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

For as low as £486, TAP AIR PORTUGAL can have you in Washington, D.C. from United Kingdom in 10h 55m. 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?

£334 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on JetBlue and Finnair, with prices starting from £351 and £360, 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 £992, our data shows the cheapest flight currently is £365. When looking at the most popular route, (London Heathrow - Washington, D.C. Dulles Intl), you can expect to pay £343 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 (75%), Austrian Airlines (75%) and Copa Airlines (75%).

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 British Airways, Virgin Atlantic 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.

£271+ 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 9 November 2026.

Fri 25/1212:15 -

1 stop11h 15m

Sat 30/119:40 -

1 stop10h 10m

Deal found 7/11£405

Wed 16/1216:20 -

Nonstop8h 55m

Fri 23/406:00 -

1 stop10h 25m

Deal found 7/11£406

Tue 8/1220:35 -

1 stop26h 55m

Wed 23/1219:40 -

1 stop18h 50m

Deal found 6/11£406

Thu 24/1215:05 -

2 stops32h 25m

Thu 31/1219:40 -

2 stops23h 19m

Deal found 9/11£408

Sun 13/1220:35 -

1 stop26h 55m

Tue 5/119:40 -

1 stop18h 50m

Deal found 6/11£409

Thu 3/1212:00 -

1 stop14h 57m

Tue 8/1213:25 -

1 stop14h 45m

Deal found 5/11£409

Sun 13/1220:35 -

1 stop26h 55m

Fri 8/119:40 -

1 stop18h 50m

Deal found 5/11£410

Wed 11/1118:30 -

1 stop25h 45m

Mon 11/117:25 -

1 stop23h 10m

Deal found 8/11£411

Thu 12/1106:00 -

1 stop14h 15m

Mon 16/1117:25 -

1 stop23h 10m

Deal found 5/11£412

Thu 10/1212:15 -

1 stop11h 15m

Wed 6/119:40 -

1 stop10h 10m

Deal found 6/11£412

Wed 18/1118:30 -

1 stop25h 45m

Tue 1/1217:25 -

1 stop24h 15m

Deal found 9/11£414

Wed 18/1116:35 -

1 stop27h 40m

Sun 29/1122:30 -

1 stop12h 15m

Deal found 6/11£416

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 9 November 2026.

Thu 19/1106:00 -

1 stop14h 15m

Sat 28/1117:25 -

1 stop23h 10m

Deal found 6/11£438

Mon 19/409:50 -

1 stop10h 55m

Tue 4/522:25 -

Nonstop7h 25m

Deal found 5/11£486

Sun 24/110:10 -

1 stop11h 58m

Thu 18/211:10 -

1 stop14h 10m

Deal found 9/11£492

Sat 12/1212:05 -

1 stop33h 55m

Sun 18/418:25 -

Nonstop7h 30m

Deal found 9/11£513

Sat 26/1208:40 -

1 stop12h 15m

Sun 10/118:40 -

1 stop10h 50m

Deal found 5/11£545

Sat 12/1206:40 -

2 stops17h 10m

Sun 18/420:05 -

2 stops15h 20m

Deal found 9/11£552

Fri 4/1210:00 -

2 stops16h 30m

Mon 7/1212:35 -

2 stops22h 10m

Deal found 6/11£553

Sat 12/1220:55 -

1 stop23h 45m

Thu 14/118:15 -

1 stop17h 35m

Deal found 5/11£582

Sat 3/413:05 -

1 stop11h 15m

Tue 27/420:30 -

1 stop10h 10m

Deal found 8/11£609

Thu 24/1206:00 -

1 stop14h 45m

Thu 31/1218:15 -

1 stop17h 30m

Deal found 8/11£641

Wed 25/1118:30 -

1 stop25h 45m

Wed 2/1222:30 -

1 stop18h 05m

Deal found 8/11£451

Mon 15/216:35 -

1 stop27h 05m

Tue 23/217:25 -

2 stops35h 00m

Deal found 8/11£458

Fri 4/1209:00 -

1 stop13h 00m

Fri 11/1217:46 -

1 stop11h 39m

Deal found 5/11£517

Thu 15/417:10 -

Nonstop8h 30m

Thu 1/722:35 -

Nonstop7h 25m

Deal found 6/11£526

Wed 20/114:15 -

1 stop12h 38m

Wed 27/117:38 -

1 stop9h 12m

Deal found 9/11£534

Tue 2/216:15 -

2 stops31h 15m

Tue 16/219:40 -

2 stops15h 05m

Deal found 8/11£559

Thu 24/1206:00 -

2 stops21h 56m

Fri 8/118:40 -

1 stop10h 05m

Deal found 6/11£585

Thu 24/1206:30 -

1 stop14h 15m

Thu 31/1220:45 -

Nonstop7h 25m

Deal found 8/11£534

Thu 24/1216:20 -

Nonstop8h 55m

Wed 3/217:25 -

1 stop14h 35m

Deal found 8/11£540

Sat 21/1110:10 -

1 stop13h 40m

Sat 5/1220:30 -

1 stop32h 00m

Deal found 9/11£599

Mon 14/1210:35 -

1 stop11h 16m

Fri 11/606:00 -

1 stop10h 00m

Deal found 7/11£551

Fri 2/410:40 -

1 stop14h 55m

Tue 6/416:40 -

1 stop12h 10m

Deal found 9/11£505

Sat 3/413:05 -

1 stop11h 15m

Mon 5/420:30 -

1 stop10h 10m

Deal found 5/11£615

Thu 24/1206:00 -

1 stop14h 45m

Fri 8/118:40 -

1 stop10h 05m

Deal found 4/11£578

Wed 31/309:40 -

1 stop14h 32m

Thu 8/410:35 -

1 stop15h 10m

Deal found 8/11£537

Fri 11/1211:40 -

1 stop12h 33m

Mon 14/1216:48 -

1 stop9h 12m

Deal found 5/11£552

Wed 13/111:35 -

1 stop11h 55m

Thu 21/119:40 -

1 stop9h 15m

Deal found 6/11£616

Wed 3/210:40 -

1 stop14h 50m

Sat 6/217:25 -

2 stops22h 15m

Deal found 5/11£514

Sat 21/1113:25 -

2 stops16h 16m

Mon 30/1117:16 -

2 stops14h 29m

Deal found 7/11£700

Sat 21/1110:10 -

1 stop13h 40m

Mon 30/1120:30 -

2 stops32h 15m

Deal found 7/11£642

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

Round-trip from	£405
One-way from	£271
Popular in	June
Cheapest in	February
Average price	£503
Good round-trip deal	£534 or less
Good one-way deal	£426 or less

Icelandair
25/12-30/1
2 total stops
21h 25m total
United Kingdom to Washington, D.C.

Search Deals

12/1-31/12
2 total stops
39h 35m 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 November 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

EdinburghWashington, D.C.

EDI Edinburgh Turnhouse - IAD Washington, D.C. Dulles Intl

EDIIAD

Edinburgh Turnhouse

Tue 15/12

06:20-20:30

3 stops43h 10m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£298

GlasgowWashington, D.C.

GLA Glasgow Intl - IAD Washington, D.C. Dulles Intl

GLAIAD

Glasgow Intl

Wed 2/12

21:00-19:05

3 stops51h 05m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£314

EdinburghWashington, D.C.

EDI Edinburgh Turnhouse - IAD Washington, D.C. Dulles Intl

EDIIAD

Edinburgh Turnhouse

Sun 11/4

07:10-19:00

2 stops16h 50m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£324

GlasgowWashington, D.C.

GLA Glasgow Intl - IAD Washington, D.C. Dulles Intl

GLAIAD

Glasgow Intl

Thu 24/12

09:50-21:00

2 stops40h 10m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£324

Newcastle upon TyneWashington, D.C.

NCL Newcastle upon Tyne - IAD Washington, D.C. Dulles Intl

NCLIAD

Newcastle upon Tyne

Mon 23/11

07:10-14:40

2 stops36h 30m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£327

ManchesterWashington, D.C.

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

MANIAD

Manchester

Mon 3/5

06:00-19:00

2 stops18h 00m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£333

Newcastle upon TyneWashington, D.C.

NCL Newcastle upon Tyne - IAD Washington, D.C. Dulles Intl

NCLIAD

Newcastle upon Tyne

Mon 29/3

17:50-15:10

2 stops26h 20m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£345

LondonWashington, D.C.

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

LGWIAD

London Gatwick

Mon 7/12

16:35-14:40

1 stop27h 05m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£390

ManchesterWashington, D.C.

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

MANIAD

Manchester

Thu 19/11

17:05-19:05

1 stop31h 00m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£397

LondonWashington, D.C.

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

LGWIAD

London Gatwick

Thu 21/1

10:10-20:30

2 stops39h 20m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£406

Flights are sorted by cheapest return flights first.

Deals found on 4/11

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.

EDI-IAD

LGW-IAD

MAN-IAD

LHR-DCA

LHR-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

EDI-IAD

LGW-IAD

MAN-IAD

LHR-DCA

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 £492). Flying from United Kingdom to Washington, D.C. in May is currently the most expensive (average of £604). 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 Sunday (27 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (19 on average).

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

About 16% of weekly flights between United Kingdom and Washington, D.C. have experienced delays in the past year, with the average delay time being 140 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening 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 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 47 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

7.5

Good

698 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

7.5

Good

698 reviews

Virgin Atlantic

7.5

Good

698 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

1,883 reviews

Virgin Atlantic

7.5

Good

698 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

767 reviews

Virgin Atlantic

7.5

Good

698 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

8,292 reviews

Virgin Atlantic

7.5

Good

698 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

8,286 reviews

Virgin Atlantic

7.5

Good

698 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 £486, TAP AIR PORTUGAL can have you in Washington, D.C. from United Kingdom in 10h 55m. 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?
£334 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on JetBlue and Finnair, with prices starting from £351 and £360, 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 (75%), Austrian Airlines (75%) and Copa Airlines (75%).
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 £992, our data shows the cheapest flight currently is £365. When looking at the most popular route, (London Heathrow - Washington, D.C. Dulles Intl), you can expect to pay £343 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 £492). Flying from United Kingdom to Washington, D.C. in May is currently the most expensive (average of £604). 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

Heathrow to Reagan-National flights

London City to Dulles Intl flights

Stansted to Dulles Intl flights

Luton to Dulles Intl flights

Gatwick to Reagan-National flights

London City to Reagan-National flights

Manchester to Dulles Intl flights

Edinburgh to Dulles Intl flights

Birmingham to Dulles Intl flights

Manchester to Reagan-National flights

Birmingham to Reagan-National flights

Glasgow Intl to Dulles Intl flights

Edinburgh to Reagan-National flights

Glasgow Intl to Reagan-National flights

Southend to Dulles Intl flights

Belfast Intl to Dulles Intl flights

Southampton to Dulles Intl flights

Newcastle upon Tyne to Reagan-National flights

Newcastle upon Tyne to Dulles Intl flights

Bristol to Dulles Intl flights

Leeds to Dulles Intl flights

Aberdeen to Dulles Intl flights

Bruxelles-National to Dulles Intl flights

Madrid to Dulles Intl flights

Southampton to Reagan-National flights

Leeds to Reagan-National flights

Cardiff to Dulles Intl flights

Exeter to Dulles Intl flights

Bristol to Reagan-National flights

Frankfurt to Dulles Intl flights

Inverness to Reagan-National flights

Cardiff to Reagan-National flights

Aberdeen to Reagan-National flights

Dublin to Dulles Intl flights

Istanbul to Dulles Intl flights

Grimsby to Dulles Intl flights

Inverness to Dulles Intl flights

Amsterdam to Dulles Intl flights

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

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£286	Average£553	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Virgin Atlantic	Cheapest£322	Average£610	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
TAP AIR PORTUGAL	Cheapest£342	Average£548	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
KLM	Cheapest£377	Average£623	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Aer Lingus	Cheapest£407	Average£661	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
United Airlines	Cheapest£408	Average£603	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air France	Cheapest£408	Average£726	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Scandinavian Airlines	Cheapest£410	Average£532	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Lufthansa	Cheapest£412	Average£643	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
British Airways	Cheapest£413	Average£638	FlexibilityNo cancel fee	On-time70%	Search British Airways 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 £271

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/1. 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 9 November 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 9 November 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 9 November 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 9 November 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 9 November 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 9 November 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 9 November 2026 and is based on user searches.

Discover last-minute flight deals from United Kingdom to Washington, D.C.. Data last updated 9 November 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 9 November 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 9 November 2026.

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

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One-way from

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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.

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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 9 November 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 Sunday (27 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (19 on average).

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

About 16% of weekly flights between United Kingdom and Washington, D.C. have experienced delays in the past year, with the average delay time being 140 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening 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 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 47 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.

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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 9 November 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 9 November 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 9 November 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 9 November 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 9 November 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 9 November 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 9 November 2026.