WAS - LON Price | $646 - $896 |
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LON Temperature | 39.2 - 62.6 °F |
LON Rainfall | 1.6 - 2.8 inches |
Popular in | July | High demand for flights, 19% potential price rise |
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Cheapest in | March | Best time to find cheap flights, 11% potential price drop |
Round-trip from | $646 | From Washington, D.C. (WAS) to London (LON) |
One-way from | $215 | One-way flight from Washington, D.C. (WAS) to London (LON) |
It’s generally more expensive to depart on a Tuesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.
Travelers have found it’s best to book a flight 61 days in advance to save up to 24% 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 61 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 $851, or $965 for flights within the next 24 hours.
Our data shows that March tends to be the cheapest month to fly to London from Washington, D.C.. Users have commonly found prices around $728 for the month, but tickets can be as low as $501. Due to multiple factors, prepare for potentially higher prices in July.
A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to London in the evening. If you’re flexible enough to do this you can expect to save up to 11% on your trip compared to booking a flight in the morning.
Baltimore/Washington
London Stansted
2 stops
23h 00mLondon Stansted
Baltimore/Washington
2 stops
24h 30mMultiple Airlines
Baltimore/Washington
London Stansted
2 stops
23h 00mLondon Stansted
Baltimore/Washington
2 stops
24h 30mMultiple Airlines
Baltimore/Washington
London Gatwick
2 stops
20h 25mLondon Gatwick
Baltimore/Washington
2 stops
24h 30mMultiple Airlines
Baltimore/Washington
London Stansted
2 stops
23h 00mLondon Stansted
Baltimore/Washington
2 stops
24h 30mMultiple Airlines
Baltimore/Washington
London Stansted
2 stops
23h 00mLondon Stansted
Baltimore/Washington
2 stops
24h 30mMultiple Airlines
Baltimore/Washington
London Gatwick
2 stops
20h 25mLondon Gatwick
Baltimore/Washington
2 stops
24h 30mMultiple Airlines
Washington, D.C. Dulles Intl
London Heathrow
Nonstop
7h 05mLondon Heathrow
Washington, D.C. Dulles Intl
Nonstop
8h 25mFinnair
Baltimore/Washington
London Heathrow
Nonstop
6h 55mLondon Heathrow
Baltimore/Washington
Nonstop
8h 25mFinnair
Baltimore/Washington
London Heathrow
Nonstop
6h 55mLondon Heathrow
Baltimore/Washington
Nonstop
8h 25mFinnair
Washington, D.C. Dulles Intl
London Heathrow
1 stop
23h 25mLondon Heathrow
Washington, D.C. Dulles Intl
1 stop
13h 50mScandinavian Airlines
Washington, D.C. Dulles Intl
London Heathrow
1 stop
23h 25mLondon Heathrow
Washington, D.C. Dulles Intl
1 stop
13h 15mScandinavian Airlines
Washington, D.C. Dulles Intl
London Heathrow
Nonstop
6h 55mLondon Heathrow
Washington, D.C. Dulles Intl
Nonstop
8h 25mVirgin Atlantic
Washington, D.C. Dulles Intl
London Heathrow
Nonstop
6h 55mLondon Heathrow
Washington, D.C. Dulles Intl
Nonstop
8h 25mVirgin Atlantic
Washington, D.C. Dulles Intl
London Heathrow
Nonstop
6h 55mLondon Heathrow
Washington, D.C. Dulles Intl
Nonstop
8h 20mVirgin Atlantic
Baltimore/Washington
London Stansted
1 stop
10h 25mLondon Stansted
Baltimore/Washington
1 stop
11h 25mPLAY
Washington, D.C. Dulles Intl
London Heathrow
1 stop
23h 25mLondon Heathrow
Washington, D.C. Dulles Intl
1 stop
13h 50mScandinavian Airlines
Baltimore/Washington
London Stansted
1 stop
10h 25mLondon Stansted
Baltimore/Washington
1 stop
11h 25mPLAY
Washington, D.C. Dulles Intl
London Gatwick
1 stop
17h 10mTAP AIR PORTUGAL
Washington, D.C. Dulles Intl
London Heathrow
1 stop
23h 00mTAP AIR PORTUGAL
Washington, D.C. Dulles Intl
London Gatwick
1 stop
12h 10mTAP AIR PORTUGAL
Boarding
Comfort
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Reviews
The flight was delayed leaving ORD by 10 minutes which wasn't a problem. But the plane took a long time to push back from the gate and because of the weather, the plane had to be de-iced. That took 30 minutes or more which caused a problem for many passengers making connections in Atlanta. I appreciate the need for safety and that takes priority over all other considerations, but it would have been nice if flights in Atlanta could have been notified about the delay and those that had tight connections could have made their flights.
Boarding
Comfort
Overall
Food
Crew
Entertainment
Reviews
The flight was delayed leaving ORD by 10 minutes which wasn't a problem. But the plane took a long time to push back from the gate and because of the weather, the plane had to be de-iced. That took 30 minutes or more which caused a problem for many passengers making connections in Atlanta. I appreciate the need for safety and that takes priority over all other considerations, but it would have been nice if flights in Atlanta could have been notified about the delay and those that had tight connections could have made their flights.
Boarding
Comfort
Overall
Food
Crew
Entertainment
Reviews
The flight was delayed leaving ORD by 10 minutes which wasn't a problem. But the plane took a long time to push back from the gate and because of the weather, the plane had to be de-iced. That took 30 minutes or more which caused a problem for many passengers making connections in Atlanta. I appreciate the need for safety and that takes priority over all other considerations, but it would have been nice if flights in Atlanta could have been notified about the delay and those that had tight connections could have made their flights.
Boarding
Comfort
Overall
Food
Crew
Entertainment
Reviews
The flight was delayed leaving ORD by 10 minutes which wasn't a problem. But the plane took a long time to push back from the gate and because of the weather, the plane had to be de-iced. That took 30 minutes or more which caused a problem for many passengers making connections in Atlanta. I appreciate the need for safety and that takes priority over all other considerations, but it would have been nice if flights in Atlanta could have been notified about the delay and those that had tight connections could have made their flights.
Boarding
Comfort
Overall
Food
Crew
Entertainment
Reviews
The flight was delayed leaving ORD by 10 minutes which wasn't a problem. But the plane took a long time to push back from the gate and because of the weather, the plane had to be de-iced. That took 30 minutes or more which caused a problem for many passengers making connections in Atlanta. I appreciate the need for safety and that takes priority over all other considerations, but it would have been nice if flights in Atlanta could have been notified about the delay and those that had tight connections could have made their flights.
Boarding
Comfort
Overall
Food
Crew
Entertainment
Reviews
The flight was delayed leaving ORD by 10 minutes which wasn't a problem. But the plane took a long time to push back from the gate and because of the weather, the plane had to be de-iced. That took 30 minutes or more which caused a problem for many passengers making connections in Atlanta. I appreciate the need for safety and that takes priority over all other considerations, but it would have been nice if flights in Atlanta could have been notified about the delay and those that had tight connections could have made their flights.
British Airways, United Airlines, and American Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.
Yes, there are multiple flights from Washington, D.C. to London for under $400. The cheapest flight booked recently is on Multiple Airlines for just $355, but on average you can expect to pay $376.
Cheapflights has at least 20 direct flights from Washington, D.C. to London under $500. A good price for a nonstop flight from Washington, D.C. to London is less than $539.
There are currently 20+ open flights from Washington, D.C. to London within the next 7 days for less than $400.
Flying on PLAY is currently your cheapest option to London, with prices starting at $371. 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. Reagan-National - London Heathrow as they are the most popular.
Undisclosed Carrier, American Airlines and Air Canada are the most popular airlines when flying from Washington, D.C. to London.
The top 3 most reliable airlines when flying from Washington, D.C. to London are KLM (71%), Delta (71%) and Virgin Atlantic (71%).
While on average a flight from Washington, D.C. to London is generally $2,805, our data shows the cheapest flight currently is $480. When looking at the most popular route, (Washington, D.C. Dulles Intl - London Heathrow), you can expect to pay $424 for that flight.
1%of flight departures | Early morningMidnight to 6 am |
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0%of flight departures | Morning6 am to noon |
39%of flight departures | AfternoonNoon to 6 pm |
60%of flight departures | Evening6 pm to midnight |
Sunday | 27daily flights |
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Monday | 27daily flights |
Tuesday | 27daily flights |
Wednesday | 22daily flights |
Thursday | 22daily flights |
Friday | 27daily flights |
Saturday | 16daily flights |