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
KLM
KLM
08 Feb
LHR
15:55
London Heathrow airport
11h 08m
1 Stop
22:03
IAD
Washington Dulles Intl airport
KLM
09 Feb
IAD
13:25
Washington Dulles Intl airport
7h 15m
01:40
+1
LHR
London Heathrow airport
260 GBP
TAP AIR PORTUGAL
TAP AIR PORTUGAL
17 Jan
LGW
10:40
London Gatwick airport
14h 35m
1 Stop
20:15
IAD
Washington Dulles Intl airport
TAP AIR PORTUGAL
24 Jan
IAD
17:40
Washington Dulles Intl airport
12h 05m
1 Stop
10:45
+1
LGW
London Gatwick airport
304 GBP
TAP AIR PORTUGAL
TAP AIR PORTUGAL
22 Jan
LGW
10:40
London Gatwick airport
14h 35m
1 Stop
20:15
IAD
Washington Dulles Intl airport
TAP AIR PORTUGAL
05 Feb
IAD
17:40
Washington Dulles Intl airport
11h 50m
1 Stop
10:30
+1
LGW
London Gatwick airport
310 GBP
KLM
KLM
08 Feb
LHR
15:55
London Heathrow airport
11h 08m
1 Stop
22:03
IAD
Washington Dulles Intl airport
KLM
09 Feb
IAD
13:25
Washington Dulles Intl airport
7h 15m
01:40
+1
LHR
London Heathrow airport
260 GBP
Iberia
Iberia
25 Nov
LHR
10:10
London Heathrow airport
12h 07m
1 Stop
17:17
BWI
Baltimore/Washington airport
Iberia
02 Dec
BWI
15:40
Baltimore/Washington airport
6h 55m
03:35
+1
LHR
London Heathrow airport
347 GBP
Icelandair
Icelandair
12 Jan
LHR
12:15
London Heathrow airport
11h 10m
1 Stop
18:25
IAD
Washington Dulles Intl airport
Icelandair
17 Jan
IAD
14:40
Washington Dulles Intl airport
10h 10m
1 Stop
05:50
+1
LHR
London Heathrow airport
367 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 5% more expensive in the morning than in the afternoon
What is the cheapest airline that flies to Washington?
WOW air
WOW air, TAP AIR PORTUGAL, and Thomas Cook Airlines 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 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 25m The fastest flight from London to Washington takes 8h 25m.
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
286 GBP
Birmingham to Baltimore
Fastest flight time
14h 15m
Cheapest price
364 GBP
Birmingham to Washington
Fastest flight time
12h 20m
Cheapest price
406 GBP
Birmingham to Philadelphia
Fastest flight time
14h 40m
Cheapest price
430 GBP
Norwich to Washington
Fastest flight time
11h 40m
Cheapest price
973 GBP
Norwich to Baltimore
Fastest flight time
19h 34m
Cheapest price
1,181 GBP
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