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

For as low as £473, Icelandair 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?

£319 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 £355 and £365, 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 Heathrow - Washington, D.C. Reagan-National 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 £999, our data shows the cheapest flight currently is £343. When looking at the most popular route, (London Heathrow - Washington, D.C. Dulles Intl), you can expect to pay £329 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 (79%), Austrian Airlines (79%) and Copa Airlines (79%).

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.

£216+ 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 12 October 2026.

Wed 16/1207:40 -

1 stop13h 53m

Fri 15/122:15 -

Nonstop7h 35m

Deal found 11/10£400

Wed 16/1212:50 -

1 stop14h 07m

Sat 16/109:36 -

1 stop15h 19m

Deal found 11/10£400

Thu 19/1106:00 -

1 stop14h 15m

Sat 5/1217:25 -

1 stop14h 15m

Deal found 9/10£401

Sun 8/1111:10 -

1 stop13h 48m

Sat 14/1112:55 -

1 stop12h 35m

Deal found 11/10£401

Thu 3/1206:40 -

2 stops16h 50m

Mon 7/1219:40 -

2 stops16h 20m

Deal found 11/10£403

Sun 8/1113:00 -

1 stop12h 23m

Sat 14/1116:30 -

1 stop11h 00m

Deal found 11/10£403

Mon 9/1111:55 -

1 stop11h 35m

Sat 21/1119:40 -

1 stop10h 15m

Deal found 7/10£404

Thu 12/1119:55 -

1 stop29h 35m

Thu 26/1117:25 -

1 stop19h 05m

Deal found 10/10£405

Fri 30/1011:55 -

1 stop11h 35m

Thu 5/1119:40 -

1 stop10h 15m

Deal found 8/10£405

Mon 14/1220:35 -

1 stop26h 55m

Tue 22/1219:40 -

1 stop10h 10m

Deal found 8/10£407

Mon 9/1111:55 -

1 stop11h 35m

Sun 15/1119:40 -

1 stop10h 15m

Deal found 7/10£408

Thu 24/1212:00 -

1 stop11h 44m

Tue 5/113:01 -

1 stop13h 54m

Deal found 10/10£408

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 12 October 2026.

Sat 26/1220:35 -

1 stop27h 05m

Thu 7/119:40 -

1 stop10h 10m

Deal found 10/10£465

Sat 7/1108:40 -

1 stop12h 15m

Sat 14/1118:20 -

1 stop11h 10m

Deal found 7/10£472

Wed 11/1110:00 -

1 stop10h 55m

Wed 18/1118:55 -

Nonstop7h 25m

Deal found 11/10£473

Wed 11/1110:00 -

1 stop10h 55m

Wed 18/1112:32 -

1 stop12h 53m

Deal found 11/10£474

Tue 24/1106:00 -

1 stop14h 30m

Sun 29/1120:10 -

1 stop15h 10m

Deal found 8/10£493

Sun 6/1206:00 -

1 stop13h 10m

Mon 14/1217:40 -

1 stop13h 20m

Deal found 9/10£498

Wed 2/1207:30 -

1 stop12h 05m

Sun 6/1218:20 -

Nonstop7h 20m

Deal found 9/10£501

Mon 23/1121:35 -

2 stops22h 05m

Sun 29/1122:30 -

1 stop12h 15m

Deal found 8/10£516

Sun 6/1210:35 -

1 stop11h 22m

Mon 14/1214:53 -

1 stop10h 22m

Deal found 9/10£529

Wed 16/1217:30 -

2 stops28h 45m

Wed 6/120:30 -

2 stops14h 55m

Deal found 7/10£530

Tue 24/1108:10 -

2 stops15h 20m

Tue 1/1219:40 -

2 stops21h 10m

Deal found 10/10£564

Thu 12/1110:00 -

1 stop11h 30m

Thu 26/1111:10 -

2 stops16h 50m

Deal found 10/10£489

Thu 12/1115:50 -

1 stop11h 36m

Thu 26/1117:30 -

1 stop11h 25m

Deal found 11/10£491

Wed 4/1111:35 -

1 stop11h 55m

Thu 12/1119:40 -

1 stop9h 15m

Deal found 7/10£497

Sun 22/1107:30 -

2 stops16h 13m

Sun 29/1120:45 -

2 stops19h 15m

Deal found 8/10£511

Sun 6/1209:55 -

1 stop12h 20m

Mon 14/1218:55 -

Nonstop7h 10m

Deal found 9/10£529

Wed 11/1113:05 -

1 stop14h 21m

Wed 18/1115:30 -

1 stop10h 20m

Deal found 11/10£492

Fri 29/119:15 -

1 stop28h 35m

Mon 1/220:30 -

2 stops34h 45m

Deal found 8/10£542

Thu 19/1113:20 -

Nonstop8h 40m

Tue 1/1218:55 -

Nonstop7h 25m

Deal found 9/10£493

Thu 10/1211:55 -

1 stop11h 35m

Thu 7/119:40 -

1 stop9h 15m

Deal found 9/10£508

Thu 29/1006:00 -

1 stop14h 55m

Tue 3/1118:40 -

1 stop18h 00m

Deal found 8/10£566

Thu 26/1109:25 -

1 stop11h 30m

Thu 3/1217:45 -

1 stop14h 05m

Deal found 7/10£570

Sun 22/1112:05 -

Nonstop8h 35m

Sun 29/1118:20 -

Nonstop7h 20m

Deal found 8/10£525

Thu 12/1114:10 -

1 stop12h 10m

Thu 26/1118:55 -

Nonstop7h 10m

Deal found 10/10£530

Mon 30/1110:40 -

1 stop33h 00m

Fri 4/1222:30 -

1 stop12h 15m

Deal found 7/10£589

Mon 21/1211:45 -

2 stops16h 20m

Sun 10/111:00 -

1 stop14h 20m

Deal found 7/10£494

Wed 11/1110:50 -

1 stop12h 35m

Mon 16/1111:13 -

1 stop14h 07m

Deal found 11/10£498

Sun 15/1106:00 -

1 stop14h 40m

Sun 22/1118:40 -

1 stop10h 05m

Deal found 11/10£567

Sat 12/1211:55 -

1 stop11h 35m

Thu 7/119:40 -

1 stop9h 15m

Deal found 9/10£515

Sun 8/1119:15 -

1 stop27h 00m

Mon 23/1120:30 -

2 stops32h 15m

Deal found 9/10£576

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

Round-trip from	£400
One-way from	£216
Popular in	June
Cheapest in	February
Average price	£517
Good round-trip deal	£449 or less
Good one-way deal	£336 or less

United Airlines
16/12-15/1
1 total stop
21h 28m total
United Kingdom to Washington, D.C.

Search Deals

Icelandair
8/12-31/12
1 total stop
11h 25m total
United Kingdom to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£39 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 October 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

BirminghamWashington, D.C.

BHX Birmingham - IAD Washington, D.C. Dulles Intl

BHXIAD

Birmingham

Fri 30/10

09:50-15:45

3 stops57h 55m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£298

BirminghamWashington, D.C.

BHX Birmingham - IAD Washington, D.C. Dulles Intl

BHXIAD

Birmingham

Thu 29/10

12:25-14:50

3 stops54h 25m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£298

LeedsWashington, D.C.

LBA Leeds/Bradford - IAD Washington, D.C. Dulles Intl

LBAIAD

Leeds/Bradford

Mon 9/11

19:30-14:45

3 stops48h 15m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£310

ManchesterWashington, D.C.

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

MANIAD

Manchester

Fri 11/12

16:55-19:05

2 stops31h 10m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£310

BirminghamWashington, D.C.

BHX Birmingham - IAD Washington, D.C. Dulles Intl

BHXIAD

Birmingham

Sat 31/10

07:40-15:45

3 stops36h 05m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£312

ManchesterBaltimore

MAN Manchester - BWI Baltimore/Washington

MANBWI

Manchester

Tue 10/11

15:55-10:24

3 stops47h 29m

Baltimore/Washington

Wed 31/12

00:00-06:00

Nonstop0h 00m

£314

Fastest return journey

LondonBaltimore

LHR London Heathrow - BWI Baltimore/Washington

LHRBWI

London Heathrow

Tue 8/12

13:50-17:05

Nonstop8h 15m

Baltimore/Washington

Wed 31/12

00:00-06:00

Nonstop0h 00m

£367

LondonBaltimore

LHR London Heathrow - BWI Baltimore/Washington

LHRBWI

London Heathrow

Wed 9/12

06:30-08:19

2 stops30h 49m

Baltimore/Washington

Wed 31/12

00:00-06:00

Nonstop0h 00m

£369

LondonWashington, D.C.

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

LHRDCA

London Heathrow

Sun 24/1

12:55-19:37

1 stop11h 42m

Washington, D.C. Reagan-National

Wed 31/12

00:00-06:00

Nonstop0h 00m

£371

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Mon 18/1

16:25-19:55

Nonstop8h 30m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£376

Flights are sorted by cheapest return flights first.

Deals found on 9/10

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.

BHX-IAD

LHR-BWI

MAN-BWI

LGW-IAD

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

BHX-IAD

LHR-BWI

MAN-BWI

LGW-IAD

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 £503). Flying from United Kingdom to Washington, D.C. in May is currently the most expensive (average of £612). 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 Monday (31 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (26 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 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

7.5

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

7.5

Good

694 reviews

Virgin Atlantic

7.5

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

1,821 reviews

Virgin Atlantic

7.5

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

758 reviews

Virgin Atlantic

7.5

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

8,273 reviews

Virgin Atlantic

7.5

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

8,260 reviews

Virgin Atlantic

7.5

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 £473, Icelandair 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?
£319 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 £355 and £365, 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 Heathrow - Washington, D.C. Reagan-National 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 (79%), Austrian Airlines (79%) and Copa Airlines (79%).
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 £999, our data shows the cheapest flight currently is £343. When looking at the most popular route, (London Heathrow - Washington, D.C. Dulles Intl), you can expect to pay £329 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 £503). Flying from United Kingdom to Washington, D.C. in May is currently the most expensive (average of £612). 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

Heathrow to Reagan-National flights

Gatwick to Dulles Intl flights

Stansted to Dulles Intl flights

London City to Dulles Intl flights

Gatwick to Reagan-National flights

Luton to Dulles Intl flights

Manchester to Dulles Intl flights

Edinburgh to Dulles Intl flights

London City to Reagan-National flights

Edinburgh to Reagan-National flights

Manchester to Reagan-National flights

Birmingham to Dulles Intl flights

Birmingham to Reagan-National flights

Glasgow Intl to Dulles Intl flights

Glasgow Intl to Reagan-National flights

Dublin to Dulles Intl flights

Southampton to Dulles Intl flights

Newcastle upon Tyne to Dulles Intl flights

Bristol to Dulles Intl flights

Newcastle upon Tyne to Reagan-National flights

Southend to Dulles Intl flights

Exeter to Dulles Intl flights

Aberdeen to Dulles Intl flights

Aberdeen to Reagan-National flights

Belfast City to Dulles Intl flights

Frankfurt to Dulles Intl flights

Leeds to Reagan-National flights

Inverness to Dulles Intl flights

Inverness to Reagan-National flights

Cardiff to Dulles Intl flights

Cardiff to Reagan-National flights

Istanbul to Dulles Intl flights

Amsterdam to Dulles Intl flights

Leeds to Dulles Intl flights

Bruxelles-National to Dulles Intl flights

Madrid to Dulles Intl flights

Grimsby to Reagan-National flights

Southampton to Reagan-National flights

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

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£289	Average£563	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Virgin Atlantic	Cheapest£333	Average£626	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
TAP AIR PORTUGAL	Cheapest£346	Average£553	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
KLM	Cheapest£386	Average£629	FlexibilityNo cancel fee	On-time75%	Search KLM flights
United Airlines	Cheapest£413	Average£609	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air France	Cheapest£413	Average£726	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Scandinavian Airlines	Cheapest£415	Average£520	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Aer Lingus	Cheapest£415	Average£669	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Lufthansa	Cheapest£416	Average£651	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
British Airways	Cheapest£418	Average£649	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 £216

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/12. 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 12 October 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 12 October 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 12 October 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 12 October 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 12 October 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 12 October 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 12 October 2026 and is based on user searches.

Discover last-minute flight deals from United Kingdom to Washington, D.C.. Data last updated 12 October 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 12 October 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 12 October 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

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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 12 October 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 Monday (31 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (26 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 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 12 October 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 12 October 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 12 October 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 12 October 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 12 October 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 12 October 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 12 October 2026.