Cheap flights from Heathrow to Washington

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How to find the cheapest flight from
Heathrow (LHR) to Washington

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

The best pricing can be found in the month of February. Prices to Washington from Heathrow 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 Heathrow. Flying in the targeted month can save you up to 37%.

Cheap flights from Heathrow to Washington in April, May 2021

The best prices found for LHR 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

Heathrow to Washington 2021 flight deals

Cheap flights to Washington from Heathrow 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 Heathrow

Save time with Heathrow 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 Heathrow to Washington

Late deals on return flights to Washington from Heathrow, 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 Heathrow

The cheapest one-way flights from Heathrow to Washington
07:30 - 09:53
KLM
Direct
10h 23m
LHR - SEA
KLM
£264
KLM
07:05 - 07:26
Multiple Airlines
2 stops
32h 21m
LHR - SEA
Multiple Airlines
£277
Combigo
04:40 - 16:46
SWISS
2 stops
20h 06m
LHR - SEA
SWISS
£303
swiss

Related info for your journey

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

Flight FAQs

From Heathrow to Washington

Are flight prices decreasing from Heathrow 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 Heathrow 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 Heathrow to Washington to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Delta is one of them. Airline carriers are regularly disinfecting and sanitising their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially-distanced seating (for a limited time) will work towards keeping travellers safer while flying from London Heathrow to Washington. Policies will vary by airline.

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

British Airways, Virgin Atlantic, and United Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

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

Yes, there are multiple flights from Heathrow 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 Heathrow to Washington for under £364 on Cheapflights?

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

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

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

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

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

What are the most popular routes from Heathrow to Washington?

The most popular route from Heathrow to Washington is London Heathrow - Seattle/Tacoma Intl. You may also consider London Heathrow - Spokane or London Heathrow - Bellingham.

What are the cheapest flights from Heathrow to Washington?

While on average a flight from Heathrow to Washington is generally £1,211, our data shows the cheapest flight currently is £284. When looking at the most popular route, (London Heathrow - Seattle/Tacoma Intl), you can expect to pay £340 for that flight.

What are the most reliable airlines from Heathrow 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 Heathrow to Washington.

How long does is the flight from Heathrow to Washington?

Airlines like Virgin Atlantic, KLM, and Delta fly from Heathrow to Washington in about 9h 40m. The time it takes to get you to your destination can typically vary by up to 3h 23m. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

Flying on Virgin Atlantic is currently your cheapest option to Washington, with prices starting at £316. Additional return tickets that might be worth considering are offered by United Airlines and Air France, with the lowest prices starting at £333 and £356, respectively.

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

£224 is the cheapest one-way deal found within the past few days, from Virgin Atlantic. You may also be able to find cheap deals on Delta and KLM, with prices starting from £249 and £253, respectively.

Destination points for flights from Heathrow to Washington

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

Destination information for Washington

Things to know before you go - useful duration and weather info for your trip from Heathrow to Washington.
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Airports servicing London

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 Heathrow to Washington

The chart below displays the airlines Cheapflights users travelling from Heathrow 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
United Airlines
£335 £535 No cancel fee 69%
Search United Airlines 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
American Airlines
£408 £667 No cancel fee 71%
Search American Airlines flights
Iberia
£402 £690 No cancel fee 77%
Search Iberia flights
KLM
£388 £697 No cancel fee 75%
Search KLM flights
Icelandair
£465 £715 No cancel fee 76%
Search Icelandair flights
Aer Lingus
£537 £738 No cancel fee N/A
Search Aer Lingus flights
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