Our cheapest offers for flights from London to Washington DC

Here you can compare cheap flights from London (LON) to Washington DC (WAS) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Washington DC. Prices and availability may change at any time.

	Outbound	Return	Airlines	Baggage	Price
London Washington-DC	Outbound 03/09/25 1 Stopover (KEF) FI0473, FI0649 11h 30min	Return 15/09/25 1 Stopover (KEF) FI0644, FI0472 13h 05min	Icelandair		£566
Best option London Washington-DC	Outbound 02/05/25 direct AY5533 08h 05min	Return 19/05/25 direct AY5532 07h 25min	Finnair		£667
London Washington-DC	Outbound 08/06/25 1 Stopover (IST) TK1998, TK0187 23h 30min	Return 27/06/25 1 Stopover (IST) TK0188, TK1981 15h 25min	Turkish Airlines		£790
London Washington-DC	Outbound 03/09/25 1 Stopover (CPH) SK0502, SK0925 14h 39min	Return 15/09/25 1 Stopover (CPH) SK0926, SK1517 14h 35min	SAS Scandinavian Airlines	?	£570
London Washington-DC	Outbound 13/05/25 2 Stopovers (OSL, CPH) SK0802, SK1461, SK0925 41h 54min	Return 09/06/25 1 Stopover (CPH) SK0926, SK0501 30h 15min	SAS Scandinavian Airlines		£581
London Washington-DC	Outbound 02/05/25 1 Stopover (CPH) SK0500, SK0925 18h 19min	Return 19/05/25 1 Stopover (CPH) SK0926, SK1517 14h 35min	SAS Scandinavian Airlines	?	£585
London Washington-DC	Outbound 13/05/25 1 Stopover (CPH) SK0502, SK0925 14h 39min	Return 09/06/25 1 Stopover (CPH) SK0926, SK1501 18h 35min	SAS Scandinavian Airlines		£586
London Washington-DC	Outbound 13/05/25 1 Stopover (CPH) SK0502, SK0925 14h 39min	Return 09/06/25 1 Stopover (CPH) SK0926, SK1501 18h 35min	SAS Scandinavian Airlines		£587
London Washington-DC	Outbound 13/05/25 1 Stopover (CPH) SK0502, SK0925 14h 39min	Return 09/06/25 1 Stopover (CPH) SK0926, SK1501 18h 35min	SAS Scandinavian Airlines		£588
London Washington-DC	Outbound 02/05/25 1 Stopover (CPH) SK0500, SK0925 18h 19min	Return 19/05/25 1 Stopover (CPH) SK0926, SK1517 14h 35min	SAS Scandinavian Airlines		£591

Tips and tricks to help you find cheap flights from London to Washington DC

Important flight information

Flight information: London - Washington-DC

Outbound and return from	£565.70
Flight duration	min. 08:20 / max. 08:45
Return flight duration	min. 07:00/ max. 08:22
Distance	5903 km
Flights per week	52
Departure airport	Airport London (LCY, LGW, LHR, LTN, STN, SEN) (LON)
Arrival airport	Airport Washington-DC (WAS)
Destination country	Flights to United States

Alternative routes to United States

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