Cheap flights from London to Washington, D.C. from €471

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1 adult
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0 bags
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Sat 20/8

Flight information for London to Washington, D.C.
(LON to WAS)

Find info about flight duration, direct flights, and airports for your flight from London to Washington, D.C.

Fastest flight time

8h 05m

Direct flights

None

Airports in Washington, D.C.

2 airports
The fastest flight from London to Washington, D.C. takes 8h 05m
There are no direct flights from London to Washington, D.C.. Popular non-direct routes for this connection are London Heathrow Airport - Washington, D.C. Dulles Intl Airport and London Heathrow Airport - Baltimore/Washington Airport.
There are 2 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD)

How to get the cheapest flight ticket from London to Washington, D.C.

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, D.C.?

February

The cheapest time of year to fly to Washington, D.C. from London is February. The most expensive is July.

What is the cheapest day to depart London for Washington, D.C.?

Wednesday

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

What is the cheapest London to Washington, D.C. flight route?

London Heathrow - Baltimore/Washington

Fly from London Heathrow to Baltimore/Washington for the best London - Washington, D.C. flight prices

How far in advance should you book London to Washington, D.C. flights?

60 days before

The cheapest time to buy a flight from London to Washington, D.C. is approximately 60 days to departure

When you’re planning your trip from London to Washington, D.C., the most popular airport-to-airport route is London Heathrow Airport to Washington, D.C. Dulles Intl Airport. The cheapest route from London to Washington, D.C. is LHR — IAD with an average price of €2,333 RT during the month of August.

London Heathrow Airport (LHR) to Washington, D.C. Dulles Intl Airport (IAD)€2,333
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Easily compare return flights from London to Washington, D.C.

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, D.C. by changing tabs
TAP AIR PORTUGAL
4 Feb
LHR01:00London Heathrow
13h 25m
1 stop
IAD14:25Washington, D.C. Dulles Intl
18 Feb
IAD12:35Washington, D.C. Dulles Intl
12h 50m
1 stop
LHR01:25London Heathrow
Icelandair
27 Oct
LHR09:10London Heathrow
11h 00m
1 stop
IAD20:10Washington, D.C. Dulles Intl
28 Nov
IAD14:35Washington, D.C. Dulles Intl
10h 10m
1 stop
LHR00:45London Heathrow
Aer Lingus
20 Oct
LHR09:25London Heathrow
10h 55m
1 stop
IAD20:20Washington, D.C. Dulles Intl
4 Nov
IAD14:20Washington, D.C. Dulles Intl
9h 40m
1 stop
LHR00:00London Heathrow
JetBlue
5 Oct
LHR04:25London Heathrow
14h 06m
1 stop
BWI18:31Baltimore/Washington
25 Oct
BWI09:00Baltimore/Washington
12h 30m
1 stop
LHR21:30London Heathrow
Austrian Airlines
2 Nov
LHR02:00London Heathrow
13h 50m
1 stop
IAD15:50Washington, D.C. Dulles Intl
7 Nov
IAD12:45Washington, D.C. Dulles Intl
7h 10m
LHR19:55London Heathrow
Delta
14 Sep
LHR09:30London Heathrow
8h 20m
IAD17:50Washington, D.C. Dulles Intl
21 Sep
IAD14:45Washington, D.C. Dulles Intl
7h 25m
LHR22:10London Heathrow

Find the cheapest one-way flights from London to Washington, D.C.

If you're looking for one-way flights from London to Washington, D.C., view some of our deals below provided by Finnair, Icelandair and TAP AIR PORTUGAL
TAP AIR PORTUGAL
13 Sep
LHR02:00London Heathrow
13h 45m
1 stop
IAD15:45Washington, D.C. Dulles Intl
Icelandair
5 Oct
LHR09:05London Heathrow
11h 25m
1 stop
BWI20:30Baltimore/Washington
Multiple Airlines
15 Sep
LHR02:00London Heathrow
22h 59m
2 stops
BWI00:59Baltimore/Washington

Search last-minute flights to Washington, D.C. from London

Find and compare return flight prices for your last-minute flight from London to Washington, D.C.
Aer Lingus
18 Aug
LHR05:50London Heathrow
14h 30m
1 stop
IAD20:20Washington, D.C. Dulles Intl
15 Nov
IAD12:20Washington, D.C. Dulles Intl
9h 40m
1 stop
LHR22:00London Heathrow
Delta
18 Aug
LHR12:20London Heathrow
11h 29m
1 stop
IAD23:49Washington, D.C. Dulles Intl
17 Nov
IAD17:55Washington, D.C. Dulles Intl
6h 55m
LHR00:50London Heathrow
Virgin Atlantic
18 Aug
LHR12:20London Heathrow
11h 29m
1 stop
IAD23:49Washington, D.C. Dulles Intl
17 Nov
IAD01:00Washington, D.C. Dulles Intl
9h 05m
1 stop
LHR10:05London Heathrow
€1,055
Find similar
KLM
18 Aug
LHR12:20London Heathrow
11h 29m
1 stop
IAD23:49Washington, D.C. Dulles Intl
16 Nov
IAD12:00Washington, D.C. Dulles Intl
9h 55m
1 stop
LHR21:55London Heathrow
€1,062
Find similar
Icelandair
17 Aug
LHR09:05London Heathrow
11h 05m
1 stop
IAD20:10Washington, D.C. Dulles Intl
17 Nov
IAD14:35Washington, D.C. Dulles Intl
10h 10m
1 stop
LHR00:45London Heathrow
€1,256
Find similar
Lufthansa
16 Aug
LHR05:30London Heathrow
11h 30m
1 stop
IAD17:00Washington, D.C. Dulles Intl
16 Nov
IAD12:45Washington, D.C. Dulles Intl
7h 10m
LHR19:55London Heathrow
€1,265
Find similar

Aer Lingus flights from London to Washington, D.C.

Our best Aer Lingus deals on London to Washington, D.C. flight tickets
Aer Lingus
20 Oct
LHR09:25London Heathrow
10h 55m
1 stop
IAD20:20Washington, D.C. Dulles Intl
4 Nov
IAD14:20Washington, D.C. Dulles Intl
9h 40m
1 stop
LHR00:00London Heathrow
Aer Lingus
7 Sep
LHR05:50London Heathrow
10h 50m
1 stop
IAD16:40Washington, D.C. Dulles Intl
1 Mar
IAD12:20Washington, D.C. Dulles Intl
9h 40m
1 stop
LHR22:00London Heathrow
Aer Lingus
20 Oct
LHR05:50London Heathrow
10h 50m
1 stop
IAD16:40Washington, D.C. Dulles Intl
18 Jan
IAD12:20Washington, D.C. Dulles Intl
9h 40m
1 stop
LHR22:00London Heathrow

Icelandair flights from London to Washington, D.C.

Our best Icelandair deals on London to Washington, D.C. flight tickets
Icelandair
27 Oct
LHR09:10London Heathrow
11h 00m
1 stop
IAD20:10Washington, D.C. Dulles Intl
3 Dec
IAD14:35Washington, D.C. Dulles Intl
10h 10m
1 stop
LHR00:45London Heathrow
Icelandair
11 Nov
LHR07:05London Heathrow
11h 05m
1 stop
IAD18:10Washington, D.C. Dulles Intl
29 Nov
IAD14:35Washington, D.C. Dulles Intl
10h 10m
1 stop
LHR00:45London Heathrow
Icelandair
8 Sep
LHR09:10London Heathrow
11h 00m
1 stop
IAD20:10Washington, D.C. Dulles Intl
2 Oct
IAD16:35Washington, D.C. Dulles Intl
10h 20m
1 stop
LHR02:55London Heathrow

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

    To ease the stress of booking flights, some of our airline partners flying from London to Washington, D.C. are responding to the global pandemic. The following airline may have a flexible change policy to help accommodate travellers: Aer Lingus.

  • How far is London to Washington, D.C. by plane?

    A flight from London to Washington, D.C. will travel around 5893.9 km. By plane, this route typically takes 8h 20m.



Why use momondo?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from London.

Yes. momondo enables you to select and highlight flights to Washington, D.C. from London with this policy.

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from London.

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from London and alert you when they change.


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