Cheap Flights from Washington D.C. to London from £189️ (WAS-LON)

App

Help

GBP

Search Bookings

Flights from Washington D.C. to London

Hotels in London

Worldwide Coverage

Flights to over 5,000 cities

One-stop Service Guarantee

Price guaranteed upon confirmed payment, booking guaranteed once tickets issued

Secure Payment

Convenient & reliable booking and payment system

Flights from Washington D.C. to London Starting at CNY 189

We've found these cheap flights for you. You can book one-way or return flight tickets.

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from Washington D.C. to London

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Airlines Flying from Washington D.C. to London

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

United Airlines

From £189

Alaska Airlines

From £190

Delta Air Lines

From £191

Icelandair

From £200

Southwest Airlines

From £204

Frontier Airlines

From £226

Porter Airlines

From £264

TAP Air Portugal

From £280

Air Canada

From £285

Scandinavian Airlines

From £290

ANA airlines

Find more flights and airlines

Alternative Routes from Washington D.C. to London

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Washington D.C. to London.

Cheapest
IAD
18:50
13h 50m
1 transfer
LTN
13:40
Washington Dulles International Airport - London Luton Airport
Tue, Jul 23PLAY
£187
IAD
07:10
24h 40m
1 transfer
LHR
12:50
Washington Dulles International Airport - London Heathrow Airport
Tue, May 7Alaska Airlines
£190
DCA
09:10
22h 40m
1 transfer
LHR
12:50
Ronald Reagan Washington National Airport - London Heathrow Airport
Tue, May 7Alaska Airlines
£223
DCA
09:10
22h 40m
1 transfer
LHR
12:50
Ronald Reagan Washington National Airport - London Heathrow Airport
Tue, May 7Alaska Airlines
£223
Find More Flights

How do I find the cheapest flights?

When are flight tickets from Washington D.C. (WAS) to London (LON) the cheapest?
Airlines adjust prices for flights from Washington D.C. to London based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much are flights from Washington D.C. (WAS) to London (LON) cost?
According to Trip.com's data, the lowest price is around £791.
How long is the flight from Washington D.C. (WAS) to London (LON)?
It takes about 7 hours 16 minutes to fly from Washington D.C. (WAS) to London (LON).
What is the transportation method from the main airport to downtown in London?
- The distance from London Gatwick Airport to downtown is about 39km, by taxi about 50 minutes.
- The distance from London Heathrow Airport to downtown is about 23km, by taxi about 40 minutes.
- The distance from London Luton Airport to downtown is about 44km, by taxi about 1 hour.
What are the most popular airlines that fly from Washington D.C. (WAS) to London (LON)?
Airlines with flights from Washington D.C. (WAS) to London (LON): Finnair, Iberia, Air Canada, Copa Airlines, Swiss Airlines, Aer Lingus, Delta Air Lines, British Airways, American Airlines, United Airlines, Lufthansa, Virgin Atlantic and Austrian Airlines.
What's the most popular airline for direct flights from Washington D.C. (WAS) to London (LON)?
Austrian Airlines operates 17 direct flights from Washington D.C. (WAS) to London (LON).
How many airports in London (LON)?
There are 7 airport(s) in London (LON): London Biggin Hill Airport, London City Airport, London Gatwick Airport, London Heathrow Airport, London Luton Airport, London Southend Airport and London Stansted Airport.

How to find a cheap flight from Washington D.C. to London

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Washington D.C. to London. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com

Flight Information from Washington D.C. to London

Cheapest direct flight price	£188
Cheapest return ticket price	£413
Cheapest month	March
Peak season for travel	October
Flight distance	5,896.82km
Average flight time	7 hours 16 minutes
Popular airline	Virgin Atlantic