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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 38% by booking at least 51 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 $813.

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

February is one of the best times of the year to fly to London from Washington. Prices for February average $634 per person but you can even find prices for as low as $394. The most expensive prices can be found in the month of June. Opting for a February flight can save you 66% on your journey compared to booking in February

Cheap flights from Washington to London in September, October 2020

The best prices found for Washington to LON flights for September, October
22 Oct - 5 Nov
$529pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
SEA
Seattle/Tacoma Intl
19 Oct - 26 Oct
$531pp
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
27 Oct - 3 Nov
$537pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
STN
London Stansted
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

Washington to London 2020 flight deals

Cheap flights to London from Washington found for this year
2 Nov - 17 Nov
$519pp
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
22 Oct - 5 Nov
$529pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
SEA
Seattle/Tacoma Intl
19 Oct - 26 Oct
$531pp
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl

Non-stop flights to London from Washington

Save time with Washington to London direct flight deals
22 Nov - 2 Dec
$728pp
SEA
Seattle/Tacoma Intl
Finnair
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
SEA
Seattle/Tacoma Intl
11 Nov - 18 Nov
$729pp
SEA
Seattle/Tacoma Intl
Finnair
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
SEA
Seattle/Tacoma Intl
1 Dec - 10 Dec
$731pp
SEA
Seattle/Tacoma Intl
Finnair
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Finnair
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
5 Oct - 2 Nov
$713pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Iberia
Non-Stop
SEA
Seattle/Tacoma Intl
5 Oct - 30 Oct
$716pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
SEA
Seattle/Tacoma Intl
5 Oct - 29 Oct
$725pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Iberia
Non-Stop
SEA
Seattle/Tacoma Intl

One-way flights to London from Washington

The cheapest one-way flights from Washington to London
4:50 am - 7:25 am
Multiple Airlines
3 Stops
43h 35m
SEA - LHR
Multiple Airlines
$201
Kiwi.com
3:50 am - 12:30 pm
Multiple Airlines
3 Stops
48h 40m
SEA - LHR
Multiple Airlines
$205
Kiwi.com
3:13 pm - 8:45 am
Multiple Airlines
3 Stops
33h 32m
SEA - LHR
Multiple Airlines
$217
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.

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 Icelandair for just $516, but on average you can expect to pay $546.

Are there nonstop flights from Washington to London for under $800 on Cheapflights?

Cheapflights has at least 20 direct flights from Washington to London under $800. A good price for a nonstop flight from Washington to London is less than $759.

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?

American Airlines, Finnair and British Airways 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 Gatwick and Seattle/Tacoma Intl - London City.

What are the cheapest Flights from Washington to London?

On average you can expect to pay $500 for a flight from Washington to London. The cheapest flight overall is $241 while the most popular route, (Seattle/Tacoma Intl - London Heathrow) is currently priced at $520.

How long is the flight from Washington to London?

Icelandair, Aer Lingus, and Virgin Atlantic can get you from Washington to London in just under 11h 55m. Your travel time can differ by up to 10m. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What is the cheapest airline to fly from Washington to London round-trip?

Cheapflights users have booked flights from Washington to London round-trip from $516.

Arrival points for flights from Washington to London

Destination information for London

Things to know before you go. Useful info for your trip from Washington to London
Today's exchange rate
$1 = £0.79
Average temperature for September in London
68.0 °F
Avg rainfall for September in London
1.9 ″

Airports servicing

Deer Harbor (DHB)
Wenatchee (EAT)
Eastsound Orcas Island (ESD)
Friday Harbor SPB (FBS)
Port Angeles (FRD)

Airports servicing London

Heathrow (LHR)
Luton (LTN)
Stansted (STN)
City (LCY)
Southend (SEN)
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