$80+ Cheap flights from Boise (BOI) to Washington
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SEA
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from Boise to Washington with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Boise to WashingtonExplore the most affordable flight options available from Boise to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
Explore the most affordable flight options available from Boise to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/16:40 pm -
1 stop4h 35m
Tue 12/81:35 pm -
1 stop8h 00m
Deal found 10/22![Southwest logo]()
$160
This Southwest deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 12/72:50 pm -
1 stop6h 10m
Tue 12/83:20 pm -
1 stop6h 30m
Deal found 10/23![Southwest logo]()
$168
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/1110:15 am -
1 stop6h 05m
Mon 12/145:35 am -
1 stop5h 50m
Deal found 10/22![Southwest logo]()
$176
This Expedia deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 12/232:58 pm -
Nonstop1h 03m
Sat 12/263:38 pm -
Nonstop1h 02m
Deal found 10/23![Alaska Airlines logo]()
$191
This Alaska Airlines deal was found by Cheapflights users on 10/24. 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 11/254:54 pm -
Nonstop1h 01m
Sat 11/285:32 pm -
Nonstop0h 59m
Deal found 10/24![Alaska Airlines logo]()
$197
This Travelocity deal was found by Cheapflights users on 10/24. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/232:58 pm -
Nonstop1h 03m
Sun 12/273:38 pm -
Nonstop1h 02m
Deal found 10/24![Alaska Airlines logo]()
$207
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/215:59 pm -
Nonstop1h 47m
Sun 11/221:30 pm -
Nonstop1h 35m
Deal found 10/21![Delta logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/204:54 pm -
Nonstop1h 01m
Sun 11/225:32 pm -
Nonstop0h 59m
Deal found 10/21![Alaska Airlines logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 10/24. 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 12/13:00 pm -
Nonstop1h 14m
Wed 12/94:36 pm -
Nonstop1h 08m
Deal found 10/24![Alaska Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 10/25. 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 11/283:38 pm -
Nonstop1h 53m
Mon 11/307:15 am -
Nonstop1h 42m
Deal found 10/25![Delta logo]()
$218
This Alaska Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/262:00 pm -
Nonstop1h 40m
Thu 11/263:55 pm -
Nonstop1h 25m
Deal found 10/20![Alaska Airlines logo]()
$222
This Alaska Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 12/129:21 am -
1 stop25h 11m
Sun 12/131:02 pm -
Nonstop1h 24m
Deal found 10/21![Alaska Airlines logo]()
$225
Best flights from Boise to WashingtonDiscover carefully curated flight deals from Boise to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Boise to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/24. 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 11/254:54 pm -
Nonstop1h 01m
Sat 11/285:32 pm -
Nonstop0h 59m
Deal found 10/24![Alaska Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 10/25. 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 12/117:18 pm -
Nonstop1h 56m
Sun 12/137:15 am -
Nonstop1h 41m
Deal found 10/25![Delta logo]()
$227
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/16:40 pm -
1 stop4h 40m
Sat 12/58:35 am -
2 stops10h 50m
Deal found 10/22![Southwest logo]()
$232
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 12/42:48 pm -
1 stop7h 33m
Sun 12/67:00 am -
1 stop6h 50m
Deal found 10/21![United Airlines logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 11/257:00 am -
Nonstop1h 18m
Fri 11/272:14 pm -
Nonstop1h 14m
Deal found 10/23![Alaska Airlines logo]()
$227
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/215:59 pm -
Nonstop1h 47m
Sun 11/221:30 pm -
Nonstop1h 35m
Deal found 10/22![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 11/1310:30 am -
1 stop4h 45m
Sat 11/146:00 am -
1 stop7h 10m
Deal found 10/23![Southwest logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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.
Sat 12/196:36 pm -
1 stop23h 11m
Sat 1/26:15 pm -
2 stops43h 36m
Deal found 10/21![Allegiant Air logo]()
$482
This Alaska Airlines deal was found by Cheapflights users on 10/24. 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.
Sun 1/178:57 am -
1 stop5h 00m
Tue 1/193:44 pm -
1 stop3h 20m
Deal found 10/24![Alaska Airlines logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/214:18 pm -
1 stop5h 46m
Sun 11/228:00 am -
Nonstop1h 12m
Deal found 10/21![Alaska Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 12/306:10 pm -
2 stops8h 10m
Mon 1/42:35 pm -
2 stops9h 20m
Deal found 10/20![Southwest logo]()
$278
This Alaska Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 12/257:00 am -
Nonstop1h 17m
Tue 1/53:16 pm -
1 stop3h 48m
Deal found 10/20![Alaska Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 10/25. 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.
Mon 11/236:40 am -
Nonstop2h 00m
Sat 11/287:15 am -
Nonstop1h 42m
Deal found 10/25![Delta logo]()
$297
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 12/114:24 pm -
1 stop5h 23m
Sun 12/139:01 am -
1 stop4h 49m
Deal found 10/21![United Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 11/215:59 pm -
1 stop4h 03m
Sun 11/223:23 pm -
1 stop6h 03m
Deal found 10/23![Delta logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 2/18:24 pm -
1 stop3h 11m
Fri 2/57:23 pm -
1 stop3h 21m
Deal found 10/23![Alaska Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 12/36:40 pm -
1 stop4h 40m
Sun 12/62:35 pm -
2 stops9h 20m
Deal found 10/23![Southwest logo]()
$314
This Alaska Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 12/12:05 pm -
Nonstop1h 44m
Tue 12/87:38 am -
1 stop4h 31m
Deal found 10/20![Alaska Airlines logo]()
$262
This Alaska Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 12/118:56 am -
1 stop5h 09m
Sun 12/139:50 am -
Nonstop1h 31m
Deal found 10/23![Alaska Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 10/25. 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 11/248:55 am -
1 stop6h 58m
Sat 11/285:10 am -
1 stop3h 47m
Deal found 10/25![Delta logo]()
$425
This Alaska Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 11/133:07 pm -
Nonstop1h 00m
Sun 11/153:44 pm -
Nonstop0h 57m
Deal found 10/23![Alaska Airlines logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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.
Mon 11/234:54 pm -
Nonstop1h 01m
Mon 11/305:32 pm -
Nonstop0h 59m
Deal found 10/25![Alaska Airlines logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 12/47:45 pm -
Nonstop1h 42m
Sun 12/65:51 pm -
1 stop18h 34m
Deal found 10/20![Alaska Airlines logo]()
$323
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/116:40 am -
1 stop6h 08m
Thu 11/126:00 am -
1 stop3h 42m
Deal found 10/21![Delta logo]()
$525
This Alaska Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/207:07 am -
1 stop4h 00m
Sun 11/225:32 pm -
Nonstop0h 59m
Deal found 10/21![Alaska Airlines logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 12/232:58 pm -
Nonstop1h 03m
Thu 12/2410:53 am -
1 stop24h 42m
Deal found 10/23![Alaska Airlines logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/146:37 am -
1 stop5h 24m
Wed 11/183:44 pm -
Nonstop0h 57m
Deal found 10/20![Alaska Airlines logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/53:07 pm -
Nonstop1h 00m
Mon 11/93:44 pm -
Nonstop0h 57m
Deal found 10/21![Alaska Airlines logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/232:58 pm -
Nonstop1h 03m
Tue 12/293:38 pm -
Nonstop1h 02m
Deal found 10/22![Alaska Airlines logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/118:20 am -
1 stop3h 41m
Sat 11/1411:38 am -
1 stop5h 25m
Deal found 10/22![Alaska Airlines logo]()
$377
Last-minute flights from Boise to WashingtonDiscover last-minute flight deals from Boise to Washington. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Washington. Data last updated October 25, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 11/135:35 am -
2 stops9h 40m
Sat 11/146:00 am -
1 stop7h 10m
Deal found 10/23![Southwest logo]()
$269
This Alaska Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 11/133:07 pm -
Nonstop1h 00m
Sun 11/153:44 pm -
Nonstop0h 57m
Deal found 10/23![Alaska Airlines logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/204:54 pm -
Nonstop1h 01m
Sun 11/225:32 pm -
Nonstop0h 59m
Deal found 10/21![Alaska Airlines logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/218:43 pm -
Nonstop1h 16m
Sun 11/228:00 am -
Nonstop1h 12m
Deal found 10/20![Alaska Airlines logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 11/234:20 pm -
1 stop4h 15m
Mon 11/305:32 pm -
Nonstop0h 59m
Deal found 10/23![Alaska Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/235:59 pm -
1 stop5h 45m
Fri 11/273:36 pm -
1 stop5h 50m
Deal found 10/21![Delta logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 10/24. 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 11/244:54 pm -
Nonstop1h 01m
Tue 12/15:00 am -
1 stop3h 30m
Deal found 10/24![Alaska Airlines logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 10/24. 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 11/254:54 pm -
Nonstop1h 01m
Sat 11/285:32 pm -
Nonstop0h 59m
Deal found 10/24![Alaska Airlines logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 10/24. 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 11/287:00 am -
Nonstop1h 18m
Fri 12/44:36 pm -
Nonstop1h 08m
Deal found 10/24![Alaska Airlines logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 10/24. 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 11/287:00 am -
Nonstop1h 18m
Sun 12/65:00 am -
1 stop3h 36m
Deal found 10/24![Alaska Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 10/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/285:59 pm -
1 stop4h 03m
Tue 12/811:20 am -
1 stop4h 56m
Deal found 10/24![Delta logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 10/24. 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.
Sun 11/297:00 am -
Nonstop1h 18m
Fri 12/48:03 am -
1 stop4h 06m
Deal found 10/24![Alaska Airlines logo]()
$277
One-way flights from Boise to WashingtonSearch for one-way flight options from Boise to Washington. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Boise to Washington. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/82:50 pm -
1 stop6h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Southwest logo]()
$80
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/46:40 pm -
1 stop4h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Southwest logo]()
$88
This Southwest deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 2/226:55 am -
1 stop8h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Southwest logo]()
$94
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 3/32:30 pm -
1 stop8h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Southwest logo]()
$99
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/54:35 pm -
1 stop4h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Southwest logo]()
$114
This Southwest deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 12/912:40 pm -
2 stops10h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Southwest logo]()
$119
This Travelocity deal was found by Cheapflights users on 10/24. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/245:40 am -
1 stop4h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Alaska Airlines logo]()
$119
This Super.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:55 pm -
1 stop17h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Frontier logo]()
$120
This Alaska Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/227:00 am -
1 stop5h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Alaska Airlines logo]()
$124
This Alaska Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/227:21 pm -
1 stop4h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Alaska Airlines logo]()
$129
This Southwest deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/116:40 pm -
1 stop4h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Southwest logo]()
$132
This Alaska Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/212:00 pm -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Alaska Airlines logo]()
$134
Find flight deals from Boise to Washington
Keep the following information in mind while searching for Boise to Washington flight deals. Data was last updated October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $160 (Southwest) |
One-way from | $80 (Southwest) |
Popular in | June |
Cheapest in | January |
Average price | $252 |
Good round-trip deal | $277 or less |
Good one-way deal | $174 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise 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 7,457,451 searches. Data last updated October 25, 2026.
Use the filters below to find and compare flights from Boise to Washington that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseSpokane
BOI Boise Air Term. Gowen Fld - GEG Spokane
BOIGEG
Boise Air Term. Gowen Fld
Tue 12/8
2:50 pm-8:00 pm
1 stop6h 10m
Spokane
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$80
BoiseSpokane
BOI Boise Air Term. Gowen Fld - GEG Spokane
BOIGEG
Boise Air Term. Gowen Fld
Sat 1/30
3:35 pm-7:45 pm
1 stop5h 10m
Spokane
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$80
BoiseSpokane
BOI Boise Air Term. Gowen Fld - GEG Spokane
BOIGEG
Boise Air Term. Gowen Fld
Tue 2/23
11:55 am-9:10 pm
2 stops10h 15m
Spokane
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$85
BoiseSpokane
BOI Boise Air Term. Gowen Fld - GEG Spokane
BOIGEG
Boise Air Term. Gowen Fld
Fri 12/4
6:40 pm-10:15 pm
1 stop4h 35m
Spokane
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$88
BoiseSeattle
BOI Boise Air Term. Gowen Fld - SEA Seattle/Tacoma Intl
BOISEA
Boise Air Term. Gowen Fld
Sun 11/22
7:55 pm-12:37 pm
1 stop17h 42m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$120
BoiseSpokane
BOI Boise Air Term. Gowen Fld - GEG Spokane
BOIGEG
Boise Air Term. Gowen Fld
Thu 12/17
8:21 am-12:33 pm
1 stop5h 12m
Spokane
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$129
BoiseSeattle
BOI Boise Air Term. Gowen Fld - SEA Seattle/Tacoma Intl
BOISEA
Boise Air Term. Gowen Fld
Wed 11/11
6:40 pm-10:20 pm
1 stop4h 40m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$132
BoiseSeattle
BOI Boise Air Term. Gowen Fld - SEA Seattle/Tacoma Intl
BOISEA
Boise Air Term. Gowen Fld
Sat 11/21
2:00 pm-2:40 pm
Nonstop1h 40m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$134
BoiseSeattle
BOI Boise Air Term. Gowen Fld - SEA Seattle/Tacoma Intl
BOISEA
Boise Air Term. Gowen Fld
Wed 11/18
12:40 pm-10:20 pm
2 stops10h 40m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$138
BoiseSpokane
BOI Boise Air Term. Gowen Fld - GEG Spokane
BOIGEG
Boise Air Term. Gowen Fld
Tue 11/24
1:13 pm-1:32 pm
Nonstop1h 19m
Spokane
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$139
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Boise to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from Boise with our price prediction graph.
BOI-GEG
BOI-SEA
BOI-BLI
BOI-PSC
BOI-PAE
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 Boise to Washington
BOI-USWA
BOI-GEG
BOI-SEA
BOI-BLI
BOI-PSC
What is the cheapest month to book a flight from Boise to State of Washington?
Currently, January is the cheapest month in which you can book a flight from Boise to State of Washington (average of $156). Flying from Boise to State of Washington in June is currently the most expensive (average of $327). 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 BOI to WA?
Find hourly flight availability from Boise 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 October 25, 2026.
One of the essential ways to save on airfare from Boise to State of Washington is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 19% on airfare.
Weekly flight availability from Boise to State of Washington
Explore weekly flight availability from Boise 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 October 25, 2026.
The most flights from BOI to USWA are scheduled on a Saturday (43 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (20 on average).
How much does it cost to fly round-trip from Boise to State of Washington?
Airfare is typical for this route at the moment.
Boise to State of Washington flights typically cost between $192 and $354 in November.The cheapest round-trip price found within the last 5 days was $217 on Delta (Nov 21-Nov 22).
How far ahead should I book a flight from Boise to State of Washington?
The best time to book flights from Boise to State of Washington is 57 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from Boise to State of Washington?
Use this chart to determine the cheapest time to fly round-trip from Boise to Washington. Price data was last updated on October 24, 2026.
Travelers seeking maximum savings on their Boise to State of Washington flight should consider departing on Saturday afternoons when fares are most often at their lowest. Wednesday evenings 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 October 25, 2026.
Get a feel of what it's like to fly with Alaska Airlines and Delta from Boise to Washington by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Food
7.0
Entertainment
7.0
Crew
8.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Comfort
7.8
Food
7.0
Entertainment
7.0
Crew
8.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Comfort
7.8
Food
7.0
Entertainment
7.0
Crew
8.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Related info for your journey
Find useful and relevant information for your journey from Boise 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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Boise and Washington flights
Browse other Boise and Washington flight options. Last updated on October 25, 2026.
Popular flight searches
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Boise to Washington flights
Consider these flights traveling from Boise to Washington.
Top 2 airlines flying from Boise to Washington
Discover the top 2 airlines that operate flights from Boise 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 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$96 | Average$228 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$99 | Average$336 | FlexibilityNo cancel fee | On-time75% |