$84+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SEA
May 8 — May 151
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 April 8, 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 April 8, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/64:43 pm
HLN
- SEA
Nonstop1h 50m
Alaska Airlines
Tue 6/91:30 pm
SEA
- HLN
Nonstop1h 36m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$137
This Expedia deal was found by Cheapflights users on 4/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/264:43 pm
HLN
- SEA
Nonstop1h 50m
Alaska Airlines
Sun 5/311:30 pm
SEA
- HLN
Nonstop1h 36m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$147
This Expedia deal was found by Cheapflights users on 4/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:22 pm
HLN
- SEA
Nonstop1h 47m
Alaska Airlines
Mon 5/113:07 pm
SEA
- HLN
Nonstop1h 38m
Alaska Airlines
Deal found 4/4![Alaska Airlines logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:15 pm
GTF
- SEA
Nonstop1h 50m
Alaska Airlines
Sun 5/102:57 pm
SEA
- GTF
Nonstop1h 38m
Alaska Airlines
Deal found 4/3![Alaska Airlines logo]()
$165
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 5/216:52 pm
GTF
- SEA
Nonstop1h 46m
Alaska Airlines
Sun 5/243:36 pm
SEA
- GTF
Nonstop1h 36m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$167
This Alaska Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:00 am
BZN
- SEA
Nonstop1h 58m
Alaska Airlines
Tue 5/129:18 pm
SEA
- BZN
Nonstop1h 40m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$167
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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.
Tue 5/512:47 pm
BIL
- PDX
Nonstop2h 01m
Alaska Airlines
Sat 5/910:30 am
PDX
- BIL
Nonstop1h 56m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$177
This Expedia deal was found by Cheapflights users on 4/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/58:02 pm
MSO
- SEA
Nonstop1h 33m
Alaska Airlines
Sun 6/79:28 pm
SEA
- MSO
Nonstop1h 31m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$177
This Expedia deal was found by Cheapflights users on 4/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:15 pm
GTF
- SEA
Nonstop1h 50m
Alaska Airlines
Sun 5/32:57 pm
SEA
- GTF
Nonstop1h 38m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 4/2. 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 4/2911:23 am
BZN
- SEA
Nonstop1h 55m
Alaska Airlines
Sat 5/29:18 pm
SEA
- BZN
Nonstop1h 40m
Alaska Airlines
Deal found 4/2![Alaska Airlines logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/52:03 pm
BZN
- PDX
Nonstop1h 50m
Alaska Airlines
Tue 5/1210:35 am
PDX
- BZN
Nonstop1h 48m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$182
This Expedia deal was found by Cheapflights users on 4/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/291:59 pm
MSO
- SEA
Nonstop1h 44m
Alaska Airlines
Sat 5/212:13 pm
SEA
- MSO
Nonstop1h 46m
Alaska Airlines
Deal found 4/3![Alaska Airlines logo]()
$187
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 April 8, 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 April 8, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/3. 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 6/64:43 pm
HLN
- SEA
Nonstop1h 50m
Alaska Airlines
Tue 6/91:30 pm
SEA
- HLN
Nonstop1h 36m
Alaska Airlines
Deal found 4/3![Alaska Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 4/3. 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 4/246:34 pm
BZN
- SEA
1 stop6h 25m
Delta
Thu 4/307:50 pm
SEA
- BZN
Nonstop1h 50m
Delta
Deal found 4/3![Delta logo]()
$207
This Southwest deal was found by Cheapflights users on 4/6. 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 5/16:15 am
BZN
- SEA
1 stop8h 55m
Southwest
Tue 5/55:35 pm
SEA
- BZN
1 stop5h 40m
Southwest
Deal found 4/6![Southwest logo]()
$217
This United Airlines deal was found by Cheapflights users on 4/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:35 am
BIL
- SEA
2 stops10h 16m
United Airlines
Sat 5/98:38 am
SEA
- BIL
2 stops13h 07m
United Airlines
Deal found 4/7![United Airlines logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 4/3. 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.
Fri 5/86:15 pm
GTF
- SEA
Nonstop1h 50m
Alaska Airlines
Sun 5/102:57 pm
SEA
- GTF
Nonstop1h 38m
Alaska Airlines
Deal found 4/3![Alaska Airlines logo]()
$167
This Alaska Airlines deal was found by Cheapflights users on 4/3. 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.
Sun 5/106:15 pm
GTF
- SEA
Nonstop1h 50m
Alaska Airlines
Sat 5/163:36 pm
SEA
- GTF
Nonstop1h 36m
Alaska Airlines
Deal found 4/3![Alaska Airlines logo]()
$167
This Delta deal was found by Cheapflights users on 4/5. 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 5/23:15 pm
BZN
- SEA
Nonstop2h 00m
Delta
Sun 5/37:50 pm
SEA
- BZN
Nonstop1h 50m
Delta
Deal found 4/5![Delta logo]()
$207
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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.
Tue 5/512:47 pm
BIL
- PDX
Nonstop2h 01m
Alaska Airlines
Sat 5/910:30 am
PDX
- BIL
Nonstop1h 56m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 5/68:00 am
BZN
- SEA
Nonstop1h 58m
Alaska Airlines
Sun 5/108:00 am
SEA
- BZN
Nonstop1h 43m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 4/2. 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 5/13:15 pm
BZN
- SEA
Nonstop2h 00m
Delta
Sun 5/37:50 pm
SEA
- BZN
Nonstop1h 50m
Delta
Deal found 4/2![Delta logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 4/3. 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.
Wed 4/2911:23 am
BZN
- SEA
Nonstop1h 55m
Alaska Airlines
Sat 5/29:18 pm
SEA
- BZN
Nonstop1h 40m
Alaska Airlines
Deal found 4/3![Alaska Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 4/6. 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 4/307:18 am
BZN
- SEA
Nonstop2h 03m
Delta
Sun 5/37:50 pm
SEA
- BZN
Nonstop1h 50m
Delta
Deal found 4/6![Delta logo]()
$217
This Delta deal was found by Cheapflights users on 4/2. 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.
Sun 4/267:18 am
BZN
- SEA
Nonstop2h 03m
Delta
Sun 4/267:50 pm
SEA
- BZN
Nonstop1h 50m
Delta
Deal found 4/2![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 4/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/311:20 am
BZN
- PDX
1 stop11h 40m
Southwest
Sun 6/712:55 pm
PDX
- BZN
1 stop5h 45m
Southwest
Deal found 4/3![Southwest logo]()
$292
This United Airlines deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/22:30 pm
BIL
- PDX
2 stops11h 29m
United Airlines
Sat 5/97:15 am
PDX
- BIL
2 stops12h 42m
United Airlines
Deal found 4/4![United Airlines logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 4/3. 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 5/26:22 pm
HLN
- SEA
Nonstop1h 47m
Alaska Airlines
Sat 5/93:07 pm
SEA
- HLN
Nonstop1h 38m
Alaska Airlines
Deal found 4/3![Alaska Airlines logo]()
$187
This Alaska Airlines deal was found by Cheapflights users on 4/4. 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 5/186:52 pm
GTF
- SEA
Nonstop1h 46m
Alaska Airlines
Tue 5/263:36 pm
SEA
- GTF
Nonstop1h 36m
Alaska Airlines
Deal found 4/4![Alaska Airlines logo]()
$187
This United Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:05 am
BIL
- PDX
2 stops8h 30m
United Airlines
Sat 5/97:15 am
PDX
- BIL
2 stops12h 42m
United Airlines
Deal found 4/6![United Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 4/5. 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.
Tue 5/128:00 am
BZN
- PDX
1 stop3h 40m
Delta
Tue 5/125:51 pm
PDX
- BZN
1 stop4h 30m
Delta
Deal found 4/5![Delta logo]()
$247
This United Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:57 pm
BIL
- SEA
1 stop6h 14m
United Airlines
Tue 10/65:07 am
SEA
- BIL
1 stop7h 06m
United Airlines
Deal found 4/6![United Airlines logo]()
$321
This Alaska Airlines deal was found by Cheapflights users on 4/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:15 pm
GTF
- SEA
Nonstop1h 50m
Alaska Airlines
Sun 5/32:57 pm
SEA
- GTF
Nonstop1h 38m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$207
This United Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:00 am
BIL
- SEA
1 stop7h 34m
United Airlines
Wed 9/232:26 pm
SEA
- BIL
1 stop7h 25m
United Airlines
Deal found 4/6![United Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 4/3. 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 5/106:19 pm
GTF
- SEA
1 stop6h 53m
Delta
Sat 5/165:30 am
SEA
- GTF
1 stop5h 57m
Delta
Deal found 4/3![Delta logo]()
$272
This Alaska Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/52:06 pm
BIL
- SEA
Nonstop2h 07m
Alaska Airlines
Sat 5/98:25 am
SEA
- BIL
1 stop4h 01m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 4/2. 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.
Mon 5/255:13 am
FCA
- PDX
1 stop4h 39m
Delta
Sat 5/305:45 am
PDX
- FCA
1 stop4h 40m
Delta
Deal found 4/2![Delta logo]()
$283
This Alaska Airlines deal was found by Cheapflights users on 4/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/52:03 pm
BZN
- PDX
Nonstop1h 50m
Alaska Airlines
Tue 5/1210:35 am
PDX
- BZN
Nonstop1h 48m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$217
This United Airlines deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/256:00 pm
BIL
- SEA
1 stop6h 10m
United Airlines
Wed 5/2712:50 pm
SEA
- BIL
1 stop7h 27m
United Airlines
Deal found 4/3![United Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 4/2. 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 5/812:15 pm
FCA
- PDX
2 stops8h 11m
Delta
Mon 5/115:45 am
PDX
- FCA
1 stop4h 43m
Delta
Deal found 4/2![Delta logo]()
$288
This Expedia deal was found by Cheapflights users on 4/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:15 pm
GTF
- SEA
Nonstop1h 50m
Alaska Airlines
Sat 5/22:57 pm
SEA
- GTF
Nonstop1h 38m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$227
This United Airlines deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/62:20 pm
HLN
- SEA
2 stops9h 59m
United Airlines
Tue 6/95:00 am
SEA
- HLN
1 stop7h 33m
United Airlines
Deal found 4/3![United Airlines logo]()
$392
Last-minute flights from Montana to WashingtonDiscover last-minute flight deals from Montana to Washington. Data last updated April 8, 2026 and is based on user searches.
Discover last-minute flight deals from Montana to Washington. Data last updated April 8, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 4/2. 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 4/2911:23 am
BZN
- SEA
Nonstop1h 55m
Alaska Airlines
Sat 5/29:18 pm
SEA
- BZN
Nonstop1h 40m
Alaska Airlines
Deal found 4/2![Alaska Airlines logo]()
$177
This Expedia deal was found by Cheapflights users on 4/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/291:59 pm
MSO
- SEA
Nonstop1h 44m
Alaska Airlines
Sat 5/212:13 pm
SEA
- MSO
Nonstop1h 46m
Alaska Airlines
Deal found 4/3![Alaska Airlines logo]()
$187
This Expedia deal was found by Cheapflights users on 4/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:15 pm
GTF
- SEA
Nonstop1h 50m
Alaska Airlines
Sun 5/32:57 pm
SEA
- GTF
Nonstop1h 38m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:15 pm
GTF
- SEA
Nonstop1h 50m
Alaska Airlines
Sun 5/102:57 pm
SEA
- GTF
Nonstop1h 38m
Alaska Airlines
Deal found 4/3![Alaska Airlines logo]()
$165
This Expedia deal was found by Cheapflights users on 4/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:22 pm
HLN
- SEA
Nonstop1h 47m
Alaska Airlines
Mon 5/113:07 pm
SEA
- HLN
Nonstop1h 38m
Alaska Airlines
Deal found 4/4![Alaska Airlines logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:00 am
BZN
- SEA
Nonstop1h 58m
Alaska Airlines
Tue 5/129:18 pm
SEA
- BZN
Nonstop1h 40m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$167
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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.
Tue 5/512:47 pm
BIL
- PDX
Nonstop2h 01m
Alaska Airlines
Sat 5/910:30 am
PDX
- BIL
Nonstop1h 56m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/52:03 pm
BZN
- PDX
Nonstop1h 50m
Alaska Airlines
Tue 5/1210:35 am
PDX
- BZN
Nonstop1h 48m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$182
This Alaska Airlines deal was found by Cheapflights users on 4/2. 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 5/63:55 pm
MSO
- SEA
Nonstop1h 35m
Alaska Airlines
Sat 5/912:13 pm
SEA
- MSO
Nonstop1h 46m
Alaska Airlines
Deal found 4/2![Alaska Airlines logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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.
Sun 5/106:15 pm
GTF
- SEA
Nonstop1h 50m
Alaska Airlines
Sat 5/163:36 pm
SEA
- GTF
Nonstop1h 36m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$187
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 5/216:52 pm
GTF
- SEA
Nonstop1h 46m
Alaska Airlines
Sun 5/243:36 pm
SEA
- GTF
Nonstop1h 36m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$167
This Expedia deal was found by Cheapflights users on 4/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/264:43 pm
HLN
- SEA
Nonstop1h 50m
Alaska Airlines
Sun 5/311:30 pm
SEA
- HLN
Nonstop1h 36m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$147
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 April 8, 2026.
Search for one-way flight options from Montana to Washington. Find affordable one-way fares based on user searches. Data last updated April 8, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:00 am
BZN
- SEA
Nonstop1h 58m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$84
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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.
Tue 5/126:22 pm
HLN
- SEA
Nonstop1h 47m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$89
This Alaska Airlines deal was found by Cheapflights users on 4/3. 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 5/307:59 pm
BZN
- SEA
Nonstop2h 01m
Alaska Airlines
Deal found 4/3![Alaska Airlines logo]()
$89
This Expedia deal was found by Cheapflights users on 4/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:00 am
BZN
- SEA
Nonstop1h 58m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$94
This Southwest deal was found by Cheapflights users on 4/6. 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 5/53:20 pm
BZN
- SEA
1 stop8h 10m
Southwest
Deal found 4/6![Southwest logo]()
$99
This Southwest deal was found by Cheapflights users on 4/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:05 pm
BZN
- PDX
1 stop5h 15m
Southwest
Deal found 4/3![Southwest logo]()
$99
This Expedia deal was found by Cheapflights users on 4/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:15 pm
GTF
- SEA
Nonstop1h 50m
Alaska Airlines
Deal found 4/4![Alaska Airlines logo]()
$104
This Southwest deal was found by Cheapflights users on 4/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/69:55 am
BZN
- SEA
2 stops11h 25m
Southwest
Deal found 4/7![Southwest logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1410:25 am
BZN
- SEA
1 stop24h 57m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$105
This deal was found by Cheapflights users on 4/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/293:55 pm
MSO
- SEA
Nonstop1h 35m
Alaska Airlines
Deal found 4/2![Alaska Airlines logo]()
$109
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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.
Tue 5/512:43 pm
FCA
- PDX
Nonstop1h 34m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$109
This United Airlines deal was found by Cheapflights users on 4/2. 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 5/14:28 pm
BZN
- SEA
1 stop7h 31m
United Airlines
Deal found 4/2![United Airlines logo]()
$109
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 April 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $137 (Alaska Airlines) |
One-way from | $84 (Alaska Airlines) |
Popular in | June |
Cheapest in | December |
Average price | $227 |
Good round-trip deal | $187 or less |
Good one-way deal | $168 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 April 8, 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 6/6
4:43 pm-5:33 pm
Nonstop1h 50m
Seattle/Tacoma Intl
Tue 6/9
1:30 pm-4:06 pm
Nonstop1h 36m
$157
Great FallsSeattle
GTF - SEA
GTFSEA
Great Falls
Fri 5/8
6:15 pm-7:05 pm
Nonstop1h 50m
Seattle/Tacoma Intl
Sun 5/10
2:57 pm-5:35 pm
Nonstop1h 38m
$167
Great FallsSeattle
GTF - SEA
GTFSEA
Great Falls
Sun 5/10
6:15 pm-7:05 pm
Nonstop1h 50m
Seattle/Tacoma Intl
Sat 5/16
3:36 pm-6:12 pm
Nonstop1h 36m
$167
BillingsPortland
BIL - PDX
BILPDX
Billings Logan Intl
Tue 5/5
12:47 pm-1:48 pm
Nonstop2h 01m
Portland
Sat 5/9
10:30 am-1:26 pm
Nonstop1h 56m
$177
BozemanSeattle
BZN - SEA
BZNSEA
Bozeman Gallatin Field
Wed 5/6
8:00 am-8:58 am
Nonstop1h 58m
Seattle/Tacoma Intl
Sun 5/10
8:00 am-10:43 am
Nonstop1h 43m
$177
BozemanSeattle
BZN - SEA
BZNSEA
Bozeman Gallatin Field
Wed 4/29
11:23 am-12:18 pm
Nonstop1h 55m
Seattle/Tacoma Intl
Sat 5/2
9:18 pm-11:58 pm
Nonstop1h 40m
$177
HelenaSeattle
HLN - SEA
HLNSEA
Helena
Sat 5/2
6:22 pm-7:09 pm
Nonstop1h 47m
Seattle/Tacoma Intl
Sat 5/9
3:07 pm-5:45 pm
Nonstop1h 38m
$187
Quickest round-trip
Great FallsSeattle
GTF - SEA
GTFSEA
Great Falls
Mon 5/18
6:52 pm-7:38 pm
Nonstop1h 46m
Seattle/Tacoma Intl
Tue 5/26
3:36 pm-6:12 pm
Nonstop1h 36m
$187
BozemanSeattle
BZN - SEA
BZNSEA
Bozeman Gallatin Field
Fri 4/24
6:34 pm-11:59 pm
1 stop6h 25m
Seattle/Tacoma Intl
Thu 4/30
7:50 pm-10:40 pm
Nonstop1h 50m
$207
BozemanSeattle
BZN - SEA
BZNSEA
Bozeman Gallatin Field
Sat 5/2
3:15 pm-4:15 pm
Nonstop2h 00m
Seattle/Tacoma Intl
Sun 5/3
7:50 pm-10:40 pm
Nonstop1h 50m
$207
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.
HLN-SEA
GTF-SEA
BZN-SEA
BIL-PDX
MSO-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
HLN-SEA
GTF-SEA
BZN-SEA
BIL-PDX
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 $79). Flying from Montana to State of Washington in August is currently the most expensive (average of $162). 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 April 8, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 57% on flights from Montana to State of Washington by exploring options for tickets in the afternoon.
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 April 4, 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.
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 April 8, 2026.
The most flights from USMT to USWA are scheduled on a Monday (22 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).
How much does it cost to fly round-trip from Montana to State of Washington?
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 April 8, 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
Crew
8.5
Entertainment
7.0
Boarding
8.1
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Crew
8.5
Entertainment
7.0
Boarding
8.1
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Crew
8.5
Entertainment
7.0
Boarding
8.1
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Crew
8.5
Entertainment
7.0
Boarding
8.1
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Related info for your journey
Find useful and relevant information for your journey from 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 April 8, 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 April 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$261 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$103 | Average$230 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$126 | Average$295 | FlexibilityNo cancel fee | On-time75% |