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

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The best prices from Washington to London are usually found in February or January, booked 60 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

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

WAS - LON
Price
$533 - $988
LON
Temperature
48.2 - 73.4 °F
LON
Rainfall
1.4 - 2.8 inches
Popular in June High demand for flights, 32% potential price rise
Cheapest in February Best time to find cheap flights, 21% potential price drop
Round-trip from $533 From Washington to London
One-way from $76 One-way flight from Washington to London
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Washington to London?

Friday flights are generally found to be more expensive for flights from Washington to London. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London.

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

To save on the cost of your flight from Washington to London, book at least 51 days before your planned departure. Booking around this time can save you about 38% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $813 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $886.

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

Our data shows that February tends to be the cheapest month to fly to London from Washington. Users have commonly found prices around $634 for the month, but tickets can be as low as $394. Due to multiple factors, prepare for potentially higher prices in June.

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

When flying from Washington to London, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 3% versus a flight at noon.

Cheap flights from Washington to London in September, October 2020

The best prices found for WAS to LON flights for September, October
1 Oct - 12 Oct
$250pp
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
STN
London Stansted
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl
8 Oct - 12 Oct
$285pp
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
STN
London Stansted
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl
1 Oct - 12 Oct
$285pp
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
LGW
London Gatwick
LGW
London Gatwick
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl

Washington to London 2020 flight deals

Cheap flights to London from Washington found for this year
1 Oct - 12 Oct
$250pp
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
STN
London Stansted
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl
8 Oct - 12 Oct
$285pp
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
STN
London Stansted
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl
1 Oct - 12 Oct
$285pp
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
LGW
London Gatwick
LGW
London Gatwick
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl

Non-stop flights to London from Washington

Save time with Washington to London direct flight deals
1 Feb - 8 Feb
$593pp
IAD
Washington Dulles Intl
Multiple Airlines
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
IAD
Washington Dulles Intl
4 Nov - 11 Nov
$594pp
BWI
Baltimore/Washington
Multiple Airlines
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Iberia
Non-Stop
BWI
Baltimore/Washington
4 Nov - 11 Nov
$597pp
IAD
Washington Dulles Intl
Austrian Airlines
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Austrian Airlines
Non-Stop
IAD
Washington Dulles Intl

Last minute flights from Washington to London

Late deals on round-trip flights to London from Washington, departing today and this week
8 Oct - 12 Oct
$285pp
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
STN
London Stansted
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl
8 Oct - 11 Oct
$302pp
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
STN
London Stansted
Multiple Airlines
   
2 STOPS
IAD
Washington Dulles Intl
8 Oct - 12 Oct
$302pp
IAD
Washington Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
IAD
Washington Dulles Intl

One-way flights to London from Washington

The cheapest one-way flights from Washington to London
3:00 pm - 8:40 am
TAP AIR PORTUGAL
1 Stop
13h 40m
IAD - LHR
TAP AIR PORTUGAL
$76
mytrip.com
3:55 pm - 6:50 am
TAP AIR PORTUGAL
1 Stop
33h 55m
IAD - LGW
TAP AIR PORTUGAL
$82
mytrip.com
3:55 pm - 5:30 am
Multiple Airlines
2 Stops
32h 35m
IAD - LTN
Multiple Airlines
$114
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 $300 on Cheapflights?

Yes, there are multiple flights from Washington to London for under $300. The cheapest flight booked recently is on Multiple Airlines for just $285, but on average you can expect to pay $300.

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 $614.

Are there last-minute flights available from Washington to London for under $300?

There are currently 20+ open flights from Washington to London within the next 7 days for less than $300.

Is Washington weather warmer or cooler than London?

Our data indicates that the weather will be 90 °F on average in the month of July. The temperature in London is typically colder than in Washington. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long is the flight from Washington to London?

Departing from Washington to London will take you 6h 55m. 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?

According to our current data, TAP AIR PORTUGAL ($300), offers the cheapest pricing from Washington to London. You may be able to fly from Washington to London for 55% less than the average price by searching for this airline.

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

The cheapest airline for a one-way flight from Washington to London is TAP AIR PORTUGAL ($76).

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
Flight duration
7h 40m
Average temperature for September in London
68.0 °F
Avg rainfall for September in London
1.9 ″

Airports servicing Washington

Reagan National (DCA)

Airports servicing London

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

Hourly flight availability from Washington to London

Afternoon Noon to 6 PM 54% of WAS to LON departures
Evening 6 PM to midnight 45% of WAS to LON departures
Early morning Midnight to 6 AM 1% of WAS to LON departures
Morning 6 AM to noon 0% of WAS to LON departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Washington to London
Sunday
11 daily flights
Monday
11 daily flights
Tuesday
11 daily flights
Wednesday
11 daily flights
Thursday
11 daily flights
Friday
11 daily flights
Saturday
11 daily flights
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