Our cheapest offers for flights from Washington DC to United Kingdom

Here you can compare cheap flights from Washington DC (DCA) to United Kingdom 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 United Kingdom. Prices and availability may change at any time.

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

	Outbound	Return	Airlines	Baggage	Price
Best option Washington DC London Heathrow	Outbound 10/16/24 1 Stopover (YUL) AC8824, AC0864 12h 05min	Return 10/25/24 1 Stopover (YUL) AC0865, AC8825 12h 44min	Air Canada	?	$551
Washington DC London Heathrow	Outbound 10/07/24 1 Stopover (YUL) AC8820, AC0866 19h 30min	Return 10/17/24 1 Stopover (YUL) AC0867, AC8823 11h 29min	Air Canada	?	$559
Washington DC London Heathrow	Outbound 01/16/25 1 Stopover (YUL) AC8820, AC0866 20h 10min	Return 01/20/25 2 Stopovers (FRA, YUL) LH0919, AC0845, AC8823 24h 49min	Air Canada		$568