United flights from Washington, D.C. to Boston from $ 147*
More United deals on Washington, D.C. (IAD) to Boston (BOS) flights
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Select travel class
Washington, D.C. (IAD)to
Boston (BOS)
02/27/25 - 03/06/25
Roundtrip
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Economy
from
$ 182*
Viewed: 1 day ago
Washington, D.C. (IAD)to
Boston (BOS)
03/05/25 - 03/09/25
Roundtrip
|
Economy
from
$ 182*
Viewed: 1 day ago
Washington, D.C. (IAD)to
Boston (BOS)
03/14/25 - 03/15/25
Roundtrip
|
Economy
from
$ 207*
Viewed: 1 day ago
Washington, D.C. (IAD)to
Boston (BOS)
09/23/25 - 09/24/25
Roundtrip
|
Economy
from
$ 207*
Viewed: 19 hours ago
Washington, D.C. (IAD)to
Boston (BOS)
03/05/25 - 03/09/25
Roundtrip
|
Economy
from
$ 242*
Viewed: 1 day ago
Washington, D.C. (IAD)to
Boston (BOS)
02/27/25 - 03/06/25
Roundtrip
|
Economy
from
$ 242*
Viewed: 1 day ago
Washington, D.C. (IAD)to
Boston (BOS)
09/23/25 - 09/24/25
Roundtrip
|
Economy
from
$ 267*
Viewed: 19 hours ago
Washington, D.C. (IAD)to
Boston (BOS)
03/27/25 - 03/30/25
Roundtrip
|
Economy
from
$ 207*
Viewed: 6 hours ago
Washington, D.C. (IAD)to
Boston (BOS)
04/03/25 - 04/08/25
Roundtrip
|
Economy
from
$ 207*
Viewed: 4 hours ago
Washington, D.C. (IAD)to
Boston (BOS)
04/20/25 - 04/21/25
Roundtrip
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Economy
from
$ 207*
Viewed: 3 hours ago
Washington, D.C. (DCA)to
Boston (BOS)
06/01/25 - 06/04/25
Roundtrip
|
Economy
from
$ 377*
Viewed: 15 minutes ago
Washington, D.C. (DCA)to
Boston (BOS)
06/02/25 - 06/04/25
Roundtrip
|
Economy
from
$ 417*
Viewed: 4 hours ago
Washington, D.C. (DCA)to
Boston (BOS)
06/01/25 - 06/04/25
Roundtrip
|
Economy
from
$ 452*
Viewed: 15 minutes ago
Washington, D.C. (DCA)to
Boston (BOS)
06/02/25 - 06/04/25
Roundtrip
|
Economy
from
$ 507*
Viewed: 4 hours ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.
