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
American Airlines
American Airlines
02 Nov
LHR
1:55 pm
London Heathrow airport
21h 33m
1 Stop
6:28 am
+1
DCA
Washington Reagan-National airport
American Airlines
03 Nov
DCA
6:00 am
Washington Reagan-National airport
15h 10m
1 Stop
2:10 am
+1
LHR
London Heathrow airport
351 USD
American Airlines
American Airlines
02 Nov
LHR
1:55 pm
London Heathrow airport
21h 33m
1 Stop
6:28 am
+1
DCA
Washington Reagan-National airport
American Airlines
03 Nov
DCA
6:00 am
Washington Reagan-National airport
15h 10m
1 Stop
2:10 am
+1
LHR
London Heathrow airport
351 USD
American Airlines
American Airlines
02 Nov
LHR
4:20 pm
London Heathrow airport
19h 08m
1 Stop
6:28 am
+1
DCA
Washington Reagan-National airport
American Airlines
04 Nov
DCA
1:52 am
Washington Reagan-National airport
19h 58m
1 Stop
2:50 am
+1
LHR
London Heathrow airport
355 USD
Lufthansa
Lufthansa
21 Dec
LHR
7:30 am
London Heathrow airport
8h 45m
11:15 am
IAD
Washington Dulles Intl airport
Lufthansa
01 Jan
IAD
11:00 am
Washington Dulles Intl airport
10h 30m
1 Stop
2:30 am
+1
LHR
London Heathrow airport
719 USD
United Airlines
United Airlines
09 Dec
LHR
12:00 pm
London Heathrow airport
11h 14m
1 Stop
6:14 pm
DCA
Washington Reagan-National airport
United Airlines
15 Jan
DCA
1:00 am
Washington Reagan-National airport
9h 35m
1 Stop
3:35 pm
LHR
London Heathrow airport
771 USD
Aer Lingus
Aer Lingus
28 Nov
LGW
8:35 am
London Gatwick airport
12h 20m
1 Stop
3:55 pm
IAD
Washington Dulles Intl airport
Aer Lingus
05 Dec
IAD
12:25 pm
Washington Dulles Intl airport
9h 30m
1 Stop
2:55 am
+1
LGW
London Gatwick airport
531 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
What is the cheapest month to fly to Washington?
February
The cheapest time of year to fly to Washington from London is February. Most expensive is July
What is the cheapest day to fly to Washington?
Friday
The cheapest day of the week is typically Friday. The most expensive is typically Sunday
When is the cheapest time to fly to Washington?
in the afternoon
London to Washington flights are approximately 11% more expensive in the evening than in the afternoon
What is the cheapest airline that flies to Washington?
WOW air
WOW air and SWISS are the most popular carriers operating from London to Washington
What is the cheapest route?
London Heathrow - Washington Dulles Intl
Fly from London Heathrow 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 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 2 airports There are 2 airports near Washington: Washington Reagan-National (DCA), 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
8h 10m
Cheapest price
368 USD
Manchester to Philadelphia
Fastest flight time
7h 50m
Cheapest price
433 USD
Manchester to Washington
Fastest flight time
11h 10m
Cheapest price
450 USD
Birmingham to Philadelphia
Fastest flight time
12h 50m
Cheapest price
452 USD
Birmingham to Washington
Fastest flight time
11h 50m
Cheapest price
475 USD
View more

Flights from London to:

Flights to Washington from:

  • London
  • England
  • United Kingdom
  • Europe