Question 1

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

Accepted Answer

In the last 3 days, the lowest price for a flight from London to Washington, D.C. Reagan-National Airport was $532 for a one-way ticket and $548 for a round-trip. <a href='/flight-routes/London-LON/Washington-Reagan-National-DCA'>Visit our flight page for the latest deals!>/a>

Question 2

Do I need a passport to fly between London and Reagan Washington National Airport?

Accepted Answer

Yes <a href='/flight-routes/London-LON/Washington-Reagan-National-DCA'>Visit our flight page for the latest deals!>/a>

Question 3

Which airports will I be using when flying from London to Reagan Washington National Airport?

Accepted Answer

There are 3 airports in London (London City, London Gatwick, and London Heathrow.) and only 1 airport in Reagan Washington National Airport (Washington, D.C. Reagan-National). The cheapest flights are generally found on the London Heathrow Airport to Washington, D.C. Reagan-National flight route. <a href='/flight-routes/London-LON/Washington-Reagan-National-DCA'>Visit our flight page for the latest deals!>/a>

Question 4

Which aircraft models fly most regularly from London to Reagan Washington National Airport?

Accepted Answer

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

Question 5

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

Accepted Answer

The cheapest month for flights from London to Washington, D.C. Reagan-National Airport is February, where tickets cost $559 (return) on average. On the other hand, the most expensive months are June and August, where the average cost of round-trip tickets is $948 and $927 respectively.

Question 6

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

Accepted Answer

The cheapest month for flights from London to Washington, D.C. Reagan-National Airport is February, where tickets cost $559 (return) on average. On the other hand, the most expensive months are June and August, where the average cost of round-trip tickets is $948 and $927 respectively.

Question 7

How does KAYAK find such low prices on flights from London to Reagan Washington National Airport?

Accepted Answer

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 London to Reagan Washington National Airport. <a href='/flight-routes/London-LON/Washington-Reagan-National-DCA'>Visit our flight page for the latest deals!>/a>

Question 8

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Reagan Washington National Airport?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Reagan Washington National Airport from London is likely to change within 7 days, so travelers know whether to wait or book now. <a href='/flight-routes/London-LON/Washington-Reagan-National-DCA'>Visit our flight page for the latest deals!>/a>

Question 9

What is the Hacker Fare option on flights from London to Reagan Washington National Airport?

Accepted Answer

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 Reagan Washington National Airport with an airline and back to London with another airline. <a href='/flight-routes/London-LON/Washington-Reagan-National-DCA'>Visit our flight page for the latest deals!>/a>

Question 10

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to Reagan Washington National Airport?

Accepted Answer

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 Reagan Washington National Airport from London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/London-LON/Washington-Reagan-National-DCA'>Visit our flight page for the latest deals!>/a>

Question 11

What is the cheapest layover airport when flying from London to Reagan Washington National Airport?

Accepted Answer

Flights via Reykjavik (KEF) offer the most affordable fares, with an average round-trip price of $413.

Question 12

What is the most popular layover airport when flying from London to Reagan Washington National Airport?

Accepted Answer

Boston (BOS) is the top choice – 50% of KAYAK users who clicked on 1-stop flights from London to Reagan Washington National Airport picked an itinerary connecting there.

Question 13

Which layover airport has the quickest connection when flying from London to Reagan Washington National Airport?

Accepted Answer

If you prefer a quick connection, Reykjavik (KEF) often has the shortest layovers from London to Reagan Washington National Airport, with an average of 1h 33m.

Question 14

Which layover airport offers the shortest total travel time from London to Reagan Washington National Airport?

Accepted Answer

Consider flying via Reykjavik (KEF) for the shortest journey. The average one-way travel time for flights connecting there is 11h 00m.

Question 15

Which airlines provide the cheapest flights from London to Reagan Washington National Airport?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from London to Reagan Washington National Airport were found on Air Canada ($548) and American Airlines ($562).

Question 16

Which airlines provide the cheapest flights from London to Reagan Washington National Airport?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from London to Reagan Washington National Airport were found on Air Canada ($548) and American Airlines ($562).

Question 17

How far in advance should I book a flight from London to Washington, D.C. Reagan-National Airport?

Accepted Answer

To get a below average price on the flight from London to Washington, D.C. Reagan-National Airport, you should book around 2 weeks before departure, which saves you about 19% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 22 weeks before departure.

Question 18

How far in advance should I book a flight from London to Washington, D.C. Reagan-National Airport?

Accepted Answer

To get a below average price on the flight from London to Washington, D.C. Reagan-National Airport, you should book around 2 weeks before departure, which saves you about 19% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 22 weeks before departure.

Low season	January
High season	July
Cheapest flight	$532

LON - DCA

$532 Find Cheap Flights from London to Reagan Washington National Airport

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C. Reagan-National Airport

Everything you should know

Cheap Flights from London to Reagan-National (LON-DCA)

Recent round-trip flight deals from London to Reagan-National

Recent one-way flight deals from London to Reagan-National

Recent last minute flight deals from London to Reagan-National

KAYAK's insights & trends for London to Reagan-National flights

Get data-powered insights and trends into flights from London to Reagan-National to help you find the cheapest flights, the best time to fly and much more.

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

The cheapest month for flights from London to Washington, D.C. Reagan-National Airport is February, where tickets cost $559 (return) on average. On the other hand, the most expensive months are June and August, where the average cost of round-trip tickets is $948 and $927 respectively.

How far in advance should I book a flight from London to Washington, D.C. Reagan-National Airport?

Which airlines provide the cheapest flights from London to Reagan Washington National Airport?

In the past 3 days, the cheapest round-trip tickets from London to Reagan Washington National Airport were found on Air Canada ($548) and American Airlines ($562).

What is the most popular layover airport when flying from London to Reagan Washington National Airport?

Boston (BOS) is the top choice – 50% of KAYAK users who clicked on 1-stop flights from London to Reagan Washington National Airport picked an itinerary connecting there.

What is the cheapest layover airport when flying from London to Reagan Washington National Airport?

Flights via Reykjavik (KEF) offer the most affordable fares, with an average round-trip price of $413.

Which layover airport offers the shortest total travel time from London to Reagan Washington National Airport?

Consider flying via Reykjavik (KEF) for the shortest journey. The average one-way travel time for flights connecting there is 11h 00m.

Which layover airport has the quickest connection when flying from London to Reagan Washington National Airport?

If you prefer a quick connection, Reykjavik (KEF) often has the shortest layovers from London to Reagan Washington National Airport, with an average of 1h 33m.

Good to know

When to book flights from London to Reagan-National

FAQs for booking London to Reagan Washington National Airport flights

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

In the last 3 days, the lowest price for a flight from London to Washington, D.C. Reagan-National Airport was $532 for a one-way ticket and $548 for a round-trip.

Do I need a passport to fly between London and Reagan Washington National Airport?

Yes

Which airports will I be using when flying from London to Reagan Washington National Airport?

There are 3 airports in London (London City, London Gatwick, and London Heathrow.) and only 1 airport in Reagan Washington National Airport (Washington, D.C. Reagan-National). The cheapest flights are generally found on the London Heathrow Airport to Washington, D.C. Reagan-National flight route.

Which aircraft models fly most regularly from London to Reagan Washington National Airport?

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

How does KAYAK find such low prices on flights from London to Reagan Washington National Airport?

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 London to Reagan Washington National Airport.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Reagan Washington National Airport?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Reagan Washington National Airport from London 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 London to Reagan Washington National Airport?

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 Reagan Washington National Airport with an airline and back to London with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to Reagan Washington National Airport?

Everything you need to know for your flight from London to Reagan-National

Information on your arrival and departure airports

Cabin class types available on flights to Reagan-National

Complete your trip to Washington, D.C. with a hotel stay or car rental

Find direct flights to and from London and Reagan-National

Flights to other popular destinations

Flights from domestic origins to Reagan-National

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

Find deals for your return flight