Cheap flights from United Kingdom to Washington

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How to find the cheapest flight from
United Kingdom to Washington

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 52 days in advance, which can save you up to 51% on flights from United Kingdom to Washington compared to booking the week you need them. Waiting 52 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £450. For sooner than that we have options available in the next 3 days from £590.

What is the cheapest month to fly from United Kingdom to Washington?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to Washington. Flights to Washington from United Kingdom in February are about £398 on average during February, but can be found for as low as £262.

Cheap flights from United Kingdom to Washington in April, May 2021

The best prices found for United Kingdom 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

United Kingdom to Washington 2021 flight deals

Cheap flights to Washington from United Kingdom 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 United Kingdom

Save time with United Kingdom 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 United Kingdom to Washington

Late deals on return flights to Washington from United Kingdom, 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 United Kingdom

The cheapest one-way flights from United Kingdom to Washington
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
10:00 - 06:08
Virgin Atlantic
1 stop
28h 08m
LHR - SEA
Virgin Atlantic
£284
Tripmonster

Related info for your journey

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

Flight FAQs

From United Kingdom to Washington

Are flight prices decreasing from United Kingdom 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 United Kingdom 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 United Kingdom 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. Some of the new policies that have been implemented to accommodate travellers flying from United Kingdom to Washington are improved sanitation, HEPA filters, mask requirements, socially-distanced seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

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

Some of our airline partners flying from United Kingdom to Washington have new flexible policies in place due to COVID-19. British Airways, Virgin Atlantic, and Aer Lingus are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like British Airways with this kind of flexibility.

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

Yes, there are multiple flights from United Kingdom 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 £343.

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

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

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

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

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

Before booking your flight from United Kingdom to Washington, check out the most popular airlines for this route: American Airlines, Air Canada or Air France.

What are the most popular routes from United Kingdom to Washington?

The most popular route from United Kingdom to Washington is London Heathrow - Seattle/Tacoma Intl. You may also consider London City - Seattle/Tacoma Intl or London Gatwick - Seattle/Tacoma Intl.

What are the cheapest flights from United Kingdom to Washington?

On average you can expect to pay £1,330 for a flight from United Kingdom to Washington. The cheapest flight overall is £266 while the most popular route, (London Heathrow - Seattle/Tacoma Intl) is currently priced at £340.

How long does is the flight from United Kingdom to Washington?

Departing from United Kingdom 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 United Kingdom to Washington return?

Cheapflights users have booked flights from United Kingdom to Washington from £316 return. Other airlines that can offer you cheap pricing are United Airlines, from £333, and Air France, from £356.

What are the cheapest airlines to fly from United Kingdom 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. KLM flights start at £248 while deals on Delta start at £249 one-way.

Destination points for flights from United Kingdom to Washington

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

Destination information for Washington

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

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 United Kingdom to Washington

The chart below displays the airlines Cheapflights users travelling from United Kingdom 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
Iberia
£402 £690 No cancel fee 77%
Search Iberia flights
Norwegian Air UK
£386 £707 No cancel fee N/A
Search Norwegian Air UK flights
Thomas Cook Airlines
£456 £743 No cancel fee N/A

We couldn't confirm the COVID-19 safety measures taken by Thomas Cook Airlines. Please check directly on their website for additional information.

Search Thomas Cook Airlines flights
Condor
£516 £747 No cancel fee 76%
Search Condor flights
SWISS
£510 £767 No cancel fee 79%
Search SWISS flights
Air France
£415 £811 No cancel fee 77%
Search Air France flights
Finnair
£454 £820 No cancel fee 76%
Search Finnair flights
Delta
£396 £856 No cancel fee N/A
Search Delta flights
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