£340 Cheap Flights from London (LGW) to Washington (DCA)

View £340 flight on Mon, 1 Jun 2026Opens in a new window

Popular airlines from Gatwick Airport (LGW) to Ronald Reagan National Airport (DCA)

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Cheap Flights from London (LGW) to Washington (DCA)

Prices were available within the past 7 days and start at £340 for one-way flights and £527 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, 13 Nov - Thu, 19 Nov
LGW
London
DCA
Washington
£527 Return, found 2 days ago
£527
Return
found 2 days ago
Select American Airlines flight, departing Fri, 13 Nov from London to Washington, returning Thu, 19 Nov, priced at £527 found 2 days ago
JetBlue Airways
Tue, 26 May - Tue, 2 Jun
LGW
London
DCA
Washington
£529 Return, just found
£529
Return
just found
Select JetBlue Airways flight, departing Tue, 26 May from London to Washington, returning Tue, 2 Jun, priced at £529 just found
JetBlue Airways
Sun, 7 Jun - Tue, 9 Jun
LGW
London
DCA
Washington
£530 Return, found 5 days ago
£530
Return
found 5 days ago
Select JetBlue Airways flight, departing Sun, 7 Jun from London to Washington, returning Tue, 9 Jun, priced at £530 found 5 days ago
Finnair
Fri, 13 Nov - Thu, 19 Nov
LGW
London
DCA
Washington
£533 Return, found 2 days ago
£533
Return
found 2 days ago
Select Finnair flight, departing Fri, 13 Nov from London to Washington, returning Thu, 19 Nov, priced at £533 found 2 days ago
Finnair
Fri, 13 Nov - Thu, 19 Nov
LGW
London
DCA
Washington
£536 Return, found 2 days ago
£536
Return
found 2 days ago
Select Finnair flight, departing Fri, 13 Nov from London to Washington, returning Thu, 19 Nov, priced at £536 found 2 days ago
British Airways
Fri, 13 Nov - Thu, 19 Nov
LGW
London
DCA
Washington
£540 Return, found 2 days ago
£540
Return
found 2 days ago
Select British Airways flight, departing Fri, 13 Nov from London to Washington, returning Thu, 19 Nov, priced at £540 found 2 days ago
American Airlines
Tue, 9 Jun - Tue, 23 Jun
LGW
London
DCA
Washington
£541 Return, found 2 days ago
£541
Return
found 2 days ago
Select American Airlines flight, departing Tue, 9 Jun from London to Washington, returning Tue, 23 Jun, priced at £541 found 2 days ago
American Airlines
Fri, 13 Nov - Thu, 19 Nov
LGW
London
DCA
Washington
£543 Return, found 2 days ago
£543
Return
found 2 days ago
Select American Airlines flight, departing Fri, 13 Nov from London to Washington, returning Thu, 19 Nov, priced at £543 found 2 days ago
British Airways
Thu, 14 May - Thu, 10 Sept
LGW
London
DCA
Washington
£544 Return, found 1 day ago
£544
Return
found 1 day ago
Select British Airways flight, departing Thu, 14 May from London to Washington, returning Thu, 10 Sept, priced at £544 found 1 day ago
Iberia
Fri, 13 Nov - Thu, 19 Nov
LGW
London
DCA
Washington
£545 Return, found 2 days ago
£545
Return
found 2 days ago
Select Iberia flight, departing Fri, 13 Nov from London to Washington, returning Thu, 19 Nov, priced at £545 found 2 days ago

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Baltimore Washington Intl. Thurgood Marshall BWI. Average driving time to city centre is 40 minutes. Flights from £655
BWI
Baltimore Washington Intl. Thurgood Marshall
Average driving time to city centre40 min
Flights from £655
Select flight to Washington Dulles Intl. IAD. Cheapest option available. Average driving time to city centre is 36 minutes. Flights from £606
IAD
Washington Dulles Intl.
Cheapest
Average driving time to city centre36 min
Flights from £606

Frequently asked questions

How do I find cheap flights from London (LGW-Gatwick) to Washington, DC (DCA-Ronald Reagan Washington National)?
To find a cheap flight from London (LGW-Gatwick) to Washington, DC (DCA-Ronald Reagan Washington National), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from London (LGW-Gatwick) to Washington, DC (DCA-Ronald Reagan Washington National)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from London (LGW-Gatwick) to Washington, DC (DCA-Ronald Reagan Washington National)?
There are approximately 10 connecting flights per day from London Gatwick (LGW) to Washington, DC Ronald Reagan Washington National (DCA). Some common connection points include Roissy-Charles de Gaulle (CDG), Keflavik Intl. (KEF), and Logan Intl. (BOS).
What is the earliest flight from London (LGW-Gatwick) to Washington, DC (DCA-Ronald Reagan Washington National)?
The earliest flight from London Gatwick (LGW) to Washington, DC Ronald Reagan Washington National (DCA) typically departs at approximately 10:00 AM local time. This service is operated by UX and Delta. This is a seasonal service active in September. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from London (LGW-Gatwick) to Washington, DC (DCA-Ronald Reagan Washington National)?
Flying from LGW to DCA with a connection usually takes about 14 hours 30 minutes, traveling roughly 3,674 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from London (LGW-Gatwick) to Washington, DC (DCA-Ronald Reagan Washington National)?
Select the "Business class" and "First class" filters when looking for LGW to DCA flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a London (LGW-Gatwick) to Washington, DC (DCA-Ronald Reagan Washington National) flight with Expedia?
It's easy to earn miles on a London (LGW-Gatwick) to Washington, DC (DCA-Ronald Reagan Washington National) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Washington from Gatwick (LGW)?
When traveling from Gatwick (LGW) to Washington, you can fly into Ronald Reagan Washington National (DCA) and Washington Dulles Intl. (IAD). Some flights may connect through major hubs like Adolfo Suarez Madrid-Barajas (MAD), ZRH (ZRH), Keflavik Intl. (KEF) before reaching Washington. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from London (LGW-Gatwick) to Washington, DC (DCA-Ronald Reagan Washington National) at the last minute?
Typically, booking a last minute flight from London (LGW-Gatwick) to Washington, DC (DCA-Ronald Reagan Washington National) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a London (LGW-Gatwick) to Washington, DC (DCA-Ronald Reagan Washington National) flight and hotel package?
Securing a London (LGW-Gatwick) to Washington, DC (DCA-Ronald Reagan Washington National) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from London (LGW-Gatwick) to Washington, DC (DCA-Ronald Reagan Washington National)?
If you booked your London (LGW-Gatwick) to Washington, DC (DCA-Ronald Reagan Washington National) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Gatwick
Destination airport
Ronald Reagan Washington National
Airlines serving
Air France, American Airlines, British Airways, Delta, Iberia, Icelandair, JetBlue Airways, KLM, TAP Portugal, Virgin Atlantic
Return price
£526
Distance
5877 km

Book with confidence

Compare flights from London to Washington easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from London to Washington. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Ronald Reagan Washington National in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Gatwick to Ronald Reagan Washington National.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Gatwick (LGW) to Ronald Reagan Washington National (DCA)

The easiest way to view the best deals on flights from London to Washington today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Gatwick to Ronald Reagan Washington National start at just £527 and range up to £592.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near London and Washington
  • booking your flight during November, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your London to Washington flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Gatwick to Ronald Reagan Washington National for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from London to Washington easily and book with confidence

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