
$828 Cheap United flights London (LHR) to Washington (IAD)
$828 Cheap United flights London (LHR) to Washington (IAD)
Prices were available within the past 7 days and start at $828 for one-way flights and $1,112 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jun 15 - Thu, Jul 2
LHR
London
IAD
Washington
$1,112 Roundtrip, just found
$1,112
Roundtrip
just found
Find the cheapest month to fly from London (LHR) to Washington (IAD)
February is typically the cheapest month to fly
From $463 - $777 per traveler.
Travel information
Origin airport | Heathrow |
|---|---|
Destination airport | Washington Dulles Intl. |
Airlines serving | Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, ITA Airways, Iberia, Icelandair, KLM, Lufthansa, Royal Air Maroc, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United |
Popular airline | Royal Air Maroc |
Distance | 5866 km |
Average flight time | 3 hours 11 mins |
Explore a world of travel with Expedia
Most Popular United Routes from London
Most Popular United Routes from Washington
- Boston to London (BOS - LHR)
- Raleigh to Vancouver (RDU - YVR)
- New York to Orlando (LGA - MCO)
- Phoenix to Memphis (PHX - MEM)
- Lima to San Francisco (LIM - SFO)
- Newark Liberty Intl. Airport to Tampa (EWR - TPA)
- San Juan to Toronto (SJU - YYZ)
- Raleigh to Vancouver (RDU - YVR)
- San Francisco to Ontario (SFO - ONT)
- Denver to Washington (DEN - IAD)
Popular Domestic Routes in Washington Dulles Intl.
- Richmond to El Paso (RIC - ELP)
- San Francisco to Ontario (SFO - ONT)
- Springfield to Sacramento (SGF - SMF)
- Springfield to Sacramento (SGF - SMF)
- Des Moines to Indianapolis (DSM - IND)
- Omaha to Seattle (OMA - SEA)
- New York to Orlando (LGA - MCO)
- Newark Liberty Intl. Airport to Tampa (EWR - TPA)
- Houston to Miami (IAH - MIA)
- Phoenix to Memphis (PHX - MEM)