$1,631 Cheap United flights London (LHR) to Washington (IAD)

$1,631 Cheap United flights London (LHR) to Washington (IAD)

Prices were available within the past 7 days and start at $1,631 for one-way flights and $728 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, May 28 - Sun, Jun 8

LHR

London

IAD

Washington

$728 Roundtrip, found 13 hours ago

$728

Roundtrip

found 13 hours ago

Select United flight, departing Wed, May 28 from London to Washington, returning Sun, Jun 8, priced at $728 found 13 hours ago

Thu, May 29 - Sun, Jun 8

LHR

London

IAD

Washington

$730 Roundtrip, found 13 hours ago

$730

Roundtrip

found 13 hours ago

Select United flight, departing Thu, May 29 from London to Washington, returning Sun, Jun 8, priced at $730 found 13 hours ago

Mon, Jun 2 - Thu, Jun 5

LHR

London

IAD

Washington

$1,828 Roundtrip, found 13 hours ago

$1,828

Roundtrip

found 13 hours ago

Select United flight, departing Mon, Jun 2 from London to Washington, returning Thu, Jun 5, priced at $1,828 found 13 hours ago