How long is the flight from Washington, D.C. to London?

Departing from Washington, D.C. to London will take you 10h 15m. The distance between Washington, D.C. and London is about 3683 mi. Both multi-stop and direct flights can be found to your destination and back.

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

British Airways, at £436, was found to be the cheapest airline from Washington, D.C. to London.Alternate airlines flying return to your destination include Virgin Atlantic and Icelandair. These flights start at 29% lower than the current average price 3 months from now.

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

The cheapest airline one-way is Virgin Atlantic, with whom users have recently found tickets for as low as £210. However, be on the lookout for offers from British Airways and United Airlines, as they are both options that can get you from Washington, D.C. to London for a low price.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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

The most popular route from Washington, D.C. to London is Washington, D.C. Dulles Intl - London Heathrow. You may also consider Baltimore/Washington - London Heathrow or Washington, D.C. Reagan-National - London Heathrow.

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

Looking at all options, your cheapest flight can be booked for £223. While the most popular route (Washington, D.C. Dulles Intl - London Heathrow) can be booked for £398 on average, our data indicates £595 when flying from Washington, D.C. to London.

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

Before booking your flight to London from Washington, D.C., check out the most reliable airlines to get you to your destination on time: Aer Lingus (69%), Iberia (69%), KLM( 68%).

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

Before booking your flight from Washington, D.C. to London check out the most popular airlines for this route: British Airways, Virgin Atlantic or United Airlines.

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

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

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

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.

Can I find deals for business class 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.

£168+ Cheap Flights from Washington, D.C. to London

Cheapflights Tip: The best prices from Washington, D.C. to London are usually found in January or February, booked 17 days in advance, depart on a Monday or Tuesday and return on a Friday

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

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 24 August 2026.

Fri 16/1022:50 -

2 stops18h 50m

Wed 28/1008:15 -

2 stops36h 00m

Deal found 19/8£454

Mon 12/1022:35 -

2 stops14h 55m

Tue 20/1018:55 -

2 stops25h 15m

Deal found 24/8£455

Wed 25/1122:30 -

2 stops17h 20m

Tue 1/1221:30 -

2 stops28h 05m

Deal found 19/8£456

Thu 29/1018:25 -

1 stop13h 00m

Mon 9/1106:00 -

1 stop14h 15m

Deal found 20/8£456

Thu 15/1022:35 -

2 stops20h 20m

Tue 20/1009:10 -

2 stops35h 00m

Deal found 23/8£457

Thu 29/1018:25 -

1 stop13h 00m

Thu 5/1106:00 -

1 stop14h 15m

Deal found 19/8£457

Wed 14/1017:45 -

2 stops21h 35m

Wed 21/1008:20 -

2 stops35h 50m

Deal found 21/8£457

Mon 7/920:20 -

3 stops33h 00m

Wed 23/911:00 -

3 stops35h 00m

Deal found 19/8£457

Tue 13/1017:05 -

2 stops17h 55m

Tue 20/1009:10 -

2 stops35h 00m

Deal found 23/8£458

Thu 15/1020:20 -

3 stops35h 35m

Sun 18/1017:20 -

3 stops28h 40m

Deal found 19/8£458

Fri 16/1022:50 -

1 stop18h 10m

Wed 21/1006:00 -

1 stop14h 10m

Deal found 19/8£458

Tue 6/1022:35 -

2 stops17h 25m

Tue 13/1009:10 -

2 stops35h 00m

Deal found 22/8£459

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 stopovers in mind to ensure you get the best travel experience. Data last updated 24 August 2026.

Thu 12/1119:40 -

1 stop12h 20m

Mon 16/1108:00 -

1 stop15h 40m

Deal found 23/8£500

Sat 12/1219:40 -

1 stop10h 15m

Fri 18/1211:55 -

1 stop11h 35m

Deal found 20/8£506

Thu 12/1120:30 -

2 stops14h 55m

Sun 22/1119:30 -

1 stop26h 45m

Deal found 21/8£515

Sun 15/1122:30 -

2 stops17h 05m

Sun 22/1110:40 -

1 stop14h 55m

Deal found 21/8£545

Thu 15/1021:40 -

1 stop38h 10m

Tue 20/1017:35 -

1 stop31h 10m

Deal found 21/8£627

Tue 27/1012:34 -

1 stop15h 21m

Tue 10/1106:50 -

2 stops32h 59m

Deal found 22/8£636

Tue 27/1009:15 -

2 stops19h 45m

Tue 10/1110:00 -

2 stops19h 50m

Deal found 19/8£643

Wed 30/912:02 -

2 stops14h 53m

Wed 14/1011:30 -

2 stops16h 34m

Deal found 23/8£645

Tue 13/1013:20 -

1 stop12h 10m

Wed 21/1011:55 -

1 stop16h 04m

Deal found 20/8£657

Thu 10/1217:45 -

1 stop10h 05m

Wed 16/1210:00 -

1 stop10h 55m

Deal found 20/8£683

Thu 10/1218:55 -

Nonstop7h 10m

Thu 17/1213:50 -

Nonstop8h 15m

Deal found 20/8£690

Wed 14/1015:25 -

1 stop12h 15m

Mon 19/1009:15 -

1 stop11h 50m

Deal found 24/8£722

Mon 9/1117:25 -

1 stop14h 25m

Tue 17/1119:05 -

1 stop25h 25m

Deal found 19/8£808

Tue 17/1119:40 -

1 stop10h 15m

Fri 27/1111:55 -

1 stop11h 35m

Deal found 21/8£506

Tue 3/1119:40 -

1 stop14h 25m

Sun 8/1106:00 -

1 stop17h 30m

Deal found 22/8£508

Thu 22/1020:20 -

1 stop16h 20m

Fri 30/1019:50 -

2 stops28h 00m

Deal found 19/8£515

Sun 18/1020:30 -

1 stop13h 10m

Sun 1/1111:55 -

1 stop11h 45m

Deal found 22/8£507

Thu 12/1119:40 -

2 stops15h 35m

Mon 16/1107:20 -

2 stops16h 10m

Deal found 23/8£512

Thu 15/1020:20 -

2 stops18h 35m

Mon 26/1007:05 -

2 stops15h 10m

Deal found 19/8£520

Fri 11/1222:30 -

1 stop12h 15m

Sun 20/1221:25 -

2 stops22h 50m

Deal found 22/8£584

Thu 3/1219:40 -

1 stop12h 20m

Mon 7/1208:00 -

1 stop15h 30m

Deal found 24/8£515

Mon 21/921:40 -

1 stop38h 10m

Fri 2/1010:50 -

1 stop29h 40m

Deal found 23/8£627

Mon 12/1018:35 -

Nonstop7h 20m

Fri 4/1212:05 -

Nonstop8h 35m

Deal found 20/8£646

Mon 23/1118:15 -

1 stop9h 35m

Thu 26/1109:20 -

1 stop11h 25m

Deal found 20/8£647

Mon 21/918:10 -

1 stop18h 10m

Wed 30/909:20 -

2 stops18h 54m

Deal found 22/8£654

Fri 16/1014:25 -

1 stop11h 05m

Mon 19/1011:55 -

1 stop16h 04m

Deal found 19/8£657

Fri 12/222:30 -

1 stop12h 15m

Mon 15/221:35 -

2 stops22h 10m

Deal found 22/8£623

Tue 19/118:05 -

Nonstop7h 10m

Sun 24/116:25 -

Nonstop8h 30m

Deal found 19/8£690

Thu 24/921:40 -

1 stop31h 15m

Thu 1/1017:35 -

1 stop22h 55m

Deal found 24/8£627

Fri 4/1219:40 -

1 stop13h 15m

Mon 7/1208:00 -

1 stop15h 40m

Deal found 22/8£522

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

Round-trip from	£454
One-way from	£168
Popular in	June
Cheapest in	January
Average price	£666
Good round-trip deal	£683 or less
Good one-way deal	£337 or less

16/10-28/10
4 total stops
54h 50m total
Washington, D.C. to London

Search Deals

21/10
2 total stops
23h 20m total
Washington, D.C. to London

Search Deals

Highest demand for flights based on searches. 19% potential increase in price (£110 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Price to beat on a round-trip flight from Washington, D.C. (WAS) to London (LON).

Search Deals

Price to beat on a one-way flight from Washington, D.C. (WAS) to London (LON).

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BaltimoreLondon

BWI Baltimore/Washington - LTN London Luton

BWILTN

Baltimore/Washington

Thu 12/11

19:40-13:00

1 stop12h 20m

London Luton

Mon 16/11

08:00-18:40

1 stop15h 40m

£500

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LGW London Gatwick

IADLGW

Washington, D.C. Dulles Intl

Sat 12/12

19:40-10:55

1 stop10h 15m

London Gatwick

Fri 18/12

11:55-18:30

1 stop11h 35m

£506

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LGW London Gatwick

IADLGW

Washington, D.C. Dulles Intl

Tue 17/11

19:40-10:55

1 stop10h 15m

London Gatwick

Fri 27/11

11:55-18:30

1 stop11h 35m

£506

BaltimoreLondon

BWI Baltimore/Washington - LGW London Gatwick

BWILGW

Baltimore/Washington

Sun 18/10

20:30-14:40

1 stop13h 10m

London Gatwick

Sun 1/11

11:55-18:40

1 stop11h 45m

£507

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LTN London Luton

IADLTN

Washington, D.C. Dulles Intl

Tue 3/11

19:40-15:05

1 stop14h 25m

London Luton

Sun 8/11

06:00-18:30

1 stop17h 30m

£508

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LTN London Luton

IADLTN

Washington, D.C. Dulles Intl

Thu 12/11

19:40-16:15

2 stops15h 35m

London Luton

Mon 16/11

07:20-18:30

2 stops16h 10m

£512

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Thu 12/11

20:30-16:25

2 stops14h 55m

London Heathrow

Sun 22/11

19:30-17:15

1 stop26h 45m

£515

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Thu 22/10

20:20-17:40

1 stop16h 20m

London Heathrow

Fri 30/10

19:50-19:50

2 stops28h 00m

£515

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LTN London Luton

IADLTN

Washington, D.C. Dulles Intl

Thu 3/12

19:40-13:00

1 stop12h 20m

London Luton

Mon 7/12

08:00-18:30

1 stop15h 30m

£515

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Thu 15/10

20:20-19:55

2 stops18h 35m

London Heathrow

Mon 26/10

07:05-18:15

2 stops15h 10m

£520

Flights are sorted by cheapest return flights first.

Deals found on 19/8

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

WAS-LON

BWI-LHR

BWI-LGW

BWI-LTN

IAD-LHR

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to London

WAS-LON

BWI-LHR

BWI-LGW

BWI-LTN

IAD-LHR

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to London (average of £487). Flying from Washington, D.C. to London in June is currently the most expensive (average of £927). 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.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. to London as you normally would.

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

The most flights from WAS to LON are scheduled on a Wednesday (29 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (24 on average).

How much does it cost for a return flight from Washington, D.C. to London?

Airfare is below average for this route at the moment.

Washington, D.C. to London flights typically cost between £510 and £744 in October.
The cheapest return price found within the last 5 days was £454 on Multiple Airlines (16 Oct–28 Oct).

What’s the top stopover airport for flights from Washington, D.C. to London?

Dublin (DUB) – chosen by Cheapflights users on 47% of one-stop itineraries from Washington, D.C. to London on Cheapflights.

What’s the cheapest stopover airport for flights from Washington, D.C. to London?

Reykjavik (KEF) is the most affordable one-stop option, with an average return flight price of £352.

What’s the fastest stopover option from Washington, D.C. to London?

Flights via New York (JFK) have the shortest average one-way travel time for one-stop routes: 9h 35m.

Which airport typically offers the quickest stopover for flights from Washington, D.C. to London?

Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average stopover time of 1h 20m.

How often are flights from Washington, D.C. to London delayed?

About 18% of weekly flights between Washington, D.C. and London have experienced delays in the past year, with the average delay time being 175 minutes.

What is the most punctual flight time for Washington, D.C. to London flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Washington, D.C. to London flights?

Over the past year, Virgin Atlantic have had the lowest number of delays on this route, with just 13% of flights being delayed.

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

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.

Reviews of airlines servicing London

Read reviews from past customers who have flown with KLM,United Airlines, andVirgin Atlantic from Washington, D.C. to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,565 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

KLM

7.8

Good

1,565 reviews

KLM

7.8

Good

1,565 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

United Airlines

7.4

Good

10,116 reviews

KLM

7.8

Good

1,565 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Virgin Atlantic

7.4

Good

695 reviews

KLM

7.8

Good

1,565 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

TAP AIR PORTUGAL

7.2

Good

2,373 reviews

KLM

7.8

Good

1,565 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

British Airways

6.7

Okay

8,188 reviews

KLM

7.8

Good

1,565 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Related info for your journey

How long is the flight from Washington, D.C. to London?
Departing from Washington, D.C. to London will take you 10h 15m. The distance between Washington, D.C. and London is about 3683 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from Washington, D.C. to London round-trip?
British Airways, at £436, was found to be the cheapest airline from Washington, D.C. to London.Alternate airlines flying return to your destination include Virgin Atlantic and Icelandair. These flights start at 29% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Washington, D.C. to London one-way?
The cheapest airline one-way is Virgin Atlantic, with whom users have recently found tickets for as low as £210. However, be on the lookout for offers from British Airways and United Airlines, as they are both options that can get you from Washington, D.C. to London for a low price.
What are the most popular routes from Washington, D.C. to London?
The most popular route from Washington, D.C. to London is Washington, D.C. Dulles Intl - London Heathrow. You may also consider Baltimore/Washington - London Heathrow or Washington, D.C. Reagan-National - London Heathrow.
What are the most reliable airlines from Washington, D.C. to London?
Before booking your flight to London from Washington, D.C., check out the most reliable airlines to get you to your destination on time: Aer Lingus (69%), Iberia (69%), KLM( 68%).
What are the cheapest flights from Washington, D.C. to London?
Looking at all options, your cheapest flight can be booked for £223. While the most popular route (Washington, D.C. Dulles Intl - London Heathrow) can be booked for £398 on average, our data indicates £595 when flying from Washington, D.C. to London.
Can I find deals for flights from Washington, D.C. to London that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to London?
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.
Can I find deals for business class 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.
What is the cheapest month to book a flight from Washington, D.C. to London?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to London (average of £487). Flying from Washington, D.C. to London in June is currently the most expensive (average of £927). 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.

See more FAQs

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Top 5 airlines flying from Washington, D.C. to London

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£387	Average£627	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£423	Average£591	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£443	Average£582	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
United Airlines	Cheapest£485	Average£710	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Delta	Cheapest£584	Average£948	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights

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Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Washington, D.C. to London. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Washington, D.C. to London.

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

Certainly. Search results for flights to London from Washington, D.C. shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Washington, D.C. today and book when prices fit your budget.

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Cheap flights from Washington, D.C. to London from £168

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 21/10. Fares are subject to change and may not be available on all flights or dates of travel.

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

Cheapest flights from Washington, D.C. to LondonExplore 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 24 August 2026.

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 24 August 2026.

Best flights from Washington, D.C. to LondonDiscover carefully curated flight deals from Washington, D.C. to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 August 2026.

Discover carefully curated flight deals from Washington, D.C. to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 August 2026.

Direct flights from Washington, D.C. to LondonExplore direct flight options from Washington, D.C. to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 24 August 2026.

Explore direct flight options from Washington, D.C. to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 24 August 2026.

Last-minute flights from Washington, D.C. to LondonDiscover last-minute flight deals from Washington, D.C. to London. Data last updated 24 August 2026 and is based on user searches.

Discover last-minute flight deals from Washington, D.C. to London. Data last updated 24 August 2026 and is based on user searches.

One-way flights from Washington, D.C. to LondonSearch for one-way flight options from Washington, D.C. to London. Find affordable one-way fares based on user searches. Data last updated 24 August 2026.

Search for one-way flight options from Washington, D.C. to London. Find affordable one-way fares based on user searches. Data last updated 24 August 2026.

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

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.

Cheapflights Insights

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

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

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 24 August 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. to London as you normally would.

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

The most flights from WAS to LON are scheduled on a Wednesday (29 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (24 on average).

How much does it cost for a return flight from Washington, D.C. to London?

Airfare is below average for this route at the moment.

Washington, D.C. to London flights typically cost between £510 and £744 in October.The cheapest return price found within the last 5 days was £454 on Multiple Airlines (16 Oct–28 Oct).

What’s the top stopover airport for flights from Washington, D.C. to London?

Share of one-stop return flights from Washington, D.C. to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Dublin (DUB) – chosen by Cheapflights users on 47% of one-stop itineraries from Washington, D.C. to London on Cheapflights.

What’s the cheapest stopover airport for flights from Washington, D.C. to London?

Average return fare for one-stop flights from Washington, D.C. to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Reykjavik (KEF) is the most affordable one-stop option, with an average return flight price of £352.

What’s the fastest stopover option from Washington, D.C. to London?

Shortest average travel time for one-stop one-way flights from Washington, D.C. to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via New York (JFK) have the shortest average one-way travel time for one-stop routes: 9h 35m.

Which airport typically offers the quickest stopover for flights from Washington, D.C. to London?

Average stopover duration for one-stop one-way flights from Washington, D.C. to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average stopover time of 1h 20m.

How often are flights from Washington, D.C. to London delayed?

About 18% of weekly flights between Washington, D.C. and London have experienced delays in the past year, with the average delay time being 175 minutes.

What is the most punctual flight time for Washington, D.C. to London flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Washington, D.C. to London flights?

Over the past year, Virgin Atlantic have had the lowest number of delays on this route, with just 13% of flights being delayed.

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

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.

Reviews of airlines servicing London

Read reviews from past customers who have flown with KLM,United Airlines, andVirgin Atlantic from Washington, D.C. to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Washington, D.C. to London?

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

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

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?

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?

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

Travelling to a place near London?

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Alternative routes for Washington, D.C. to London

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Complete your trip

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Direct flights to England

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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 24 August 2026.

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 stopovers in mind to ensure you get the best travel experience. Data last updated 24 August 2026.

Direct flights from Washington, D.C. to London
Explore direct flight options from Washington, D.C. to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 24 August 2026.

Last-minute flights from Washington, D.C. to London
Discover last-minute flight deals from Washington, D.C. to London. Data last updated 24 August 2026 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 24 August 2026.

Washington, D.C. to London flights typically cost between £510 and £744 in October.
The cheapest return price found within the last 5 days was £454 on Multiple Airlines (16 Oct–28 Oct).