IAD to LHR (Washington to London) Flights

Last Minute Flights from IAD to LHR

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
IADLondonMay 18 to May 28$980
*Prices include taxes and fees

Cheapest IAD to LHR Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
IADLondonDecember 2 to December 11$457
IADLondonDecember 2 to December 11$461
IADLondonDecember 2 to December 11$464
IADLondonDecember 2 to December 11$464
*Prices include taxes and fees
IAD to LHR Flight Details
Origin airport
Washington Dulles Intl.
Origin airport IATA code
IAD
Destination airport
Heathrow
Destination airport IATA code
LHR
Distance
3666 mi

Washington to London Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from Washington to London to attend your cousin’s wedding, to pitch a business idea to your boss, or simply treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find our cheapest flights from IAD to LHR, we’ve got you covered here at Flights.com.

We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from Washington to London, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.