$185+ Cheap flights from Washington, D.C. (WAS) to London (LON)

Yes, there are multiple flights from Washington, D.C. to London for under $400. The cheapest flight booked recently is on PLAY for just $365, but on average you can expect to pay $380.

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 $584.

There are currently 20+ open flights from Washington, D.C. to London within the next 7 days for less than $500.

Flying on PLAY is currently your cheapest option to London, with prices starting at $365. PLAY is 49% cheaper than the average price of flights available within the next 90 days to this destination.

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.

The top 3 most reliable airlines when flying from Washington, D.C. to London are Air Canada (56%), Austrian Airlines (56%) and Copa Airlines (56%).

While on average a flight from Washington, D.C. to London is generally $2,303, our data shows the cheapest flight currently is $420. When looking at the most popular route, (Washington, D.C. Dulles Intl - London Heathrow), you can expect to pay $458 for that flight.

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.

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.

The majority of Reykjavik visitors spend their time at Hallgrímskirkja, Harpa, and Icelandic Phallological Museum. Those on a layover in Reykjavik interested in visiting Hallgrímskirkja, Harpa, or Icelandic Phallological Museum can do so by traveling 23.2 mi, 23.3 mi, and 23.5 mi, respectively from Reykjavik Keflavik Intl. Travelers can book a car rental at Reykjavik Keflavik Intl for about $68 per day to make their sightseeing more efficient.

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 $29 per day to make their sightseeing more efficient.

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.

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.

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.

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

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.

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.

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.

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.

The Washington, D.C. to London flight deals you see on this page were last updated on 7/25.

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

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 $1,095). 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.