How long is the flight from United Kingdom to State of Washington?

Alaska Airlines, Icelandair, and United Airlines can get you from United Kingdom to State of Washington in just under 10h 15m. Your travel time can differ by up to 18h 10m. There are 4783 mi between United Kingdom and State of Washington. This flight may include one or multiple stops.

In terms of precipitation, rainfall in State of Washington ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit State of Washington when rainfall is around 18.0 mm.

If weather is an important factor for your trip to State of Washington, 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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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

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

How can I find direct flights from United Kingdom to Washington?

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.

Can I find deals for business class flights from United Kingdom to Washington?

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

£344+ Cheap Flights from the United Kingdom to Washington

Cheap flight deals from United Kingdom to Washington

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from United Kingdom to Washington
Explore the most affordable flight options available from United Kingdom to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 October 2026.

Tue 3/1120:35 -

1 stop28h 25m

Sun 15/1114:35 -

1 stop20h 55m

Deal found 2/10£415

Mon 19/1021:25 -

1 stop31h 15m

Thu 26/1114:35 -

1 stop12h 15m

Deal found 2/10£416

Thu 29/1012:15 -

1 stop12h 45m

Thu 5/1114:35 -

1 stop20h 55m

Deal found 1/10£417

Tue 24/1120:35 -

1 stop28h 25m

Mon 30/1114:35 -

1 stop12h 15m

Deal found 2/10£418

Tue 8/1206:30 -

1 stop13h 20m

Sat 16/116:55 -

Nonstop9h 45m

Deal found 30/9£418

Sat 10/1017:00 -

Nonstop10h 00m

Fri 23/1021:40 -

Nonstop9h 25m

Deal found 1/10£420

Wed 4/1111:55 -

1 stop13h 05m

Sun 15/1114:35 -

1 stop12h 20m

Deal found 2/10£421

Wed 4/1111:55 -

1 stop13h 05m

Tue 17/1114:35 -

1 stop12h 20m

Deal found 2/10£422

Wed 4/1112:15 -

1 stop12h 45m

Sun 15/1114:35 -

1 stop12h 15m

Deal found 2/10£422

Mon 7/1206:20 -

1 stop16h 53m

Sun 17/116:55 -

Nonstop9h 45m

Deal found 30/9£423

Tue 13/1015:40 -

1 stop13h 00m

Wed 5/519:00 -

1 stop11h 40m

Deal found 4/10£424

Thu 10/1208:55 -

1 stop12h 55m

Thu 14/116:55 -

Nonstop9h 45m

Deal found 30/9£424

Best flights from United Kingdom to Washington
Discover carefully curated flight deals from United Kingdom to Washington that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.

Thu 19/1114:45 -

Nonstop10h 15m

Thu 26/1118:45 -

Nonstop9h 35m

Deal found 5/10£431

Wed 23/1220:35 -

1 stop28h 25m

Sun 10/114:35 -

1 stop12h 15m

Deal found 3/10£460

Tue 3/1109:30 -

2 stops20h 19m

Sun 15/1115:15 -

1 stop12h 35m

Deal found 2/10£555

Wed 4/1114:55 -

Nonstop9h 55m

Sun 15/1106:14 -

1 stop16h 41m

Deal found 2/10£572

Thu 19/1110:25 -

1 stop13h 30m

Thu 26/1117:50 -

1 stop17h 35m

Deal found 5/10£575

Thu 19/1116:45 -

1 stop30h 29m

Thu 26/1112:31 -

2 stops19h 14m

Deal found 5/10£589

Wed 4/1108:55 -

1 stop14h 19m

Sat 14/1116:50 -

Nonstop9h 50m

Deal found 2/10£593

Mon 19/1017:45 -

Nonstop10h 29m

Mon 2/1123:50 -

1 stop23h 15m

Deal found 1/10£609

Fri 23/1020:25 -

2 stops23h 55m

Sun 25/1014:50 -

1 stop19h 55m

Deal found 5/10£620

Thu 29/1009:25 -

2 stops17h 51m

Thu 5/1114:35 -

1 stop18h 15m

Deal found 1/10£672

Sun 22/1119:15 -

2 stops34h 48m

Mon 30/1112:31 -

2 stops36h 59m

Deal found 1/10£728

Thu 12/1106:30 -

2 stops24h 37m

Wed 18/1119:05 -

1 stop37h 25m

Deal found 1/10£767

Sat 17/1006:00 -

1 stop18h 35m

Tue 20/1013:45 -

1 stop18h 25m

Deal found 3/10£803

Fri 23/1009:25 -

2 stops21h 31m

Sun 25/1015:35 -

2 stops19h 15m

Deal found 5/10£847

Tue 24/1114:45 -

Nonstop10h 15m

Sat 5/1218:45 -

Nonstop9h 35m

Deal found 4/10£431

Thu 12/1111:55 -

1 stop13h 05m

Mon 16/1114:35 -

1 stop11h 20m

Deal found 5/10£527

Fri 20/1107:30 -

2 stops21h 26m

Wed 25/1120:35 -

2 stops16h 45m

Deal found 3/10£556

Thu 12/1111:20 -

1 stop13h 40m

Mon 16/1114:35 -

1 stop11h 45m

Deal found 5/10£531

Tue 3/1110:00 -

2 stops19h 20m

Sun 15/1115:25 -

1 stop16h 20m

Deal found 2/10£608

Mon 2/1106:20 -

1 stop16h 54m

Mon 3/521:50 -

Nonstop9h 45m

Deal found 3/10£616

Thu 19/1106:30 -

1 stop18h 30m

Thu 26/1118:45 -

1 stop16h 40m

Deal found 5/10£626

Fri 23/1010:20 -

1 stop13h 40m

Sun 25/1017:15 -

1 stop19h 10m

Deal found 5/10£632

Fri 16/1015:40 -

1 stop13h 00m

Sun 2/519:00 -

1 stop11h 40m

Deal found 5/10£545

Fri 30/1021:25 -

1 stop22h 00m

Fri 6/1109:15 -

2 stops17h 45m

Deal found 1/10£663

Tue 29/1211:35 -

1 stop19h 41m

Sun 10/114:20 -

1 stop35h 55m

Deal found 4/10£616

Wed 18/1117:35 -

1 stop26h 12m

Wed 25/1111:45 -

2 stops21h 20m

Deal found 4/10£707

Mon 16/1106:35 -

2 stops17h 20m

Mon 23/1117:50 -

2 stops18h 15m

Deal found 2/10£657

Thu 19/1112:10 -

1 stop12h 40m

Thu 26/1110:33 -

2 stops23h 17m

Deal found 5/10£663

Thu 19/1106:00 -

1 stop13h 47m

Thu 26/1111:30 -

2 stops18h 05m

Deal found 5/10£663

Tue 29/1211:35 -

1 stop19h 41m

Sat 9/105:00 -

1 stop20h 40m

Deal found 4/10£616

Find flight deals from United Kingdom to Washington

Round-trip from	£415
One-way from	£344
Popular in	August
Cheapest in	February
Average price	£547
Good round-trip deal	£432 or less
Good one-way deal	£400 or less

Icelandair
3/11-15/11
2 total stops
49h 20m total
United Kingdom to Washington

Search Deals

17/11-31/12
3 total stops
42h 24m total
United Kingdom to Washington

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (£31 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£6 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.

Search Deals

Price to beat on a one-way flight from United Kingdom to Washington.

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Tue 24/11

10:00-08:45

2 stops30h 45m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£396

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Tue 15/12

10:00-22:55

2 stops20h 55m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£399

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Thu 26/11

19:30-22:31

2 stops35h 01m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£406

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Tue 17/11

16:20-19:17

3 stops34h 57m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£409

ManchesterSeattle

MAN Manchester - SEA Seattle/Tacoma Intl

MANSEA

Manchester

Mon 21/12

21:35-09:09

3 stops43h 34m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£415

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Wed 18/11

16:20-19:17

3 stops34h 57m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£416

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Wed 27/1

09:55-08:52

3 stops54h 57m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£426

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Wed 27/1

09:45-11:25

1 stop33h 40m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£430

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Sat 12/12

11:55-17:00

1 stop13h 05m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£430

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Sun 15/11

08:40-23:18

2 stops22h 38m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£431

Flights are sorted by cheapest return flights first.

Deals found on 4/10

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from United Kingdom to Washington

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

LHR-SEA

LGW-SEA

BHX-SEA

MAN-SEA

GLA-SEA

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

GB0-USWA

LHR-SEA

LGW-SEA

BHX-SEA

MAN-SEA

What is the cheapest month to book a flight from United Kingdom to State of Washington?

Currently, February is the cheapest month in which you can book a flight from United Kingdom to State of Washington (average of £522). Flying from United Kingdom to State of Washington in July is currently the most expensive (average of £666). 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 WA?

When flying from United Kingdom to State of Washington, 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 State of Washington

The most flights from GB0 to USWA are scheduled on a Tuesday (24 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (19 on average).

How far ahead should I book a flight from United Kingdom to State of Washington?

Booking 83 days in advance of your planned departure date is, on average, the best time to get cheap flights from United Kingdom to State of Washington. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Washington

Get a feel of what it's like to fly with Alaska Airlines,Virgin Atlantic, andAer Lingus from the United Kingdom to Washington by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

7.9

Good

13,016 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2026

LHR - SEA

It's my first time flying with Alaska Airlines. All in all it was very good. Excellent crew and the meal was really good .. best mashed potato!! Black point: not waking me up for breakfast. Having departed late from London and arriving in Seattle late at night, it would have been nice to have found a meal on the table when i woke up. Although the crew was very lovely, kind and helpful, I did find it a little regimented in their approach. Also the constant interruptions announcing what we were eating next and unnecessary announcements.

Alaska Airlines

7.9

Good

13,016 reviews

Alaska Airlines

7.9

Good

13,016 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2026

LHR - SEA

Virgin Atlantic

7.4

Good

693 reviews

Alaska Airlines

7.9

Good

13,016 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2026

LHR - SEA

Aer Lingus

7.3

Good

1,812 reviews

Alaska Airlines

7.9

Good

13,016 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2026

LHR - SEA

Icelandair

6.9

Okay

757 reviews

Alaska Airlines

7.9

Good

13,016 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2026

LHR - SEA

British Airways

6.7

Okay

8,244 reviews

Alaska Airlines

7.9

Good

13,016 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2026

LHR - SEA

Related info for your journey

How long is the flight from United Kingdom to State of Washington?
Alaska Airlines, Icelandair, and United Airlines can get you from United Kingdom to State of Washington in just under 10h 15m. Your travel time can differ by up to 18h 10m. There are 4783 mi between United Kingdom and State of Washington. This flight may include one or multiple stops.
Can I find deals for flights from United Kingdom to Washington that include hotel bookings?
Yes. In addition to deals on United Kingdom to Washington flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from United Kingdom to Washington?
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.
Can I find deals for business class flights from United Kingdom to Washington?
Yes. Cheapflights offers flight deals from United Kingdom to Washington 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 State of Washington?
Currently, February is the cheapest month in which you can book a flight from United Kingdom to State of Washington (average of £522). Flying from United Kingdom to State of Washington in July is currently the most expensive (average of £666). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Airlines

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Complete your trip

Direct flights to United States

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Popular flights

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Top destinations

Airlines flying to Washington

KLM flights to Washington

Icelandair flights to Washington

Air France flights to Washington

Virgin Atlantic flights to Washington

British Airways flights to Washington

Top 10 airlines flying from United Kingdom to Washington

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£339	Average£600	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Lufthansa	Cheapest£340	Average£534	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
British Airways	Cheapest£368	Average£638	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£376	Average£497	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Aer Lingus	Cheapest£397	Average£737	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Delta	Cheapest£404	Average£660	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Virgin Atlantic	Cheapest£414	Average£764	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Air France	Cheapest£415	Average£618	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Alaska Airlines	Cheapest£433	Average£566	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
KLM	Cheapest£434	Average£818	FlexibilityNo cancel fee	On-time75%	Search KLM flights

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Cheapflights helps you search for flights from United Kingdom to Washington 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?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from United Kingdom to Washington.

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Users can book flights with no change fees policies with our dedicated filters. Book flights from United Kingdom to Washington flexibly with Cheapflights today.

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Cheap flights from the United Kingdom to Washington from £344

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/11. 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

Cheapest flights from United Kingdom to WashingtonExplore the most affordable flight options available from United Kingdom to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 October 2026.

Explore the most affordable flight options available from United Kingdom to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 October 2026.

Best flights from United Kingdom to WashingtonDiscover carefully curated flight deals from United Kingdom to Washington that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.

Discover carefully curated flight deals from United Kingdom to Washington that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.

Direct flights from United Kingdom to WashingtonExplore direct flight options from United Kingdom to Washington based on user searches, and compare prices and availability for your desired travel dates. Data last updated 6 October 2026.

Explore direct flight options from United Kingdom to Washington based on user searches, and compare prices and availability for your desired travel dates. Data last updated 6 October 2026.

Last-minute flights from United Kingdom to WashingtonDiscover last-minute flight deals from United Kingdom to Washington. Data last updated 6 October 2026 and is based on user searches.

Discover last-minute flight deals from United Kingdom to Washington. Data last updated 6 October 2026 and is based on user searches.

One-way flights from United Kingdom to WashingtonSearch for one-way flight options from United Kingdom to Washington. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.

Search for one-way flight options from United Kingdom to Washington. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.

Find flight deals from United Kingdom to Washington

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 that are best for you.

Best time to book a flight from United Kingdom to Washington

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

Cheapflights Insights

What is the cheapest month to book a flight from United Kingdom to State of Washington?

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

Find hourly flight availability from United Kingdom to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 6 October 2026.

When flying from United Kingdom to State of Washington, 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 State of Washington

The most flights from GB0 to USWA are scheduled on a Tuesday (24 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (19 on average).

How far ahead should I book a flight from United Kingdom to State of Washington?

Booking 83 days in advance of your planned departure date is, on average, the best time to get cheap flights from United Kingdom to State of Washington. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Washington

Get a feel of what it's like to fly with Alaska Airlines,Virgin Atlantic, andAer Lingus from the United Kingdom to Washington by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from United Kingdom to State of Washington?

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

How can I find direct flights from United Kingdom to Washington?

Can I find deals for business class flights from United Kingdom to Washington?

What is the cheapest month to book a flight from United Kingdom to State of Washington?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Airlines flying to Washington

Alternative routes for United Kingdom to Washington

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

Complete your trip

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

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from United Kingdom to Washington by cabin class

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

United Kingdom and Washington flights

Browse other United Kingdom and Washington flight options. Last updated on 6 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Find a return flight route from Washington

Find the right flight back to United Kingdom after your stay in Washington

United Kingdom to Washington flights

Consider these flights travelling from United Kingdom to Washington.

Top 10 airlines flying from United Kingdom to Washington

Fly with Cheapflights

How does Cheapflights help users find flights from United Kingdom to Washington?

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Washington?

Can Cheapflights find flights from United Kingdom to Washington with no change fees?

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

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Cheapest flights from United Kingdom to Washington
Explore the most affordable flight options available from United Kingdom to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 October 2026.

Best flights from United Kingdom to Washington
Discover carefully curated flight deals from United Kingdom to Washington that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.

Direct flights from United Kingdom to Washington
Explore direct flight options from United Kingdom to Washington based on user searches, and compare prices and availability for your desired travel dates. Data last updated 6 October 2026.

Last-minute flights from United Kingdom to Washington
Discover last-minute flight deals from United Kingdom to Washington. Data last updated 6 October 2026 and is based on user searches.

One-way flights from United Kingdom to Washington
Search for one-way flight options from United Kingdom to Washington. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.