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

Departing from Washington, D.C. to London will take you 11h 35m. 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 £427, 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 34% 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 £213. 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 £181. While the most popular route (Washington, D.C. Dulles Intl - London Heathrow) can be booked for £447 on average, our data indicates £641 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: Air Canada (85%), Austrian Airlines (85%), Iberia( 82%).

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.

£238+ Cheap Flights from Washington, D.C. to London

Cheapflights Tip: The best prices from Washington, D.C. to London are usually found in February or January, booked 74 days in advance, depart on a Tuesday or Sunday 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 5 November 2026.

Mon 16/1119:40 -

1 stop10h 10m

Sun 22/1120:35 -

1 stop26h 55m

Deal found 3/11£499

Sun 6/1222:30 -

1 stop12h 15m

Sun 13/1210:40 -

1 stop14h 55m

Deal found 31/10£500

Mon 23/1119:40 -

1 stop18h 50m

Wed 9/1220:35 -

1 stop26h 55m

Deal found 2/11£501

Tue 24/1119:40 -

2 stops14h 40m

Tue 1/1208:50 -

2 stops14h 40m

Deal found 3/11£502

Mon 23/1119:40 -

1 stop18h 50m

Wed 2/1220:35 -

1 stop26h 55m

Deal found 1/11£502

Sat 5/1217:25 -

1 stop11h 25m

Sat 12/1216:35 -

1 stop33h 00m

Deal found 2/11£503

Tue 17/1119:40 -

1 stop18h 50m

Wed 25/1112:15 -

1 stop11h 15m

Deal found 1/11£503

Tue 24/1119:40 -

2 stops19h 20m

Tue 1/1207:45 -

2 stops15h 45m

Deal found 1/11£503

Wed 25/1119:40 -

1 stop18h 50m

Mon 7/1212:15 -

1 stop11h 15m

Deal found 2/11£503

Mon 16/1117:25 -

2 stops15h 45m

Wed 25/1109:50 -

1 stop15h 50m

Deal found 3/11£504

Mon 30/1117:25 -

2 stops22h 25m

Thu 3/1221:30 -

2 stops26h 35m

Deal found 31/10£504

Wed 25/1119:40 -

1 stop18h 50m

Sun 6/1220:35 -

1 stop26h 55m

Deal found 31/10£505

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 5 November 2026.

Tue 1/1219:40 -

2 stops21h 20m

Tue 8/1207:00 -

2 stops16h 30m

Deal found 3/11£508

Wed 17/323:30 -

1 stop11h 35m

Mon 22/316:35 -

1 stop27h 05m

Deal found 4/11£539

Mon 30/1120:30 -

2 stops14h 55m

Wed 9/1207:05 -

2 stops15h 10m

Deal found 4/11£573

Mon 16/1114:06 -

1 stop11h 49m

Sun 22/1112:20 -

1 stop15h 33m

Deal found 31/10£618

Tue 20/422:35 -

Nonstop7h 25m

Tue 27/409:55 -

1 stop10h 35m

Deal found 4/11£651

Wed 24/319:20 -

Nonstop7h 20m

Mon 29/315:30 -

1 stop29h 25m

Deal found 2/11£672

Wed 27/107:17 -

2 stops20h 43m

Thu 4/210:00 -

1 stop11h 30m

Deal found 31/10£673

Tue 1/1214:58 -

1 stop10h 22m

Tue 8/1212:55 -

1 stop11h 14m

Deal found 4/11£733

Tue 22/1219:40 -

1 stop10h 15m

Mon 28/1211:55 -

1 stop11h 35m

Deal found 3/11£877

Sat 27/217:25 -

1 stop11h 15m

Wed 10/308:40 -

1 stop13h 20m

Deal found 31/10£883

Fri 4/1219:40 -

2 stops19h 45m

Tue 8/1207:00 -

2 stops16h 30m

Deal found 31/10£544

Sat 27/220:30 -

1 stop14h 30m

Mon 8/310:20 -

1 stop11h 55m

Deal found 31/10£580

Tue 8/1217:25 -

1 stop15h 20m

Mon 14/1207:45 -

2 stops16h 20m

Deal found 1/11£549

Sun 6/1211:20 -

1 stop14h 35m

Thu 10/1212:20 -

1 stop15h 32m

Deal found 4/11£619

Mon 30/1117:25 -

2 stops22h 10m

Mon 7/1221:35 -

2 stops22h 05m

Deal found 1/11£621

Fri 8/119:40 -

2 stops13h 25m

Thu 14/106:15 -

2 stops17h 15m

Deal found 3/11£552

Thu 3/1220:30 -

1 stop14h 30m

Sun 6/1206:40 -

2 stops34h 09m

Deal found 1/11£615

Mon 1/313:00 -

1 stop12h 55m

Thu 11/309:20 -

1 stop11h 39m

Deal found 31/10£625

Wed 9/1222:15 -

Nonstop7h 35m

Sun 13/1206:50 -

1 stop12h 40m

Deal found 1/11£693

Wed 21/422:05 -

2 stops41h 20m

Thu 29/414:50 -

1 stop29h 20m

Deal found 3/11£635

Fri 12/319:30 -

Nonstop7h 25m

Mon 22/310:00 -

1 stop10h 55m

Deal found 2/11£722

Mon 11/113:00 -

1 stop12h 53m

Tue 19/109:20 -

1 stop11h 32m

Deal found 2/11£625

Fri 8/118:20 -

Nonstop7h 20m

Tue 12/109:00 -

1 stop13h 00m

Deal found 4/11£702

Mon 16/1118:55 -

Nonstop7h 25m

Sun 22/1108:40 -

1 stop12h 00m

Deal found 2/11£730

Thu 3/1217:25 -

1 stop11h 25m

Fri 11/1221:35 -

2 stops22h 40m

Deal found 4/11£664

Tue 8/1219:40 -

1 stop14h 20m

Sat 12/1207:05 -

1 stop16h 25m

Deal found 3/11£609

Sat 20/315:59 -

1 stop10h 56m

Sat 27/309:20 -

1 stop11h 29m

Deal found 3/11£652

Sat 13/318:20 -

Nonstop7h 20m

Sat 20/309:00 -

1 stop13h 00m

Deal found 1/11£721

Wed 2/1219:40 -

1 stop12h 20m

Sun 6/1206:05 -

1 stop17h 25m

Deal found 5/11£612

Mon 25/117:25 -

2 stops22h 10m

Sat 30/116:35 -

1 stop33h 00m

Deal found 4/11£675

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

Round-trip from	£499
One-way from	£238
Popular in	June
Cheapest in	February
Average price	£642
Good round-trip deal	£802 or less
Good one-way deal	£255 or less

10/1-17/1
2 total stops
31h 00m total
Washington, D.C. to London

Search Deals

JetBlue
19/3-31/12
1 total stop
10h 55m total
Washington, D.C. to London

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£92 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).

Search Deals

Average for round-trip flights in November 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

Washington, D.C.London

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

IADLTN

Washington, D.C. Dulles Intl

Thu 26/11

19:40-23:05

2 stops22h 25m

London Luton

Wed 31/12

00:00-18:00

Nonstop0h 00m

£239

Washington, D.C.London

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

IADLTN

Washington, D.C. Dulles Intl

Wed 27/1

19:40-07:35

2 stops30h 55m

London Luton

Wed 31/12

00:00-18:00

Nonstop0h 00m

£244

Washington, D.C.London

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

IADLHR

Washington, D.C. Dulles Intl

Sun 7/2

22:15-10:50

Nonstop7h 35m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£245

Washington, D.C.London

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

IADLHR

Washington, D.C. Dulles Intl

Fri 12/3

19:40-10:50

1 stop10h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£246

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LHR London Heathrow

DCALHR

Washington, D.C. Reagan-National

Tue 2/2

16:00-21:00

2 stops24h 00m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£247

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LHR London Heathrow

DCALHR

Washington, D.C. Reagan-National

Wed 3/2

13:53-10:30

2 stops15h 37m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£248

Washington, D.C.London

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

IADLGW

Washington, D.C. Dulles Intl

Tue 29/12

19:40-10:55

1 stop10h 15m

London Gatwick

Wed 31/12

00:00-18:00

Nonstop0h 00m

£253

Washington, D.C.London

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

IADLTN

Washington, D.C. Dulles Intl

Wed 30/12

21:44-17:35

2 stops38h 51m

London Luton

Wed 31/12

00:00-18:00

Nonstop0h 00m

£253

Washington, D.C.London

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

IADLTN

Washington, D.C. Dulles Intl

Wed 11/11

22:30-15:05

3 stops35h 35m

London Luton

Wed 31/12

00:00-18:00

Nonstop0h 00m

£258

Washington, D.C.London

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

IADLTN

Washington, D.C. Dulles Intl

Wed 25/11

22:30-15:05

3 stops35h 35m

London Luton

Wed 31/12

00:00-18:00

Nonstop0h 00m

£262

Flights are sorted by cheapest return flights first.

Deals found on 2/11

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

IAD-LHR

IAD-LGW

IAD-LTN

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

IAD-LHR

IAD-LGW

IAD-LTN

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 £504). Flying from Washington, D.C. to London in June is currently the most expensive (average of £943). 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 (27 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 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 £543 and £786 in January.
The cheapest return price found within the last 5 days was £499 on Multiple Airlines (10 Jan–17 Jan).

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

Dublin (DUB) – chosen by Cheapflights users on 51% 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 £545.

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 00m.

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

Flights via New York (JFK) offer the fastest connection on this route, with an average stopover time of 1h 15m.

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

About 17% of weekly flights between Washington, D.C. and London have experienced delays in the past year, with the average delay time being 173 minutes.

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

Historically, flights departing in the early afternoon 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?

Monday tends to have the lowest number of delays on this route, whereas Thursday 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

1,596 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

1,596 reviews

KLM

7.8

Good

1,596 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

7.5

Good

697 reviews

KLM

7.8

Good

1,596 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

7.3

Good

10,458 reviews

KLM

7.8

Good

1,596 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

American Airlines

7.0

Good

12,231 reviews

KLM

7.8

Good

1,596 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

8,282 reviews

KLM

7.8

Good

1,596 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 11h 35m. 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 £427, 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 34% 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 £213. 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: Air Canada (85%), Austrian Airlines (85%), Iberia( 82%).
What are the cheapest flights from Washington, D.C. to London?
Looking at all options, your cheapest flight can be booked for £181. While the most popular route (Washington, D.C. Dulles Intl - London Heathrow) can be booked for £447 on average, our data indicates £641 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 £504). Flying from Washington, D.C. to London in June is currently the most expensive (average of £943). 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.

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

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£231	Average£633	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£427	Average£698	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£461	Average£598	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
United Airlines	Cheapest£491	Average£793	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Delta	Cheapest£592	Average£960	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.

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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 £238

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/3. 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 5 November 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 5 November 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 5 November 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 5 November 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 5 November 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 5 November 2026.

Last-minute flights from Washington, D.C. to LondonDiscover last-minute flight deals from Washington, D.C. to London. Data last updated 5 November 2026 and is based on user searches.

Discover last-minute flight deals from Washington, D.C. to London. Data last updated 5 November 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 5 November 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 5 November 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 5 November 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 (27 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 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 £543 and £786 in January.The cheapest return price found within the last 5 days was £499 on Multiple Airlines (10 Jan–17 Jan).

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 51% 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 £545.

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 00m.

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 New York (JFK) offer the fastest connection on this route, with an average stopover time of 1h 15m.

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

About 17% of weekly flights between Washington, D.C. and London have experienced delays in the past year, with the average delay time being 173 minutes.

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

Historically, flights departing in the early afternoon 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?

Monday tends to have the lowest number of delays on this route, whereas Thursday 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?

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 5 November 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 5 November 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 5 November 2026.

Last-minute flights from Washington, D.C. to London
Discover last-minute flight deals from Washington, D.C. to London. Data last updated 5 November 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 5 November 2026.

Washington, D.C. to London flights typically cost between £543 and £786 in January.
The cheapest return price found within the last 5 days was £499 on Multiple Airlines (10 Jan–17 Jan).