$374 Cheap Flights from Washington to London

Wander Wisely with exceptional service, 24/7 support

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 $601 round trip and $374 one way. Prices and availability subject to change. Additional terms may apply.

Wed, Nov 1 - Thu, Nov 9
DCA
Washington
LHR
London
$601 Roundtrip, found 3 hours ago
$601
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Nov 1 from Washington to London, returning Thu, Nov 9, priced at $601 found 3 hours ago
Mon, Dec 11 - Mon, Dec 18
DCA
Washington
LHR
London
$603 Roundtrip, found 3 hours ago
$603
Roundtrip
found 3 hours ago
Select Finnair flight, departing Mon, Dec 11 from Washington to London, returning Mon, Dec 18, priced at $603 found 3 hours ago
Mon, Nov 13 - Tue, Nov 28
DCA
Washington
LHR
London
$604 Roundtrip, found 3 days ago
$604
Roundtrip
found 3 days ago
Select Finnair flight, departing Mon, Nov 13 from Washington to London, returning Tue, Nov 28, priced at $604 found 3 days ago
Thu, Nov 23 - Wed, Nov 29
DCA
Washington
LHR
London
$606 Roundtrip, found 6 hours ago
$606
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Thu, Nov 23 from Washington to London, returning Wed, Nov 29, priced at $606 found 6 hours ago
Sat, Mar 9 - Sat, Mar 16
DCA
Washington
LHR
London
$626 Roundtrip, found 18 hours ago
$626
Roundtrip
found 18 hours ago
Select Air Canada flight, departing Sat, Mar 9 from Washington to London, returning Sat, Mar 16, priced at $626 found 18 hours ago
Wed, Oct 4 - Thu, Oct 12
DCA
Washington
LHR
London
$628 Roundtrip, found 14 hours ago
$628
Roundtrip
found 14 hours ago
Select British Airways flight, departing Wed, Oct 4 from Washington to London, returning Thu, Oct 12, priced at $628 found 14 hours ago
Mon, Nov 13 - Mon, Nov 27
DCA
Washington
LHR
London
$630 Roundtrip, found 3 days ago
$630
Roundtrip
found 3 days ago
Select British Airways flight, departing Mon, Nov 13 from Washington to London, returning Mon, Nov 27, priced at $630 found 3 days ago
Thu, Nov 16 - Thu, Nov 30
DCA
Washington
LHR
London
$631 Roundtrip, found 1 day ago
$631
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Nov 16 from Washington to London, returning Thu, Nov 30, priced at $631 found 1 day ago
Wed, Feb 14 - Tue, Feb 20
DCA
Washington
LHR
London
$632 Roundtrip, found 3 days ago
$632
Roundtrip
found 3 days ago
Select Air Canada flight, departing Wed, Feb 14 from Washington to London, returning Tue, Feb 20, priced at $632 found 3 days ago
Fri, Jan 12 - Thu, Jan 25
DCA
Washington
LHR
London
$633 Roundtrip, found 4 days ago
$633
Roundtrip
found 4 days ago
Select Air Canada flight, departing Fri, Jan 12 from Washington to London, returning Thu, Jan 25, priced at $633 found 4 days ago

Frequently asked questions

Can I catch a flight from Ronald Reagan Washington National Airport (DCA) to Heathrow Airport (LHR) right now?
It’s prudent to know about any travel advice reports and quarantine requirements in place in your destination city. Make sure you go to the Covid-19 Travel Advisor for up-to-date info on flying to Heathrow Airport (LHR).
Are there direct flights from DCA to Heathrow Airport (LHR)?
If you need to travel quickly from DCA to Heathrow Airport, look into American Airlines, Delta and British Airways. No airlines have direct flights between the two locations, so you’ll have to make at least one stopover.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Heathrow Airport, please visit our Customer Service Portal.
How long is the flight from DCA to LHR?
The travel time between Ronald Reagan Washington National Airport (DCA) and London Heathrow is approximately 10 hours and 58 minutes — long enough to muddle anyone’s body clock. Consider the differences in time zones and make sure you get some sleep on the flight to prevent jet lag.
What is the flight distance from DCA to LHR?
From DCA to London Heathrow, the flight distance is 3,700 mi. It’s a long-haul journey, so make sure you pack your carry-on essentials. A pair of compression socks and an eye mask are smart items to begin with.
What airlines fly from DCA to Heathrow Airport (LHR)?
No direct flights are offered between DCA and Heathrow Airport. Start planning early to save time and find the best route with the least amount of connections.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with British Airways, Virgin Atlantic or SAS you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

 

Traveling From
Ronald Reagan Washington National
Traveling To
Heathrow
Shortest Flight Time
 hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price
$601

Route Info

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


Origin:
DCA - Ronald Reagan National Airport
Destination:
LHR - 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 20 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 $601 and $633. 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 $374. 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, November 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.