Cheap flights from London to Washington, D.C. from €349

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Tue 14/2

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.

Best price found

€349

Fastest flight time

7h 20m

Direct flights

Every day

Airports in Washington, D.C.

2 airports
The best one-way flight to Washington, D.C. from London in the past 72 hours is €349. The best return flight deal from London to Washington, D.C. found on momondo in the last 72 hours is €502.
The fastest flight from London to Washington, D.C. takes 7h 20m
Direct flights go from London to Washington, D.C. every day.
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.?

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

When is the cheapest time to fly from London to Washington, D.C.?

in the morning. London to Washington, D.C. flights are approximately 0% more expensive in the morning than in the morning

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

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

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

54 days before. The cheapest time to buy a flight from London to Washington, D.C. is approximately 54 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 €551 RT during the month of February.

London Heathrow Airport (LHR) to Washington, D.C. Dulles Intl Airport (IAD)€551
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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
Virgin Atlantic
16 Apr
LHR08:45London Heathrow
8h 25m
IAD17:10Washington, D.C. Dulles Intl
9 May
IAD14:15Washington, D.C. Dulles Intl
7h 30m
LHR21:45London Heathrow
JetBlue
14 Feb
LHR07:20London Heathrow
12h 58m
1 stop
BWI20:18Baltimore/Washington
21 Feb
BWI06:41Baltimore/Washington
13h 14m
1 stop
LHR19:55London Heathrow
Aer Lingus
2 Mar
LHR03:50London Heathrow
12h 00m
1 stop
IAD15:50Washington, D.C. Dulles Intl
5 Mar
IAD12:20Washington, D.C. Dulles Intl
9h 45m
1 stop
LHR22:05London Heathrow
Austrian Airlines
20 Feb
LHR01:00London Heathrow
13h 50m
1 stop
IAD14:50Washington, D.C. Dulles Intl
28 Feb
IAD03:25Washington, D.C. Dulles Intl
7h 25m
LHR10:50London Heathrow
Delta
1 Mar
LHR01:30London Heathrow
14h 20m
1 stop
IAD15:50Washington, D.C. Dulles Intl
8 Mar
IAD13:25Washington, D.C. Dulles Intl
11h 30m
1 stop
LHR00:55London Heathrow
Brussels Airlines
2 May
LHR02:50London Heathrow
12h 30m
1 stop
IAD15:20Washington, D.C. Dulles Intl
9 May
IAD13:05Washington, D.C. Dulles Intl
12h 30m
1 stop
LHR01:35London 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 Icelandair and TAP AIR PORTUGAL
TAP AIR PORTUGAL
7 Mar
LHR01:00London Heathrow
13h 25m
1 stop
IAD14:25Washington, D.C. Dulles Intl
Multiple Airlines
7 Mar
LHR01:00London Heathrow
20h 40m
2 stops
BWI21:40Baltimore/Washington
Icelandair
5 Apr
LHR09:05London Heathrow
11h 20m
1 stop
BWI20:25Baltimore/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
9 Feb
LHR03:50London Heathrow
12h 00m
1 stop
IAD15:50Washington, D.C. Dulles Intl
12 Feb
IAD12:20Washington, D.C. Dulles Intl
10h 45m
1 stop
LHR23:05London Heathrow
JetBlue
9 Feb
LHR07:20London Heathrow
12h 58m
1 stop
BWI20:18Baltimore/Washington
13 Feb
BWI05:20Baltimore/Washington
14h 35m
1 stop
LHR19:55London Heathrow
Austrian Airlines
8 Feb
LHR01:00London Heathrow
13h 50m
1 stop
IAD14:50Washington, D.C. Dulles Intl
12 Mar
IAD05:25Washington, D.C. Dulles Intl
7h 25m
LHR12:50London Heathrow
Delta
9 Feb
LHR11:45London Heathrow
8h 20m
IAD20:05Washington, D.C. Dulles Intl
13 Feb
IAD07:52Washington, D.C. Dulles Intl
13h 23m
1 stop
LHR21:15London Heathrow
British Airways
11 Feb
LHR11:30London Heathrow
8h 25m
IAD19:55Washington, D.C. Dulles Intl
16 Feb
IAD13:25Washington, D.C. Dulles Intl
7h 05m
LHR20:30London Heathrow
KLM
8 Feb
LHR04:40London Heathrow
11h 46m
1 stop
BWI16:26Baltimore/Washington
12 Feb
BWI12:00Baltimore/Washington
9h 55m
1 stop
LHR21:55London Heathrow

Virgin Atlantic flights from London to Washington, D.C.

Our best Virgin Atlantic deals on London to Washington, D.C. flight tickets
Virgin Atlantic
16 Apr
LHR08:45London Heathrow
8h 25m
IAD17:10Washington, D.C. Dulles Intl
9 May
IAD14:15Washington, D.C. Dulles Intl
7h 30m
LHR21:45London Heathrow
Virgin Atlantic
15 Mar
LHR04:40London Heathrow
12h 10m
1 stop
IAD16:50Washington, D.C. Dulles Intl
21 Mar
IAD19:55Washington, D.C. Dulles Intl
6h 55m
LHR02:50London Heathrow
Virgin Atlantic
26 Apr
LHR02:30London Heathrow
14h 05m
1 stop
IAD16:35Washington, D.C. Dulles Intl
7 May
IAD14:15Washington, D.C. Dulles Intl
7h 30m
LHR21:45London Heathrow

Austrian Airlines flights from London to Washington, D.C.

Our best Austrian Airlines deals on London to Washington, D.C. flight tickets
Austrian Airlines
20 Feb
LHR01:00London Heathrow
13h 50m
1 stop
IAD14:50Washington, D.C. Dulles Intl
28 Feb
IAD03:25Washington, D.C. Dulles Intl
7h 25m
LHR10:50London Heathrow
Austrian Airlines
17 Feb
LHR01:00London Heathrow
13h 50m
1 stop
IAD14:50Washington, D.C. Dulles Intl
22 Feb
IAD13:10Washington, D.C. Dulles Intl
7h 10m
LHR20:20London Heathrow
Austrian Airlines
8 Feb
LHR01:00London Heathrow
13h 50m
1 stop
IAD14:50Washington, D.C. Dulles Intl
12 Mar
IAD05:25Washington, D.C. Dulles Intl
7h 25m
LHR12:50London 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 05m.


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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