Washington Boston - Cheap flights

Special flight deals from Washington to Boston

Washington - Boston
5 days
Tue 30 Jun
IAD-BOS· Direct
United Airlines
Sat 04 Jul
BOS-IAD· Direct
United Airlines
from192 USD
Washington - Boston
5 days
Tue 30 Jun
IAD-BOS· Direct
United Airlines
Sat 04 Jul
BOS-IAD· Direct
United Airlines
from192 USD
Washington - Boston
6 days
Fri 18 Sep
DCA-BOS· Direct
Delta Air Lines
Wed 23 Sep
BOS-DCA· Direct
Delta Air Lines
from195 USD
Washington - Boston
4 days
Wed 05 Aug
DCA-BOS· Direct
American Airlines
Sat 08 Aug
BOS-DCA· Direct
American Airlines
from196 USD
Washington - Boston
4 days
Wed 05 Aug
DCA-BOS· Direct
American Airlines
Sat 08 Aug
BOS-DCA· Direct
American Airlines
from196 USD
Washington - Boston
4 days
Wed 05 Aug
DCA-BOS· Direct
American Airlines
Sat 08 Aug
BOS-DCA· Direct
American Airlines
from196 USD
Washington - Boston
5 days
Tue 30 Jun
DCA-BOS· Direct
Delta Air Lines
Sat 04 Jul
BOS-DCA· Direct
Delta Air Lines
from197 USD
Washington - Boston
5 days
Tue 30 Jun
DCA-BOS· Direct
Delta Air Lines
Sat 04 Jul
BOS-DCA· Direct
Delta Air Lines
from197 USD
Washington - Boston
5 days
Tue 30 Jun
DCA-BOS· Direct
Delta Air Lines
Sat 04 Jul
BOS-DCA· Direct
Delta Air Lines
from197 USD
Baltimore - Boston
4 days
Wed 08 Jul
BWI-BOS· Direct
Delta Air Lines
Sat 11 Jul
BOS-BWI· Direct
Delta Air Lines
from201 USD
Baltimore - Boston
3 days
Sun 16 Aug
BWI-BOS· Direct
Delta Air Lines
Tue 18 Aug
BOS-BWI· Direct
Delta Air Lines
from201 USD
Baltimore - Boston
3 days
Wed 08 Jul
BWI-BOS· Direct
Delta Air Lines
Fri 10 Jul
BOS-BWI· Direct
Delta Air Lines
from206 USD
Baltimore - Boston
3 days
Wed 08 Jul
BWI-BOS· Direct
Delta Air Lines
Fri 10 Jul
BOS-BWI· Direct
Delta Air Lines
from206 USD
Baltimore - Boston
3 days
Wed 08 Jul
BWI-BOS· Direct
Delta Air Lines
Fri 10 Jul
BOS-BWI· Direct
Delta Air Lines
from206 USD
Baltimore - Boston
6 days
Wed 08 Jul
BWI-BOS· Direct
Delta Air Lines
Mon 13 Jul
BOS-BWI· Direct
Delta Air Lines
from206 USD
Baltimore - Boston
3 days
Wed 08 Jul
BWI-BOS· Direct
Delta Air Lines
Fri 10 Jul
BOS-BWI· Direct
Delta Air Lines
from206 USD
Washington - Boston
5 days
Tue 30 Jun
IAD-BOS· Direct
United Airlines
Sat 04 Jul
BOS-IAD· Direct
United Airlines
from226 USD
Washington - Boston
5 days
Tue 30 Jun
IAD-BOS· Direct
United Airlines
Sat 04 Jul
BOS-IAD· Direct
United Airlines
from226 USD
Washington - Boston
7 days
Fri 10 Jul
IAD-BOS· Direct
United Airlines
Thu 16 Jul
BOS-IAD· Direct
United Airlines
from227 USD
Washington - Boston
6 days
Mon 27 Jul
IAD-BOS· Direct
United Airlines
Sat 01 Aug
BOS-IAD· Direct
United Airlines
from227 USD

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Find the best time to book cheap flights to Boston

Flexible on travel dates? Discover the cheapest month to fly to Boston

Cheapest round-trip flight
from 167 USD
Cheapest month to travel
August
The cheapest day to fly
Monday
Lowest prices
30 days before

Jun

187 USD

Jul

201 USD

Aug

167 USD

Sep

195 USD

Oct

325 USD

Nov

297 USD

Dec

287 USD

Jan

287 USD

Feb

Mar

Apr

May

When is the best time to buy flight tickets?

Find out how far in advance it's worth booking round-trip flights.

6 months before
from
252 USD
3 months before
from
347 USD
30 days before
from
201 USD
7 days before
from
460 USD
1 day before
from
401 USD

Discover the cheapest day to fly

Discover on which day of the week flights are usually the most affordable.

182 USD

Mon

286 USD

Tue

205 USD

Wed

225 USD

Thu

278 USD

Fri

355 USD

Sat

225 USD

Sun

General information

Local time (UTC-5)
05:48, 10 Jun 2026
Flight time from Washington
1 h 35 min
Local currency
USD

Boston

Boston is a city in the northeastern United States, the capital of Massachusetts, located on Massachusetts Bay. Founded in 1630, it is one of the oldest cities in the USA. It is a key academic and economic hub, renowned for universities like Harvard and MIT. Home to over 50 colleges, it attracts thousands of students. Boston offers a rich cultural life with theaters and museums. The climate is temperate: winters are cold, summers warm. The best time to visit is spring and autumn.