Question 1

What are the cheapest airlines flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport round-trip?

Accepted Answer

Flying on JetBlue is currently your cheapest option to Washington, D.C. Reagan-National Airport, with prices starting at £481. Additional return tickets that might be worth considering are offered by Air Canada and KLM, with the lowest prices starting at £484 and £485, respectively. Users have found that JetBlue is 23% cheaper than the other options available to this destination.

Question 2

What are the cheapest airlines to fly from London Heathrow Airport to Washington, D.C. Reagan-National Airport one-way?

Accepted Answer

One-way options have recently been found by users for as low as £401 on JetBlue. Other airlines that offer cheap prices include Icelandair from £455 and Finnair from £456 one-way.

Question 3

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

Accepted Answer

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Washington, D.C. Reagan-National Airport, you should look to book at least 90 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Question 4

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

Accepted Answer

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Washington, D.C. Reagan-National Airport (average of £625). Flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of £934). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 5

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

Accepted Answer

Travellers seeking maximum savings on their London Heathrow Airport to Washington, D.C. Reagan-National Airport flight should consider departing on Monday at midday when fares are most often at their lowest. Saturday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

E

Accepted Answer

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 66.0 mm.

Question 7

E

Accepted Answer

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Question 8

What are the most popular airlines that fly from London Heathrow Airport to Washington, D.C. Reagan-National Airport?

Accepted Answer

The most popular airlines flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport are Air Canada, Finnair and JetBlue. Something to consider prior to booking your flight.

Question 9

What is the cheapest day to fly round-trip from London Heathrow Airport to Washington, D.C. Reagan-National Airport?

Accepted Answer

It’s generally more expensive to depart on a Sunday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

Question 10

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

Accepted Answer

Users have found that booking a flight from London Heathrow Airport to Washington, D.C. Reagan-National Airport at least 50 days early can save you up to 30% on average compared to booking a flight this week. If booking 50 days before your flight isn’t an option for you, users have found flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport for as little as £548 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £759 for flights departing within the next 3 days.

Question 11

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

Accepted Answer

February is one of the best times of the year to fly to Washington, D.C. Reagan-National Airport from London Heathrow Airport. Prices for February average £544 per person but you can even find prices for as low as £223. The most expensive prices can be found in the month of July. Opting for a February flight can save you 20% on your journey compared to booking in July

Question 12

What is the cheapest time of day to fly from LHR to DCA?

Accepted Answer

When flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 10% versus a flight in the afternoon.

Question 13

Can I find deals for flights from Heathrow to Reagan-National that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Heathrow to Reagan-National flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 14

How can I find direct flights from Heathrow to Reagan-National?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Reagan-National.

Question 15

Can I find deals for business class flights from Heathrow to Reagan-National?

Accepted Answer

Yes. Cheapflights offers flight deals from Heathrow to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 16

How does Cheapflights help users find flights from Heathrow to Reagan-National?

Accepted Answer

Cheapflights makes it easy to find Heathrow to Reagan-National flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Question 17

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Reagan-National?

Accepted Answer

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Reagan-National from Heathrow.

Question 18

Can Cheapflights find flights from Heathrow to Reagan-National with no change fees?

Accepted Answer

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Reagan-National flexibly with Cheapflights today.

Question 19

Can Cheapflights notify me if prices for flights from Heathrow to Reagan-National become cheaper?

Accepted Answer

Of course! You can now track prices for flights from Heathrow to Reagan-National and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

Round-trip from	£481
One-way from	£395
Popular in	July
Cheapest in	January
Average price	£827

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£357	Average£519	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
JetBlue	Cheapest£369	Average£558	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Lufthansa	Cheapest£471	Average£623	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
British Airways	Cheapest£479	Average£633	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£483	Average£643	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Finnair	Cheapest£493	Average£602	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Air Canada	Cheapest£510	Average£665	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Virgin Atlantic	Cheapest£544	Average£686	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights

Cheap flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport from £395

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from London Heathrow to Washington, D.C. Reagan-National are usually found in January or March, booked 90 days in advance, depart on a Monday or Wednesday and return on a Monday

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Find flight deals from Heathrow to Reagan-National

Cheapest flights from Heathrow to Reagan-NationalExplore the most affordable flight options available from Heathrow to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 July 2025.

Explore the most affordable flight options available from Heathrow to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 July 2025.

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Use the filters below to find and compare flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport that are best for you.

Best time to book a flight from Heathrow to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Heathrow with our price prediction graph.

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Everything you need to know about your flight from London Heathrow Airport to Washington, D.C. Reagan-National Airport

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Reagan-National. Price data was last updated on 27 June 2025.

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

What is the cheapest time of day to fly from LHR to DCA?

Find hourly flight availability from Heathrow to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 July 2025.

Reviews of airlines servicing Reagan-National

Read through reviews of airlines operating flights from London Heathrow Airport to Washington, D.C. Reagan-National Airport, such as KLM, Finnair, andVirgin Atlantic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from London Heathrow Airport to Washington, D.C. Reagan-National Airport round-trip?

What are the cheapest airlines to fly from London Heathrow Airport to Washington, D.C. Reagan-National Airport one-way?

Can I find deals for flights from Heathrow to Reagan-National that include hotel bookings?

How can I find direct flights from Heathrow to Reagan-National?

Can I find deals for business class flights from Heathrow to Reagan-National?

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

Travelling to a place near London Heathrow Airport?

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Alternative routes for Heathrow to Reagan-National

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Top 8 airlines flying from Heathrow to Reagan-National

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How does Cheapflights help users find flights from Heathrow to Reagan-National?

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Reagan-National?

Can Cheapflights find flights from Heathrow to Reagan-National with no change fees?

Can Cheapflights notify me if prices for flights from Heathrow to Reagan-National become cheaper?

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Cheapest flights from Heathrow to Reagan-National
Explore the most affordable flight options available from Heathrow to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 July 2025.