Question 1

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

Accepted Answer

Flying on Scandinavian Airlines is currently your cheapest option to London, with prices starting at $326. Another option worth looking into is PLAY, starting at $346 round trip. Scandinavian Airlines is 54% cheaper than the average price of flights available within the next 90 days to this destination.

Question 2

How recently were the Washington, D.C. to London flight deals updated?

Accepted Answer

The Washington, D.C. to London flight deals you see on this page were last updated on 5/22.

Question 3

When is the best time to book a flight from Washington, D.C. to London?

Accepted Answer

The best time to book flights from Washington, D.C. to London is 23 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

When is the best time 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 $652). Flying from Washington, D.C. to London in June is currently the most expensive (average of $1,138). 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

When is the cheapest time 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 Thursday at noon when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

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. Dulles Intl - London City as they are the most popular.

Question 7

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 $2,982, our data shows the cheapest flight currently is $446. When looking at the most popular route, (Washington, D.C. Dulles Intl - London Heathrow), you can expect to pay $326 for that flight.

Question 8

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 American Airlines (75%), Aer Lingus (75%) and Finnair (75%).

Question 9

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

Accepted Answer

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

Question 10

Can I find flights from Washington, D.C. to London for under $400 on Cheapflights?

Accepted Answer

Yes, there are multiple flights from Washington, D.C. to London for under $400. The cheapest flight booked recently is on Scandinavian Airlines for just $326, but on average you can expect to pay $353.

Question 11

Are there nonstop flights from Washington, D.C. to London for under $600 on Cheapflights?

Accepted Answer

Cheapflights has at least 20 direct flights from Washington, D.C. to London under $600. A good price for a nonstop flight from Washington, D.C. to London is less than $621.

Question 12

Are there last-minute flights available from Washington, D.C. to London for under $600?

Accepted Answer

There are currently 20+ open flights from Washington, D.C. to London within the next 7 days for less than $600.

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, Icelandic Phallological Museum, and Harpa. Those on a layover in Reykjavik interested in visiting Hallgrímskirkja, Icelandic Phallological Museum, or Harpa can do so by traveling 23.2 mi, 23.5 mi, and 23.3 mi, respectively from Reykjavik Keflavik Intl. Travelers can book a car rental at Reykjavik Keflavik Intl for about $56 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

St. Patrick's Cathedral, Molly Malone Statue, 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 St. Patrick's Cathedral, Molly Malone Statue, and Dublin Castle, by traveling 6.1 mi, 5.8 mi, and 5.8 mi, respectively after landing at Dublin. Travelers can book a car rental at Dublin for about $28 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 Sunday, 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 24 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 24 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 $735, or $790 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 October tends to be the cheapest month to fly to London from Washington, D.C.. Users have commonly found prices around $719 for the month, but tickets can be as low as $353. Due to multiple factors, prepare for potentially higher prices in June.

Question 20

When is the cheapest time to fly from Washington, D.C. to London (WAS - 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 16% on your trip compared to booking a flight in the morning.

Question 21

Accepted Answer

If you’re traveling from Washington, D.C. to London, one of the more common airlines traveling that route is Scandinavian Airlines. Flights from Scandinavian Airlines traveling this route typically cost $672.25 RT. This price is typically 49% more expensive than other airlines that offer Washington, D.C. to London flights. When booking this route, the cheapest RT price found was $563. When traveling from Washington, D.C. to London on Scandinavian Airlines, the most popular airport to depart from is Washington, D.C. Dulles Intl Airport and the most popular airport to arrive at is London Heathrow Airport. When flying from Washington, D.C. to London, Scandinavian Airlines flights are 6% more popular than any other airline flying that same route.

Question 22

Accepted Answer

One of the most popular airlines traveling from Washington, D.C. to London is Iberia. Flights on this route from Iberia typically cost $799.93 RT, a price that is 71% cheaper than the average Washington, D.C. to London flight. The cheapest flight found was $406 RT. When traveling from Washington, D.C. to London on Iberia, the most popular airport to depart from is Washington, D.C. Dulles Intl Airport and the most popular airport to arrive at is London Heathrow Airport. When flying from Washington, D.C. to London, Iberia flights are 4% more popular than any other airline flying that same route.

Question 23

What does IAD to LHR mean?

Accepted Answer

IAD stands for Washington, D.C. Dulles Intl Airport, while LHR stands for London Heathrow Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), London Southend Airport (SEN) are some additional IATA codes for airports related to your trip.

Question 24

Can I find deals for flights from Washington, D.C. to London that include extra baggage allowance?

Accepted Answer

The amount of baggage you can bring on your Washington, D.C. to London flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Question 25

Can I find deals on flights from Washington, D.C. to London with specific airlines?

Accepted Answer

Yes, Cheapflights allows you to browse and filter Washington, D.C. to London flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Question 26

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 27

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 28

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.

Question 29

Can I find deals for flights from Washington, D.C. to London that allow pets onboard?

Accepted Answer

Many airlines flying from Washington, D.C. to London offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Question 30

Can I find deals on last-minute flights from Washington, D.C. to London?

Accepted Answer

Yes, you can often find last-minute deals on Washington, D.C. to London flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

Question 31

How does Cheapflights help users find flights from Washington, D.C. to London?

Accepted Answer

Cheapflights makes it easy to find Washington, D.C. to London 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 32

Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to London?

Accepted Answer

Cheapflights helps you find that perfect flight to London from Washington, D.C. by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Question 33

Can Cheapflights find flights from Washington, D.C. to London with no change fees?

Accepted Answer

Yes! Cheapflights helps users easily find flights from Washington, D.C. to London with no change fees.

Question 34

Can Cheapflights notify me if prices for flights from Washington, D.C. to London become cheaper?

Accepted Answer

Not ready to book yet? You can track prices for flights from Washington, D.C. to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

Popular in	June
Cheapest in	October
Round-trip from	$643
One-way from	$222

Airline	Cheapest	Average	Flexibility	On-time
Norse Atlantic UK	Cheapest$185	Average$651	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
PLAY	Cheapest$350	Average$491	FlexibilityNo cancel fee	On-timeN/A	Search PLAY flights
Lufthansa	Cheapest$389	Average$790	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Air Canada	Cheapest$392	Average$773	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
KLM	Cheapest$401	Average$885	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Delta	Cheapest$406	Average$800	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Scandinavian Airlines	Cheapest$427	Average$446	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Icelandair	Cheapest$461	Average$672	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
TAP AIR PORTUGAL	Cheapest$478	Average$600	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Aer Lingus	Cheapest$479	Average$684	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

1%of flight departures	Early morningMidnight to 6 am
0%of flight departures	Morning6 am to noon
24%of flight departures	AfternoonNoon to 6 pm
75%of flight departures	Evening6 pm to midnight

Sunday	30daily flights
Monday	30daily flights
Tuesday	30daily flights
Wednesday	30daily flights
Thursday	30daily flights
Friday	30daily flights
Saturday	24daily flights

Cheap flights from Washington, D.C. (WAS) to London (LON) from $222

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 11/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

The best prices from Washington, D.C. to London are usually found in October or January, booked 23 days in advance, depart on a Monday or Wednesday and return on a Wednesday

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

Popular in

Cheapest in

Round-trip from

One-way from

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

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

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

When is the cheapest time to fly from Washington, D.C. to London (WAS - LON)?

Cheap Scandinavian Airlines flights from Washington, D.C. to London

Find some of the cheapest Scandinavian Airlines flights traveling from Washington, D.C. to London. It's recommended that users confirm their flight details before booking.

Cheap Iberia flights from Washington, D.C. to London

Browse through some of the cheapest Iberia flights traveling from Washington, D.C. to London. Make sure to examine the flight information before completing your reservation.

Cheap Washington, D.C. to London flights in May & June 2024

Find cheap flight options from Washington, D.C. to London specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,730,072 searches. Prices were last updated on May 22, 2024.

Check out some of the best flight deals from Washington, D.C. to London in 2024. More deals are always being added, so be sure to check back regularly.

Washington, D.C. to London 2024 flight deals

Discover exclusive flight deals for travel between Washington, D.C. and London in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,730,072 searches. Data last updated May 22, 2024.

Check out some of the best flight deals from Washington, D.C. to London in 2024. More deals are always being added, so be sure to check back regularly.

Non-stop flights to London from Washington, D.C.

To help reduce your travel time, choose from one of these non-stop flights from Washington, D.C. to London. Users seeking other options on flights from Washington, D.C. to London should update the search form at the top of the page.

Washington, D.C. to London flights leaving soon

Users seeking a last-minute flight from Washington, D.C. to London should consider booking one of these fares. Users should be sure to double check the price, date, and time of their last-minute flight.

One-way flights to London from Washington, D.C.

Take a look at some of the one-way flights we've detected from Washington, D.C. to London. Users can also find round-trip Washington, D.C. to London flights by using the search form above.

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

When is the best time to book a flight from Washington, D.C. to London?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to London. Price data was last updated on May 10, 2024.

The best time to book flights from Washington, D.C. to London is 23 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.

When is the cheapest time to fly from Washington, D.C. to London?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to London. Price data was last updated on May 19, 2024.

Best time to book a flight from Washington, D.C. to London

Have a flexible travel schedule? Discover the best time to fly to London from Washington, D.C. with our price prediction graph.

Temperature and rainfall in London by month

Plan your trip to London by taking into account the average temperature and rainfall totals by month.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated May 22, 2024.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find flights from Washington, D.C. to London for under $400 on Cheapflights?

Are there nonstop flights from Washington, D.C. to London for under $600 on Cheapflights?

Are there last-minute flights available from Washington, D.C. to London for under $600?

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

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

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

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

What does IAD to LHR mean?

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

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

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

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

Can I find deals for flights from Washington, D.C. to London that include extra baggage allowance?

Can I find deals on flights from Washington, D.C. to London with specific airlines?

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

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

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

Can I find deals for flights from Washington, D.C. to London that allow pets onboard?

Can I find deals on last-minute flights from Washington, D.C. to London?

How recently were the Washington, D.C. to London flight deals updated?

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

When is the best time to book a flight from Washington, D.C. to London?

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Fly from Washington, D.C. to London on these airlinesChoose from the following airlines for your flight from Washington, D.C. to London. Flights are based on user searches made on Cheapflights and were last updated on May 22, 2024.

Choose from the following airlines for your flight from Washington, D.C. to London. Flights are based on user searches made on Cheapflights and were last updated on May 22, 2024.

Top 10 airlines flying from Washington, D.C. to London

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

Find hourly flight availability from Washington, D.C. to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 22, 2024.

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

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Fly from Washington, D.C. to London on these airlines
Choose from the following airlines for your flight from Washington, D.C. to London. Flights are based on user searches made on Cheapflights and were last updated on May 22, 2024.