Question 1

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

Accepted Answer

Flying on Icelandair is currently your cheapest option to London, with prices starting at $487. Additional round-trip tickets that might be worth considering are offered by PLAY and JetBlue, with the lowest prices starting at $489 and $550, respectively. Icelandair is 34% cheaper than the average price of flights available within the next 90 days to this destination.

Question 2

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

Accepted Answer

$194 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on PLAY and JetBlue, with prices starting from $218 and $248, respectively.

Question 3

How far ahead should I book a flight from Washington, D.C. to London?

Accepted Answer

The best time to book flights from Washington, D.C. to London is 73 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Question 4

What is the cheapest month to book a flight from Washington, D.C. to London?

Accepted Answer

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to London (average of $661). Flying from Washington, D.C. to London in June is currently the most expensive (average of $1,088). 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 Washington, D.C. to London?

Accepted Answer

Travelers seeking maximum savings on their Washington, D.C. to London flight should consider departing on Monday afternoons when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

Weekly flight availability from Washington, D.C. to London

Accepted Answer

The most flights from WAS to LON are scheduled on a Tuesday (26 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (16 on average).

Question 7

E

Accepted Answer

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Question 8

E

Accepted Answer

If weather is an important factor for your trip to London, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Question 9

What are the most popular routes from Washington, D.C. to London?

Accepted Answer

When deciding which route to take from Washington, D.C. to London consider Washington, D.C. Dulles Intl - London Heathrow, Baltimore/Washington - London Heathrow or Washington, D.C. Reagan-National - London Heathrow as they are the most popular.

Question 10

What are the cheapest flights from Washington, D.C. to London?

Accepted Answer

While on average a flight from Washington, D.C. to London is generally $1,552, our data shows the cheapest flight currently is $389. When looking at the most popular route, (Washington, D.C. Dulles Intl - London Heathrow), you can expect to pay $461 for that flight.

Question 11

What are the most reliable airlines from Washington, D.C. to London?

Accepted Answer

The top 3 most reliable airlines when flying from Washington, D.C. to London are Air France (83%), Virgin Atlantic (81%) and Singapore Airlines (81%).

Question 12

What are the most popular airlines that fly from Washington, D.C. to London?

Accepted Answer

American Airlines, Air Canada and Finnair are the most popular airlines when flying from Washington, D.C. to London.

Question 13

Where are the most common layover locations when flying from Washington, D.C. to London?

Accepted Answer

Of the flights from Washington, D.C. to London that have layovers, most of them stop in Reykjavik. Dublin follows Reykjavik in terms of the most common layover location on Washington, D.C. to London flights.

Question 14

Where are the least popular layover locations for Washington, D.C. to London flights?

Accepted Answer

Flights departing from Washington, D.C. and landing in London layover in Boston least frequently. New York sees the next fewest layovers on Washington, D.C. to London flights.

Question 15

What are some popular things to do or see while on a layover in Reykjavik?

Accepted Answer

The majority of Reykjavik visitors spend their time at Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool. Those on a layover in Reykjavik interested in visiting Hallgrímskirkja, Harpa, or Laugardalslaug Geothermal Pool can do so by traveling 23.2 mi, 23.3 mi, and 24.6 mi, respectively from Reykjavik Keflavik Intl. Travelers can book a car rental at Reykjavik Keflavik Intl for about $49 per day to make their sightseeing more efficient.

Question 16

What are some popular points of interest to see during a layover in Dublin?

Accepted Answer

Molly Malone Statue, St. Patrick's Cathedral, and Dublin Castle are the most popular attractions in Dublin if you're in need of something to do during your layover. Travelers on a layover in Dublin can visit Molly Malone Statue, St. Patrick's Cathedral, and Dublin Castle, by traveling 5.8 mi, 6.1 mi, and 5.8 mi, respectively after landing at Dublin. Travelers can book a car rental at Dublin for about $18 per day to make their sightseeing more efficient.

Question 17

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

Accepted Answer

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

Question 18

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

Accepted Answer

Travelers have found it’s best to book a flight 39 days in advance to save up to 17% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 39 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Washington, D.C. to London 1-2 weeks in advance for as low as $776, or $789 for flights within the next 24 hours.

Question 19

What is the cheapest month to fly from Washington, D.C. to London?

Accepted Answer

Our data shows that January tends to be the cheapest month to fly to London from Washington, D.C.. Users have commonly found prices around $744 for the month, but tickets can be as low as $371. Due to multiple factors, prepare for potentially higher prices in June.

Question 20

What is the cheapest time of day to fly from WAS to LON?

Accepted Answer

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to London in the afternoon. If you’re flexible enough to do this you can expect to save up to 19% on your trip compared to booking a flight at noon.

Question 21

E

Accepted Answer

Most accurate provider: When it comes to deals on Washington, D.C.-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-London flight searches over the past month and is updated monthly.

Question 22

E

Accepted Answer

Most trusted provider: When it comes to deals on Washington, D.C.-London flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Question 23

Can I find deals for flights from Washington, D.C. to London that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Washington, D.C. to London flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 24

How can I find direct flights from Washington, D.C. to London?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to London.

Question 25

Can I find deals for business class flights from Washington, D.C. to London?

Accepted Answer

Yes. Cheapflights offers flight deals from Washington, D.C. to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$487 (oojo)
One-way from	$194 (oojo)
Popular in	June
Cheapest in	January
Average price	$860

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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.

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The best prices from Washington, D.C. to London are usually found in January or February, booked 73 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

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Find flight deals from Washington, D.C. to London

Cheapest flights from Washington, D.C. to London
Explore the most affordable flight options available from Washington, D.C. to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 10, 2024.

Explore the most affordable flight options available from Washington, D.C. to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 10, 2024.

Best flights from Washington, D.C. to London
Discover carefully curated flight deals from Washington, D.C. to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 10, 2024.

Discover carefully curated flight deals from Washington, D.C. to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 10, 2024.

Last-minute flights from Washington, D.C. to London
Discover last-minute flight deals from Washington, D.C. to London. Data last updated December 10, 2024 and is based on user searches.

Discover last-minute flight deals from Washington, D.C. to London. Data last updated December 10, 2024 and is based on user searches.

One-way flights from Washington, D.C. to London
Search for one-way flight options from Washington, D.C. to London. Find affordable one-way fares based on user searches. Data last updated December 10, 2024.

Search for one-way flight options from Washington, D.C. to London. Find affordable one-way fares based on user searches. Data last updated December 10, 2024.

Find flights from Washington, D.C. to London within your budget

$194+ Cheap flights from Washington, D.C. (WAS) to London (LON)