$99+ Cheap flights from Boston (BOS) 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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SEA
May 27 — Jun 31
Round-trip
1 adult, Economy
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Cheapest flights from Boston to WashingtonExplore the most affordable flight options available from Boston to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 27, 2026.
Explore the most affordable flight options available from Boston to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 27, 2026.
This Southwest deal was found by Cheapflights users on 4/22. 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 8/188:30 am
BOS
- SEA
1 stop14h 55m
Southwest
Tue 8/255:20 am
SEA
- BOS
2 stops10h 15m
Southwest
Deal found 4/22![Southwest logo]()
$221
This Southwest deal was found by Cheapflights users on 4/22. 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 9/15:25 am
BOS
- SEA
1 stop10h 35m
Southwest
Tue 9/811:05 pm
SEA
- BOS
1 stop7h 50m
Southwest
Deal found 4/22![Southwest logo]()
$231
This Cheapflightsfares deal was found by Cheapflights users on 4/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:00 am
BOS
- SEA
Nonstop6h 17m
JetBlue
Wed 6/1011:35 am
SEA
- BOS
Nonstop5h 37m
JetBlue
Deal found 4/22![JetBlue logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 4/22. 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.
Thu 5/147:11 pm
BOS
- SEA
Nonstop6h 16m
Alaska Airlines
Wed 5/203:30 pm
SEA
- BOS
Nonstop5h 29m
Alaska Airlines
Deal found 4/22![Alaska Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 4/22. 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.
Thu 5/147:30 pm
BOS
- SEA
Nonstop6h 10m
Delta
Wed 5/204:10 pm
SEA
- BOS
Nonstop5h 30m
Delta
Deal found 4/22![Delta logo]()
$258
This SmartFares deal was found by Cheapflights users on 4/23. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:00 am
BOS
- SEA
Nonstop6h 17m
JetBlue
Sat 6/611:35 am
SEA
- BOS
Nonstop5h 37m
JetBlue
Deal found 4/23![JetBlue logo]()
$259
This Southwest deal was found by Cheapflights users on 4/22. 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.
Mon 8/249:40 am
BOS
- PDX
1 stop8h 20m
Southwest
Tue 9/111:30 pm
PDX
- BOS
1 stop7h 25m
Southwest
Deal found 4/22![Southwest logo]()
$261
This Southwest deal was found by Cheapflights users on 4/23. 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.
Tue 9/12:45 pm
BOS
- SEA
2 stops11h 40m
Southwest
Sat 9/55:30 pm
SEA
- BOS
1 stop9h 30m
Southwest
Deal found 4/23![Southwest logo]()
$262
This American Airlines deal was found by Cheapflights users on 4/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/283:00 pm
BOS
- PDX
1 stop9h 51m
American Airlines
Tue 6/210:40 pm
PDX
- BOS
1 stop8h 17m
American Airlines
Deal found 4/27![American Airlines logo]()
$262
This Delta deal was found by Cheapflights users on 4/22. 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.
Thu 5/147:30 pm
BOS
- SEA
Nonstop6h 10m
Delta
Mon 5/187:59 pm
SEA
- BOS
1 stop7h 21m
Delta
Deal found 4/22![Delta logo]()
$267
This SmartFares deal was found by Cheapflights users on 4/25. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:00 am
BOS
- SEA
Nonstop6h 17m
JetBlue
Tue 6/211:35 am
SEA
- BOS
Nonstop5h 39m
JetBlue
Deal found 4/25![JetBlue logo]()
$268
This Southwest deal was found by Cheapflights users on 4/23. 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.
Tue 8/112:45 pm
BOS
- SEA
2 stops11h 40m
Southwest
Tue 8/2511:05 pm
SEA
- BOS
1 stop10h 10m
Southwest
Deal found 4/23![Southwest logo]()
$269
Best flights from Boston to WashingtonDiscover carefully curated flight deals from Boston to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 27, 2026.
Discover carefully curated flight deals from Boston to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 27, 2026.
This Southwest deal was found by Cheapflights users on 4/23. 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.
Tue 9/225:25 am
BOS
- PDX
2 stops10h 10m
Southwest
Sat 9/261:35 pm
PDX
- BOS
2 stops13h 25m
Southwest
Deal found 4/23![Southwest logo]()
$274
This Delta deal was found by Cheapflights users on 4/26. 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.
Thu 6/117:25 pm
BOS
- SEA
Nonstop6h 24m
Delta
Wed 6/1711:15 pm
SEA
- BOS
Nonstop5h 20m
Delta
Deal found 4/26![Delta logo]()
$332
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Tue 5/122:22 pm
BOS
- PDX
2 stops13h 11m
United Airlines
Wed 6/310:40 pm
PDX
- BOS
1 stop7h 59m
United Airlines
Deal found 4/24![United Airlines logo]()
$352
This JetBlue deal was found by Cheapflights users on 4/25. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:24 pm
BOS
- SEA
Nonstop6h 25m
JetBlue
Fri 7/1711:44 pm
SEA
- BOS
Nonstop5h 16m
JetBlue
Deal found 4/25![JetBlue logo]()
$368
This Alaska Airlines deal was found by Cheapflights users on 4/24. 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 6/26:00 am
BOS
- SEA
1 stop10h 14m
Alaska Airlines
Thu 6/43:02 pm
SEA
- BOS
1 stop11h 42m
Alaska Airlines
Deal found 4/24![Alaska Airlines logo]()
$394
This Southwest deal was found by Cheapflights users on 4/23. 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.
Tue 8/182:45 pm
BOS
- PDX
2 stops10h 30m
Southwest
Tue 8/2511:30 pm
PDX
- BOS
2 stops10h 10m
Southwest
Deal found 4/23![Southwest logo]()
$293
This United Airlines deal was found by Cheapflights users on 4/25. 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 10/24:15 pm
BOS
- PDX
1 stop11h 44m
United Airlines
Fri 10/306:59 pm
PDX
- BOS
2 stops11h 56m
United Airlines
Deal found 4/25![United Airlines logo]()
$352
This Delta deal was found by Cheapflights users on 4/25. 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 6/307:35 am
BOS
- PDX
1 stop12h 07m
Delta
Tue 7/71:45 pm
PDX
- BOS
1 stop7h 10m
Delta
Deal found 4/25![Delta logo]()
$373
This American Airlines deal was found by Cheapflights users on 4/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/233:59 pm
BOS
- EAT
2 stops11h 00m
American Airlines
Sat 8/295:15 am
EAT
- BOS
2 stops12h 31m
American Airlines
Deal found 4/24![American Airlines logo]()
$818
This Expedia deal was found by Cheapflights users on 4/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/138:28 am
BOS
- GEG
1 stop17h 39m
Alaska Airlines
Mon 7/278:15 am
GEG
- BOS
1 stop18h 25m
Alaska Airlines
Deal found 4/22![Alaska Airlines logo]()
$411
This JetBlue deal was found by Cheapflights users on 4/23. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:00 am
BOS
- SEA
Nonstop6h 17m
JetBlue
Wed 6/2410:28 pm
SEA
- BOS
1 stop9h 58m
JetBlue
Deal found 4/23![JetBlue logo]()
$425
This Southwest deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/283:45 pm
BOS
- SEA
1 stop11h 20m
Southwest
Wed 6/311:45 pm
SEA
- BOS
1 stop8h 10m
Southwest
Deal found 4/27![Southwest logo]()
$395
This Delta deal was found by Cheapflights users on 4/26. 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.
Sun 5/247:48 am
BOS
- PSC
1 stop10h 02m
Delta
Sat 5/305:00 pm
PSC
- BOS
1 stop10h 20m
Delta
Deal found 4/26![Delta logo]()
$411
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:45 pm
BOS
- PDX
1 stop8h 17m
United Airlines
Fri 7/102:25 pm
PDX
- BOS
1 stop7h 43m
United Airlines
Deal found 4/23![United Airlines logo]()
$418
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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.
Thu 5/146:00 am
BOS
- PDX
Nonstop6h 11m
Alaska Airlines
Tue 5/199:47 pm
PDX
- BOS
Nonstop5h 34m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$422
This Southwest deal was found by Cheapflights users on 4/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:30 pm
BOS
- SEA
1 stop9h 50m
Southwest
Mon 7/1311:05 pm
SEA
- BOS
1 stop8h 50m
Southwest
Deal found 4/25![Southwest logo]()
$412
This Delta deal was found by Cheapflights users on 4/26. 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.
Sun 5/246:35 am
BOS
- SEA
1 stop10h 15m
Delta
Tue 6/24:10 pm
SEA
- BOS
Nonstop5h 30m
Delta
Deal found 4/26![Delta logo]()
$417
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:30 pm
BOS
- PDX
2 stops13h 30m
United Airlines
Tue 9/811:15 pm
PDX
- BOS
2 stops10h 32m
United Airlines
Deal found 4/27![United Airlines logo]()
$422
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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 6/16:00 am
BOS
- GEG
1 stop8h 52m
Alaska Airlines
Tue 6/97:25 pm
GEG
- BOS
2 stops11h 05m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$426
This Southwest deal was found by Cheapflights users on 4/24. 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.
Sun 6/2810:05 pm
BOS
- PDX
2 stops14h 50m
Southwest
Fri 7/109:20 pm
PDX
- BOS
1 stop11h 35m
Southwest
Deal found 4/24![Southwest logo]()
$413
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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 5/225:32 pm
BOS
- PDX
Nonstop6h 15m
Alaska Airlines
Mon 5/258:37 am
PDX
- BOS
Nonstop5h 31m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$437
This Delta deal was found by Cheapflights users on 4/25. 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 6/2211:30 am
BOS
- GEG
1 stop10h 47m
Delta
Tue 7/710:48 pm
GEG
- BOS
2 stops14h 48m
Delta
Deal found 4/25![Delta logo]()
$449
This Southwest deal was found by Cheapflights users on 4/24. 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.
Sat 5/231:50 pm
BOS
- GEG
2 stops11h 25m
Southwest
Thu 5/286:50 am
GEG
- BOS
2 stops12h 30m
Southwest
Deal found 4/24![Southwest logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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 6/36:00 am
BOS
- GEG
1 stop8h 52m
Alaska Airlines
Sat 6/612:46 pm
GEG
- BOS
2 stops14h 34m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 4/24. 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.
Mon 6/2211:25 am
BOS
- GEG
1 stop10h 52m
Delta
Wed 6/246:48 am
GEG
- BOS
1 stop9h 22m
Delta
Deal found 4/24![Delta logo]()
$449
This Southwest deal was found by Cheapflights users on 4/24. 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 5/272:25 pm
BOS
- SEA
2 stops12h 10m
Southwest
Tue 6/910:45 pm
SEA
- BOS
2 stops10h 25m
Southwest
Deal found 4/24![Southwest logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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 6/16:00 am
BOS
- GEG
2 stops19h 36m
Alaska Airlines
Mon 6/87:25 pm
GEG
- BOS
1 stop7h 55m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$441
This Southwest deal was found by Cheapflights users on 4/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/274:45 pm
BOS
- SEA
2 stops11h 25m
Southwest
Sat 7/47:25 pm
SEA
- BOS
2 stops11h 25m
Southwest
Deal found 4/25![Southwest logo]()
$437
This Alaska Airlines deal was found by Cheapflights users on 4/26. 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 5/216:00 am
BOS
- SEA
1 stop27h 02m
Alaska Airlines
Tue 6/24:47 pm
SEA
- BOS
1 stop9h 57m
Alaska Airlines
Deal found 4/26![Alaska Airlines logo]()
$445
This Southwest deal was found by Cheapflights users on 4/24. 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.
Mon 6/14:45 pm
BOS
- SEA
2 stops10h 20m
Southwest
Sat 6/66:40 pm
SEA
- BOS
2 stops12h 10m
Southwest
Deal found 4/24![Southwest logo]()
$442
Last-minute flights from Boston to WashingtonDiscover last-minute flight deals from Boston to Washington. Data last updated April 27, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Washington. Data last updated April 27, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:39 pm
BOS
- SEA
1 stop8h 20m
United Airlines
Tue 5/121:07 pm
SEA
- BOS
1 stop7h 52m
United Airlines
Deal found 4/22![United Airlines logo]()
$322
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:39 pm
BOS
- SEA
1 stop8h 20m
United Airlines
Sat 5/98:10 am
SEA
- BOS
1 stop7h 54m
United Airlines
Deal found 4/23![United Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 4/22. 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.
Sun 5/105:51 am
BOS
- PDX
1 stop8h 02m
Delta
Sat 5/165:51 pm
PDX
- BOS
1 stop10h 44m
Delta
Deal found 4/22![Delta logo]()
$269
This United Airlines deal was found by Cheapflights users on 4/26. 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.
Sun 5/106:00 am
BOS
- PDX
1 stop9h 35m
United Airlines
Wed 5/202:38 pm
PDX
- BOS
1 stop7h 21m
United Airlines
Deal found 4/26![United Airlines logo]()
$279
This American Airlines deal was found by Cheapflights users on 4/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/123:59 pm
BOS
- PDX
1 stop10h 49m
American Airlines
Tue 5/1911:23 pm
PDX
- BOS
1 stop8h 49m
American Airlines
Deal found 4/24![American Airlines logo]()
$272
This American Airlines deal was found by Cheapflights users on 4/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/144:32 pm
BOS
- PDX
1 stop10h 16m
American Airlines
Tue 5/1911:23 pm
PDX
- BOS
1 stop8h 49m
American Airlines
Deal found 4/23![American Airlines logo]()
$270
This United Airlines deal was found by Cheapflights users on 4/25. 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 5/224:57 pm
BOS
- PDX
1 stop9h 03m
United Airlines
Tue 5/2610:40 pm
PDX
- BOS
1 stop7h 59m
United Airlines
Deal found 4/25![United Airlines logo]()
$281
This American Airlines deal was found by Cheapflights users on 4/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/283:00 pm
BOS
- PDX
1 stop9h 51m
American Airlines
Tue 6/210:40 pm
PDX
- BOS
1 stop8h 17m
American Airlines
Deal found 4/27![American Airlines logo]()
$262
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:00 am
BOS
- PDX
1 stop8h 38m
United Airlines
Sun 5/3110:40 pm
PDX
- BOS
1 stop7h 59m
United Airlines
Deal found 4/23![United Airlines logo]()
$273
This Cheapflightsfares deal was found by Cheapflights users on 4/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:06 am
BOS
- PDX
Nonstop6h 04m
JetBlue
Thu 6/42:30 pm
PDX
- BOS
Nonstop5h 26m
JetBlue
Deal found 4/24![JetBlue logo]()
$282
This Flysmarter deal was found by Cheapflights users on 4/27. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:06 am
BOS
- PDX
Nonstop6h 04m
JetBlue
Wed 6/32:30 pm
PDX
- BOS
Nonstop5h 26m
JetBlue
Deal found 4/27![JetBlue logo]()
$284
This American Airlines deal was found by Cheapflights users on 4/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:00 am
BOS
- PDX
1 stop8h 34m
American Airlines
Sat 6/65:49 am
PDX
- BOS
1 stop9h 16m
American Airlines
Deal found 4/26![American Airlines logo]()
$277
One-way flights from Boston to WashingtonSearch for one-way flight options from Boston to Washington. Find affordable one-way fares based on user searches. Data last updated April 27, 2026.
Search for one-way flight options from Boston to Washington. Find affordable one-way fares based on user searches. Data last updated April 27, 2026.
This Delta deal was found by Cheapflights users on 4/23. 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.
Wed 5/274:30 pm
BOS
- GEG
1 stop9h 48m
Delta
Deal found 4/23![Delta logo]()
$99
This Southwest deal was found by Cheapflights users on 4/22. 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 7/153:45 pm
BOS
- PDX
1 stop10h 45m
Southwest
Deal found 4/22![Southwest logo]()
$140
This American Airlines deal was found by Cheapflights users on 4/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:49 pm
BOS
- PDX
1 stop9h 03m
American Airlines
Deal found 4/23![American Airlines logo]()
$143
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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 5/256:00 am
BOS
- PDX
Nonstop6h 11m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$144
This Delta deal was found by Cheapflights users on 4/23. 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.
Tue 7/217:10 am
BOS
- GEG
1 stop9h 11m
Delta
Deal found 4/23![Delta logo]()
$147
This Cheapflightsfares deal was found by Cheapflights users on 4/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/139:57 am
BOS
- PDX
Nonstop6h 08m
JetBlue
Deal found 4/24![JetBlue logo]()
$149
This Southwest deal was found by Cheapflights users on 4/22. 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 6/65:00 pm
BOS
- SEA
1 stop9h 05m
Southwest
Deal found 4/22![Southwest logo]()
$152
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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 6/104:33 pm
BOS
- SEA
1 stop10h 08m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$154
This JetBlue deal was found by Cheapflights users on 4/23. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2410:06 am
BOS
- PDX
Nonstop6h 04m
JetBlue
Deal found 4/23![JetBlue logo]()
$154
This Delta deal was found by Cheapflights users on 4/27. 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.
Mon 6/154:25 pm
BOS
- GEG
1 stop10h 40m
Delta
Deal found 4/27![Delta logo]()
$155
This American Airlines deal was found by Cheapflights users on 4/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:00 am
BOS
- PDX
1 stop8h 34m
American Airlines
Deal found 4/22![American Airlines logo]()
$155
This American Airlines deal was found by Cheapflights users on 4/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:00 am
BOS
- GEG
2 stops10h 14m
American Airlines
Deal found 4/25![American Airlines logo]()
$156
Find flight deals from Boston to Washington
Keep the following information in mind while searching for Boston to Washington flight deals. Data was last updated April 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $221 (Southwest) |
One-way from | $99 (Delta) |
Popular in | December |
Cheapest in | September |
Average price | $420 |
Good round-trip deal | $396 or less |
Good one-way deal | $212 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston 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 27, 2026.
Use the filters below to find and compare flights from Boston to Washington that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonPortland
BOS - PDX
BOSPDX
Boston Logan Intl
Tue 9/22
5:25 am-12:35 pm
2 stops10h 10m
Portland
Sat 9/26
1:35 pm-6:00 am
2 stops13h 25m
$274
BostonPortland
BOS - PDX
BOSPDX
Boston Logan Intl
Tue 8/18
2:45 pm-10:15 pm
2 stops10h 30m
Portland
Tue 8/25
11:30 pm-12:40 pm
2 stops10h 10m
$293
BostonSeattle
BOS - SEA
BOSSEA
Boston Logan Intl
Thu 6/11
7:25 pm-10:49 pm
Nonstop6h 24m
Seattle/Tacoma Intl
Wed 6/17
11:15 pm-7:35 am
Nonstop5h 20m
$332
BostonPortland
BOS - PDX
BOSPDX
Boston Logan Intl
Tue 5/12
2:22 pm-12:33 am
2 stops13h 11m
Portland
Wed 6/3
10:40 pm-9:39 am
1 stop7h 59m
$352
BostonPortland
BOS - PDX
BOSPDX
Boston Logan Intl
Fri 10/2
4:15 pm-12:59 am
1 stop11h 44m
Portland
Fri 10/30
6:59 pm-9:55 am
2 stops11h 56m
$352
Quickest round-trip
BostonSeattle
BOS - SEA
BOSSEA
Boston Logan Intl
Mon 7/13
7:24 pm-10:49 pm
Nonstop6h 25m
Seattle/Tacoma Intl
Fri 7/17
11:44 pm-8:00 am
Nonstop5h 16m
$368
BostonPortland
BOS - PDX
BOSPDX
Boston Logan Intl
Tue 6/30
7:35 am-4:42 pm
1 stop12h 07m
Portland
Tue 7/7
1:45 pm-11:55 pm
1 stop7h 10m
$373
BostonSeattle
BOS - SEA
BOSSEA
Boston Logan Intl
Tue 6/2
6:00 am-1:14 pm
1 stop10h 14m
Seattle/Tacoma Intl
Thu 6/4
3:02 pm-5:44 am
1 stop11h 42m
$394
BostonSeattle
BOS - SEA
BOSSEA
Boston Logan Intl
Thu 5/28
3:45 pm-12:05 am
1 stop11h 20m
Seattle/Tacoma Intl
Wed 6/3
11:45 pm-10:55 am
1 stop8h 10m
$395
BostonSpokane
BOS - GEG
BOSGEG
Boston Logan Intl
Mon 7/13
8:28 am-11:07 pm
1 stop17h 39m
Spokane
Mon 7/27
8:15 am-5:40 am
1 stop18h 25m
$411
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Boston to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from Boston with our price prediction graph.
BOS-PDX
BOS-SEA
BOS-GEG
BOS-BLI
BOS-PUW
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 Boston to Washington
BOS-USWA
BOS-PDX
BOS-SEA
BOS-GEG
BOS-BLI
How far ahead should I book a flight from Boston to State of Washington?
The best time to book flights from Boston to State of Washington is 58 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Boston to State of Washington?
Currently, March is the cheapest month in which you can book a flight from Boston to State of Washington (average of $108). Flying from Boston to State of Washington in December is currently the most expensive (average of $1,079). 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 BOS to WA?
Find hourly flight availability from Boston 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 27, 2026.
When flying from Boston to State of Washington, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Boston to State of Washington
Explore weekly flight availability from Boston 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 27, 2026.
The most flights from BOS to USWA are scheduled on a Monday (21 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (14 on average).
How much does it cost to fly round-trip from Boston 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 27, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andHawaiian Airlines from Boston to Washington have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.0
Overall
7.9
Comfort
7.8
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Entertainment
7.0
Overall
7.9
Comfort
7.8
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Entertainment
7.0
Overall
7.9
Comfort
7.8
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Entertainment
7.0
Overall
7.9
Comfort
7.8
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Entertainment
7.0
Overall
7.9
Comfort
7.8
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Entertainment
7.0
Overall
7.9
Comfort
7.8
Crew
8.5
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 Boston 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 Boston to Washington
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Complete your trip
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Search flights from Boston to Washington by cabin class
Find flights from Boston to Washington, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Washington flights
Browse other Boston and Washington flight options. Last updated on April 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Boston to Washington flights
Consider these flights traveling from Boston to Washington.
Top 8 airlines flying from Boston to Washington
Discover the top 8 airlines that operate flights from Boston 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 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$317 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$133 | Average$349 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$153 | Average$493 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$172 | Average$325 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$188 | Average$527 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$213 | Average$543 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$234 | Average$550 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$237 | Average$437 | FlexibilityNo cancel fee | On-time71% |