€448 Cheap Flights London to Washington (LHR-DCA)

View €448 flight on Sun, 26 Oct 2025Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Ronald Reagan Washington National Airport (DCA)

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Cheap flights from London to Washington (LHR-DCA)

Prices were available within the past 7 days and start at €448 for one-way flights and €510 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Tue, 9 Sep - Tue, 16 Sep
LHR
London
DCA
Washington
€510 Return, found 6 days ago
€510
Return
found 6 days ago
Select JetBlue Airways flight, departing Tue, 9 Sep from London to Washington, returning Tue, 16 Sep, priced at €510 found 6 days ago
JetBlue Airways
Mon, 8 Sep - Mon, 22 Sep
LHR
London
DCA
Washington
€523 Return, found 6 days ago
€523
Return
found 6 days ago
Select JetBlue Airways flight, departing Mon, 8 Sep from London to Washington, returning Mon, 22 Sep, priced at €523 found 6 days ago
Brussels Airlines
Thu, 5 Mar - Sat, 14 Mar
LHR
London
DCA
Washington
€534 Return, found 4 days ago
€534
Return
found 4 days ago
Select Brussels Airlines flight, departing Thu, 5 Mar from London to Washington, returning Sat, 14 Mar, priced at €534 found 4 days ago
Air Canada
Wed, 10 Sep - Wed, 17 Sep
LHR
London
DCA
Washington
€543 Return, found 5 days ago
€543
Return
found 5 days ago
Select Air Canada flight, departing Wed, 10 Sep from London to Washington, returning Wed, 17 Sep, priced at €543 found 5 days ago
JetBlue Airways
Thu, 4 Sep - Thu, 11 Sep
LHR
London
DCA
Washington
€545 Return, found 2 days ago
€545
Return
found 2 days ago
Select JetBlue Airways flight, departing Thu, 4 Sep from London to Washington, returning Thu, 11 Sep, priced at €545 found 2 days ago
JetBlue Airways
Sun, 31 Aug - Tue, 9 Sep
LHR
London
DCA
Washington
€547 Return, found 1 day ago
€547
Return
found 1 day ago
Select JetBlue Airways flight, departing Sun, 31 Aug from London to Washington, returning Tue, 9 Sep, priced at €547 found 1 day ago
JetBlue Airways
Thu, 4 Sep - Thu, 11 Sep
LHR
London
DCA
Washington
€557 Return, found 2 days ago
€557
Return
found 2 days ago
Select JetBlue Airways flight, departing Thu, 4 Sep from London to Washington, returning Thu, 11 Sep, priced at €557 found 2 days ago
JetBlue Airways
Tue, 21 Oct - Mon, 27 Oct
LHR
London
DCA
Washington
€560 Return, found 1 day ago
€560
Return
found 1 day ago
Select JetBlue Airways flight, departing Tue, 21 Oct from London to Washington, returning Mon, 27 Oct, priced at €560 found 1 day ago
British Airways
Mon, 8 Sep - Mon, 22 Sep
LHR
London
DCA
Washington
€561 Return, found 6 days ago
€561
Return
found 6 days ago
Select British Airways flight, departing Mon, 8 Sep from London to Washington, returning Mon, 22 Sep, priced at €561 found 6 days ago
American Airlines
Tue, 2 Sep - Mon, 8 Sep
LHR
London
DCA
Washington
€585 Return, found 3 days ago
€585
Return
found 3 days ago
Select American Airlines flight, departing Tue, 2 Sep from London to Washington, returning Mon, 8 Sep, priced at €585 found 3 days ago

Find the cheapest month to fly from London (LHR) to Washington (DCA)

January is typically the cheapest month to fly

From €410 - €923 per traveller.

Graph displaying average flight prices per month

London to Washington route information
Origin airport
Heathrow
Destination airport
Ronald Reagan Washington National
Airlines serving
American Airlines, Delta, JetBlue Airways
Return price
€510
Distance
5847 km

Perfect flights from London to Washington

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Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Heathrow to Ronald Reagan Washington National ticket options cater to your travel preferences, with incredible one-way fares from €448 and roundtrip prices from €510. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Ronald Reagan Washington National and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Washington.

Frequently asked questions

How much is a flight from Heathrow Airport (LHR) to National Airport?
Round-trip journeys between London Heathrow and Ronald Reagan Washington National Airport (DCA) start from €510. This is based on fares available within the last 7 days on Expedia for flights departing within the next year — book today so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Heathrow Airport (LHR) to National Airport?
Most flights can be cancelled online, but every air carrier has its own set of terms and conditions. If you do need to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Heathrow Airport (LHR) to Ronald Reagan Washington National Airport (DCA) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Heathrow Airport to DCA flights, you'll see a "no change fees" filter for you to select.
How far is the flight from LHR to National Airport?
With a flight distance of 5,900 kilometres between Hounslow and Arlington, this is a long flight. Ensure that you keep well hydrated and go for a short walk down the aisle every so often.
Which airlines fly direct from Heathrow Airport to DCA?
Direct flights aren't available, so you'll have to make at least one stop between Heathrow Airport and DCA. Use the layover time to stretch your legs and grab a bite to eat.
Are Heathrow Airport to Ronald Reagan Washington National Airport (DCA) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from London Heathrow to DCA can be hit-or-miss. It is possible to score a bargain, but you could also miss out completely! If you'd prefer to start your travel planning ahead of time, Expedia compares flight deals up to a year in advance. Just remember that not all airlines release their prices that far in advance. Our advice? Check back often as updates are made regularly.

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