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  1. Flights
  2. United Kingdom
  3. London
  4. Washington - London

Cheap flights from Washington to London from £143

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Discover the cheapest flights from Washington to London
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Sat 7 Feb - Wed 18 Feb
TAP Portugal
TAP Portugal1 stop
WAS - LON
TAP Portugal
TAP Portugal1 stop
LON - WAS
324£
310£
Prime price per passenger
Thu 29 Jan - Wed 4 Feb
TAP Portugal
TAP Portugal1 stop
WAS - LON
TAP Portugal
TAP Portugal1 stop
LON - WAS
328£
312£
Prime price per passenger
Thu 15 Jan - Wed 21 Jan
Icelandair
Icelandair1 stop
WAS - LON
Icelandair
Icelandair1 stop
LON - WAS
374£
359£
Prime price per passenger
Fri 9 Jan - Sun 11 Jan
Icelandair
Icelandair1 stop
WAS - LON
Icelandair
Icelandair1 stop
LON - WAS
378£
363£
Prime price per passenger
Tue 24 Feb - Sat 28 Feb
Icelandair
Icelandair1 stop
WAS - LON
Icelandair
Icelandair1 stop
LON - WAS
386£
369£
Prime price per passenger
Thu 25 Dec - Mon 29 Dec
TAP Portugal
TAP Portugal1 stop
WAS - LON
TAP Portugal
TAP Portugal1 stop
LON - WAS
645£
629£
Prime price per passenger
Thu 19 Feb
American Airlines
American AirlinesDirect
WAS - LON
150£
143£
Prime price per passenger
Sat 24 Jan
American Airlines
American AirlinesDirect
WAS - LON
162£
Prime price per passenger
Sat 14 Feb
American Airlines
American AirlinesDirect
WAS - LON
171£
163£
Prime price per passenger
Wed 7 Jan
Frontier Airlines
Frontier Airlines3 stops
WAS - LON
241£
232£
Prime price per passenger
Wed 31 Dec
Swiss International Air Lines
Swiss International Air Lines1 stop
WAS - LON
266£
259£
Prime price per passenger
Prices shown below were available within the past 3 days for the period specified and should not be considered the final price offered. Please note that availability and prices are subject to change.

Cheapest time to fly from Washington to London

Flexible with dates? We find the best price for the week of the day you select *Prices may vary after you search.
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week: 19 Jan - 25 Jan
Flights from just £516
£725
£958
£887
£970
£586
£737
£516
£719
£618
£801
£665
£775
DecemberJanuaryFebruary
Flight Time9 h and 22 mFlights from Washington and London last around 9 h and 22 m, although this flight time may also depend on other factors.
Cheapest flight£143The cheapest price available for flights from Washington to London that have been booked by our customers in the last 72 hours
Airport of DepartureDulles IntlYou will depart from Dulles Intl when flying from Washington to London
Airport of ArrivalHeathrowOutbound flights from Washington to London arrive at Heathrow
Peak seasonDecemberAccording to search data from our customers, December is the busiest time to fly from Washington to London
Airlines that fly this routeKlm Royal Dutch Airlines, Air France, British AirwaysAirline(s) that fly fromWashington to London
Best time to bookJuneData from our customers tells us that June is the most popular time to fly to London from Washington
Distance: 3665 miles
Washington airports
Dulles Intl (IAD)How far from city centre: 23 miles
R Reagan National (DCA)How far from city centre: 3 miles
London airports
Gatwick (LGW)How far from city centre: 25 miles
Heathrow (LHR)How far from city centre: 14 miles
Luton International (LTN)How far from city centre: 27 miles
Stansted (STN)How far from city centre: 30 miles
London City (LCY)How far from city centre: 7 miles
Southend (SEN)How far from city centre: 35 miles

Are you planning to travel to London for holidays, business or family visits? Count on eDreams to supply you with the cheapest flights and best offers from all Washington airports. With our fast search engine you will get a large selection of air tickets from standard and low cost airlines and easily make your reservation for this route. If you are flexible we help you find the cheapest day to fly to London and if you need to travel soon you can check our top last minute deals. Read all the information you need to know about your next destination and proceed with the booking, indicating your travel dates and completing your reservation with hotels and car rental!

FAQs about flights from Washington to London

What are the advantages of purchasing flexible flight tickets to London through eDreams UK?
With a flexible flight ticket, you're assured a refund or the option to rebook without any additional fees if your flight from Washington to London gets canceled. eDreams UK has got you covered, ensuring peace of mind and hassle-free travel changes! Plus, this flexibility allows you to adapt your travel plans with ease, offering greater convenience in today’s unpredictable travel environment.
How can I search for and book flights from Washington to London on eDreams UK, and also find the best deals?
With our flight search engine, you can discover flights starting at just £143 for the route from Washington to London. At eDreams UK, our priority is to offer you the most affordable options. You have the flexibility to customize your search based on various criteria, including stopovers, airports, travel dates, and additional filters. This way, you can tailor your journey to meet your specific needs and preferences, ensuring a seamless travel experience.
When is the best time to book a flight ticket from Washington to London?
The top months for booking flights from Washington to London are June, January and July. Travelers often find the best deals and optimal flight options during these times, making them ideal for planning your trip.
What are the best months to book a flight from Washington to London?
The best time to fly to London from Washington really hinges on various personal preferences, particularly regarding budget considerations. In terms of popularity, December stands out as the top month for flights to London from Washington, as indicated by our customer search data. Following closely are August and July. If your goal is to escape the hustle and bustle of peak season and find a more tranquil experience, consider traveling during January, November or May. These months are associated with significantly fewer searches, making them a great choice for those seeking a quieter getaway from Washington to London.
How long does it take to fly from Washington to London?
The average flight time from Washington to London is approximately 09:22 hours. This journey typically covers a distance of about 6,972 km. Please note that the flights along this route may include one or more layovers in different cities.
How does the weather in London differ from that in Washington?
In the summer months, the average temperature in Washington hovers around 33.72 degrees, accompanied by approximately 12 mm of precipitation. In contrast, temperatures in London can rise to 29.01 degrees during the hot season, along with an average rainfall of 9 mm. When winter arrives, the temperature in London tends to average around -3.09 degrees. In the meantime, temperatures in Washington typically reach around -10.8 degrees. Furthermore, during this chilly season, Washington may experience about 14.67 mm of precipitation, while London generally averages 6 mm.

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