Cheap flights from London to Washington

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Easily compare round trip flights from London to Washington

Below you can see the best fares for your round trip flight 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
Quickest
Cheapest
TAP AIR PORTUGAL
TAP AIR PORTUGAL
27 Nov
LGW
10:40 am
London Gatwick airport
14h 35m
1 Stop
8:15 pm
IAD
Washington Dulles Intl airport
TAP AIR PORTUGAL
01 Dec
IAD
5:40 pm
Washington Dulles Intl airport
12h 05m
1 Stop
10:45 am
+1
LGW
London Gatwick airport
409 USD
TAP AIR PORTUGAL
TAP AIR PORTUGAL
27 Nov
LGW
10:40 am
London Gatwick airport
14h 35m
1 Stop
8:15 pm
IAD
Washington Dulles Intl airport
TAP AIR PORTUGAL
01 Dec
IAD
5:40 pm
Washington Dulles Intl airport
12h 05m
1 Stop
10:45 am
+1
LGW
London Gatwick airport
409 USD
TAP AIR PORTUGAL
TAP AIR PORTUGAL
05 Dec
LGW
10:40 am
London Gatwick airport
14h 35m
1 Stop
8:15 pm
IAD
Washington Dulles Intl airport
TAP AIR PORTUGAL
08 Dec
IAD
5:40 pm
Washington Dulles Intl airport
12h 05m
1 Stop
10:45 am
+1
LGW
London Gatwick airport
413 USD
Lufthansa
Lufthansa
30 Sep
LHR
10:30 am
London Heathrow airport
11h 35m
1 Stop
5:05 pm
IAD
Washington Dulles Intl airport
Lufthansa
07 Oct
IAD
2:25 pm
Washington Dulles Intl airport
7h 20m
2:45 am
+1
LHR
London Heathrow airport
948 USD
Virgin Atlantic
Virgin Atlantic
29 Aug
LHR
10:25 am
London Heathrow airport
11h 36m
1 Stop
5:01 pm
DCA
Washington Reagan-National airport
Virgin Atlantic
14 Sep
DCA
2:05 am
Washington Reagan-National airport
9h 05m
1 Stop
4:10 pm
LHR
London Heathrow airport
669 USD
Icelandair
Icelandair
01 Oct
LGW
2:10 pm
London Gatwick airport
10h 55m
1 Stop
8:05 pm
IAD
Washington Dulles Intl airport
Icelandair
08 Oct
IAD
4:30 pm
Washington Dulles Intl airport
10h 15m
1 Stop
7:45 am
+1
LGW
London Gatwick airport
559 USD

How to get the cheapest flight ticket 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 ticket for your trip
CHEAPEST MONTH TO FLY
February
The cheapest time of year to fly to Washington from London is February. Most expensive is July
CHEAPEST DAY TO FLY
Wednesday
The cheapest day of the week is typically Wednesday. The most expensive is typically Sunday
CHEAPEST TIME TO FLY
in the afternoon
London to Washington flights are approximately 108% more expensive at noon than in the afternoon
CHEAPEST AIRLINE
SWISS
SWISS and WOW air are the most popular carriers operating from London to Washington
CHEAPEST ROUTE
London Luton - Washington Dulles Intl
Fly from London Luton to Washington Dulles Intl for the best London - Washington flight prices
CHEAPEST TIME TO BOOK
60 days before
The cheapest time to buy a flight from London to Washington is approximately 60 days to departure
60
Days before departure
0

Flight information for London to Washington (WAS - LON)

Find info about flight duration, direct flights, and airports for your flight from London to Washington
Fastest flight time
8h 0m
The fastest flight from London to Washington takes 8h 0m.
Direct flights
Every day
Direct flights go from London to Washington every day.
Airports in Washington
3 airports
There are 3 airports near Washington: Washington Reagan-National (DCA), Baltimore/Washington (BWI), Washington Dulles Intl (IAD)

Alternative routes for London to Washington

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
London to Philadelphia
Fastest flight time
7h 55m
Cheapest price
368 USD
Birmingham to Washington
Fastest flight time
11h 50m
Cheapest price
514 USD
Manchester to Washington
Fastest flight time
11h 00m
Cheapest price
530 USD
Manchester to Philadelphia
Fastest flight time
7h 50m
Cheapest price
487 USD
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Flights from London to:

Flights to Washington from:

  • London
  • England
  • United Kingdom
  • Europe