Cheap flights from London to Washington

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London (LON)
Washington (WAS)
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Flight information for London to Washington
(LON to WAS)

Find info about flight duration, direct flights, and airports for your flight from London to Washington
Best price found £206 The best flight deal from London to Washington found on momondo in the last 72 hours is £206
Fastest flight time 8h 5m The fastest flight from London to Washington takes 8h 5m.
Direct flights None There are no direct flights from London to Washington. Popular non-direct routes for this connection are London Heathrow - Washington Dulles Intl, London Heathrow - Washington Reagan-National and London Heathrow - Baltimore/Washington.
Airports in Washington 2 airports There are 2 airports near Washington: Washington Reagan-National (DCA), Washington Dulles Intl (IAD)

How to get the cheapest flight from London to Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight for your trip
What is the cheapest month to fly to Washington?
February
The cheapest time of year to fly to Washington from London is February. The most expensive is July.
What is the cheapest day to fly to Washington?
Thursday
The cheapest day of the week is usually Thursday. The most expensive is usually Sunday.
When is the cheapest time to fly to Washington?
in the evening
London to Washington flights are approximately 4% more expensive in the morning than in the evening
What is the cheapest airline that flies to Washington?
TAP AIR PORTUGAL
TAP AIR PORTUGAL, WOW air, and American Airlines are the most popular carriers operating from London to Washington
What is the cheapest route?
London Stansted - Washington Dulles Intl
Fly from London Stansted to Washington Dulles Intl for the best London - Washington flight prices
When is the cheapest time to book a flight to Washington?
60 days before
The cheapest time to buy a flight from London to Washington is approximately 60 days before departure
60
Days before departure
0

London to Washington flight comparison made easy

Below you can see the best fares for your route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from London to Washington by changing tabs
Cheapest
Best
Quickest
Multiple Airlines
9 Dec
LGW
London Gatwick
22h 15m
2 stops
IAD
Washington Dulles Intl
16 Apr
IAD
Washington Dulles Intl
12h 00m
1 stop
LGW
London Gatwick
TAP AIR PORTUGAL
1 Oct
LHR
London Heathrow
33h 15m
1 stop
IAD
Washington Dulles Intl
22 Oct
IAD
Washington Dulles Intl
22h 00m
1 stop
LHR
London Heathrow
Multiple Airlines
5 Nov
STN
London Stansted
30h 25m
2 stops
IAD
Washington Dulles Intl
19 Nov
IAD
Washington Dulles Intl
16h 25m
2 stops
STN
London Stansted

Find the cheapest one-way flights from London to Washington

If you're looking for one-way flights from London to Washington, view some of our deals below.
Cheapest
Best
Quickest
Multiple Airlines
26 Oct
STN
London Stansted
33h 35m
2 stops
IAD
Washington Dulles Intl
Multiple Airlines
29 Sep
STN
London Stansted
31h 25m
2 stops
IAD
Washington Dulles Intl
Multiple Airlines
29 Sep
LTN
London Luton
36h 00m
2 stops
IAD
Washington Dulles Intl

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