£78 Cheap United flights from Boston to Washington (BOS→IAD)

United flights from Boston to Washington (BOS→IAD)

Prices were available within the past 7 days and start at £78 for one-way flights and £168 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, 2 Oct - Mon, 6 Oct

BOS

Boston

IAD

Washington

£168 Return, found 4 days ago

£168

Return

found 4 days ago

Select United flight, departing Thu, 2 Oct from Boston to Washington, returning Mon, 6 Oct, priced at £168 found 4 days ago

Tue, 2 Dec - Fri, 19 Dec

BOS

Boston

IAD

Washington

£171 Return, found 5 hours ago

£171

Return

found 5 hours ago

Select United flight, departing Tue, 2 Dec from Boston to Washington, returning Fri, 19 Dec, priced at £171 found 5 hours ago

Sat, 30 Aug - Mon, 1 Sep

BOS

Boston

IAD

Washington

£173 Return, found 6 days ago

£173

Return

found 6 days ago

Select United flight, departing Sat, 30 Aug from Boston to Washington, returning Mon, 1 Sep, priced at £173 found 6 days ago

Thu, 2 Oct - Mon, 6 Oct

BOS

Boston

IAD

Washington

£175 Return, found 4 days ago

£175

Return

found 4 days ago

Select United flight, departing Thu, 2 Oct from Boston to Washington, returning Mon, 6 Oct, priced at £175 found 4 days ago

Tue, 30 Sep - Wed, 1 Oct

BOS

Boston

IAD

Washington

£177 Return, found 2 days ago

£177

Return

found 2 days ago

Select United flight, departing Tue, 30 Sep from Boston to Washington, returning Wed, 1 Oct, priced at £177 found 2 days ago

Fri, 24 Oct - Thu, 30 Oct

BOS

Boston

IAD

Washington

£178 Return, found 14 hours ago

£178

Return

found 14 hours ago

Select United flight, departing Fri, 24 Oct from Boston to Washington, returning Thu, 30 Oct, priced at £178 found 14 hours ago