Cheap flights from London Heathrow Airport to Washington, D.C. from €416

Return
1 adult
Economy
0 bags
From?
To?
Tue 6/12
Tue 13/12

Flight information for London Heathrow Airport to Washington, D.C.
(LHR to WAS)

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

Fastest flight time

7h 00m

Direct flights

Every day

Airports in Washington, D.C.

2 airports
The fastest flight from London Heathrow Airport to Washington, D.C. takes 7h 00m
Direct flights go from London Heathrow Airport 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 Heathrow Airport 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 Heathrow Airport to Washington, D.C.?

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

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

59 days before. The cheapest time to buy a flight from London Heathrow Airport to Washington, D.C. is approximately 59 days to departure

When travelling from London to Washington, D.C., the most popular airport to fly into is Washington, D.C. Dulles Intl Airport. The majority of travellers flying into Washington, D.C. Dulles Intl Airport from London are departing from London Heathrow Airport. The cheapest route from London to Washington, D.C. is LHR — IAD with an average price of €514 RT during the month of December.

London Heathrow Airport (LHR) to Washington, D.C. Dulles Intl Airport (IAD)€514
Search Flight Deals

Easily compare return flights from London Heathrow Airport 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 Heathrow Airport to Washington, D.C. by changing tabs
TAP AIR PORTUGAL
9 Feb
LHR01:00London Heathrow
13h 25m
1 stop
IAD14:25Washington, D.C. Dulles Intl
13 Feb
IAD17:35Washington, D.C. Dulles Intl
18h 00m
1 stop
LHR11:35London Heathrow
Aer Lingus
20 Jan
LHR02:50London Heathrow
13h 00m
1 stop
IAD15:50Washington, D.C. Dulles Intl
28 Jan
IAD12:20Washington, D.C. Dulles Intl
10h 45m
1 stop
LHR23:05London Heathrow
KLM
18 Jan
LHR03:40London Heathrow
12h 10m
1 stop
IAD15:50Washington, D.C. Dulles Intl
24 Jan
IAD13:25Washington, D.C. Dulles Intl
11h 05m
1 stop
LHR00:30London Heathrow
Delta
30 Jan
LHR04:00London Heathrow
12h 40m
1 stop
IAD16:40Washington, D.C. Dulles Intl
6 Feb
IAD17:55Washington, D.C. Dulles Intl
6h 55m
LHR00:50London Heathrow
Icelandair
17 Feb
LHR07:15London Heathrow
10h 55m
1 stop
IAD18:10Washington, D.C. Dulles Intl
22 Feb
IAD14:40Washington, D.C. Dulles Intl
10h 10m
1 stop
LHR00:50London Heathrow
Multiple Airlines
20 Mar
LHR08:15London Heathrow
8h 25m
IAD16:40Washington, D.C. Dulles Intl
28 Mar
IAD13:53Washington, D.C. Dulles Intl
10h 07m
1 stop
LHR00:00London Heathrow

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

If you're looking for one-way flights from London Heathrow Airport to Washington, D.C., view some of our deals below provided by Icelandair and TAP AIR PORTUGAL
TAP AIR PORTUGAL
21 Mar
LHR02:00London Heathrow
13h 25m
1 stop
IAD15:25Washington, D.C. Dulles Intl
Icelandair
17 May
LHR09:05London Heathrow
11h 25m
1 stop
BWI20:30Baltimore/Washington
Multiple Airlines
17 May
LHR04:00London Heathrow
15h 14m
2 stops
IAD19:14Washington, D.C. Dulles Intl

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

Find and compare return flight prices for your last-minute flight from London Heathrow Airport to Washington, D.C.
Aer Lingus
9 Dec
LHR03:50London Heathrow
12h 00m
1 stop
IAD15:50Washington, D.C. Dulles Intl
11 Dec
IAD12:20Washington, D.C. Dulles Intl
9h 45m
1 stop
LHR22:05London Heathrow
Icelandair
9 Dec
LHR07:15London Heathrow
10h 55m
1 stop
IAD18:10Washington, D.C. Dulles Intl
12 Dec
IAD14:40Washington, D.C. Dulles Intl
10h 10m
1 stop
LHR00:50London Heathrow
Scandinavian Airlines
8 Dec
LHR01:40London Heathrow
13h 50m
1 stop
IAD15:30Washington, D.C. Dulles Intl
25 Dec
IAD12:15Washington, D.C. Dulles Intl
17h 45m
1 stop
LHR06:00London Heathrow
ITA Airways
6 Dec
LHR15:00London Heathrow
32h 04m
2 stops
IAD23:04Washington, D.C. Dulles Intl
13 Dec
IAD07:10Washington, D.C. Dulles Intl
26h 00m
2 stops
LHR09:10London Heathrow
JetBlue
8 Dec
LHR07:20London Heathrow
13h 32m
1 stop
BWI20:52Baltimore/Washington
15 Dec
BWI05:25Baltimore/Washington
14h 30m
1 stop
LHR19:55London Heathrow
Multiple Airlines
11 Dec
LHR01:40London Heathrow
16h 50m
2 stops
BWI18:30Baltimore/Washington
14 Dec
BWI14:30Baltimore/Washington
19h 00m
1 stop
LHR09:30London Heathrow

TAP AIR PORTUGAL flights from London Heathrow Airport to Washington, D.C.

Our best TAP AIR PORTUGAL deals on London Heathrow Airport to Washington, D.C. flight tickets
TAP AIR PORTUGAL
9 Feb
LHR01:00London Heathrow
13h 25m
1 stop
IAD14:25Washington, D.C. Dulles Intl
13 Feb
IAD17:35Washington, D.C. Dulles Intl
18h 00m
1 stop
LHR11:35London Heathrow
TAP AIR PORTUGAL
30 Jan
LHR08:40London Heathrow
12h 25m
1 stop
IAD21:05Washington, D.C. Dulles Intl
6 Feb
IAD17:35Washington, D.C. Dulles Intl
13h 55m
1 stop
LHR07:30London Heathrow
TAP AIR PORTUGAL
9 Feb
LHR01:00London Heathrow
13h 25m
1 stop
IAD14:25Washington, D.C. Dulles Intl
13 Feb
IAD17:35Washington, D.C. Dulles Intl
19h 05m
1 stop
LHR12:40London Heathrow

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

Our best Aer Lingus deals on London Heathrow Airport to Washington, D.C. flight tickets
Aer Lingus
20 Jan
LHR02:50London Heathrow
13h 00m
1 stop
IAD15:50Washington, D.C. Dulles Intl
28 Jan
IAD12:20Washington, D.C. Dulles Intl
10h 45m
1 stop
LHR23:05London Heathrow
Aer Lingus
9 Dec
LHR03:50London Heathrow
12h 00m
1 stop
IAD15:50Washington, D.C. Dulles Intl
11 Dec
IAD12:20Washington, D.C. Dulles Intl
9h 45m
1 stop
LHR22:05London Heathrow

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

    Due to the global impact of COVID-19, some of our airline partners operating flights from London Heathrow to Washington, D.C., 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 Heathrow to Washington, D.C. by plane?

    Washington, D.C. is 5873.1 km away from London Heathrow. A reasonable flight in good conditions will take 8h 05m.


Alternative routes for London Heathrow Airport to Washington, D.C.

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
London to Washington, D.C. Flights
Fastest flight time8h 40m
Cheapest price€514

Similar London Heathrow Airport to Washington, D.C. flights

Flexible with your destination? Broaden your search and find flights similar to your London Heathrow Airport to Washington, D.C. route

Why use momondo?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Washington, D.C.. momondo saves you time and could save you money on your trip.

Yes. momondo allows you to filter the results for London to Washington, D.C. flights to just show those with flexible booking policies.

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 not ready to book a flight from London to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.


Save money when you book flights with momondo
Flexible Travel
momondo understands the need for flexibility and we have a filter specifically for flights with no change fees.
Expert Insights
Data driven insights designed to help you find a great flight deal. From the cheapest time to depart to how far in advance to book.
Price Alerts
Track the price of your preferred flight route and be notified when it changes.