What is the cheapest flight from Washington, D.C. Reagan-National Airport to London?

In the last 3 days, the lowest price for a flight from Washington, D.C. Reagan-National Airport to London was $293 for a one-way ticket and $525 for a round-trip. Visit our flight page for the latest deals!>/a>

Do I need a passport to fly between Washington, D.C. and London?

Yes Visit our flight page for the latest deals!>/a>

Which aircraft models fly most regularly from Washington, D.C. to London?

We unfortunately don’t have that data for this specific route.

How does KAYAK find such low prices on flights from Washington, D.C. to London?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to London. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to London?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Washington, D.C. to London?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to Washington, D.C. with another airline. Booking your flights between Washington, D.C. and YXU can sometimes prove cheaper using this method. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to London?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

What are the most popular airlines flying to London?

The most popular airline among KAYAK users flying to London is Air Canada, followed by American Airlines and United Airlines.

$293 CHEAP FLIGHTS from Washington, D.C. to London (DCA - YXU)

DCA - YXU

KAYAK searches hundreds of travel sites at once for deals on flights to London

...and more

Travelers love KAYAK

41 299 237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$525

Air Canada

Tue 1/20Thu 1/22

DCA - YXU • 2 stops

Cheapest one-way

$293

United Airlines

Sun 1/11

DCA - YXU • 2 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to London!

Flight Deals

Cheap Flights from Washington, D.C. to London (DCA-YXU)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington, D.C. to London that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Washington, D.C. to London

Tue, Jan 20 - Thu, Jan 22

11:05 am - 9:21 pmDCA-YXU

10h 16m2 stops

5:40 pm - 10:35 pmYXU-DCA

4h 55m1 stop

$525Air Canada

Find Deal

Tue, Jan 20 - Thu, Jan 22

12:55 pm - 9:21 pmDCA-YXU

8h 26m2 stops

5:10 am - 3:33 pmYXU-DCA

10h 23m2 stops

$531Air Canada

Find Deal

Tue, Jan 20 - Thu, Jan 22

9:40 am - 5:05 pmDCA-YXU

7h 25m1 stop

5:10 am - 8:55 amYXU-DCA

3h 45m1 stop

$543Air Canada

Find Deal

Fri, Jan 2 - Mon, Jan 12

8:40 pm - 8:46 amDCA-YXU

12h 06m1 stop

5:10 am - 8:55 amYXU-DCA

3h 45m1 stop

$544Air Canada

Find Deal

Wed, Dec 10 - Fri, Dec 12

7:30 am - 5:05 pmDCA-YXU

9h 35m2 stops

5:10 am - 8:55 amYXU-DCA

3h 45m1 stop

$616United Airlines

Find Deal

Mon, Jan 12 - Mon, Jan 19

6:59 am - 5:05 pmDCA-YXU

10h 06m1 stop

5:40 pm - 10:35 pmYXU-DCA

4h 55m1 stop

$630United Airlines

Find Deal

Wed, Dec 10 - Fri, Dec 12

12:00 pm - 9:21 pmDCA-YXU

9h 21m2 stops

9:25 am - 4:56 pmYXU-DCA

7h 31m2 stops

$631United Airlines

Find Deal

Mon, Jan 12 - Mon, Jan 19

7:00 am - 5:05 pmDCA-YXU

10h 05m2 stops

5:40 pm - 8:59 amYXU-DCA

15h 19m2 stops

$700United Airlines

Find Deal

Mon, Jan 12 - Mon, Jan 19

2:48 pm - 6:34 amDCA-YXU

15h 46m2 stops

8:10 pm - 7:14 pmYXU-DCA

23h 04m3 stops

$723Multiple Airlines

Find Deal

Wed, Dec 10 - Fri, Dec 12

7:20 pm - 7:12 pmDCA-YXU

23h 52m3 stops

7:30 am - 11:37 pmYXU-DCA

16h 07m2 stops

$2,394WestJet

Find Deal

Booking Insights

Cheapest flight	$293

Flight from Washington, D.C. to London

When to book flights from Washington, D.C. to London

Are your dates flexible? Find out the best times to travel from Washington, D.C. to London based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What is the cheapest flight from Washington, D.C. Reagan-National Airport to London?
In the last 3 days, the lowest price for a flight from Washington, D.C. Reagan-National Airport to London was $293 for a one-way ticket and $525 for a round-trip.
Do I need a passport to fly between Washington, D.C. and London?
Yes
Which aircraft models fly most regularly from Washington, D.C. to London?
We unfortunately don’t have that data for this specific route.
How does KAYAK find such low prices on flights from Washington, D.C. to London?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to London.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to London?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Washington, D.C. to London?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to Washington, D.C. with another airline. Booking your flights between Washington, D.C. and YXU can sometimes prove cheaper using this method.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to London?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Washington, D.C. to London

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on your arrival and departure airports

Washington, D.C. (DCA)

London (YXU)

DCA - YXU

$293 Find Cheap Flights from Washington, D.C. to London

KAYAK searches hundreds of travel sites at once for deals on flights to London

Everything you should know

Cheap Flights from Washington, D.C. to London (DCA-YXU)

Recent round-trip flight deals from Washington, D.C. to London

Recent one-way flight deals from Washington, D.C. to London

Good to know

When to book flights from Washington, D.C. to London

FAQs for booking Washington, D.C. to London flights

What is the cheapest flight from Washington, D.C. Reagan-National Airport to London?

In the last 3 days, the lowest price for a flight from Washington, D.C. Reagan-National Airport to London was $293 for a one-way ticket and $525 for a round-trip.

Do I need a passport to fly between Washington, D.C. and London?

Yes

Which aircraft models fly most regularly from Washington, D.C. to London?

We unfortunately don’t have that data for this specific route.

How does KAYAK find such low prices on flights from Washington, D.C. to London?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to London.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to London?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Washington, D.C. to London?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to London?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Washington, D.C. to London

Information on your arrival and departure airports

Cabin class types available on flights to London

Complete your trip to London with a hotel stay or car rental

Find direct flights to and from Washington, D.C. and London

Flights to other popular destinations

Flights from domestic origins to London

Choose which airport to fly into in Washington, D.C.

Find deals for your return flight