Cheap flights from London to Washington

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How to find the cheapest flight from
London (LON) to Washington

All the information you need to plan the best LON to SEA flight in 2021: compare London to Washington flight prices with the expected peak season, weather and rainfall in Washington.
How far in advance should I book a flight from London to Washington?

To save up to 51% on this flight, we recommend booking at least 52 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from London to Washington from £450 1-2 weeks out and tickets from £590 for flights departing within the next 72 hours.

What is the cheapest month to fly from London to Washington?

The best pricing can be found in the month of February. Prices to Washington from London average £398. You can even find prices in February for less than £398, as users have found deals to Washington from as low as £262. The month of July appears to be one of the more expensive times to travel to Washington from London. Flying in the targeted month can save you up to 37%.

Cheap flights from London to Washington in April, May 2021

The best prices found for LON to Washington flights in April, May
29 Apr - 6 May
£316pp
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
29 Apr - 6 May
£330pp
LHR
London Heathrow
Virgin Atlantic
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
27 Apr - 6 May
£332pp
LHR
London Heathrow
Virgin Atlantic
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Virgin Atlantic
Direct
LHR
London Heathrow

London to Washington 2021 flight deals

Cheap flights to Washington from London found for this year
29 Apr - 6 May
£316pp
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
29 Apr - 6 May
£330pp
LHR
London Heathrow
Virgin Atlantic
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
27 Apr - 6 May
£332pp
LHR
London Heathrow
Virgin Atlantic
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Virgin Atlantic
Direct
LHR
London Heathrow

Direct flights to Washington from London

Save time with London to Washington direct flight deals
15 Jun - 26 Jun
£353pp
LHR
London Heathrow
Virgin Atlantic
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Virgin Atlantic
Direct
LHR
London Heathrow
25 Jun - 30 Jul
£355pp
LHR
London Heathrow
Virgin Atlantic
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Virgin Atlantic
Direct
LHR
London Heathrow
11 Sep - 25 Sep
£359pp
LHR
London Heathrow
Virgin Atlantic
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Virgin Atlantic
Direct
LHR
London Heathrow

Last-minute flights from London to Washington

Late deals on return flights to Washington from London, departing today and this week
22 Apr - 29 Apr
£408pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
22 Apr - 29 Apr
£425pp
LHR
London Heathrow
Virgin Atlantic
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
24 Apr - 2 May
£434pp
LHR
London Heathrow
Lufthansa
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Lufthansa
 
1 STOP
LHR
London Heathrow

One-way flights to Washington from London

The cheapest one-way flights from London to Washington
06:00 - 17:58
Virgin Atlantic
2 stops
19h 58m
LCY - SEA
Virgin Atlantic
£238
Travel2Be
02:30 - 07:29
Delta
1 stop
12h 59m
LHR - SEA
Delta
£249
Delta
06:00 - 17:58
KLM
2 stops
19h 58m
LCY - SEA
KLM
£268
KLM

Related info for your journey

Useful info, stats and facts about <span class="emphasized">London</span> to <span class="emphasized">Washington</span> flights.

Flight FAQs

From London to Washington

Are flight prices decreasing from London to Washington due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both London and Washington for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from London to Washington to control the spread of COVID-19?

Delta is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. New policies for travellers booking flights from London to Washington include masks being provided and required on board, daily cleaning and sanitisation, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially-distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from London to Washington have flexible cancellations due to COVID-19?

Some of the carriers operating flights from London to Washington that may be offering flexible cancellation policies are British Airways, Virgin Atlantic, and United Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from London to Washington for under £364 on Cheapflights?

Yes, there are multiple flights from London to Washington for under £364. The cheapest flight booked recently is on Virgin Atlantic for just £316, but on average you can expect to pay £341.

Are there direct flights from London to Washington for under £364 on Cheapflights?

Cheapflights has 20 direct flights from London to Washington under £364. A good price for a direct flight from London to Washington is less than £418.

Are there last-minute flights available from London to Washington for under £437?

There are currently 20+ open flights from London to Washington within the next 7 days for less than £437.

What are the most popular airlines that fly from London to Washington?

American Airlines, Air Canada and Air France are the most popular airlines when flying from London to Washington.

What are the most popular routes from London to Washington?

While some choose either London City - Seattle/Tacoma Intl or London Gatwick - Seattle/Tacoma Intl, London Heathrow - Seattle/Tacoma Intl is the most popular route from London to Washington.

What are the cheapest flights from London to Washington?

Looking for the cheapest flight from London to Washington? While on average our users pay £1,211, our data indicates the cheapest price to be £284. The most popular route (London Heathrow - Seattle/Tacoma Intl), is priced around £340.

What are the most reliable airlines from London to Washington?

Consider Alaska Airlines (100%), British Airways (95%) or American Airlines (93%) when booking your flight. These represent the most reliable airlines when flying from London to Washington.

How long does is the flight from London to Washington?

Departing from London to Washington will take you 9h 40m. Both multi-stop and direct flights can be found to your destination and back.

What are the cheapest airlines to flying from London to Washington return?

Cheapflights users have booked flights from London to Washington from £316 return. Other airlines that can offer you cheap pricing are United Airlines, from £333, and Lufthansa, from £352.

What are the cheapest airlines to fly from London to Washington one-way?

To fly one-way, consider booking your trip with Virgin Atlantic, which is currently one of the cheapest options available, starting at £224. Delta flights start at £249 while deals on KLM start at £253 one-way.

Destination points for flights from London to Washington

Select to see more specific information for flights from London to all places in Washington.

Destination information for Washington

Things to know before you go - useful duration and weather info for your trip from London to Washington.
Today's exchange rate
£1 = $1.38

Airports servicing London

Gatwick (LGW)
City (LCY)
Stansted (STN)
Luton (LTN)
Southend (SEN)

Airports servicing

Seattle King County/Boeing (BFI)
Bellingham (BLI)
Deer Harbor (DHB)
Wenatchee (EAT)
Eastsound Orcas Island (ESD)
Friday Harbor SPB (FBS)

Top 10 airlines flying from London to Washington

The chart below displays the airlines Cheapflights users travelling from London to Washington choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Austrian Airlines
£311 £439 No cancel fee 78%
Search Austrian Airlines flights
Norwegian
£426 £582 No cancel fee 74%
Search Norwegian flights
Lufthansa
£374 £625 No cancel fee 76%
Search Lufthansa flights
Air Canada
£358 £634 No cancel fee 67%
Search Air Canada flights
SWISS
£510 £666 No cancel fee 79%
Search SWISS flights
Iberia
£402 £690 No cancel fee 77%
Search Iberia flights
KLM
£388 £697 No cancel fee 75%
Search KLM flights
Norwegian Air UK
£386 £707 No cancel fee N/A
Search Norwegian Air UK flights
Icelandair
£444 £750 No cancel fee 76%
Search Icelandair flights
Air France
£415 £762 No cancel fee 77%
Search Air France flights
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