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

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

All the information you need to plan the best null to LON flight in 2021: compare Washington to London flight prices with the expected peak season, weather and rainfall in London.
What is the cheapest month to fly from State of Washington to London?

The best pricing can be found in the month of October. Prices to London from State of Washington average $575. You can even find prices in October for less than $575, as users have found deals to London from as low as $416. The month of December appears to be one of the more expensive times to travel to London from State of Washington. Flying in the targeted month can save you up to 36%.

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

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

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

Find a great deal and save up to 75% 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 State of Washington to London within the next two weeks, with the cheapest ticket starting at $820.

Cheap flights from Washington to London in October, November 2021

The best prices found for Washington to LON flights for October, November
12 Nov - 21 Nov
$302pp
SEA
Seattle/Tacoma Intl
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
SEA
Seattle/Tacoma Intl
11 Nov - 21 Nov
$328pp
SEA
Seattle/Tacoma Intl
Virgin Atlantic
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
SEA
Seattle/Tacoma Intl
22 Nov - 30 Nov
$418pp
SEA
Seattle/Tacoma Intl
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
SEA
Seattle/Tacoma Intl

Washington to London 2021 flight deals

Cheap flights to London from Washington found for this year
12 Nov - 21 Nov
$302pp
SEA
Seattle/Tacoma Intl
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
SEA
Seattle/Tacoma Intl
11 Nov - 21 Nov
$328pp
SEA
Seattle/Tacoma Intl
Virgin Atlantic
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
SEA
Seattle/Tacoma Intl
23 Dec - 8 Jan
$358pp
SEA
Seattle/Tacoma Intl
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
SEA
Seattle/Tacoma Intl

Non-stop flights to London from Washington

Save time with Washington to London direct flight deals
8 Mar - 19 Mar
$413pp
SEA
Seattle/Tacoma Intl
Virgin Atlantic
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
Non-Stop
SEA
Seattle/Tacoma Intl
19 Mar - 26 Mar
$438pp
SEA
Seattle/Tacoma Intl
Virgin Atlantic
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
Non-Stop
SEA
Seattle/Tacoma Intl
18 Mar - 25 Mar
$537pp
SEA
Seattle/Tacoma Intl
Virgin Atlantic
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
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
26 Oct - 16 Nov
$638pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
25 Oct - 3 Nov
$753pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
27 Oct - 10 Nov
$809pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

One-way flights to London from Washington

The cheapest one-way flights from Washington to London
5:00 am - 12:55 pm
Multiple Airlines
2 Stops
23h 55m
SEA - STN
Multiple Airlines
$342
Kiwi.com

Related info for your journey

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

Flight FAQs

From Washington to London

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 State of Washington to London for under $400 on Cheapflights?

Yes, there are multiple flights from State of Washington to London for under $400. The cheapest flight booked recently is on Virgin Atlantic for just $302, but on average you can expect to pay $405.

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

Cheapflights has at least 20 direct flights from State of Washington to London under $500. A good price for a nonstop flight from State of Washington to London is less than $701.

Are there last-minute flights available from State of Washington to London for under $700?

There are currently 20+ open flights from State of Washington to London within the next 7 days for less than $700.

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

The cheapest flight price from State of Washington to London is $233. On average you can expect to pay $1,917. The most popular route, (Seattle/Tacoma Intl - London Heathrow), can usually be booked for $358.

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

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

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

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

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

No one likes to see their flight delayed. When booking a flight from State of Washington to London consider choosing Alaska Airlines (97%), American Airlines (90%) or Finnair (90%) as they are the most reliable in getting you off to your destination on time.

COVID Restrictions

View COVID Travel Restrictions for London, England

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

Information is based on travel restrictions from Washington to London

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

COVID-19 testing requirements
Visitors from Washington must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to London.

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

Documents
Mandatory passenger locator form - Submit the form any time in the 48 hours before arriving in the UK. Show the form when checking in your plane, train or ferry to the UK.

Managed quarantine package for Scotland - All travelers arriving directly to Scotland are required to book their Managed Quarantine Package prior to travel.

COVID-19 testing package - All travelers must book and pay for a COVID-19 Testing Package prior to travel to England and Scotland.


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

Returning to Washington from London

COVID-19 testing requirements
Visitors from London must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Washington.

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

Hide COVID Travel Restrictions for London, England

Departure points for flights from Washington to London

Select to see more specific information for flights to London from all departure points in Washington.

Destination information for London

Things to know before you go - useful duration and weather info for your trip from Washington to London.
Today's exchange rate
$1 = £0.73
Average temperature for October in London
60.8 °F
Avg rainfall for October in London
2.8 ″

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)
Stansted (STN)
London City (LCY)
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
Finnair
$335 $853 No cancel fee 76%
Icelandair
$369 $645 No cancel fee 76%
Air Canada
$373 $633 No cancel fee 67%
Norwegian Air UK
$377 $635 No cancel fee N/A
Lufthansa
$378 $738 No cancel fee 76%
Norwegian
$403 $697 No cancel fee 74%
United Airlines
$407 $953 No cancel fee 69%
British Airways
$411 $998 No cancel fee 70%
Air France
$414 $583 No cancel fee 77%
American Airlines
$415 $859 No cancel fee 71%
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