- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 40% on select hotels after you book a flight*
Plan, book, fly with confidence
American Airlines flights from Washington to London (IAD→LHR)
Prices were available within the past 7 days and start at S$637 for one-way flights and S$1,163 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Tue, 10 Sep - Thu, 26 Sep
IAD
Washington
LHR
London
S$1,163 Return, found 8 hours ago
S$1,163
Return
found 8 hours ago
Origin airport | Washington Dulles Intl. |
Destination airport | Heathrow |
Airlines serving | Aer Lingus, Air France, American Airlines, Austrian Airlines, British Airways, Delta, Finnair, KLM, Lufthansa, Turkish Airlines, United, Virgin Atlantic |
Popular airline | Delta |
Distance | 5866 km |
Average flight time | 11 hours 20 mins |
- Trending American Airlines Flights
- Trending Routes
- More Carriers
- Nearby Airports
- Flights from Other Cities
Most Popular American Airlines Routes from Washington
- Singapore to San Francisco (SIN - SFO)
- Singapore to New York (SIN - JFK)
- Vancouver to Singapore (YVR - SIN)
- Singapore to Houston (SIN - IAH)
- Toronto to Singapore (YYZ - SIN)
- Singapore to Chicago (SIN - ORD)
- Singapore to Denver (SIN - DEN)
- Singapore to Vancouver (SIN - YVR)
- Singapore to Toronto (SIN - YYZ)
- Singapore to Los Angeles (SIN - LAX)
Popular Domestic Routes in Heathrow
- Singapore to Vancouver (SIN - YVR)
- Singapore to Calgary (SIN - YYC)
- Vancouver to Singapore (YVR - SIN)
- Singapore to Denver (SIN - DEN)
- Singapore to Los Angeles (SIN - LAX)
- Singapore to Chicago (SIN - ORD)
- Singapore to Seattle (SIN - SEA)
- Singapore to Toronto (SIN - YYZ)
- Toronto to Singapore (YYZ - SIN)
- Singapore to San Diego (SIN - SAN)
Nearby Airports
- Manassas Regional Airport (MNZ)
- Montgomery County Airpark Airport (GAI)
- Ronald Reagan Washington National Airport (DCA)
- Eastern West Virginia Regional Airport (MRB)
- Baltimore Washington Intl. Thurgood Marshall Airport (BWI)
- Charlottesville-Albemarle Airport (CHO)
- Shenandoah Valley Regional Airport (SHD)
- Harrisburg Intl. Airport (MDT)
*Available to Expedia members.