American Airlines Cheap Flights from Washington to London

View €328 flight on Sun, 24 Aug 2025Opens in a new window

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Prices were available within the past 7 days and start at €328 for one-way flights and €441 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, 3 Aug - Thu, 28 Aug
IAD
Washington
LHR
London
€441 Return, found 4 days ago
€441
Return
found 4 days ago
Select American Airlines flight, departing Sun, 3 Aug from Washington to London, returning Thu, 28 Aug, priced at €441 found 4 days ago
American Airlines
Sun, 10 Aug - Tue, 19 Aug
DCA
Washington
LHR
London
€445 Return, found 2 days ago
€445
Return
found 2 days ago
Select American Airlines flight, departing Sun, 10 Aug from Washington to London, returning Tue, 19 Aug, priced at €445 found 2 days ago
American Airlines
Sun, 3 Aug - Thu, 28 Aug
IAD
Washington
LHR
London
€446 Return, found 4 days ago
€446
Return
found 4 days ago
Select American Airlines flight, departing Sun, 3 Aug from Washington to London, returning Thu, 28 Aug, priced at €446 found 4 days ago
American Airlines
Tue, 26 Aug - Wed, 3 Sep
IAD
Washington
LGW
London
€512 Return, found 5 days ago
€512
Return
found 5 days ago
Select American Airlines flight, departing Tue, 26 Aug from Washington to London, returning Wed, 3 Sep, priced at €512 found 5 days ago
American Airlines
Wed, 27 Aug - Wed, 3 Sep
IAD
Washington
LGW
London
€516 Return, found 5 days ago
€516
Return
found 5 days ago
Select American Airlines flight, departing Wed, 27 Aug from Washington to London, returning Wed, 3 Sep, priced at €516 found 5 days ago
American Airlines
Sun, 24 Aug - Tue, 2 Sep
BWI
Baltimore
LHR
London
€542 Return, found 1 day ago
€542
Return
found 1 day ago
Select American Airlines flight, departing Sun, 24 Aug from Baltimore to London, returning Tue, 2 Sep, priced at €542 found 1 day ago
Washington to London route information
Origin airport
Washington Dulles Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Popular airline
British Airways
Distance
5866 km
*Available to Expedia members.