Cheap flights from London to Washington

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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
Quickest
Cheapest
Austrian Airlines
Austrian Airlines
11 Nov
LHR
18:00
London Heathrow airport
51h 25m
2 Stops
16:25
+2
IAD
Washington Dulles Intl airport
Austrian Airlines
13 Nov
IAD
13:25
Washington Dulles Intl airport
7h 15m
01:40
+1
LHR
London Heathrow airport
269 GBP
Austrian Airlines
Austrian Airlines
11 Nov
LHR
18:00
London Heathrow airport
51h 25m
2 Stops
16:25
+2
IAD
Washington Dulles Intl airport
Austrian Airlines
13 Nov
IAD
13:25
Washington Dulles Intl airport
7h 15m
01:40
+1
LHR
London Heathrow airport
269 GBP
American Airlines
American Airlines
08 Nov
LHR
19:25
London Heathrow airport
19h 00m
1 Stop
09:25
+1
DCA
Washington Reagan-National airport
American Airlines
10 Nov
DCA
03:00
Washington Reagan-National airport
21h 10m
1 Stop
05:10
+1
LHR
London Heathrow airport
272 GBP
British Airways
British Airways
11 Nov
LHR
11:50
London Heathrow airport
8h 25m
15:15
IAD
Washington Dulles Intl airport
British Airways
21 Nov
IAD
12:50
Washington Dulles Intl airport
7h 05m
00:55
+1
LHR
London Heathrow airport
377 GBP
Finnair
Finnair
28 Oct
LHR
11:50
London Heathrow airport
8h 25m
16:15
IAD
Washington Dulles Intl airport
Finnair
06 Nov
IAD
13:25
Washington Dulles Intl airport
7h 05m
01:30
+1
LHR
London Heathrow airport
385 GBP
Iberia
Iberia
02 Dec
LHR
17:00
London Heathrow airport
8h 25m
20:25
IAD
Washington Dulles Intl airport
Iberia
08 Dec
IAD
17:45
Washington Dulles Intl airport
7h 05m
05:50
+1
LHR
London Heathrow airport
441 GBP

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 afternoon
London to Washington flights are approximately 8% more expensive at midday than in the afternoon
What is the cheapest airline that flies to Washington?
WOW air
WOW air and TAP AIR PORTUGAL are the most popular carriers operating from London to Washington
What is the cheapest route?
London Heathrow - Washington Reagan-National
Fly from London Heathrow to Washington Reagan-National 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

Flight information for London to Washington

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
7h 55m
Cheapest price
291 GBP
Manchester to Philadelphia
Fastest flight time
7h 55m
Cheapest price
332 GBP
Birmingham to Washington
Fastest flight time
13h 00m
Cheapest price
356 GBP
Birmingham to Philadelphia
Fastest flight time
12h 55m
Cheapest price
356 GBP
Manchester to Washington
Fastest flight time
11h 10m
Cheapest price
362 GBP
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*Flight prices to Washington are based on prices for economy tickets found by momondo users during searches within the last 72 hours. These prices may no longer be available.