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Cheap flights from Washington to London

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

Find info about flight duration, direct flights, and airports for your flight from Washington to London
Best price found £266 The best flight deal from Washington to London found on momondo in the last 72 hours is £266
Fastest flight time 6h 55m The fastest flight from Washington to London takes 6h 55m.
Direct flights None There are no direct flights from Washington to London. Popular non-direct routes for this connection are Baltimore/Washington - London Heathrow, Washington Reagan-National - London Heathrow and Washington Dulles Intl - London Heathrow.
Airports in London 6 airports There are 6 airports near London: London City (LCY), London Heathrow (LHR), London Luton (LTN), London Stansted (STN), London Gatwick (LGW), London Southend (SEN)

How to get the cheapest flight from Washington to London

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 London?
February
The cheapest time of year to fly to London from Washington is February. The most expensive is June.
What is the cheapest day to fly to London?
Wednesday
The cheapest day of the week is usually Wednesday. The most expensive is usually Thursday.
When is the cheapest time to fly to London?
at midday
Washington to London flights are approximately 16% more expensive in the morning than at midday
What is the cheapest airline that flies to London?
Air Canada
Air Canada, WOW air, and TAP AIR PORTUGAL are the most popular carriers operating from Washington to London
What is the cheapest route?
Washington Dulles Intl - London Stansted
Fly from Washington Dulles Intl to London Stansted for the best Washington - London flight prices
When is the cheapest time to book a flight to London?
60 days before
The cheapest time to buy a flight from Washington to London is approximately 60 days before departure
60
Days before departure
0

Washington to London 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 Washington to London by changing tabs
Cheapest
Best
Quickest
Multiple Airlines
30 Sep
IAD
Washington Dulles Intl
20h 24m
2 stops
STN
London Stansted
13 Oct
STN
London Stansted
16h 55m
2 stops
IAD
Washington Dulles Intl
TAP AIR PORTUGAL
3 Dec
IAD
Washington Dulles Intl
16h 45m
1 stop
LGW
London Gatwick
7 Dec
LGW
London Gatwick
26h 35m
1 stop
IAD
Washington Dulles Intl
Multiple Airlines
3 Oct
IAD
Washington Dulles Intl
20h 30m
2 stops
STN
London Stansted
13 Oct
STN
London Stansted
16h 55m
2 stops
IAD
Washington Dulles Intl

Find the cheapest one-way flights from Washington to London

If you're looking for one-way flights from Washington to London, view some of our deals below.
Cheapest
Best
Quickest
Multiple Airlines
7 Sep
BWI
Baltimore/Washington
29h 40m
2 stops
LHR
London Heathrow
TAP AIR PORTUGAL
14 Sep
BWI
Baltimore/Washington
17h 50m
2 stops
LHR
London Heathrow
Multiple Airlines
24 Aug
BWI
Baltimore/Washington
19h 30m
2 stops
LHR
London Heathrow

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