British Airways Cheap Flights from Washington to London

View €328 flight on Sun, 12 Oct 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 €442 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Tue, 9 Sep - Tue, 23 Sep
IAD
Washington
LHR
London
€442 Return, found 3 days ago
€442
Return
found 3 days ago
Select British Airways flight, departing Tue, 9 Sep from Washington to London, returning Tue, 23 Sep, priced at €442 found 3 days ago
British Airways
Mon, 11 Aug - Tue, 19 Aug
IAD
Washington
LHR
London
€499 Return, found 11 hours ago
€499
Return
found 11 hours ago
Select British Airways flight, departing Mon, 11 Aug from Washington to London, returning Tue, 19 Aug, priced at €499 found 11 hours ago
British Airways
Mon, 11 Aug - Tue, 19 Aug
IAD
Washington
LHR
London
€537 Return, found 11 hours ago
€537
Return
found 11 hours ago
Select British Airways flight, departing Mon, 11 Aug from Washington to London, returning Tue, 19 Aug, priced at €537 found 11 hours ago
British Airways
Thu, 24 Jul - Mon, 28 Jul
DCA
Washington
LHR
London
€569 Return, found 5 days ago
€569
Return
found 5 days ago
Select British Airways flight, departing Thu, 24 Jul from Washington to London, returning Mon, 28 Jul, priced at €569 found 5 days ago
British Airways
Sun, 21 Sep - Thu, 2 Oct
BWI
Baltimore
LHR
London
€589 Return, found 6 days ago
€589
Return
found 6 days ago
Select British Airways flight, departing Sun, 21 Sep from Baltimore to London, returning Thu, 2 Oct, priced at €589 found 6 days ago
British Airways
Sun, 10 Aug - Tue, 19 Aug
IAD
Washington
LHR
London
€591 Return, found 15 hours ago
€591
Return
found 15 hours ago
Select British Airways flight, departing Sun, 10 Aug from Washington to London, returning Tue, 19 Aug, priced at €591 found 15 hours 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, Fly Play, ITA Airways, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, United, Virgin Atlantic
Popular airline
British Airways
Distance
5866 km
*Available to Expedia members.