Cheap flights from London to Washington from €443

Return
1 adult
Economy
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Mon 31/1
Mon 7/2

Flight information for London to Washington
(LON to WAS)

Find info about flight duration, direct flights, and airports for your flight from London to Washington
Fastest flight time8h 15mThe fastest flight from London to Washington takes 8h 15m
Direct flightsNoneThere are no direct flights from London to Washington. Popular non-direct routes for this connection are London Heathrow Airport - Baltimore/Washington Airport and London Heathrow Airport - Washington Dulles Intl Airport.
Airports in Washington2 airportsThere are 2 airports near Washington: Washington Reagan-National (DCA), Washington Dulles Intl (IAD)

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 from London 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 depart London for Washington?

Wednesday

The cheapest day of the week is usually Wednesday. The most expensive is usually Thursday.

What is the cheapest London to Washington flight route?

London Heathrow - Washington Dulles Intl

Fly from London Heathrow to Washington Dulles Intl for the best London - Washington flight prices

How far in advance should you book London to Washington flights?

33 days before

The cheapest time to buy a flight from London to Washington is approximately 33 days to departure


Easily compare return flights from London to Washington

Below you can see the best fares for your return 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
TAP AIR PORTUGAL
19 Feb
LHR01:00London Heathrow
13h 20m
1 stop
IAD14:20Washington Dulles Intl
26 Feb
IAD13:00Washington Dulles Intl
12h 25m
1 stop
LHR01:25London Heathrow
Aer Lingus
23 Mar
LHR03:50London Heathrow
13h 00m
1 stop
IAD16:50Washington Dulles Intl
28 Mar
IAD13:00Washington Dulles Intl
10h 00m
1 stop
LHR23:00London Heathrow
Austrian Airlines
29 Mar
LHR05:05London Heathrow
34h 30m
1 stop
IAD15:35Washington Dulles Intl
13 Apr
IAD14:30Washington Dulles Intl
7h 15m
LHR21:45London Heathrow
Lufthansa
8 Mar
LHR01:50London Heathrow
12h 40m
1 stop
IAD14:30Washington Dulles Intl
17 Mar
IAD14:55Washington Dulles Intl
7h 25m
LHR22:20London Heathrow
Icelandair
9 Mar
LHR07:15London Heathrow
10h 55m
1 stop
IAD18:10Washington Dulles Intl
22 Mar
IAD16:35Washington Dulles Intl
10h 15m
1 stop
LHR02:50London Heathrow
SWISS
13 Mar
LHR04:50London Heathrow
34h 35m
1 stop
IAD15:25Washington Dulles Intl
28 Mar
IAD13:50Washington Dulles Intl
22h 50m
1 stop
LHR12:40London Heathrow

Find the cheapest one-way flights from London to Washington

If you're looking for one-way flights from London to Washington, view some of our deals below provided by Icelandair, Lufthansa and TAP AIR PORTUGAL
TAP AIR PORTUGAL
26 Feb
LHR01:00London Heathrow
13h 20m
1 stop
IAD14:20Washington Dulles Intl
Icelandair
8 Jun
LHR09:05London Heathrow
11h 25m
1 stop
BWI20:30Baltimore/Washington
Multiple Airlines
4 Jun
LHR02:00London Heathrow
22h 57m
2 stops
BWI00:57Baltimore/Washington

Search last-minute flights to Washington from London

Find and compare return flight prices for your last-minute flight from London to Washington
Aer Lingus
2 Feb
LHR03:50London Heathrow
12h 00m
1 stop
IAD15:50Washington Dulles Intl
12 Feb
IAD12:20Washington Dulles Intl
9h 40m
1 stop
LHR22:00London Heathrow
Turkish Airlines
2 Feb
LHR12:40London Heathrow
30h 15m
1 stop
IAD18:55Washington Dulles Intl
7 Feb
IAD17:35Washington Dulles Intl
34h 00m
1 stop
LHR03:35London Heathrow
Delta
2 Feb
LHR01:30London Heathrow
14h 34m
2 stops
BWI16:04Baltimore/Washington
7 Feb
BWI12:00Baltimore/Washington
11h 50m
1 stop
LHR23:50London Heathrow
Lufthansa
2 Feb
LHR07:05London Heathrow
8h 40m
IAD15:45Washington Dulles Intl
7 Feb
IAD12:55Washington Dulles Intl
7h 25m
LHR20:20London Heathrow
KLM
2 Feb
LHR06:00London Heathrow
11h 43m
1 stop
BWI17:43Baltimore/Washington
7 Feb
BWI10:13Baltimore/Washington
11h 17m
1 stop
LHR21:30London Heathrow
Austrian Airlines
3 Feb
LHR07:05London Heathrow
8h 40m
IAD15:45Washington Dulles Intl
9 Feb
IAD12:55Washington Dulles Intl
7h 25m
LHR20:20London Heathrow

Lufthansa flights from London to Washington

Our best Lufthansa deals on London to Washington flight tickets
Lufthansa
8 Mar
LHR01:50London Heathrow
12h 40m
1 stop
IAD14:30Washington Dulles Intl
17 Mar
IAD14:55Washington Dulles Intl
7h 25m
LHR22:20London Heathrow
Lufthansa
7 Mar
LHR01:50London Heathrow
12h 40m
1 stop
IAD14:30Washington Dulles Intl
17 Mar
IAD14:55Washington Dulles Intl
7h 25m
LHR22:20London Heathrow
Lufthansa
15 Mar
LHR02:50London Heathrow
12h 40m
1 stop
IAD15:30Washington Dulles Intl
11 May
IAD14:30Washington Dulles Intl
7h 15m
LHR21:45London Heathrow

Aer Lingus flights from London to Washington

Our best Aer Lingus deals on London to Washington flight tickets
Aer Lingus
23 Mar
LHR03:50London Heathrow
13h 00m
1 stop
IAD16:50Washington Dulles Intl
28 Mar
IAD13:00Washington Dulles Intl
10h 00m
1 stop
LHR23:00London Heathrow
Aer Lingus
9 Mar
LHR03:50London Heathrow
12h 00m
1 stop
IAD15:50Washington Dulles Intl
15 Mar
IAD14:20Washington Dulles Intl
9h 40m
1 stop
LHR00:00London Heathrow
Aer Lingus
2 Feb
LHR03:50London Heathrow
12h 00m
1 stop
IAD15:50Washington Dulles Intl
13 Feb
IAD12:20Washington Dulles Intl
9h 40m
1 stop
LHR22:00London Heathrow

  • Are airlines flying from London to Washington offering flexible changes due to COVID-19?

    Due to the global impact of COVID-19, some of our airline partners operating flights from London to Washington, such as Aer Lingus may have flexible change policies in place. Use our site to search for all of the airlines offering this flexibility to you.

  • How far is London to Washington by plane?

    A flight from London to Washington will travel around 5893.9 km. By plane, this route typically takes 8h 05m.