle/Tacoma Intl
Fri 10/2
5:45 am-12:17 pm
1 stop5h 32m
Helena
Mon 10/5
12:57 pm-6:36 pm
1 stop6h 39m
$237
SeattleHelena
SEA - HLN
SEAHLN
Seattle/Tacoma Intl
Tue 9/29
5:45 am-12:17 pm
1 stop5h 32m
Helena
Sat 10/10
1:03 pm-4:52 pm
1 stop4h 49m
$242
SeattleBillings
SEA - BIL
SEABIL
Seattle/Tacoma Intl
Tue 8/18
10:09 am-1:05 pm
Nonstop1h 56m
Billings Logan Intl
Tue 8/25
6:14 am-7:20 am
Nonstop2h 06m
$252
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Washington to Montana
Have a flexible travel schedule? Discover the best time to fly to Montana from Washington with our price prediction graph.
SEA-HLN
PDX-BZN
SEA-GTF
SEA-BZN
SEA-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 Washington to Montana
USWA-USMT
SEA-HLN
PDX-BZN
SEA-GTF
SEA-BZN
What is the cheapest month to book a flight from State of Washington to Montana?
Currently, March is the cheapest month in which you can book a flight from State of Washington to Montana (average of $48). Flying from State of Washington to Montana in July is currently the most expensive (average of $129). 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 WA to MT?
Find hourly flight availability from Washington 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 June 29, 2026.
One of the essential ways to save on airfare from State of Washington to Montana is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 18% on airfare.
Weekly flight availability from State of Washington to Montana
Explore weekly flight availability from Washington 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 June 29, 2026.
The most flights from USWA to USMT are scheduled on a Friday (18 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).
How much does it cost to fly round-trip from State of Washington to Montana?
How far ahead should I book a flight from State of Washington to Montana?
To ensure you get the cheapest price possible for a flight from State of Washington to Montana, you should look to book at least 81 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 State of Washington to Montana?
Use this chart to determine the cheapest time to fly round-trip from Washington to Montana. Price data was last updated on June 27, 2026.
Travelers seeking maximum savings on their State of Washington to Montana flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Montana
Get insights into the airlines that provide service to Montana. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Montana. Reviews last updated June 29, 2026.
Read through reviews of airlines operating flights from Washington to Montana, such as Alaska Airlines,Delta, andHawaiian Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Crew
8.5
Comfort
7.8
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Crew
8.5
Comfort
7.8
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Crew
8.5
Comfort
7.8
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Crew
8.5
Comfort
7.8
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Related info for your journey
Find useful and relevant information for your journey from Washington 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 Washington 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 Washington to Montana by cabin class
Find flights from Washington to Montana, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Washington and Montana flights
Browse other Washington and Montana flight options. Last updated on June 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Montana
Find the right flight back to Washington after your stay in Montana
Washington to Montana flights
Consider these flights traveling from Washington to Montana.
Top 3 airlines flying from Washington to Montana
Discover the top 3 airlines that operate flights from Washington 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 June 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$244 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$88 | Average$315 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$117 | Average$348 | FlexibilityNo cancel fee | On-time75% |