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
TAP AIR PORTUGAL
TAP AIR PORTUGAL
17 Nov
LHR
19:55
London Heathrow airport
28h 45m
1 Stop
19:40
+1
IAD
Washington Dulles Intl airport
TAP AIR PORTUGAL
25 Nov
IAD
17:40
Washington Dulles Intl airport
17h 55m
1 Stop
16:35
+1
LHR
London Heathrow airport
344 GBP
TAP AIR PORTUGAL
TAP AIR PORTUGAL
17 Nov
LHR
19:55
London Heathrow airport
28h 45m
1 Stop
19:40
+1
IAD
Washington Dulles Intl airport
TAP AIR PORTUGAL
25 Nov
IAD
17:40
Washington Dulles Intl airport
17h 55m
1 Stop
16:35
+1
LHR
London Heathrow airport
344 GBP
Virgin Atlantic
Virgin Atlantic
26 Sep
LHR
21:25
London Heathrow airport
24h 10m
1 Stop
16:35
+1
IAD
Washington Dulles Intl airport
Virgin Atlantic
28 Sep
IAD
11:35
Washington Dulles Intl airport
23h 35m
1 Stop
16:10
+1
LHR
London Heathrow airport
405 GBP
Lufthansa
Lufthansa
20 Nov
LHR
08:30
London Heathrow airport
12h 20m
1 Stop
15:50
IAD
Washington Dulles Intl airport
Lufthansa
26 Nov
IAD
13:30
Washington Dulles Intl airport
7h 10m
01:40
+1
LHR
London Heathrow airport
640 GBP
KLM
KLM
01 Nov
LCY
07:45
London City airport
13h 05m
1 Stop
16:50
IAD
Washington Dulles Intl airport
KLM
12 Nov
IAD
12:35
Washington Dulles Intl airport
9h 35m
1 Stop
03:10
+1
LCY
London City airport
644 GBP
Aer Lingus
Aer Lingus
01 Nov
LCY
08:45
London City airport
12h 15m
1 Stop
17:00
IAD
Washington Dulles Intl airport
Aer Lingus
11 Nov
IAD
12:40
Washington Dulles Intl airport
10h 35m
1 Stop
04:15
+1
LCY
London City airport
447 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
CHEAPEST MONTH TO FLY
February
The cheapest time of year to fly to Washington from London is February. The most expensive is July.
CHEAPEST DAY TO FLY
Thursday
The cheapest day of the week is usually Thursday. The most expensive is usually Sunday.
CHEAPEST TIME TO FLY
in the afternoon
London to Washington flights are approximately 11% more expensive at midday than in the afternoon
CHEAPEST AIRLINE
Thomas Cook Airlines
Thomas Cook Airlines and WOW air are the most popular carriers operating from London to Washington
CHEAPEST ROUTE
London Heathrow - Washington Dulles Intl
Fly from London Heathrow 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 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
3 airports
There are 3 airports near Washington: Washington Reagan-National (DCA), Baltimore/Washington (BWI), Washington Dulles Intl (IAD)

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Flights to Washington from: