Can I combine different airlines on the same trip?

Of course. We offer you the possibility of booking with more than 400 airlines so that you can find the cheapest fare or the most convenient combination: outbound flight with one airline and return flight with another.

Is lastminute.com a trustworthy travel brand?

In 1998, lastminute.com was one of the first online travel agencies. Currently, we are selling over 380,000 flights per year – and working hard on bringing travellers wherever they want to go.

What options are there if I have to change my flight?

lastminute.com offers flexibility services for purchase at the time of your booking. These services entitle you to change or cancel your flights without handling fee.**Flexibility services are available on selected flights only. Please read our T&Cs for more information.

I am afraid to lose my luggage, every time I fly. What can I do?

lastminute.com offers a range of baggage protection services, so that you are covered in case your luggage is delayed or lost.****Baggage protection services are available on selected flights only. Please read our T&Cs for more information.

How long does a flight take between London and Washington DC?

The flight from London to Washington DC has a duration of 10h 52m.

What are the cheapest flights from London to Washington DC?

The cheapest one-way flight costs £504 flying with British Airways and the cheapest return flight costs £748 with British Airways.

How many airports are there in the city of London?

London has 4 airport: LON - All airports, London Heathrow Airport, London Stansted Airport, Gatwick.

How many airports does Washington DC have?

There are 3 airports in Washington DC: WAS - All airports, Washington Dulles International Airport, Ronald Reagan Washington National Airport

Which Washington DC airport is the most central?

The most central airport is Ronald Reagan Washington National Airport, 6.2km.

Which airlines have flights from London to Washington DC?

There are 3 airlines with flights from London to Washington DC; Those that offer lower prices are Lufthansa (£955), British Airways (£937), KLM (£937).

Schedules of the first and last flight from London to Washington DC

The first flight from London to Washington DC is at 15:30 and the last flight departs at 20:20.

Cheap flights from London to Washington DC

Fly smart, spend less

Flights to Washington DC from London

Cheap flights from London to Washington DC from £504. London (United Kingdom) - Washington DC (United States) return flights from £748. From 23/10/2026 (Friday) - 29/10/2026 (Thursday). Check for the dates with the lowest prices and find the cheapest rates.

Round-trip flights from London to Washington DC

Cheapest round-trip flights from London to Washington DC

11 Dec - 16 Dec • 5 nights
20:35LHR
26h 55m1 stop
18:30IAD
Icelandair
19:40IAD
10h 10m1 stop
10:50LHR
Icelandair
from£450
08 Oct - 12 Oct • 4 nights
15:40LGW
11h 35m1 stop
22:15BWI
Icelandair
20:30BWI
10h 25m1 stop
11:55LGW
Icelandair
from£566
20 Dec - 28 Dec • 8 nights
11:55LGW
11h 35m1 stop
18:30IAD
Icelandair
19:40IAD
10h 10m1 stop
10:50LGW
Icelandair
from£573
20 Dec - 28 Dec • 8 nights
11:55LGW
11h 45m1 stop
18:40BWI
Icelandair
19:40BWI
10h 10m1 stop
10:50LGW
Icelandair
from£578
20 Dec - 28 Dec • 8 nights
12:15LHR
11h 15m1 stop
18:30IAD
Icelandair
19:40IAD
10h 10m1 stop
10:50LHR
Icelandair
from£583
20 Dec - 28 Dec • 8 nights
12:15LHR
11h 25m1 stop
18:40BWI
Icelandair
19:40BWI
10h 10m1 stop
10:50LHR
Icelandair
from£586

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Direct flights from London to Washington DC

Book direct flights from London to Washington DC for a smooth journey.

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Flights from London to Washington DC one way

Find one-way flights from London to Washington DC at great prices.

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Cheap flights from London Heathrow Airport to Washington DC

Find cheap flights from London Heathrow Airport to Washington DC now.

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Cheap flights from London Stansted Airport to Washington DC

Find cheap flights from London Stansted Airport to Washington DC now.

20 Dec - 28 Dec • 8 nights
07:20STN
16h 45m1 stop
19:05IAD
Royal Air Maroc
21:05IAD
28h 15m1 stop
06:20STN
Royal Air Maroc
from£1,065

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Cheap flights from Gatwick to Washington DC

Find cheap flights from Gatwick to Washington DC now.

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Flights to Washington DC with top airlines

British AirwaysCheapest
from £539.99
United Airlines
Virgin Atlantic Airways
from £590.99

London to Washington DC flight information

DEPARTING FROM:

LON - All airports, London Heathrow Airport, Gatwick, more

ARRIVING IN:

Ronald Reagan Washington National Airport, more

AIRLINES:

British Airways, United Airlines, Virgin Atlantic Airways

AVG FLIGHT TIME:

10h 52m

More information about flights to Washington DC from London

Good to know

Information about flights from London to Washington

Hi and welcome to your perfect solution to finding low cost flights in just a few clicks! When searching for a low cost flight from London to Washington , all you have to do is complete the search form and in no time you will be flying off to Washington.

Low cost flights to Washington from London are not always easy to find. lastminute.com wants to make it easy for you to find a inexpensive option, so with us you can even choose flights with different airlines and save money on your next trip .

lastminute.com would like to be the perfect travel tool for all your travelling needs . The lastminute.com App is also available for the smartphone so you don’t miss out and being able to use our search engine from wherever you are.

Once your flight London-Washington is booked, using lastminute.com you can even organise the rest of your trip. From car hire and accommodation in Washington as well as a guide to Washington so you know in advance what there is to see and do.

If you don’t know where to go on holiday, why not let yourself be guided by our cheap flight deals to Washington from London. Without the stress of having set dates, the search results will help you make up your mind.

FAQs London to Washington DC flights

FAQs

Can I combine different airlines on the same trip?
Of course. We offer you the possibility of booking with more than 400 airlines so that you can find the cheapest fare or the most convenient combination: outbound flight with one airline and return flight with another.
Is lastminute.com a trustworthy travel brand?
In 1998, lastminute.com was one of the first online travel agencies. Currently, we are selling over 380,000 flights per year – and working hard on bringing travellers wherever they want to go.
What options are there if I have to change my flight?
lastminute.com offers flexibility services for purchase at the time of your booking. These services entitle you to change or cancel your flights without handling fee.*
*Flexibility services are available on selected flights only. Please read our T&Cs for more information.
I am afraid to lose my luggage, every time I fly. What can I do?
lastminute.com offers a range of baggage protection services, so that you are covered in case your luggage is delayed or lost.**
**Baggage protection services are available on selected flights only. Please read our T&Cs for more information.
How long does a flight take between London and Washington DC?
The flight from London to Washington DC has a duration of 10h 52m.
What are the cheapest flights from London to Washington DC?
The cheapest one-way flight costs £504 flying with British Airways and the cheapest return flight costs £748 with British Airways.
How many airports are there in the city of London?
London has 4 airport: LON - All airports, London Heathrow Airport, London Stansted Airport, Gatwick.
How many airports does Washington DC have?
There are 3 airports in Washington DC: WAS - All airports, Washington Dulles International Airport, Ronald Reagan Washington National Airport
Which Washington DC airport is the most central?
The most central airport is Ronald Reagan Washington National Airport, 6.2km.
Which airlines have flights from London to Washington DC?
There are 3 airlines with flights from London to Washington DC; Those that offer lower prices are Lufthansa (£955), British Airways (£937), KLM (£937).
Schedules of the first and last flight from London to Washington DC
The first flight from London to Washington DC is at 15:30 and the last flight departs at 20:20.