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

For as low as £428, Delta can have you in Washington, D.C. from United Kingdom in 8h 25m. The distance between United Kingdom and Washington, D.C. is about 3664 mi. Both multi-stop and direct flights can be found to your destination and back.

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

£299 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on British Airways and Aer Lingus, with prices starting from £311 and £396, respectively.

In terms of precipitation, rainfall in Washington, D.C. ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. when rainfall is around 66.0 mm.

If weather is an important factor for your trip to Washington, D.C., 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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

When deciding which route to take from United Kingdom to Washington, D.C. consider London Heathrow - Washington, D.C. Dulles Intl, London Heathrow - Baltimore/Washington or London Gatwick - Washington, D.C. Dulles Intl as they are the most popular.

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

While on average a flight from United Kingdom to Washington, D.C. is generally £1,334, our data shows the cheapest flight currently is £332. When looking at the most popular route, (London Heathrow - Washington, D.C. Dulles Intl), you can expect to pay £318 for that flight.

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

The top 3 most reliable airlines when flying from United Kingdom to Washington, D.C. are Air Canada (80%), Austrian Airlines (80%) and Copa Airlines (80%).

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

The most popular airlines flying from United Kingdom to Washington, D.C. are Virgin Atlantic, British Airways and Aer Lingus. Something to consider prior to booking your flight.

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

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

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

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Washington, D.C..

Can I find deals for business class flights from United Kingdom to Washington, D.C.?

Yes. Cheapflights offers flight deals from United Kingdom to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£281+ Cheap Flights from the United Kingdom to Washington, D.C.

Cheap flight deals from United Kingdom to Washington, D.C.

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from United Kingdom to Washington, D.C.
Explore the most affordable flight options available from United Kingdom to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Thu 15/1008:40 -

1 stop11h 55m

Sun 18/1006:05 -

1 stop20h 05m

Deal found 9/9£417

Tue 13/1019:45 -

2 stops26h 25m

Wed 21/1006:05 -

1 stop20h 05m

Deal found 9/9£418

Tue 6/1010:35 -

1 stop14h 00m

Sun 11/1018:15 -

1 stop10h 10m

Deal found 10/9£418

Thu 17/914:10 -

1 stop14h 00m

Sat 3/1018:19 -

1 stop11h 31m

Deal found 9/9£418

Wed 7/1015:50 -

Nonstop8h 25m

Wed 14/1022:05 -

Nonstop7h 35m

Deal found 9/9£418

Mon 5/1011:45 -

2 stops35h 08m

Sun 11/1006:08 -

1 stop19h 12m

Deal found 10/9£418

Wed 7/1006:15 -

1 stop14h 15m

Wed 14/1019:13 -

1 stop14h 12m

Deal found 9/9£419

Sat 10/1011:30 -

2 stops16h 37m

Thu 15/1011:05 -

1 stop14h 15m

Deal found 10/9£419

Thu 1/1006:30 -

1 stop14h 05m

Mon 5/1011:44 -

1 stop20h 21m

Deal found 9/9£420

Fri 25/1206:30 -

2 stops15h 09m

Thu 28/115:55 -

1 stop12h 05m

Deal found 9/9£420

Wed 16/906:15 -

1 stop18h 20m

Tue 20/1006:00 -

1 stop19h 25m

Deal found 9/9£421

Thu 1/1015:50 -

Nonstop8h 25m

Mon 5/1022:05 -

Nonstop7h 35m

Deal found 9/9£421

Best flights from United Kingdom to Washington, D.C.
Discover carefully curated flight deals from United Kingdom to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Fri 25/1206:30 -

2 stops15h 09m

Thu 28/115:55 -

1 stop12h 05m

Deal found 9/9£420

Wed 7/1015:50 -

Nonstop8h 25m

Wed 21/1022:05 -

Nonstop7h 35m

Deal found 5/9£428

Fri 13/1114:00 -

Nonstop8h 40m

Mon 23/1111:25 -

1 stop14h 40m

Deal found 8/9£429

Fri 2/1009:15 -

1 stop11h 52m

Tue 13/1017:10 -

1 stop9h 40m

Deal found 10/9£434

Fri 20/1111:15 -

1 stop27h 03m

Tue 24/1117:14 -

2 stops20h 46m

Deal found 6/9£438

Fri 23/1008:40 -

1 stop13h 05m

Fri 30/1021:10 -

1 stop30h 55m

Deal found 8/9£464

Wed 23/1216:35 -

1 stop27h 40m

Sun 3/122:30 -

2 stops17h 05m

Deal found 5/9£510

Fri 2/1015:40 -

1 stop32h 45m

Tue 6/1023:20 -

1 stop10h 20m

Deal found 9/9£510

Wed 23/917:45 -

1 stop22h 45m

Wed 7/1021:40 -

1 stop38h 00m

Deal found 7/9£686

Thu 4/206:30 -

2 stops15h 00m

Wed 10/216:00 -

1 stop14h 40m

Deal found 9/9£427

Sat 10/1015:50 -

Nonstop8h 25m

Sat 30/118:55 -

Nonstop7h 25m

Deal found 7/9£428

Fri 25/1210:00 -

1 stop11h 30m

Thu 28/118:40 -

1 stop16h 05m

Deal found 9/9£432

Thu 8/1012:30 -

1 stop11h 35m

Thu 15/1016:55 -

1 stop9h 55m

Deal found 9/9£434

Tue 20/1008:40 -

1 stop11h 55m

Sun 1/1121:30 -

1 stop11h 15m

Deal found 9/9£427

Sat 14/1109:30 -

1 stop11h 25m

Wed 18/1112:37 -

2 stops13h 33m

Deal found 5/9£472

Fri 30/1010:00 -

1 stop14h 20m

Tue 3/1112:20 -

2 stops22h 25m

Deal found 10/9£432

Thu 1/1015:50 -

1 stop12h 09m

Mon 5/1017:05 -

1 stop10h 45m

Deal found 9/9£433

Tue 20/1011:30 -

1 stop12h 20m

Thu 29/1018:15 -

1 stop10h 50m

Deal found 7/9£442

Wed 7/1013:50 -

1 stop10h 35m

Sun 11/1020:55 -

1 stop19h 45m

Deal found 5/9£494

Wed 30/915:40 -

1 stop32h 45m

Tue 6/1023:20 -

1 stop10h 20m

Deal found 10/9£511

Wed 2/1210:40 -

1 stop14h 55m

Sun 6/1222:30 -

2 stops41h 05m

Deal found 9/9£514

Mon 21/915:50 -

Nonstop8h 25m

Mon 26/416:00 -

1 stop14h 20m

Deal found 9/9£429

Mon 28/916:20 -

1 stop11h 39m

Tue 13/1018:26 -

1 stop13h 49m

Deal found 6/9£432

Wed 21/1007:30 -

2 stops20h 04m

Sun 25/1013:05 -

1 stop12h 50m

Deal found 9/9£476

Fri 2/1010:00 -

1 stop10h 35m

Sun 4/1017:30 -

1 stop9h 25m

Deal found 9/9£445

Wed 23/915:40 -

1 stop32h 45m

Sun 8/1119:40 -

1 stop10h 15m

Deal found 5/9£515

Wed 30/910:25 -

1 stop14h 10m

Sun 4/1018:15 -

1 stop10h 10m

Deal found 9/9£432

Sun 27/909:00 -

1 stop11h 45m

Sun 4/1020:55 -

1 stop11h 30m

Deal found 8/9£523

Wed 25/1112:40 -

1 stop14h 07m

Tue 1/1214:00 -

1 stop12h 50m

Deal found 8/9£433

Mon 19/1012:05 -

2 stops37h 30m

Sun 25/1023:30 -

1 stop12h 15m

Deal found 9/9£527

Find flight deals from United Kingdom to Washington, D.C.

Round-trip from	£417
One-way from	£281
Popular in	June
Cheapest in	February
Average price	£478
Good round-trip deal	£470 or less
Good one-way deal	£417 or less

Virgin Atlantic
15/10-18/10
2 total stops
32h 00m total
United Kingdom to Washington, D.C.

Search Deals

British Airways
23/12-31/12
Nonstop
8h 15m total
United Kingdom to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£38 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

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

Search Deals

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

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ManchesterWashington, D.C.

MAN Manchester - IAD Washington, D.C. Dulles Intl

MANIAD

Manchester

Wed 2/12

16:50-15:15

2 stops27h 25m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£305

ManchesterWashington, D.C.

MAN Manchester - IAD Washington, D.C. Dulles Intl

MANIAD

Manchester

Mon 30/11

05:55-16:20

2 stops39h 25m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£324

ManchesterWashington, D.C.

MAN Manchester - IAD Washington, D.C. Dulles Intl

MANIAD

Manchester

Tue 27/10

21:35-17:20

3 stops47h 45m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£326

ManchesterWashington, D.C.

MAN Manchester - IAD Washington, D.C. Dulles Intl

MANIAD

Manchester

Wed 30/9

19:00-15:45

3 stops49h 45m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£333

ManchesterWashington, D.C.

MAN Manchester - IAD Washington, D.C. Dulles Intl

MANIAD

Manchester

Wed 18/11

16:35-15:15

3 stops27h 40m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£345

Fastest return journey

LondonBaltimore

LHR London Heathrow - BWI Baltimore/Washington

LHRBWI

London Heathrow

Thu 10/12

13:50-17:05

Nonstop8h 15m

Baltimore/Washington

Wed 31/12

00:00-06:00

Nonstop0h 00m

£354

LondonBaltimore

LHR London Heathrow - BWI Baltimore/Washington

LHRBWI

London Heathrow

Sat 7/11

06:30-16:51

2 stops15h 21m

Baltimore/Washington

Wed 31/12

00:00-06:00

Nonstop0h 00m

£356

LondonBaltimore

LHR London Heathrow - BWI Baltimore/Washington

LHRBWI

London Heathrow

Thu 5/11

11:45-21:35

2 stops14h 50m

Baltimore/Washington

Wed 31/12

00:00-06:00

Nonstop0h 00m

£356

LondonBaltimore

LHR London Heathrow - BWI Baltimore/Washington

LHRBWI

London Heathrow

Sun 8/11

11:45-23:04

2 stops16h 19m

Baltimore/Washington

Wed 31/12

00:00-06:00

Nonstop0h 00m

£357

LondonBaltimore

LHR London Heathrow - BWI Baltimore/Washington

LHRBWI

London Heathrow

Sun 8/11

06:10-21:20

2 stops20h 10m

Baltimore/Washington

Wed 31/12

00:00-06:00

Nonstop0h 00m

£357

Flights are sorted by cheapest return flights first.

Deals found on 8/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from United Kingdom to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from United Kingdom with our price prediction graph.

LHR-IAD

LGW-IAD

LHR-DCA

LHR-BWI

MAN-IAD

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 the United Kingdom to Washington, D.C.

GB0-WAS

LHR-IAD

LGW-IAD

LHR-DCA

LHR-BWI

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

Currently, February is the cheapest month in which you can book a flight from United Kingdom to Washington, D.C. (average of £487). Flying from United Kingdom to Washington, D.C. in May is currently the most expensive (average of £597). 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 GB to WAS?

When flying from United Kingdom to Washington, D.C., the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from United Kingdom to Washington, D.C.

The most flights from GB0 to WAS 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 (22 on average).

How often are flights from the United Kingdom to Washington, D.C. delayed?

About 15% of weekly flights between United Kingdom and Washington, D.C. have experienced delays in the past year, with the average delay time being 141 minutes.

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

Historically, flights departing in the evening 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 the United Kingdom to Washington, D.C. flights?

Over the past year, United Airlines have had the lowest number of delays on this route, with just 10% of flights being delayed.

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

The best time to book flights from United Kingdom to Washington, D.C. is 81 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 Washington, D.C.

Check out reviews from past customers who have flown with Virgin Atlantic,Aer Lingus, andIcelandair from the United Kingdom to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Virgin Atlantic

7.4

Good

694 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Virgin Atlantic

7.4

Good

694 reviews

Virgin Atlantic

7.4

Good

694 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Aer Lingus

7.3

Good

1,755 reviews

Virgin Atlantic

7.4

Good

694 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Icelandair

6.9

Okay

741 reviews

Virgin Atlantic

7.4

Good

694 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Lufthansa

6.8

Okay

8,213 reviews

Virgin Atlantic

7.4

Good

694 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

British Airways

6.7

Okay

8,210 reviews

Virgin Atlantic

7.4

Good

694 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Related info for your journey

How long is the flight from United Kingdom to Washington, D.C.?
For as low as £428, Delta can have you in Washington, D.C. from United Kingdom in 8h 25m. The distance between United Kingdom and Washington, D.C. is about 3664 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from United Kingdom to Washington, D.C. one-way?
£299 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on British Airways and Aer Lingus, with prices starting from £311 and £396, respectively.
What are the most popular routes from United Kingdom to Washington, D.C.?
When deciding which route to take from United Kingdom to Washington, D.C. consider London Heathrow - Washington, D.C. Dulles Intl, London Heathrow - Baltimore/Washington or London Gatwick - Washington, D.C. Dulles Intl as they are the most popular.
What are the most reliable airlines from United Kingdom to Washington, D.C.?
The top 3 most reliable airlines when flying from United Kingdom to Washington, D.C. are Air Canada (80%), Austrian Airlines (80%) and Copa Airlines (80%).
What are the cheapest flights from United Kingdom to Washington, D.C.?
While on average a flight from United Kingdom to Washington, D.C. is generally £1,334, our data shows the cheapest flight currently is £332. When looking at the most popular route, (London Heathrow - Washington, D.C. Dulles Intl), you can expect to pay £318 for that flight.
Can I find deals for flights from United Kingdom to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on United Kingdom to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from United Kingdom to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Washington, D.C..
Can I find deals for business class flights from United Kingdom to Washington, D.C.?
Yes. Cheapflights offers flight deals from United Kingdom to Washington, D.C. 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 United Kingdom to Washington, D.C.?
Currently, February is the cheapest month in which you can book a flight from United Kingdom to Washington, D.C. (average of £487). Flying from United Kingdom to Washington, D.C. in May is currently the most expensive (average of £597). 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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Washington, D.C. flight routes

Alternative routes for United Kingdom to Washington, D.C.

Heathrow to Dulles Intl flights

Gatwick to Dulles Intl flights

Stansted to Dulles Intl flights

London City to Dulles Intl flights

Heathrow to Reagan-National flights

Luton to Dulles Intl flights

Gatwick to Reagan-National flights

Manchester to Dulles Intl flights

Manchester to Reagan-National flights

London City to Reagan-National flights

Edinburgh to Dulles Intl flights

Glasgow Intl to Dulles Intl flights

Glasgow Intl to Reagan-National flights

Edinburgh to Reagan-National flights

Birmingham to Dulles Intl flights

Birmingham to Reagan-National flights

Dublin to Dulles Intl flights

Bristol to Dulles Intl flights

Newcastle upon Tyne to Dulles Intl flights

Newcastle upon Tyne to Reagan-National flights

Leeds to Dulles Intl flights

Southend to Dulles Intl flights

Belfast Intl to Dulles Intl flights

Exeter to Dulles Intl flights

Belfast City to Dulles Intl flights

Leeds to Reagan-National flights

Bristol to Reagan-National flights

Southampton to Dulles Intl flights

Aberdeen to Dulles Intl flights

Frankfurt to Dulles Intl flights

Aberdeen to Reagan-National flights

Inverness to Dulles Intl flights

Bruxelles-National to Dulles Intl flights

Cardiff to Dulles Intl flights

Amsterdam to Dulles Intl flights

Istanbul to Dulles Intl flights

Madrid to Dulles Intl flights

Norwich to Dulles Intl flights

Cardiff to Reagan-National flights

Inverness to Reagan-National flights

Norwich to Reagan-National flights

Top 10 airlines flying from United Kingdom to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£283	Average£541	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Virgin Atlantic	Cheapest£330	Average£635	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
TAP AIR PORTUGAL	Cheapest£369	Average£538	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Aer Lingus	Cheapest£374	Average£651	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
KLM	Cheapest£377	Average£609	FlexibilityNo cancel fee	On-time75%	Search KLM flights
United Airlines	Cheapest£402	Average£572	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Lufthansa	Cheapest£402	Average£637	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
British Airways	Cheapest£402	Average£623	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Air France	Cheapest£404	Average£709	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Scandinavian Airlines	Cheapest£405	Average£513	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights

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How does Cheapflights help users find flights from United Kingdom to Washington, D.C.?

Cheapflights helps you search for flights from United Kingdom to Washington, D.C. via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from United Kingdom to Washington, D.C. for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to Washington, D.C. from United Kingdom? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on United Kingdom to Washington, D.C. flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from the United Kingdom to Washington, D.C. from £281

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from United Kingdom to Washington, D.C.

Cheapest flights from United Kingdom to Washington, D.C.Explore the most affordable flight options available from United Kingdom to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Explore the most affordable flight options available from United Kingdom to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Best flights from United Kingdom to Washington, D.C.Discover carefully curated flight deals from United Kingdom to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Discover carefully curated flight deals from United Kingdom to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Direct flights from United Kingdom to Washington, D.C.Explore direct flight options from United Kingdom to Washington, D.C. based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 September 2026.

Explore direct flight options from United Kingdom to Washington, D.C. based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 September 2026.

Last-minute flights from United Kingdom to Washington, D.C.Discover last-minute flight deals from United Kingdom to Washington, D.C.. Data last updated 10 September 2026 and is based on user searches.

Discover last-minute flight deals from United Kingdom to Washington, D.C.. Data last updated 10 September 2026 and is based on user searches.

One-way flights from United Kingdom to Washington, D.C.Search for one-way flight options from United Kingdom to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Search for one-way flight options from United Kingdom to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Find flight deals from United Kingdom to Washington, D.C.

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 the United Kingdom to Washington, D.C. that are best for you.

Best time to book a flight from United Kingdom to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from United Kingdom with our price prediction graph.

Cheapflights Insights

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

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

Find hourly flight availability from United Kingdom to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 September 2026.

When flying from United Kingdom to Washington, D.C., the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from United Kingdom to Washington, D.C.

The most flights from GB0 to WAS 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 (22 on average).

How often are flights from the United Kingdom to Washington, D.C. delayed?

About 15% of weekly flights between United Kingdom and Washington, D.C. have experienced delays in the past year, with the average delay time being 141 minutes.

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

Historically, flights departing in the evening 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 the United Kingdom to Washington, D.C. flights?

Over the past year, United Airlines have had the lowest number of delays on this route, with just 10% of flights being delayed.

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

The best time to book flights from United Kingdom to Washington, D.C. is 81 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 Washington, D.C.

Related info for your journey

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

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

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

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

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

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

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

Can I find deals for business class flights from United Kingdom to Washington, D.C.?

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

Travelling to a place near Washington, D.C.?

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Alternative routes for United Kingdom to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Washington, D.C. by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

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Search flights from United Kingdom to Washington, D.C. by cabin class

Find flights from United Kingdom to Washington, D.C., based on your preferred cabin class, be it economy, premium economy, business, or first class.

United Kingdom and Washington, D.C. flights

Browse other United Kingdom and Washington, D.C. flight options. Last updated on 10 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

United Kingdom to Washington, D.C. flights

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Other flights to Washington, D.C.

Explore flights to Washington, D.C. departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 10 September 2026.

Top 10 airlines flying from United Kingdom to Washington, D.C.

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Cheapest flights from United Kingdom to Washington, D.C.
Explore the most affordable flight options available from United Kingdom to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Best flights from United Kingdom to Washington, D.C.
Discover carefully curated flight deals from United Kingdom to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Direct flights from United Kingdom to Washington, D.C.
Explore direct flight options from United Kingdom to Washington, D.C. based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 September 2026.

Last-minute flights from United Kingdom to Washington, D.C.
Discover last-minute flight deals from United Kingdom to Washington, D.C.. Data last updated 10 September 2026 and is based on user searches.

One-way flights from United Kingdom to Washington, D.C.
Search for one-way flight options from United Kingdom to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.