CA $399 Cheap Flights from Washington (DCA) to London (LHR)

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

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Cheap flights from Washington (DCA) to London (LHR)

Prices were available within the past 7 days and start at CA $399 for one-way flights and CA $885 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Delta
Virgin Atlantic
JetBlue Airways
Virgin Atlantic
JetBlue Airways
American Airlines
Air Canada
Air Canada
Air Canada

Alternative airports near London

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

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

September is typically the cheapest month to fly

From CA $721 - CA $1,207 per traveller.
Flight from Washington to London (DCA - LHR) route information
Origin airport
Ronald Reagan Washington National
Destination airport
Heathrow
Airlines serving
Air Canada, American Airlines, British Airways, Delta, Iberia, JetBlue Airways, Scandinavian Airlines, TAP Portugal, United, Virgin Atlantic
Roundtrip price
CA $884
Distance
5847 km

Washington to London Flights

The easy way to book your flights from Washington to London 

With Expedia, it’s simple to find and book flights to London from Washington whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Heathrow, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Washington to London today, tomorrow, or this week.  

 

Save dollars with cheap flights from Ronald Reagan Washington National, DCA to Heathrow, LHR 

Sort your search results by price to find great deals on your flight from Washington to London—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to London from Washington currently is just CA $885 rising to CA $899.  

Here are more money-saving tips: 

  • Fly in February when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to London  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to London from Washington 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to London with Expedia today.

Frequently asked questions

How much is a flight from National Airport to Heathrow Airport?
Start packing your suitcase, because round-trip flights from Ronald Reagan Washington National Airport (DCA) to LHR start from CA $885. That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can increase quickly, so book now to get the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Ronald Reagan Washington National Airport (DCA) to LHR?
Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from National Airport to Heathrow Airport that have flexible change policies?
Flights from DCA to LHR offering flexible change policies are available from several carriers. Simply use our "No change fees" filter when searching. You'll only need to pay the cost difference between flights, with no extra fees to worry about.
How many hours is the flight from Ronald Reagan Washington National Airport (DCA) to Heathrow Airport?
Make the 10 hours and 35 minutes between National Airport and LHR as comfortable as you can. Pack the essentials, like a water bottle, toothbrush and toiletries, and sit back and enjoy the flight!
How far is the flight from Ronald Reagan Washington National Airport (DCA) to LHR?
Arlington to Hounslow is around 5,900 kilometres, so be prepared to spend quite a while in the air. Don't forget to pack all the essentials, from your eye mask to your earphones. Toss in a couple of snacks to munch on throughout your trip too.
Which airlines fly direct from National Airport to Heathrow Airport?
At the moment, no airlines offer direct flights from DCA to Heathrow Airport (LHR). You'll need to book a flight with one or more stops. To score the best price and connections, lock in your airfare well ahead of time.
Are DCA to LHR flight tickets cheaper when they're purchased at the last minute?
Tickets from Ronald Reagan Washington National Airport (DCA) to Heathrow Airport (LHR) are available up to a year prior to departure on Expedia. And although you may occasionally nab a fantastic last-minute deal, it's not something you should bank on. Also, booking your flights ahead of time means you'll have more choices — and you can avoid getting stuck in the dreaded middle seat! We frequently update our fares to make sure you get the biggest bargains, so check back often for all the latest specials.

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