$452 Cheap Flights from Washington to London

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Find The Best Dates To Fly from Ronald Reagan Washington National to Heathrow

Amazing DCA to LHR Flight Deals

The cheapest flights to Heathrow found within the past 7 days were $623 round trip and $452 one way. Prices and availability subject to change. Additional terms may apply.

Best Heathrow Flight and Hotel Packages

Heathrow flight + hotel packages - economy flights

OYO The Arch Wembley
OYO Arinza Hotel
Trebovir Hotel
Point A Hotel London Shoreditch
The Strand Palace Hotel
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Frequently asked questions

 

Traveling From Ronald Reagan Washington National
Traveling To Heathrow
Shortest Flight Time hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price $623

Route Info

Flight path for flights from Ronald Reagan National Airport to London Heathrow Airport

Distance:
3,674.00 miles

Airlines & Aircraft Used on DCA to LHR Flight Routes

Airline Carrier
Aircraft
Air Canada
Boeing 737-300 pax
Air Canada
Boeing 737-500 pax
Air Canada
Boeing 737-700 pax
American Airlines
Boeing 737-300 pax
Delta Air Lines
De Havilland Canada DHC-8-400 Dash 8Q
United Airlines
Boeing 737-300 pax
United Airlines
Boeing 737-500 pax
United Airlines
Boeing 737-700 pax
United Airlines
De Havilland Canada DHC-8 Dash 8 all models

Discover our best flights from Washington DCA to London LHR. 

With 17 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Washington DCA to London LHR at the right price  

Airfares to London LHR from Washington DCA currently cost between $623 and $648. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Washington DCA to London LHR 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Washington DCA to London LHR on Travelocity starting at $452. Prices and availability subject to change. Additional terms may apply. 

 

Get to London LHR from Washington DCA quicker with direct flights. 

Get to London faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to LHR from DCA to take around hour(s) min(s).  

 

Find our cheapest airfares for flights from Washington DCA to London LHR

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to LHR from DCA. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Washington DCA to London LHR today 

If you’re flexible about when you travel, September is usually the cheapest month to fly from Washington DCA to London LHR. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to London LHR from Washington DCA 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to LHR from DCA have this option.  

 

Travel with confidence when you book flights to London LHR from Washington DCA with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.