London

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

The best prices from Washington to London are usually found in October or November, booked 49 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

How to find the cheapest flight from Washington to London

All the information you need to plan the best WAS to LON flight in 2022: compare Washington to London flight prices with the expected peak season, weather and rainfall in London.

WAS - LON

Price

$628 - $886

LON

Temperature

39.2 - 62.6 °F

LON

Precipitation

1.6 - 2.8 inches

Popular in

June

High demand for flights, 20% potential price rise

Cheapest in

October

Best time to find cheap flights, 11% potential price drop

Round-trip from

$628

From Washington (WAS) to London (LON)

One-way from

$248

One-way flight from Washington (WAS) to London (LON)

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

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

Travelers have found it’s best to book a flight 48 days in advance to save up to 49% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 48 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Washington to London 1-2 weeks in advance for as low as $825, or $1,055 for flights within the next 24 hours.

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

Our data shows that October tends to be the cheapest month to fly to London from Washington. Users have commonly found prices around $708 for the month, but tickets can be as low as $565. Due to multiple factors, prepare for potentially higher prices in June.

When is the cheapest time to fly from Washington to London (WAS - LON)?

A simple way to save on the total cost of your ticket is to fly from Washington to London in the evening. If you’re flexible enough to do this you can expect to save up to 6% on your trip compared to booking a flight in the morning.

Related info for your journey

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

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. British Airways, United Airlines, and American Airlines 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 Washington to London for under $400 on Cheapflights?

Yes, there are multiple flights from Washington to London for under $400. The cheapest flight booked recently is on TAP AIR PORTUGAL for just $345, but on average you can expect to pay $362.

Are there nonstop flights from Washington to London for under $600 on Cheapflights?

Cheapflights has at least 20 direct flights from Washington to London under $600. A good price for a nonstop flight from Washington to London is less than $581.

Are there last-minute flights available from Washington to London for under $400?

There are currently 20+ open flights from Washington to London within the next 7 days for less than $400.

What days are nonstop flights available from Washington to London?

Nonstop flights are available for this route on the following days: Sunday, Tuesday.

How many flights depart from Washington to London on average per day?

Travelers can expect 2 flights from Washington to London on average per day.
Afternoon (Noon - 6pm) - 100% of flight departures

How long is the flight from Washington to London?

For as low as $345, TAP AIR PORTUGAL can have you in London from Washington in 10h 35m. Washington and London are separated by a distance of 3687 mi. This flight may include one or multiple stops.

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

Cheapflights users have booked flights from Washington to London round-trip from $345. Another airline that can offer you cheap pricing is PLAY. You may be able to fly from Washington to London for 51% less than the average price by searching for these airlines.

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

To fly one-way, consider booking your trip with Avianca, which is currently one of the cheapest options available, starting at $216. TAP AIR PORTUGAL flights start at $244 while deals on PLAY start at $250 one-way.

What are the most popular routes from Washington to London?

When deciding which route to take from Washington to London consider Washington Dulles Intl - London Heathrow, Baltimore/Washington - London Heathrow or Washington Reagan-National - London Heathrow as they are the most popular.

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 reliable airlines from Washington to London?

The top 3 most reliable airlines when flying from Washington to London are Air Canada (81%), Austrian Airlines (81%) and Copa Airlines (81%).

What are the cheapest flights from Washington to London?

While on average a flight from Washington to London is generally $1,524, our data shows the cheapest flight currently is $349. When looking at the most popular route, (Washington Dulles Intl - London Heathrow), you can expect to pay $357 for that flight.

Can I fly to London from Washington right now?

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 48 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.


Can I 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 24 hours before departing to Washington.

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

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.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
SAS
Cheapest$355
Average$652
FlexibilityNo cancel fee
On-time77%
COVID-19 safety
Virgin Atlantic
Cheapest$367
Average$673
FlexibilityNo cancel fee
On-time72%
COVID-19 safety
Icelandair
Cheapest$392
Average$696
FlexibilityNo cancel fee
On-time76%
COVID-19 safety
WOW air
Cheapest$410
Average$625
FlexibilityNo cancel fee
On-timeN/A
COVID-19 safety
Delta
Cheapest$415
Average$827
FlexibilityNo cancel fee
On-timeN/A
COVID-19 safety
United Airlines
Cheapest$437
Average$790
FlexibilityNo cancel fee
On-time69%
COVID-19 safety
American Airlines
Cheapest$469
Average$837
FlexibilityNo cancel fee
On-time71%
COVID-19 safety
Air Canada
Cheapest$471
Average$1,143
FlexibilityNo cancel fee
On-time67%
COVID-19 safety
SWISS
Cheapest$473
Average$615
FlexibilityNo cancel fee
On-time79%
COVID-19 safety
Lufthansa
Cheapest$473
Average$699
FlexibilityNo cancel fee
On-time76%
COVID-19 safety

Hourly flight availability from Washington to London

See what time of day planes typically take off from Washington to London
1%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
78%of flight departuresAfternoonNoon to 6 pm
21%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Washington to London

See how many times per day planes take to the skies headed from Washington to London
Sunday11daily flights
Monday18daily flights
Tuesday11daily flights
Wednesday22daily flights
Thursday17daily flights
Friday11daily flights
Saturday11daily flights