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 3641 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?

Icelandair, at £366, was found to be the cheapest airline from Washington, D.C. to London.Alternate airlines flying return to your destination include Virgin Atlantic and British Airways. These flights start at 40% 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 £225. However, be on the lookout for offers from JetBlue and British Airways, 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 £262. While the most popular route (Washington, D.C. Dulles Intl - London Heathrow) can be booked for £449 on average, our data indicates £589 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: Finnair (79%), KLM (71%), Air France( 71%).

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, United Airlines or Virgin Atlantic.

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.

£155+ 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 39 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 13 August 2026.

Thu 5/1119:40 -

2 stops21h 15m

Mon 9/1106:45 -

2 stops16h 45m

Deal found 10/8£460

Sun 11/1020:20 -

2 stops17h 55m

Sun 18/1017:20 -

3 stops28h 40m

Deal found 11/8£460

Sat 31/1018:25 -

1 stop14h 15m

Fri 13/1112:25 -

1 stop13h 10m

Deal found 10/8£460

Tue 22/922:35 -

1 stop15h 15m

Tue 29/906:00 -

1 stop14h 10m

Deal found 10/8£461

Thu 29/1018:25 -

1 stop13h 00m

Mon 9/1106:00 -

1 stop14h 15m

Deal found 10/8£462

Mon 21/922:35 -

1 stop15h 15m

Tue 29/906:00 -

1 stop14h 10m

Deal found 10/8£463

Mon 12/1020:20 -

2 stops21h 05m

Sun 18/1018:55 -

2 stops27h 05m

Deal found 8/8£463

Mon 21/917:40 -

1 stop11h 40m

Fri 16/1006:00 -

1 stop13h 25m

Deal found 9/8£463

Mon 21/917:40 -

1 stop11h 40m

Mon 5/1006:00 -

1 stop14h 10m

Deal found 8/8£464

Fri 30/1020:40 -

2 stops22h 35m

Tue 3/1108:15 -

2 stops15h 15m

Deal found 8/8£465

Wed 11/1122:30 -

1 stop11h 35m

Mon 16/1116:35 -

1 stop27h 10m

Deal found 10/8£465

Mon 5/1017:40 -

2 stops15h 25m

Tue 13/1013:40 -

2 stops30h 30m

Deal found 11/8£465

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 13 August 2026.

Thu 19/1119:40 -

2 stops20h 25m

Thu 26/1108:20 -

2 stops15h 20m

Deal found 8/8£505

Sun 29/1119:40 -

1 stop10h 15m

Mon 12/415:40 -

1 stop32h 45m

Deal found 8/8£542

Wed 7/1022:35 -

2 stops16h 55m

Tue 13/1016:25 -

1 stop27h 45m

Deal found 12/8£549

Sat 24/1020:20 -

1 stop17h 20m

Fri 30/1019:50 -

2 stops28h 00m

Deal found 12/8£566

Sun 27/921:40 -

1 stop38h 00m

Tue 6/1017:35 -

1 stop22h 55m

Deal found 8/8£632

Wed 30/910:15 -

2 stops18h 10m

Wed 7/1017:00 -

2 stops23h 50m

Deal found 10/8£649

Mon 23/1118:55 -

Nonstop7h 10m

Fri 16/416:25 -

Nonstop8h 15m

Deal found 8/8£656

Wed 23/915:25 -

1 stop12h 15m

Wed 30/909:15 -

1 stop11h 50m

Deal found 8/8£668

Wed 4/1118:55 -

Nonstop7h 25m

Sun 8/1108:40 -

1 stop12h 05m

Deal found 12/8£668

Sat 5/1217:11 -

1 stop31h 44m

Sun 13/1213:00 -

2 stops36h 57m

Deal found 11/8£685

Sun 18/1006:30 -

1 stop9h 15m

Sun 6/1212:20 -

1 stop15h 32m

Deal found 10/8£686

Thu 10/922:05 -

Nonstop7h 35m

Tue 15/908:40 -

1 stop11h 55m

Deal found 11/8£720

Wed 4/1122:30 -

1 stop11h 35m

Mon 9/1121:35 -

2 stops22h 10m

Deal found 11/8£573

Thu 5/1120:30 -

1 stop14h 30m

Sun 8/1119:50 -

2 stops26h 25m

Deal found 8/8£580

Wed 11/1119:40 -

1 stop12h 20m

Sun 15/1106:00 -

1 stop17h 40m

Deal found 12/8£594

Mon 5/1020:30 -

1 stop13h 10m

Fri 23/1015:40 -

1 stop32h 45m

Deal found 12/8£603

Wed 9/922:35 -

2 stops31h 45m

Wed 16/916:25 -

1 stop27h 45m

Deal found 12/8£594

Wed 30/911:10 -

2 stops15h 45m

Wed 7/1017:10 -

1 stop27h 25m

Deal found 8/8£655

Fri 22/119:40 -

1 stop13h 15m

Mon 25/108:00 -

1 stop15h 30m

Deal found 12/8£597

Tue 6/1013:15 -

1 stop22h 35m

Mon 19/1010:50 -

1 stop29h 40m

Deal found 10/8£662

Tue 29/915:25 -

1 stop12h 15m

Wed 7/1009:15 -

1 stop11h 50m

Deal found 8/8£668

Tue 15/912:25 -

2 stops21h 10m

Wed 21/1019:50 -

2 stops26h 10m

Deal found 9/8£609

Wed 4/1111:02 -

2 stops15h 43m

Sun 8/1106:30 -

2 stops15h 57m

Deal found 9/8£682

Sun 11/1017:48 -

1 stop10h 37m

Mon 19/1016:25 -

Nonstop8h 15m

Deal found 10/8£692

Thu 8/1023:20 -

1 stop10h 20m

Wed 21/1015:40 -

1 stop32h 45m

Deal found 10/8£644

Wed 28/1018:32 -

2 stops18h 03m

Wed 4/1108:40 -

1 stop12h 15m

Deal found 10/8£655

Tue 24/1110:09 -

1 stop14h 46m

Fri 16/410:25 -

2 stops15h 32m

Deal found 8/8£725

Sat 3/1021:40 -

1 stop31h 15m

Wed 14/1017:45 -

1 stop22h 45m

Deal found 11/8£663

Wed 16/922:05 -

Nonstop7h 35m

Fri 25/908:40 -

1 stop11h 55m

Deal found 11/8£683

Wed 2/906:10 -

1 stop9h 35m

Wed 9/908:40 -

1 stop11h 06m

Deal found 12/8£758

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

Round-trip from	£460
One-way from	£155
Popular in	June
Cheapest in	January
Average price	£639
Good round-trip deal	£717 or less
Good one-way deal	£336 or less

5/11-9/11
4 total stops
38h 00m total
Washington, D.C. to London

Search Deals

20/10
1 total stop
18h 37m total
Washington, D.C. to London

Search Deals

Highest demand for flights based on searches. 20% potential increase in price (£120 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£21 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 19/11

19:40-21:05

2 stops20h 25m

London Luton

Thu 26/11

08:20-18:40

2 stops15h 20m

£505

BaltimoreLondon

BWI Baltimore/Washington - LGW London Gatwick

BWILGW

Baltimore/Washington

Sun 29/11

19:40-10:55

1 stop10h 15m

London Gatwick

Mon 12/4

15:40-19:25

1 stop32h 45m

£542

Washington, D.C.London

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

IADLGW

Washington, D.C. Dulles Intl

Wed 7/10

22:35-20:30

2 stops16h 55m

London Gatwick

Tue 13/10

16:25-15:10

1 stop27h 45m

£549

Washington, D.C.London

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

IADLHR

Washington, D.C. Dulles Intl

Sat 24/10

20:20-18:40

1 stop17h 20m

London Heathrow

Fri 30/10

19:50-19:50

2 stops28h 00m

£566

Washington, D.C.London

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

IADLGW

Washington, D.C. Dulles Intl

Wed 4/11

22:30-15:05

1 stop11h 35m

London Gatwick

Mon 9/11

21:35-14:45

2 stops22h 10m

£573

Washington, D.C.London

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

IADLHR

Washington, D.C. Dulles Intl

Thu 5/11

20:30-16:00

1 stop14h 30m

London Heathrow

Sun 8/11

19:50-17:15

2 stops26h 25m

£580

Washington, D.C.London

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

IADLGW

Washington, D.C. Dulles Intl

Wed 9/9

22:35-11:20

2 stops31h 45m

London Gatwick

Wed 16/9

16:25-15:10

1 stop27h 45m

£594

BaltimoreLondon

BWI Baltimore/Washington - LTN London Luton

BWILTN

Baltimore/Washington

Wed 11/11

19:40-13:00

1 stop12h 20m

London Luton

Sun 15/11

06:00-18:40

1 stop17h 40m

£594

Washington, D.C.London

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

IADLTN

Washington, D.C. Dulles Intl

Fri 22/1

19:40-13:55

1 stop13h 15m

London Luton

Mon 25/1

08:00-18:30

1 stop15h 30m

£597

BaltimoreLondon

BWI Baltimore/Washington - LGW London Gatwick

BWILGW

Baltimore/Washington

Mon 5/10

20:30-14:40

1 stop13h 10m

London Gatwick

Fri 23/10

15:40-19:25

1 stop32h 45m

£603

Flights are sorted by cheapest return flights first.

Deals found on 10/8

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-LGW

BWI-LHR

IAD-LHR

DCA-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-LGW

BWI-LHR

IAD-LHR

DCA-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 £493). Flying from Washington, D.C. to London in June is currently the most expensive (average of £934). 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 Tuesday (30 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (22 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 £521 and £744 in November.
The cheapest return price found within the last 5 days was £460 on Multiple Airlines (5 Nov–9 Nov).

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

Dublin (DUB) – chosen by Cheapflights users on 48% 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 £356.

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

Flights via Dublin (DUB) have the shortest average one-way travel time for one-stop routes: 9h 42m.

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 183 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?

Saturday 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,Virgin Atlantic, andUnited Airlines 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

1,557 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

KLM

7.8

Good

1,557 reviews

KLM

7.8

Good

1,557 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Virgin Atlantic

7.5

Good

694 reviews

KLM

7.8

Good

1,557 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

United Airlines

7.4

Good

10,113 reviews

KLM

7.8

Good

1,557 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

TAP AIR PORTUGAL

7.2

Good

2,367 reviews

KLM

7.8

Good

1,557 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

British Airways

6.7

Okay

8,162 reviews

KLM

7.8

Good

1,557 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 3641 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?
Icelandair, at £366, was found to be the cheapest airline from Washington, D.C. to London.Alternate airlines flying return to your destination include Virgin Atlantic and British Airways. These flights start at 40% 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 £225. However, be on the lookout for offers from JetBlue and British Airways, 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: Finnair (79%), KLM (71%), Air France( 71%).
What are the cheapest flights from Washington, D.C. to London?
Looking at all options, your cheapest flight can be booked for £262. While the most popular route (Washington, D.C. Dulles Intl - London Heathrow) can be booked for £449 on average, our data indicates £589 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 £493). Flying from Washington, D.C. to London in June is currently the most expensive (average of £934). 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£185	Average£611	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Virgin Atlantic	Cheapest£423	Average£588	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£426	Average£587	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£490	Average£718	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Delta	Cheapest£590	Average£957	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 £155

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 20/10. 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 13 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 13 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 13 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 13 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 13 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 13 August 2026.

Last-minute flights from Washington, D.C. to LondonDiscover last-minute flight deals from Washington, D.C. to London. Data last updated 13 August 2026 and is based on user searches.

Discover last-minute flight deals from Washington, D.C. to London. Data last updated 13 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 13 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 13 August 2026.

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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 13 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 Tuesday (30 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (22 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 £521 and £744 in November.The cheapest return price found within the last 5 days was £460 on Multiple Airlines (5 Nov–9 Nov).

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 48% 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 £356.

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 Dublin (DUB) have the shortest average one-way travel time for one-stop routes: 9h 42m.

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 183 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?

Saturday 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,Virgin Atlantic, andUnited Airlines 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?

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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?

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Alternative routes for Washington, D.C. to London

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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 13 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 13 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 13 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 13 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 13 August 2026.

Washington, D.C. to London flights typically cost between £521 and £744 in November.
The cheapest return price found within the last 5 days was £460 on Multiple Airlines (5 Nov–9 Nov).