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Cheap flights from Washington (WA) to London (LON)

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

How far in advance should I book a flight from Washington to London?

Find a great deal and save up to 44% by booking at least 61 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 Washington to London within the next two weeks, with the cheapest ticket starting at $910.

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

October is one of the best times of the year to fly to London from Washington. Prices for October average $714 per person but you can even find prices for as low as $445. The most expensive prices can be found in the month of July. Opting for a October flight can save you 31% on your journey compared to booking in October

Cheap flights from Washington to London in January, February 2021

The best prices found for Washington to LON flights for January, February
15 Feb - 28 Feb
$634pp
SEA
Seattle/Tacoma Intl
Lufthansa
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Lufthansa
   
2 STOPS
SEA
Seattle/Tacoma Intl
22 Feb - 2 Mar
$642pp
SEA
Seattle/Tacoma Intl
Lufthansa
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Lufthansa
 
1 STOP
SEA
Seattle/Tacoma Intl
22 Feb - 2 Mar
$649pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Air Canada
   
2 STOPS
SEA
Seattle/Tacoma Intl

Washington to London 2021 flight deals

Cheap flights to London from Washington found for this year
23 Sep - 26 Sep
$570pp
SEA
Seattle/Tacoma Intl
Air Canada
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Air Canada
   
2 STOPS
SEA
Seattle/Tacoma Intl
11 Aug - 24 Aug
$582pp
SEA
Seattle/Tacoma Intl
Lufthansa
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Lufthansa
   
2 STOPS
SEA
Seattle/Tacoma Intl
17 Apr - 25 Apr
$594pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
SWISS
   
2 STOPS
SEA
Seattle/Tacoma Intl

Non-stop flights to London from Washington

Save time with Washington to London direct flight deals
3 Mar - 10 Mar
$629pp
SEA
Seattle/Tacoma Intl
Delta
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
5 May - 19 May
$630pp
SEA
Seattle/Tacoma Intl
Finnair
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
SEA
Seattle/Tacoma Intl
21 Mar - 23 Apr
$631pp
SEA
Seattle/Tacoma Intl
British Airways
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
British Airways
Non-Stop
SEA
Seattle/Tacoma Intl

Last minute flights from Washington to London

Late deals on round-trip flights to London from Washington, departing today and this week
22 Jan - 29 Jan
$780pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
22 Jan - 29 Jan
$854pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
British Airways
Non-Stop
SEA
Seattle/Tacoma Intl
27 Jan - 30 Jan
$855pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
KLM
 
1 STOP
SEA
Seattle/Tacoma Intl

One-way flights to London from Washington

The cheapest one-way flights from Washington to London
4:40 am - 1:35 am
Multiple Airlines
2 Stops
36h 55m
SEA - LHR
Multiple Airlines
$359
Kiwi.com
1:55 pm - 3:40 am
Multiple Airlines
2 Stops
53h 45m
SEA - LHR
Multiple Airlines
$368
Kiwi.com
5:40 am - 4:10 am
Multiple Airlines
2 Stops
38h 30m
SEA - LHR
Multiple Airlines
$374
Kiwi.com

Related info for your journey

Useful info, stats and facts about Washington to London flights.

Flight FAQs

From Washington to London

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

New policies can now be found on Delta to help keep travelers safe while flying. Some of the new policies that have been implemented to accommodate travelers flying from Washington to London are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

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

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

Can I find flights from Washington to London for under $600 on Cheapflights?

Yes, there are multiple flights from Washington to London for under $600. The cheapest flight booked recently is on Multiple Airlines for just $594, but on average you can expect to pay $614.

Are there nonstop flights from Washington to London for under $700 on Cheapflights?

Cheapflights has at least 20 direct flights from Washington to London under $700. A good price for a nonstop flight from Washington to London is less than $653.

Are there last-minute flights available from Washington to London for under $800?

There are currently 20+ open flights from Washington to London within the next 7 days for less than $800.

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

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

What are the most popular routes from Washington to London?

The most popular flight routes from Washington to London are Seattle/Tacoma Intl - London Heathrow, Seattle/Tacoma Intl - London City and Seattle/Tacoma Intl - London Gatwick.

What are the cheapest Flights from Washington to London?

On average you can expect to pay $1,937 for a flight from Washington to London. The cheapest flight overall is $232 while the most popular route, (Seattle/Tacoma Intl - London Heathrow) is currently priced at $619.

What are the most reliable airlines from Washington to London?

No one likes to see their flight delayed. When booking a flight from Washington to London consider choosing American Airlines (79%), Aer Lingus (79%) or Finnair (79%) as they are the most reliable in getting you off to your destination on time.

How long is the flight from Washington to London?

Virgin Atlantic, Delta, and Finnair can get you from Washington to London in just under 9h 15m. Your travel time will be generally consistent. Most flights are nonstop.

What are the cheapest airlines flying from Washington to London round-trip?

Cheapflights users have booked flights from Washington to London round-trip from $596. Other airlines that can offer you cheap pricing are Virgin Atlantic, from $613, and Air Canada, from $619.

Destination information for London

Things to know before you go. Useful info for your trip from Washington to London
Today's exchange rate
$1 = £0.74
Flight duration
9h 42m
Average temperature for January in London
48.2 °F
Avg rainfall for January in London
2.0 ″

Airports servicing

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

Airports servicing London

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

Top 10 airlines flying from Washington to London

The chart below displays the airlines Cheapflights users traveling from Washington to London 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
Air France
$414 $583 No cancel fee 77%
KLM
$415 $609 No cancel fee 75%
Air Canada
$373 $633 No cancel fee 67%
Norwegian Air UK
$377 $635 No cancel fee N/A
Norwegian
$403 $697 No cancel fee 74%
Lufthansa
$378 $738 No cancel fee 76%
Finnair
$335 $853 No cancel fee 76%
American Airlines
$415 $859 No cancel fee 71%
Austrian Airlines
$438 $877 No cancel fee 78%
United Airlines
$407 $953 No cancel fee 69%
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