Cheap Flights from London to Washington

Cheapest flights from London to Washington

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from London to Washington. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$409

EasyJet

2 layovers

1d 19h 40m

03/17/2026

The cheapest one-way flight from London to Washington departs on 03/17/2026, is operated by EasyJet and costs $409

Cheapest round trip flight

$458

Icelandair

1 layover

1d 18h 55m

04/15/2026

The cheapest roundtrip flight from London to Washington departs on 04/15/2026, is operated by Icelandair and costs $458

The fastest flight

17h 35m

Fastest flight from London to Washington takes 17h 35m

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from London to Washington by month

In different months, ticket prices from London to Washington vary: minimum — $409 (March 2026), maximum — $469 (June 2026). Typically, the flight costs $447–$931.

March 2026

Lowest price

on average:

$409

June 2026

Highest price

on average:

$469

Avg Price

Airlines operating on route

The route London — Washington is served by many carriers — 9 in total, including United Airlines, British Airways, EasyJet, Skyview Airways Company Limiteddba Skyview, LC Busre SAC, Ryanair, Air Transat, Vueling, and Animawings. This gives passengers wide opportunities: from finding the lowest fare (from $409) to selecting flights by schedule or service class. Our service aggregates data from multiple booking systems so you can compare offers in one place. This saves time and money: no need to check dozens of sites — just pick the right option and book online.

United Airlines

starting at $712

British Airways

starting at $497

EasyJet

starting at $409

Skyview Airways Company Limiteddba Skyview

starting at $431

starting at $480

starting at $489

starting at $518

starting at $546

starting at $580

Non-stop flights from London to Washington

A non-stop flight is the most convenient and comfortable way to fly from London to Washington, despite the fact that sometimes flights with transfers can cost significantly less.

London — Washington

LON — WAS

04/06/2026

Departure

Direct flight

UA919

starting at $861

London — Washington

LON — WAS

05/21/2026

Departure

Direct flight

BA293

starting at $811

London — Washington

LON — WAS

03/21/2026

Departure

Direct flight

UA0925

starting at $1,322

London — Washington

LON — WAS

03/22/2026

Departure

Direct flight

UA925

starting at $1,063

London — Washington

LON — WAS

03/25/2026

Departure

Direct flight

UA919

starting at $712

London — Washington

LON — WAS

03/26/2026

Departure

Direct flight

UA919

starting at $1,078

London — Washington

LON — WAS

03/27/2026

Departure

Direct flight

UA925

starting at $1,102

London — Washington

LON — WAS

04/01/2026

Departure

Direct flight

BA293

starting at $497

London — Washington

LON — WAS

04/04/2026

Departure

Direct flight

UA919

starting at $939

London — Washington

LON — WAS

04/10/2026

Departure

Direct flight

UA919

starting at $908

Schedule of direct flights from London to Washington

A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from London to Washington:

Unable to find information about the schedule of direct flights from

London airports overview

London City Airport

•

LCY

2km

London Gatwick Airport

•

LGW

43km

London Heathrow Airport

•

LHR

36km

Major international hub serving London with extensive long‑haul and short‑haul connections, multiple terminals, and frequent rail and bus links to the city center.

London Luton Airport

•

LTN

51km

London Southend Airport

•

SEN

45km

Serves the eastern Greater London area and Southend-on-Sea, offering domestic and limited international routes with a compact terminal and a dedicated rail link for convenient access to central London.

Stansted Airport

•

STN

45km

Serving London and the East of England about 50 km northeast of central London, it handles primarily low-cost and international flights. Frequent rail and coach links provide direct connections to central London and regional destinations.

•

Washington airports overview

Ronald Reagan National Airport

•

DCA

5km

Convenient for downtown Washington, D.C. and the National Mall, offering primarily domestic and short-haul flights with direct Metro access and quick transfers across the Potomac.

Washington Dulles International Airport

•

IAD

37km

•

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

What is the cheapest price for flights from London to Washington?

The cheapest flight ticket from London to Washington according to data for the last 48 hours costs $409

When is the best time to buy air tickets on the route London — Washington?

Often the best time to buy tickets from London to Washington is 2 months before departure.

When is the cheapest time of year to fly from London to Washington?

Based on statistics over the past years, the lowest prices for flights from London to Washington can be found flying in these months: March, May, June.

How long does it take to fly from London to Washington?

The fastest flights from London to Washington start from 17 hours 35 minutes in the air.

Which airline can fly direct from London to Washington?

The following airlines operate direct flights on the route London — Washington: United Airlines, British Airways

Special offers and sales on air tickets from London to Washington

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

We couldn't find any special offers for flights from London to Washington

Alternative routes

Bournemouth ➜ Washington•Brighton ➜ Washington•Cambridge ➜ Washington•Coventry ➜ Washington•Milton Keynes ➜ Washington•Norwich ➜ Washington•Leicester ➜ Washington•Southampton ➜ Washington•Reading ➜ Washington•Swindon ➜ Washington•London ➜ Baltimore•London ➜ Charlottesville•London ➜ Hagerstown•London ➜ Lancaster•London ➜ Philadelphia•London ➜ Richmond

•••••••••••••••••••

London — Washington

LON — WAS

04/06/2026

Departure

Direct flight

UA919

starting at $861

London — Washington

LON — WAS

05/21/2026

Departure

Direct flight

BA293

starting at $811

London — Washington

LON — WAS

03/21/2026

Departure

Direct flight

UA0925

starting at $1,322

London — Washington

LON — WAS

03/22/2026

Departure

Direct flight

UA925

starting at $1,063

London — Washington

LON — WAS

03/25/2026

Departure

Direct flight

UA919

starting at $712

London — Washington

LON — WAS

03/26/2026

Departure

Direct flight

UA919

starting at $1,078

London — Washington

LON — WAS

03/27/2026

Departure

Direct flight

UA925

starting at $1,102

London — Washington

LON — WAS

04/01/2026

Departure

Direct flight

BA293

starting at $497

London — Washington

LON — WAS

04/04/2026

Departure

Direct flight

UA919

starting at $939

London — Washington

LON — WAS

04/10/2026

Departure

Direct flight

UA919

starting at $908

What is the cheapest price for flights from London to Washington?

The cheapest flight ticket from London to Washington according to data for the last 48 hours costs $409

When is the best time to buy air tickets on the route London — Washington?

Often the best time to buy tickets from London to Washington is 2 months before departure.

When is the cheapest time of year to fly from London to Washington?

Based on statistics over the past years, the lowest prices for flights from London to Washington can be found flying in these months: March, May, June.

How long does it take to fly from London to Washington?

The fastest flights from London to Washington start from 17 hours 35 minutes in the air.

Which airline can fly direct from London to Washington?

The following airlines operate direct flights on the route London — Washington: United Airlines, British Airways

Cheap Flights from London to Washington — $409

Cheapest flights from London to Washington

Cheapest one way flight

$409

EasyJet

2 layovers

1d 19h 40m

03/17/2026

Cheapest round trip flight

$458

Icelandair

1 layover

1d 18h 55m

04/15/2026

The fastest flight

17h 35m

Airfare from London to Washington by month

March 2026

on average:

$409

June 2026

on average:

$469

Airlines operating on route

Non-stop flights from London to Washington

Schedule of direct flights from London to Washington

London airports overview

London City Airport

London Gatwick Airport

London Heathrow Airport

London Luton Airport

London Southend Airport

Stansted Airport

Washington airports overview

Ronald Reagan National Airport

Washington Dulles International Airport

Frequently asked questions (FAQ)

Special offers and sales on air tickets from London to Washington

Alternative routes

Ronald Reagan National Airport

Washington Dulles International Airport

Cheapest one way flight

$409

EasyJet

2 layovers

1d 19h 40m

03/17/2026

Cheapest round trip flight

$458

Icelandair

1 layover

1d 18h 55m

04/15/2026

The fastest flight

17h 35m

Direct flights

Every day

Earliest flight

12:05 PM

Latest flight

4:50 PM

Average flight duration

8h 40m

Direct flights count

9

Distance

5910km

Timezone difference

5h

London City Airport

London Gatwick Airport

London Heathrow Airport

London Luton Airport

London Southend Airport

Stansted Airport

March 2026

on average:

$409

June 2026

on average: