- Cheapest roundtrip flight
- from€428
- Fastest outbound flight
- Fastest inbound flight
- non-stop flights
- 52x / week
- Flight distance
- 5,908 km
- Time difference
Cheap flight offers from London Heathrow to Washington DC
sorted by price and recency
- –
–LHR–IAD1 stopover–IAD–LHRnon-stop flight€428 - –
–LHR–IAD1 stopover–IAD–LHR1 stopover€492 - – –LHR–IAD1 stopover–IAD–LHRnon-stop flight€464
- –
–LHR–IAD1 stopover–IAD–LHRnon-stop flight€450 - –
–LHR–IADnon-stop flight–IAD–LHRnon-stop flight€767 - –
–LHR–IAD2 stopovers
–IAD–LHR1 stopover€636
Flight schedule from London Heathrow (LHR) to Washington DC (IAD)
Select a travel date in the flight schedule for the route from London Heathrow (LHR) to Washington DC (IAD) and compare affordable flight deals.
offers
Active filtersnone
Matching outbound flightsLHR–IAD · 9 of 9
fromto
dep.arr.
durationstopovers
- 2 – 8 November 2026
- 9 – 15 November 2026
- 16 – 22 November 2026
- LHRIAD1 stopover
- LHRIADnon-stop
- LHRIADnon-stop
- LHRIAD1 stopover
- LHRIADnon-stop
- LHRIADnon-stop
- LHRIADnon-stop
- LHRIADnon-stop
- LHRIADnon-stop
Tips and tricks to help you find cheap flights from London Heathrow to Washington DC
Favourite airline: Aer Lingus
The majority of passengers on the route London Heathrow – Washington DC prefer to fly with Aer Lingus.
Aer Lingus
32 %
TAP Portugal
25 %
Icelandair
18 %
Important flight information
Frequently Asked Questions (FAQ)
Which airports near London Heathrow are frequently used for flights to Washington DC?
As well as London Heathrow airport, users also frequently search for flights from London Gatwick to Washington DC. Alternative departure airports can offer more choice of flight times, airlines or prices. Do also check how accessible each airport is for you.