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Our cheapest offers for flights from United Kingdom a Washington DC

Here you can compare cheap flights from United Kingdom 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.

Flights from London Heathrow (LHR) to Washington DC (IAD)

	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