$159+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SEA
Aug 23 — Aug 301
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Washington with Cheapflights
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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 July 24, 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 July 24, 2026.
This Expedia deal was found by Cheapflights users on 7/23. 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.
Thu 8/205:42 pm
BOS
- PDX
Nonstop6h 08m
Multiple Airlines
Sat 8/2911:27 pm
PDX
- BOS
Nonstop5h 21m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$289
This FlightHub deal was found by Cheapflights users on 7/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:55 am
BOS
- PDX
Nonstop6h 06m
Multiple Airlines
Tue 9/89:36 pm
PDX
- BOS
Nonstop5h 33m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$290
This Kissandfly.com deal was found by Cheapflights users on 7/21. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:42 pm
BOS
- PDX
Nonstop6h 08m
Alaska Airlines
Wed 9/28:24 pm
PDX
- BOS
1 stop8h 11m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$292
This Expedia deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/219:33 am
BOS
- PDX
Nonstop6h 06m
Multiple Airlines
Tue 8/252:15 pm
PDX
- BOS
Nonstop5h 24m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$295
This Southwest deal was found by Cheapflights users on 7/21. 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.
Thu 8/203:55 pm
BOS
- PDX
1 stop10h 10m
Southwest
Tue 8/2511:30 pm
PDX
- BOS
1 stop7h 25m
Southwest
Deal found 7/21![Southwest logo]()
$297
This Cheapflightsfares deal was found by Cheapflights users on 7/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:00 pm
BOS
- SEA
1 stop11h 15m
JetBlue
Tue 10/2011:55 pm
SEA
- BOS
Nonstop5h 24m
JetBlue
Deal found 7/21![JetBlue logo]()
$298
This American Airlines deal was found by Cheapflights users on 7/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:00 am
BOS
- PDX
1 stop8h 50m
American Airlines
Mon 8/2410:59 pm
PDX
- BOS
1 stop8h 36m
American Airlines
Deal found 7/21![American Airlines logo]()
$298
This JetBlue deal was found by Cheapflights users on 7/21. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/82:45 pm
BOS
- SEA
1 stop9h 19m
JetBlue
Tue 9/811:44 pm
SEA
- BOS
Nonstop5h 16m
JetBlue
Deal found 7/21![JetBlue logo]()
$300
This Flighttix deal was found by Cheapflights users on 7/20. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:19 pm
BOS
- PDX
Nonstop6h 10m
JetBlue
Sun 8/2311:42 pm
PDX
- BOS
Nonstop5h 20m
JetBlue
Deal found 7/20![JetBlue logo]()
$301
This Cheapflightsfares deal was found by Cheapflights users on 7/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2611:20 am
BOS
- SEA
1 stop12h 22m
JetBlue
Tue 10/1311:55 pm
SEA
- BOS
Nonstop5h 24m
JetBlue
Deal found 7/20![JetBlue logo]()
$302
This Southwest deal was found by Cheapflights users on 7/21. 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.
Thu 8/203:55 pm
BOS
- PDX
1 stop10h 10m
Southwest
Mon 8/2411:30 pm
PDX
- BOS
2 stops10h 10m
Southwest
Deal found 7/21![Southwest logo]()
$302
This JetBlue deal was found by Cheapflights users on 7/20. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:59 pm
BOS
- SEA
Nonstop6h 39m
JetBlue
Tue 10/2010:15 pm
SEA
- BOS
1 stop9h 31m
JetBlue
Deal found 7/20![JetBlue logo]()
$305
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 July 24, 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 July 24, 2026.
This Southwest deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/194:45 pm
BOS
- PDX
1 stop8h 30m
Southwest
Wed 8/2611:30 pm
PDX
- BOS
1 stop9h 10m
Southwest
Deal found 7/19![Southwest logo]()
$297
This Delta deal was found by Cheapflights users on 7/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/305:30 am
BOS
- PDX
1 stop10h 28m
Delta
Tue 9/12:08 pm
PDX
- BOS
1 stop8h 17m
Delta
Deal found 7/20![Delta logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:00 am
BOS
- PDX
1 stop11h 53m
Alaska Airlines
Sat 9/59:36 pm
PDX
- BOS
Nonstop5h 33m
Alaska Airlines
Deal found 7/18![Alaska Airlines logo]()
$317
This JetBlue deal was found by Cheapflights users on 7/22. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2611:20 am
BOS
- SEA
1 stop12h 24m
JetBlue
Sun 10/411:42 pm
SEA
- BOS
Nonstop5h 24m
JetBlue
Deal found 7/22![JetBlue logo]()
$320
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Wed 9/911:34 am
BOS
- SEA
1 stop9h 55m
United Airlines
Sun 9/2011:00 pm
SEA
- BOS
1 stop7h 33m
United Airlines
Deal found 7/23![United Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:45 pm
BOS
- SEA
Nonstop6h 35m
Delta
Wed 9/91:35 pm
SEA
- BOS
Nonstop5h 32m
Delta
Deal found 7/18![Delta logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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.
Tue 9/224:48 pm
BOS
- SEA
Nonstop6h 13m
Alaska Airlines
Sat 9/263:29 pm
SEA
- BOS
Nonstop5h 25m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 7/21. 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 8/193:20 pm
BOS
- PDX
2 stops9h 55m
Southwest
Tue 8/2511:30 pm
PDX
- BOS
1 stop7h 25m
Southwest
Deal found 7/21![Southwest logo]()
$327
This JetBlue deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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.
Sat 8/2912:44 pm
BOS
- SEA
1 stop11h 24m
JetBlue
Sat 9/511:40 pm
SEA
- BOS
Nonstop5h 19m
JetBlue
Deal found 7/18![JetBlue logo]()
$336
This United Airlines deal was found by Cheapflights users on 7/23. 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 9/2210:38 am
BOS
- PDX
1 stop8h 18m
United Airlines
Sat 9/2610:33 pm
PDX
- BOS
1 stop7h 14m
United Airlines
Deal found 7/23![United Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:05 am
BOS
- PDX
1 stop8h 30m
Delta
Fri 9/185:34 pm
PDX
- BOS
1 stop8h 59m
Delta
Deal found 7/18![Delta logo]()
$327
This Southwest deal was found by Cheapflights users on 7/20. 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.
Fri 8/283:55 pm
BOS
- PDX
2 stops10h 45m
Southwest
Tue 9/16:45 am
PDX
- BOS
2 stops11h 40m
Southwest
Deal found 7/20![Southwest logo]()
$332
This Southwest deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/264:45 pm
BOS
- GEG
1 stop8h 40m
Southwest
Mon 8/3112:20 pm
GEG
- BOS
1 stop9h 05m
Southwest
Deal found 7/19![Southwest logo]()
$337
This Delta deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 11/126:30 pm
BOS
- PDX
1 stop8h 22m
Delta
Mon 11/167:10 am
PDX
- BOS
1 stop10h 13m
Delta
Deal found 7/18![Delta logo]()
$357
This Southwest deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 10/21:05 pm
BOS
- GEG
2 stops12h 15m
Southwest
Tue 10/67:35 am
GEG
- BOS
2 stops11h 35m
Southwest
Deal found 7/18![Southwest logo]()
$347
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Sat 9/1210:38 am
BOS
- PSC
2 stops12h 58m
United Airlines
Sat 9/195:15 am
PSC
- BOS
2 stops11h 13m
United Airlines
Deal found 7/21![United Airlines logo]()
$435
This Alaska Airlines deal was found by Cheapflights users on 7/20. 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 9/57:59 pm
BOS
- PSC
1 stop17h 13m
Alaska Airlines
Wed 9/1610:56 am
PSC
- BOS
1 stop9h 58m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$435
This Delta deal was found by Cheapflights users on 7/23. 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.
Sun 9/68:15 am
BOS
- GEG
1 stop7h 42m
Delta
Fri 9/111:25 pm
GEG
- BOS
1 stop7h 28m
Delta
Deal found 7/23![Delta logo]()
$360
This Southwest deal was found by Cheapflights users on 7/23. 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 8/252:45 pm
BOS
- SEA
2 stops11h 20m
Southwest
Wed 9/211:00 pm
SEA
- BOS
2 stops12h 55m
Southwest
Deal found 7/23![Southwest logo]()
$347
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Tue 8/1812:41 pm
BOS
- PSC
2 stops10h 56m
United Airlines
Tue 8/2512:54 pm
PSC
- BOS
1 stop8h 00m
United Airlines
Deal found 7/21![United Airlines logo]()
$436
This Alaska Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:33 am
BOS
- PSC
1 stop8h 50m
Alaska Airlines
Sat 9/54:00 pm
PSC
- BOS
1 stop11h 09m
Alaska Airlines
Deal found 7/18![Alaska Airlines logo]()
$444
This Southwest deal was found by Cheapflights users on 7/22. 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 9/153:20 pm
BOS
- SEA
2 stops10h 45m
Southwest
Tue 9/296:40 am
SEA
- BOS
2 stops11h 40m
Southwest
Deal found 7/22![Southwest logo]()
$347
This United Airlines deal was found by Cheapflights users on 7/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:00 am
BOS
- GEG
2 stops12h 46m
United Airlines
Sat 8/295:00 am
GEG
- BOS
2 stops13h 58m
United Airlines
Deal found 7/20![United Airlines logo]()
$458
This Southwest deal was found by Cheapflights users on 7/21. 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.
Fri 10/210:50 am
BOS
- SEA
1 stop13h 15m
Southwest
Tue 10/66:15 am
SEA
- BOS
2 stops9h 20m
Southwest
Deal found 7/21![Southwest logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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.
Tue 10/206:40 pm
BOS
- EAT
1 stop8h 19m
Alaska Airlines
Sat 10/245:15 am
EAT
- BOS
1 stop9h 20m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$484
This Delta deal was found by Cheapflights users on 7/21. 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.
Tue 8/186:05 am
BOS
- PSC
1 stop10h 01m
Delta
Tue 8/255:24 pm
PSC
- BOS
1 stop10h 06m
Delta
Deal found 7/21![Delta logo]()
$451
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 8/2712:41 pm
BOS
- GEG
2 stops11h 05m
United Airlines
Wed 9/25:00 am
GEG
- BOS
2 stops13h 59m
United Airlines
Deal found 7/18![United Airlines logo]()
$458
This Southwest deal was found by Cheapflights users on 7/20. 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.
Fri 10/306:35 pm
BOS
- PDX
1 stop8h 35m
Southwest
Fri 11/612:10 pm
PDX
- BOS
1 stop10h 00m
Southwest
Deal found 7/20![Southwest logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/29:33 am
BOS
- BLI
1 stop15h 58m
Alaska Airlines
Tue 9/87:26 pm
BLI
- BOS
1 stop9h 13m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$490
This Southwest deal was found by Cheapflights users on 7/23. 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 8/213:25 pm
BOS
- PDX
2 stops11h 15m
Southwest
Mon 8/2411:30 pm
PDX
- BOS
2 stops10h 10m
Southwest
Deal found 7/23![Southwest logo]()
$352
Last-minute flights from Boston to WashingtonDiscover last-minute flight deals from Boston to Washington. Data last updated July 24, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Washington. Data last updated July 24, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:00 am
BOS
- PDX
1 stop8h 50m
American Airlines
Mon 8/2410:59 pm
PDX
- BOS
1 stop8h 36m
American Airlines
Deal found 7/21![American Airlines logo]()
$298
This Flighttix deal was found by Cheapflights users on 7/20. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:19 pm
BOS
- PDX
Nonstop6h 10m
JetBlue
Sun 8/2311:42 pm
PDX
- BOS
Nonstop5h 20m
JetBlue
Deal found 7/20![JetBlue logo]()
$301
This United Airlines deal was found by Cheapflights users on 7/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:01 pm
BOS
- SEA
1 stop8h 42m
United Airlines
Wed 8/266:15 pm
SEA
- BOS
1 stop8h 44m
United Airlines
Deal found 7/20![United Airlines logo]()
$308
This Expedia deal was found by Cheapflights users on 7/23. 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.
Thu 8/205:42 pm
BOS
- PDX
Nonstop6h 08m
Multiple Airlines
Sat 8/2911:27 pm
PDX
- BOS
Nonstop5h 21m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$289
This Southwest deal was found by Cheapflights users on 7/21. 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.
Thu 8/203:55 pm
BOS
- PDX
1 stop10h 10m
Southwest
Tue 8/2511:30 pm
PDX
- BOS
1 stop7h 25m
Southwest
Deal found 7/21![Southwest logo]()
$297
This Southwest deal was found by Cheapflights users on 7/21. 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.
Thu 8/203:55 pm
BOS
- PDX
1 stop10h 10m
Southwest
Mon 8/2411:30 pm
PDX
- BOS
2 stops10h 10m
Southwest
Deal found 7/21![Southwest logo]()
$302
This American Airlines deal was found by Cheapflights users on 7/23. 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 8/206:00 am
BOS
- PDX
1 stop8h 50m
American Airlines
Sat 8/2910:05 pm
PDX
- BOS
1 stop8h 17m
American Airlines
Deal found 7/23![American Airlines logo]()
$306
This Expedia deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/219:33 am
BOS
- PDX
Nonstop6h 06m
Multiple Airlines
Tue 8/252:15 pm
PDX
- BOS
Nonstop5h 24m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$295
This Delta deal was found by Cheapflights users on 7/21. 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.
Fri 8/215:15 pm
BOS
- PDX
1 stop7h 54m
Delta
Sat 8/296:45 am
PDX
- BOS
1 stop8h 05m
Delta
Deal found 7/21![Delta logo]()
$307
This Cheapflightsfares deal was found by Cheapflights users on 7/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:30 pm
BOS
- SEA
Nonstop6h 23m
JetBlue
Tue 9/159:40 pm
SEA
- BOS
1 stop10h 06m
JetBlue
Deal found 7/20![JetBlue logo]()
$302
This Kissandfly.com deal was found by Cheapflights users on 7/21. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:42 pm
BOS
- PDX
Nonstop6h 08m
Alaska Airlines
Wed 9/28:24 pm
PDX
- BOS
1 stop8h 11m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$292
This SmartFares deal was found by Cheapflights users on 7/20. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:44 pm
BOS
- SEA
1 stop11h 24m
JetBlue
Sat 9/511:40 pm
SEA
- BOS
Nonstop5h 19m
JetBlue
Deal found 7/20![JetBlue logo]()
$306
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 July 24, 2026.
Search for one-way flight options from Boston to Washington. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
This Southwest deal was found by Cheapflights users on 7/21. 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.
Thu 8/203:55 pm
BOS
- PDX
2 stops10h 45m
Southwest
Deal found 7/21![Southwest logo]()
$159
This Southwest deal was found by Cheapflights users on 7/20. 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.
Thu 9/243:55 pm
BOS
- GEG
1 stop9h 45m
Southwest
Deal found 7/20![Southwest logo]()
$169
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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.
Tue 8/186:03 am
BOS
- PDX
Nonstop6h 16m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$169
This American Airlines deal was found by Cheapflights users on 7/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:10 pm
BOS
- PDX
1 stop9h 18m
American Airlines
Deal found 7/21![American Airlines logo]()
$173
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 9/197:12 am
BOS
- GEG
1 stop8h 27m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$174
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Sat 9/199:20 am
BOS
- PDX
1 stop11h 59m
United Airlines
Deal found 7/22![United Airlines logo]()
$174
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 8/136:00 am
BOS
- PDX
1 stop9h 00m
United Airlines
Deal found 7/18![United Airlines logo]()
$176
This Delta deal was found by Cheapflights users on 7/22. 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.
Tue 8/185:51 am
BOS
- GEG
1 stop10h 06m
Delta
Deal found 7/22![Delta logo]()
$179
This Southwest deal was found by Cheapflights users on 7/23. 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
Deal found 7/23![Southwest logo]()
$179
This Southwest deal was found by Cheapflights users on 7/22. 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 9/222:10 pm
BOS
- GEG
2 stops11h 20m
Southwest
Deal found 7/22![Southwest logo]()
$184
This Southwest deal was found by Cheapflights users on 7/23. 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.
Wed 10/141:15 pm
BOS
- SEA
2 stops12h 25m
Southwest
Deal found 7/23![Southwest logo]()
$184
This Delta deal was found by Cheapflights users on 7/22. 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.
Fri 10/236:00 am
BOS
- PDX
1 stop8h 46m
Delta
Deal found 7/22![Delta logo]()
$184
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 July 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $289 (Expedia) |
One-way from | $159 (Southwest) |
Popular in | December |
Cheapest in | October |
Average price | $471 |
Good round-trip deal | $399 or less |
Good one-way deal | $244 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 July 24, 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
Wed 8/19
4:45 pm-10:15 pm
1 stop8h 30m
Portland
Wed 8/26
11:30 pm-11:40 am
1 stop9h 10m
$297
BostonPortland
BOS - PDX
BOSPDX
Boston Logan Intl
Sun 8/30
5:30 am-12:58 pm
1 stop10h 28m
Portland
Tue 9/1
2:08 pm-1:25 am
1 stop8h 17m
$297
BostonPortland
BOS - PDX
BOSPDX
Boston Logan Intl
Tue 9/1
8:00 am-4:53 pm
1 stop11h 53m
Portland
Sat 9/5
9:36 pm-6:09 am
Nonstop5h 33m
$317
BostonSeattle
BOS - SEA
BOSSEA
Boston Logan Intl
Sat 9/26
11:20 am-8:44 pm
1 stop12h 24m
Seattle/Tacoma Intl
Sun 10/4
11:42 pm-8:06 am
Nonstop5h 24m
$320
BostonSeattle
BOS - SEA
BOSSEA
Boston Logan Intl
Wed 9/9
11:34 am-6:29 pm
1 stop9h 55m
Seattle/Tacoma Intl
Sun 9/20
11:00 pm-9:33 am
1 stop7h 33m
$322
BostonSeattle
BOS - SEA
BOSSEA
Boston Logan Intl
Tue 9/1
6:45 pm-10:20 pm
Nonstop6h 35m
Seattle/Tacoma Intl
Wed 9/9
1:35 pm-10:07 pm
Nonstop5h 32m
$327
Quickest round-trip
BostonSeattle
BOS - SEA
BOSSEA
Boston Logan Intl
Tue 9/22
4:48 pm-8:01 pm
Nonstop6h 13m
Seattle/Tacoma Intl
Sat 9/26
3:29 pm-11:54 pm
Nonstop5h 25m
$327
BostonPortland
BOS - PDX
BOSPDX
Boston Logan Intl
Wed 8/19
3:20 pm-10:15 pm
2 stops9h 55m
Portland
Tue 8/25
11:30 pm-9:55 am
1 stop7h 25m
$327
BostonPortland
BOS - PDX
BOSPDX
Boston Logan Intl
Tue 9/8
6:05 am-11:35 am
1 stop8h 30m
Portland
Fri 9/18
5:34 pm-5:33 am
1 stop8h 59m
$327
BostonPortland
BOS - PDX
BOSPDX
Boston Logan Intl
Fri 8/28
3:55 pm-11:40 pm
2 stops10h 45m
Portland
Tue 9/1
6:45 am-9:25 pm
2 stops11h 40m
$332
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-PSC
BOS-EAT
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-PSC
What is the cheapest month to book a flight from Boston to State of Washington?
Currently, October is the cheapest month in which you can book a flight from Boston to State of Washington (average of $342). Flying from Boston to State of Washington in December is currently the most expensive (average of $540). 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 July 24, 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 July 24, 2026.
The most flights from BOS to USWA are scheduled on a Wednesday (36 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 Boston to State of Washington?
Airfare is below average for this route at the moment.
Boston to State of Washington flights typically cost between $368 and $564 in October.The cheapest round-trip price found within the last 5 days was $298 on JetBlue (Oct 20-Oct 20).
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 64 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.
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 July 24, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andUnited 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.
Entertainment
7.0
Comfort
7.8
Overall
7.9
Crew
8.5
Boarding
8.1
Food
7.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Entertainment
7.0
Comfort
7.8
Overall
7.9
Crew
8.5
Boarding
8.1
Food
7.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Entertainment
7.0
Comfort
7.8
Overall
7.9
Crew
8.5
Boarding
8.1
Food
7.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Entertainment
7.0
Comfort
7.8
Overall
7.9
Crew
8.5
Boarding
8.1
Food
7.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Entertainment
7.0
Comfort
7.8
Overall
7.9
Crew
8.5
Boarding
8.1
Food
7.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Entertainment
7.0
Comfort
7.8
Overall
7.9
Crew
8.5
Boarding
8.1
Food
7.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Related info for your journey
Find useful and relevant information for your journey from 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 July 24, 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 July 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$279 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$150 | Average$397 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$163 | Average$516 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$174 | Average$366 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$231 | Average$595 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$254 | Average$517 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$256 | Average$464 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$281 | Average$595 | FlexibilityNo cancel fee | On-time63% |