$124+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SEA
Apr 9 — Apr 161
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 March 10, 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 March 10, 2026.
This American Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/63:18 pm
BOS
- PDX
1 stop10h 31m
American Airlines
Mon 5/1111:47 pm
PDX
- BOS
1 stop8h 45m
American Airlines
Deal found 3/6![American Airlines logo]()
$199
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/76:20 pm
BOS
- PDX
1 stop7h 50m
Southwest
Tue 4/147:25 pm
PDX
- BOS
2 stops9h 50m
Southwest
Deal found 3/9![Southwest logo]()
$204
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 5/21:50 pm
BOS
- PDX
2 stops11h 15m
Southwest
Sat 5/97:40 pm
PDX
- BOS
2 stops11h 15m
Southwest
Deal found 3/9![Southwest logo]()
$209
This Southwest deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/82:25 pm
BOS
- PDX
1 stop11h 45m
Southwest
Tue 4/147:25 pm
PDX
- BOS
2 stops9h 50m
Southwest
Deal found 3/7![Southwest logo]()
$210
This Cheapflightsfares deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:05 am
BOS
- PDX
Nonstop6h 02m
JetBlue
Sat 5/302:30 pm
PDX
- BOS
Nonstop5h 26m
JetBlue
Deal found 3/6![JetBlue logo]()
$212
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/27:10 am
BOS
- SEA
Nonstop6h 27m
Delta
Wed 4/83:45 pm
SEA
- BOS
Nonstop5h 14m
Delta
Deal found 3/6![Delta logo]()
$217
This Delta deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:05 am
BOS
- PDX
1 stop7h 44m
Delta
Thu 5/711:20 am
PDX
- BOS
1 stop10h 22m
Delta
Deal found 3/5![Delta logo]()
$217
This American Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/233:06 pm
BOS
- PDX
1 stop11h 17m
American Airlines
Wed 5/2710:30 pm
PDX
- BOS
1 stop10h 16m
American Airlines
Deal found 3/5![American Airlines logo]()
$218
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 stop9h 39m
Delta
Sun 5/175:51 pm
PDX
- BOS
1 stop10h 44m
Delta
Deal found 3/8![Delta logo]()
$219
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/82:25 pm
BOS
- PDX
1 stop11h 45m
Southwest
Wed 4/157:25 pm
PDX
- BOS
2 stops9h 40m
Southwest
Deal found 3/9![Southwest logo]()
$220
This Delta deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:10 am
BOS
- SEA
1 stop11h 41m
Delta
Sat 5/210:35 pm
SEA
- BOS
Nonstop5h 20m
Delta
Deal found 3/5![Delta logo]()
$227
This Expedia deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:40 pm
BOS
- PDX
1 stop18h 06m
Alaska Airlines
Mon 5/259:46 pm
PDX
- BOS
Nonstop5h 34m
Alaska Airlines
Deal found 3/5![Alaska Airlines logo]()
$227
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 March 10, 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 March 10, 2026.
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:45 pm
BOS
- PDX
1 stop8h 14m
Delta
Tue 4/75:36 pm
PDX
- BOS
1 stop10h 14m
Delta
Deal found 3/6![Delta logo]()
$219
This Southwest deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/143:45 pm
BOS
- SEA
1 stop11h 20m
Southwest
Mon 5/1811:55 pm
SEA
- BOS
1 stop8h 05m
Southwest
Deal found 3/6![Southwest logo]()
$242
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/13:05 pm
BOS
- GEG
1 stop9h 06m
United Airlines
Wed 4/291:46 pm
GEG
- BOS
1 stop7h 13m
United Airlines
Deal found 3/6![United Airlines logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/146:00 am
BOS
- PDX
Nonstop6h 23m
Alaska Airlines
Wed 4/151:35 pm
PDX
- BOS
1 stop7h 24m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$307
This American Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 6/157:00 am
BOS
- GEG
1 stop9h 14m
American Airlines
Tue 6/232:08 pm
GEG
- BOS
1 stop7h 07m
American Airlines
Deal found 3/10![American Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:45 pm
BOS
- SEA
Nonstop6h 20m
Delta
Sat 5/96:00 am
SEA
- BOS
1 stop8h 10m
Delta
Deal found 3/5![Delta logo]()
$227
This Southwest deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/21:50 pm
BOS
- SEA
2 stops11h 20m
Southwest
Sat 5/99:00 am
SEA
- BOS
2 stops10h 25m
Southwest
Deal found 3/7![Southwest logo]()
$247
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/66:25 pm
BOS
- PDX
1 stop9h 20m
Southwest
Mon 4/1311:55 pm
PDX
- BOS
1 stop8h 05m
Southwest
Deal found 3/9![Southwest logo]()
$265
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 4/255:50 am
BOS
- GEG
1 stop10h 14m
Delta
Sat 5/22:10 pm
GEG
- BOS
1 stop6h 26m
Delta
Deal found 3/8![Delta logo]()
$297
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:48 pm
BOS
- SEA
1 stop8h 46m
United Airlines
Sat 5/211:39 am
SEA
- BOS
1 stop10h 31m
United Airlines
Deal found 3/6![United Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/203:45 pm
BOS
- PDX
2 stops12h 10m
Southwest
Mon 4/2711:55 pm
PDX
- BOS
1 stop8h 05m
Southwest
Deal found 3/6![Southwest logo]()
$283
This Alaska Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:00 am
BOS
- SEA
1 stop8h 45m
Alaska Airlines
Fri 5/293:50 pm
SEA
- BOS
1 stop11h 30m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/153:30 pm
BOS
- SEA
Nonstop6h 30m
Delta
Wed 7/223:55 pm
SEA
- BOS
Nonstop5h 28m
Delta
Deal found 3/6![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/24:35 pm
BOS
- SEA
1 stop9h 12m
United Airlines
Tue 5/51:07 pm
SEA
- BOS
1 stop7h 52m
United Airlines
Deal found 3/9![United Airlines logo]()
$352
This Southwest deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/15:00 am
BOS
- GEG
1 stop7h 50m
Southwest
Wed 4/295:10 am
GEG
- BOS
2 stops10h 25m
Southwest
Deal found 3/6![Southwest logo]()
$302
This Travelocity deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:20 am
BOS
- PSC
1 stop8h 54m
Alaska Airlines
Tue 6/97:17 pm
PSC
- BOS
1 stop9h 24m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$387
This United Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2510:05 am
BOS
- SEA
2 stops13h 48m
United Airlines
Tue 4/2811:59 pm
SEA
- BOS
2 stops11h 27m
United Airlines
Deal found 3/5![United Airlines logo]()
$357
This Southwest deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 4/55:15 am
BOS
- PDX
2 stops10h 15m
Southwest
Sun 4/1211:55 pm
PDX
- BOS
1 stop8h 00m
Southwest
Deal found 3/8![Southwest logo]()
$303
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 8/296:35 pm
BOS
- SEA
Nonstop6h 30m
Delta
Sat 9/510:00 pm
SEA
- BOS
Nonstop5h 35m
Delta
Deal found 3/9![Delta logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:05 pm
BOS
- PDX
Nonstop6h 20m
Alaska Airlines
Wed 6/39:46 pm
PDX
- BOS
Nonstop5h 34m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$387
This Southwest deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/153:45 pm
BOS
- PDX
1 stop11h 25m
Southwest
Mon 5/1811:55 pm
PDX
- BOS
1 stop8h 05m
Southwest
Deal found 3/8![Southwest logo]()
$303
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 4/85:30 am
BOS
- PDX
1 stop9h 56m
United Airlines
Mon 4/1310:56 pm
PDX
- BOS
2 stops11h 33m
United Airlines
Deal found 3/8![United Airlines logo]()
$372
This Alaska Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:00 am
BOS
- GEG
1 stop8h 52m
Alaska Airlines
Tue 6/96:00 am
GEG
- BOS
1 stop9h 11m
Alaska Airlines
Deal found 3/5![Alaska Airlines logo]()
$397
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:00 am
BOS
- PDX
2 stops13h 33m
United Airlines
Thu 4/92:30 pm
PDX
- BOS
1 stop7h 29m
United Airlines
Deal found 3/6![United Airlines logo]()
$372
This Alaska Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/85:56 pm
BOS
- GEG
1 stop31h 24m
Alaska Airlines
Mon 5/119:55 am
GEG
- BOS
1 stop18h 17m
Alaska Airlines
Deal found 3/5![Alaska Airlines logo]()
$403
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 8/243:30 pm
BOS
- GEG
1 stop11h 14m
Delta
Mon 8/317:07 pm
GEG
- BOS
1 stop8h 02m
Delta
Deal found 3/8![Delta logo]()
$407
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:10 pm
BOS
- PSC
1 stop9h 40m
United Airlines
Tue 6/91:35 pm
PSC
- BOS
2 stops13h 23m
United Airlines
Deal found 3/7![United Airlines logo]()
$392
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 3/313:15 pm
BOS
- SEA
2 stops11h 40m
Southwest
Wed 4/15:30 am
SEA
- BOS
1 stop9h 15m
Southwest
Deal found 3/9![Southwest logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/18:05 am
BOS
- GEG
1 stop16h 40m
Alaska Airlines
Mon 6/812:36 pm
GEG
- BOS
1 stop14h 44m
Alaska Airlines
Deal found 3/5![Alaska Airlines logo]()
$407
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/135:40 am
BOS
- GEG
1 stop10h 27m
Delta
Mon 7/207:07 pm
GEG
- BOS
1 stop8h 02m
Delta
Deal found 3/6![Delta logo]()
$407
Last-minute flights from Boston to WashingtonDiscover last-minute flight deals from Boston to Washington. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Washington. Data last updated March 10, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/27:10 am
BOS
- SEA
Nonstop6h 27m
Delta
Wed 4/83:45 pm
SEA
- BOS
Nonstop5h 14m
Delta
Deal found 3/6![Delta logo]()
$217
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/45:15 pm
BOS
- PDX
1 stop8h 38m
Delta
Fri 4/1012:30 am
PDX
- BOS
1 stop7h 18m
Delta
Deal found 3/9![Delta logo]()
$199
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/76:20 pm
BOS
- PDX
1 stop7h 50m
Southwest
Tue 4/147:25 pm
PDX
- BOS
2 stops9h 50m
Southwest
Deal found 3/9![Southwest logo]()
$204
This Southwest deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/72:25 pm
BOS
- PDX
2 stops11h 35m
Southwest
Sun 4/1211:55 pm
PDX
- BOS
1 stop8h 00m
Southwest
Deal found 3/6![Southwest logo]()
$234
This Southwest deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/82:25 pm
BOS
- PDX
1 stop11h 45m
Southwest
Tue 4/147:25 pm
PDX
- BOS
2 stops9h 50m
Southwest
Deal found 3/7![Southwest logo]()
$210
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/82:25 pm
BOS
- PDX
1 stop11h 45m
Southwest
Wed 4/157:25 pm
PDX
- BOS
2 stops9h 40m
Southwest
Deal found 3/9![Southwest logo]()
$220
This American Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/93:18 pm
BOS
- PDX
1 stop11h 36m
American Airlines
Mon 4/1311:47 pm
PDX
- BOS
1 stop7h 52m
American Airlines
Deal found 3/6![American Airlines logo]()
$219
This American Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/103:59 pm
BOS
- PDX
1 stop9h 57m
American Airlines
Sun 4/1211:47 pm
PDX
- BOS
1 stop8h 45m
American Airlines
Deal found 3/6![American Airlines logo]()
$229
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/252:37 pm
BOS
- SEA
1 stop9h 16m
United Airlines
Tue 5/51:07 pm
SEA
- BOS
1 stop7h 52m
United Airlines
Deal found 3/6![United Airlines logo]()
$232
This Delta deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:05 am
BOS
- PDX
1 stop7h 44m
Delta
Thu 5/711:20 am
PDX
- BOS
1 stop10h 22m
Delta
Deal found 3/5![Delta logo]()
$217
This Delta deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:10 am
BOS
- SEA
1 stop11h 41m
Delta
Sat 5/210:35 pm
SEA
- BOS
Nonstop5h 20m
Delta
Deal found 3/5![Delta logo]()
$227
This Southwest deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/292:25 pm
BOS
- PDX
2 stops10h 35m
Southwest
Tue 5/57:25 pm
PDX
- BOS
2 stops9h 50m
Southwest
Deal found 3/5![Southwest logo]()
$209
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 March 10, 2026.
Search for one-way flight options from Boston to Washington. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/72:25 pm
BOS
- SEA
2 stops12h 30m
Southwest
Deal found 3/9![Southwest logo]()
$124
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 6/106:35 pm
BOS
- SEA
Nonstop6h 30m
Delta
Deal found 3/8![Delta logo]()
$129
This Delta deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:45 pm
BOS
- PDX
1 stop8h 14m
Delta
Deal found 3/5![Delta logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/46:01 am
BOS
- SEA
2 stops32h 36m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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.
Mon 5/1112:56 pm
BOS
- PDX
2 stops27h 06m
Frontier
Deal found 3/10![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/612:55 pm
BOS
- PDX
2 stops25h 08m
Frontier
Deal found 3/6![Frontier logo]()
$133
This Southwest deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 4/253:15 pm
BOS
- SEA
2 stops9h 55m
Southwest
Deal found 3/10![Southwest logo]()
$134
This Alaska Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 6/115:53 pm
BOS
- PDX
1 stop8h 37m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$134
This CheapOair deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/209:55 am
BOS
- PDX
Nonstop6h 09m
JetBlue
Deal found 3/10![JetBlue logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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.
Tue 4/146:01 am
BOS
- SEA
3 stops30h 26m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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.
Tue 4/146:01 am
BOS
- PDX
3 stops32h 37m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$138
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 6/36:00 am
BOS
- SEA
1 stop9h 34m
United Airlines
Deal found 3/9![United Airlines logo]()
$139
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 March 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $199 (American Airlines) |
One-way from | $124 (Southwest) |
Popular in | December |
Cheapest in | May |
Average price | $317 |
Good round-trip deal | $315 or less |
Good one-way deal | $200 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 March 10, 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
Thu 4/2
6:45 pm-11:59 pm
1 stop8h 14m
Portland
Tue 4/7
5:36 pm-6:50 am
1 stop10h 14m
$219
BostonSeattle
BOS - SEA
BOSSEA
Boston Logan Intl
Sat 5/2
6:45 pm-10:05 pm
Nonstop6h 20m
Seattle/Tacoma Intl
Sat 5/9
6:00 am-5:10 pm
1 stop8h 10m
$227
BostonSeattle
BOS - SEA
BOSSEA
Boston Logan Intl
Thu 5/14
3:45 pm-12:05 am
1 stop11h 20m
Seattle/Tacoma Intl
Mon 5/18
11:55 pm-11:00 am
1 stop8h 05m
$242
BostonSeattle
BOS - SEA
BOSSEA
Boston Logan Intl
Sat 5/2
1:50 pm-10:10 pm
2 stops11h 20m
Seattle/Tacoma Intl
Sat 5/9
9:00 am-10:25 pm
2 stops10h 25m
$247
BostonPortland
BOS - PDX
BOSPDX
Boston Logan Intl
Mon 4/6
6:25 pm-12:45 am
1 stop9h 20m
Portland
Mon 4/13
11:55 pm-11:00 am
1 stop8h 05m
$265
BostonPortland
BOS - PDX
BOSPDX
Boston Logan Intl
Mon 4/20
3:45 pm-12:55 am
2 stops12h 10m
Portland
Mon 4/27
11:55 pm-11:00 am
1 stop8h 05m
$283
BostonSpokane
BOS - GEG
BOSGEG
Boston Logan Intl
Wed 4/1
3:05 pm-9:11 pm
1 stop9h 06m
Spokane
Wed 4/29
1:46 pm-11:59 pm
1 stop7h 13m
$297
BostonSpokane
BOS - GEG
BOSGEG
Boston Logan Intl
Sat 4/25
5:50 am-1:04 pm
1 stop10h 14m
Spokane
Sat 5/2
2:10 pm-11:36 pm
1 stop6h 26m
$297
BostonSpokane
BOS - GEG
BOSGEG
Boston Logan Intl
Wed 4/1
5:00 am-9:50 am
1 stop7h 50m
Spokane
Wed 4/29
5:10 am-6:35 pm
2 stops10h 25m
$302
BostonPortland
BOS - PDX
BOSPDX
Boston Logan Intl
Sun 4/5
5:15 am-12:30 pm
2 stops10h 15m
Portland
Sun 4/12
11:55 pm-10:55 am
1 stop8h 00m
$303
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
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, September is the cheapest month in which you can book a flight from Boston to State of Washington (average of $118). Flying from Boston to State of Washington in February is currently the most expensive (average of $256). 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 March 10, 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 March 10, 2026.
The most flights from BOS to USWA are scheduled on a Tuesday (23 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 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 March 10, 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.
Comfort
7.8
Entertainment
7.0
Food
7.1
Boarding
8.1
Crew
8.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Comfort
7.8
Entertainment
7.0
Food
7.1
Boarding
8.1
Crew
8.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Comfort
7.8
Entertainment
7.0
Food
7.1
Boarding
8.1
Crew
8.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Comfort
7.8
Entertainment
7.0
Food
7.1
Boarding
8.1
Crew
8.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Comfort
7.8
Entertainment
7.0
Food
7.1
Boarding
8.1
Crew
8.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Comfort
7.8
Entertainment
7.0
Food
7.1
Boarding
8.1
Crew
8.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - 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 March 10, 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 March 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$126 | Average$335 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$128 | Average$520 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$149 | Average$480 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$172 | Average$318 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$214 | Average$466 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$236 | Average$514 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$237 | Average$430 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$256 | Average$432 | FlexibilityNo cancel fee | On-time63% |