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Our cheapest offers for flights from London Heathrow to Washington DC

Here you can compare cheap flights from London Heathrow (LHR) to Washington DC (IAD) 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 Heathrow Washington DC	Outbound 12/13/24 1 Stopover (DUB) EI0155, EI0119 14h 25min	Return 12/31/24 1 Stopover (DUB) EI0116, EI0152 09h 55min	Aer Lingus Irish Airlines		$649
Best option London Heathrow Washington DC	Outbound 12/13/24 direct BA0293 08h 15min	Return 12/31/24 direct BA0292 07h 10min	British Airways	?	$744
London Heathrow Washington DC	Outbound 12/13/24 1 Stopover (DUB) EI0155, EI0119 14h 25min	Return 12/31/24 1 Stopover (DUB) EI0116, EI0152 09h 55min	Aer Lingus Irish Airlines		$657
London Heathrow Washington DC	Outbound 12/13/24 1 Stopover (DUB) EI0155, EI0119 14h 25min	Return 12/31/24 1 Stopover (DUB) EI0116, EI0152 09h 55min	Aer Lingus Irish Airlines	?	$683
London Heathrow Washington DC	Outbound 12/13/24 1 Stopover (AMS) VS7047, VS7121 12h 05min	Return 12/31/24 direct VS0022 07h 30min	Virgin Atlantic Airways	?	$711
London Heathrow Washington DC	Outbound 12/13/24 1 Stopover (LIS) TP1369, TP0231 24h 05min	Return 12/31/24 1 Stopover (LIS) TP0232, TP1366 24h 10min	TAP Air Portugal		$746
London Heathrow Washington DC	Outbound 12/13/24 1 Stopover (AMS) VS7047, VS7121 12h 05min	Return 12/31/24 direct VS0022 07h 30min	Virgin Atlantic Airways	?	$747
London Heathrow Washington DC	Outbound 12/13/24 1 Stopover (AMS) VS7047, VS7121 12h 05min	Return 12/31/24 direct VS0022 07h 30min	Virgin Atlantic Airways	?	$782
London Heathrow Washington DC	Outbound 12/13/24 1 Stopover (VIE) OS0458, OS0093 13h 35min	Return 12/31/24 1 Stopover (ORD) OS7915, OS7854 12h 53min	Austrian Airlines	?	$849
London Heathrow Washington DC	Outbound 12/13/24 1 Stopover (ZRH) LX0345, LX3200 14h 30min	Return 12/31/24 1 Stopover (ZRH) LX0073, LX0332 11h 15min	Swiss International Air Lines	?	$913

Departure airport

London Heathrow

Destination airport

Washington DC - Dulles International Airport, DC

Stops

Direct flight

Airline

Virgin Atlantic Airways
Aer Lingus Irish Airlines
American Airlines
Swiss International Air Lines
Austrian Airlines

Flight type

Return

Outbound departure month

December 2024

Outbound weekday

Friday

Return departure month

December 2024

Return weekday

Tuesday

Change in

Zurich (Zürich)-Kloten
Vienna International
Amsterdam-Schiphol
Lisbon
Dublin

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

Flight information: London Heathrow - Washington DC

Roundtrip from	$648.67
Flight duration	min. 08:20 / max. 08:45
Return flight duration	min. 07:00/ max. 07:25
Distance	5908 km
Flights per week	52
Departure airport	Airport London Heathrow (LHR)
Departure country	Flights from United Kingdom
Arrival airport	Airport Washington DC - Dulles International Airport, DC (IAD)
Destination country	Flights to United States

Alternative routes to United States

Flight London Heathrow - Atlanta from $793
Flight London Heathrow - Chicago O'Hare from $537
Flight London Heathrow - Newark from $472
Flight London Heathrow - New York from $523

Flight destinations with a similar price

Flight Washington DC - Miami from $453
Flight Washington DC - Los Angeles from $200
Flight Washington DC - Orlando from $215
Flight Washington DC - San Francisco from $385
Flight Washington DC - Las Vegas from $303
Flight Washington DC - Honolulu from $533
Flight Washington DC - Boston from $184
Flight Washington DC - Chicago O'Hare from $156
Flight Washington DC - Fort Myers from $387
Flight Washington DC - Dallas from $235

Flights from London Heathrow to Washington DC