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 2022: 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 State of Washington?

Find a great deal and save up to 51% by booking at least 52 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from London to State of Washington within the next two weeks, with the cheapest ticket starting at £494.

When is the cheapest time to fly from London to State of Washington (LON - WA)?

When flying from London to State of Washington, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

February can be a great time to fly to State of Washington from London with a flight ticket averaging about £436. Cheapflights users have found deals in the month of February for as cheap as £287. The most expensive prices can be found in the month of July.

Cheap flights from London to Washington in May, June 2022

The best prices found for LON to Washington flights in May, June
15 Jun - 6 Oct
£474pp
LHR
London Heathrow
Lufthansa
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Lufthansa
 
1 STOP
LHR
London Heathrow
6 Jun - 13 Jun
£475pp
LHR
London Heathrow
Air Canada
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Air Canada
   
2 STOPS
LHR
London Heathrow
7 Jun - 4 Jul
£477pp
LHR
London Heathrow
Air Canada
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Air Canada
   
2 STOPS
LHR
London Heathrow

London to Washington 2022 flight deals

Cheap flights to Washington from London found for this year
20 Sep - 5 Oct
£425pp
LHR
London Heathrow
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
LHR
London Heathrow
20 Sep - 5 Oct
£427pp
LHR
London Heathrow
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
LHR
London Heathrow
12 Oct - 2 Nov
£428pp
LGW
London Gatwick
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
LGW
London Gatwick

Direct flights to Washington from London

Save time with London to Washington direct flight deals
12 Oct - 2 Nov
£482pp
LHR
London Heathrow
British Airways
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
British Airways
Direct
LHR
London Heathrow
7 Sep - 28 Sep
£502pp
LHR
London Heathrow
Virgin Atlantic
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Virgin Atlantic
Direct
LHR
London Heathrow
21 Jun - 5 Jul
£503pp
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
2 Jun - 15 Dec
£560pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Lufthansa
 
1 STOP
LHR
London Heathrow
2 Jun - 15 Dec
£562pp
LHR
London Heathrow
Lufthansa
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Lufthansa
 
1 STOP
LHR
London Heathrow
31 May - 8 Jun
£571pp
LHR
London Heathrow
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
LHR
London Heathrow

One-way flights to Washington from London

The cheapest one-way flights from London to Washington
15:40 - 07:55
Multiple Airlines
2 stops
24h 15m
STN - SEA
Multiple Airlines
£341
Combigo
15:30 - 19:53
Scandinavian Airlines
2 stops
36h 23m
LHR - SEA
Scandinavian Airlines
£349
ScholarTrip

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

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 Virgin Atlantic, British Airways, and Finnair. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from London to State of Washington for under £500 on Cheapflights?

Yes, there are multiple flights from London to State of Washington for under £500. The cheapest flight booked recently is on Icelandair for just £425, but on average you can expect to pay £440.

Are there nonstop flights from London to State of Washington for under £500 on Cheapflights?

Cheapflights has at least 20 direct flights from London to State of Washington under £500. A good price for a nonstop flight from London to State of Washington is less than £523.

Are there last-minute flights available from London to State of Washington for under £600?

There are currently 20+ open flights from London to State of Washington within the next 7 days for less than £600.

What are the most popular routes from London to State of Washington?

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

What are the most reliable airlines from London to State of Washington?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London to State of Washington on time: Alaska Airlines (91%), American Airlines (75%), Finnair (75%).

What are the cheapest flights from London to State of Washington?

On average you can expect to pay £1,992 for a flight from London to State of Washington. The cheapest flight overall is £436 while the most popular route, (London Heathrow - Seattle/Tacoma Intl) is currently priced at £425.

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

Consider American Airlines, Air Canada or Air France when booking your flight. These represent the most popular airlines when flying from London to State of Washington.

COVID Restrictions

View COVID Travel Restrictions for Washington (WA)

Do I need a COVID test to fly to Washington from London?

Information is based on travel restrictions from London to Washington

Most visitors from London need to provide a negative COVID-19 test result and/or quarantine to enter Washington.

COVID-19 testing requirements
Visitors from London must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Washington.

Quarantine requirements
Visitors from London are not required to quarantine after entering Washington.

Do I need a test to fly back to London from Washington?

Returning to London from Washington

COVID-19 testing requirements
Visitors from Washington are not required to present a negative COVID-19 PCR test or antigen result upon entering London.

Quarantine requirements
Visitors from Washington are not required to quarantine after entering London.

Hide COVID Travel Restrictions for Washington (WA)

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 = $1.26

Airports servicing London

Gatwick (LGW)
Stansted (STN)
London City (LCY)
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
Norwegian Air UK
£308 £564 No cancel fee N/A
Search Norwegian Air UK flights
Delta
£317 £661 No cancel fee N/A
Search Delta flights
Norwegian
£340 £464 No cancel fee 74%
Search Norwegian flights
United Airlines
£342 £683 No cancel fee 69%
Search United Airlines flights
Icelandair
£361 £495 No cancel fee 76%
Search Icelandair flights
American Airlines
£367 £640 No cancel fee 71%
Search American Airlines flights
Virgin Atlantic
£398 £661 No cancel fee 72%
Search Virgin Atlantic flights
Lufthansa
£406 £539 No cancel fee 76%
Search Lufthansa flights
KLM
£410 £604 No cancel fee 75%
Search KLM flights
Air Canada
£416 £535 No cancel fee 67%
Search Air Canada flights
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