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

Alaska Airlines, Delta, and Virgin Atlantic can get you from United Kingdom to State of Washington in just under 10h. Your travel time can differ by up to 3h 14m. 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.

£382+ 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 19 September 2026.

Tue 29/911:40 -

Nonstop10h 20m

Wed 7/1017:30 -

Nonstop9h 50m

Deal found 18/9£427

Wed 23/1219:25 -

1 stop26h 30m

Wed 6/116:55 -

Nonstop9h 45m

Deal found 17/9£428

Fri 25/911:40 -

Nonstop10h 20m

Sat 10/1021:50 -

Nonstop9h 45m

Deal found 18/9£429

Tue 15/1209:30 -

1 stop34h 30m

Thu 7/110:54 -

2 stops16h 26m

Deal found 16/9£430

Thu 15/1015:40 -

1 stop13h 00m

Thu 5/1114:35 -

1 stop12h 20m

Deal found 17/9£431

Thu 24/910:00 -

1 stop14h 35m

Tue 29/913:50 -

1 stop11h 40m

Deal found 17/9£431

Mon 5/1017:45 -

Nonstop10h 29m

Thu 15/1021:50 -

Nonstop9h 45m

Deal found 17/9£431

Thu 1/1010:25 -

1 stop15h 22m

Mon 30/1115:25 -

1 stop16h 20m

Deal found 18/9£431

Wed 9/1212:20 -

Nonstop10h 30m

Thu 14/116:55 -

Nonstop9h 45m

Deal found 17/9£431

Mon 16/1110:00 -

1 stop13h 14m

Sun 6/1215:25 -

1 stop16h 20m

Deal found 18/9£432

Thu 15/1009:20 -

1 stop15h 15m

Thu 22/1013:45 -

1 stop11h 45m

Deal found 17/9£432

Sat 31/1012:20 -

Nonstop10h 34m

Sat 5/1209:40 -

1 stop14h 05m

Deal found 16/9£432

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 19 September 2026.

Thu 1/1017:00 -

Nonstop10h 00m

Thu 8/1021:40 -

Nonstop9h 25m

Deal found 19/9£430

Sun 18/1018:30 -

Nonstop10h 25m

Sun 25/1017:45 -

Nonstop9h 55m

Deal found 18/9£430

Sat 31/1012:20 -

Nonstop10h 34m

Sat 7/1116:50 -

Nonstop9h 50m

Deal found 16/9£432

Tue 15/1218:40 -

2 stops34h 07m

Fri 15/113:16 -

2 stops20h 34m

Deal found 16/9£502

Fri 11/1211:55 -

1 stop13h 05m

Thu 7/114:35 -

1 stop12h 20m

Deal found 16/9£544

Wed 14/1006:15 -

1 stop18h 55m

Tue 20/1019:10 -

1 stop19h 00m

Deal found 14/9£592

Wed 18/1106:40 -

2 stops23h 20m

Sun 13/1211:01 -

3 stops23h 29m

Deal found 15/9£617

Thu 29/1013:30 -

2 stops18h 14m

Mon 2/1119:26 -

2 stops30h 14m

Deal found 15/9£653

Sat 31/1009:30 -

2 stops18h 43m

Sat 7/1107:00 -

1 stop21h 00m

Deal found 16/9£663

Wed 27/113:35 -

Nonstop10h 15m

Sun 31/113:33 -

1 stop33h 22m

Deal found 16/9£709

Sun 22/1117:20 -

2 stops37h 47m

Thu 3/1210:48 -

2 stops39h 07m

Deal found 15/9£740

Thu 17/1212:20 -

Nonstop10h 30m

Fri 8/116:55 -

Nonstop9h 45m

Deal found 18/9£430

Wed 4/1110:00 -

1 stop13h 14m

Sat 14/1111:35 -

2 stops20h 10m

Deal found 15/9£435

Fri 27/1112:20 -

Nonstop10h 30m

Mon 7/1213:30 -

1 stop12h 30m

Deal found 17/9£431

Tue 20/1020:15 -

1 stop23h 37m

Wed 11/1106:00 -

2 stops18h 50m

Deal found 17/9£448

Mon 14/1214:45 -

Nonstop10h 05m

Mon 4/118:55 -

Nonstop9h 25m

Deal found 18/9£500

Fri 30/1009:15 -

2 stops21h 03m

Mon 9/1113:16 -

2 stops19h 49m

Deal found 15/9£518

Sun 27/918:30 -

Nonstop10h 23m

Tue 13/1021:50 -

Nonstop9h 45m

Deal found 17/9£432

Thu 1/1008:25 -

2 stops18h 39m

Sun 11/1013:45 -

1 stop20h 45m

Deal found 14/9£451

Tue 15/1214:45 -

Nonstop10h 05m

Mon 4/118:55 -

Nonstop9h 25m

Deal found 18/9£500

Fri 2/1011:40 -

Nonstop10h 20m

Mon 5/1017:30 -

Nonstop9h 50m

Deal found 17/9£432

Wed 25/1108:00 -

1 stop17h 00m

Wed 9/1214:35 -

1 stop24h 35m

Deal found 19/9£595

Tue 22/909:20 -

2 stops17h 44m

Tue 29/913:50 -

1 stop18h 50m

Deal found 14/9£451

Sun 31/106:40 -

2 stops22h 47m

Thu 4/213:00 -

2 stops21h 30m

Deal found 14/9£618

Sat 3/1017:45 -

Nonstop10h 29m

Wed 7/1017:30 -

Nonstop9h 50m

Deal found 17/9£432

Tue 3/1107:40 -

2 stops23h 06m

Tue 10/1115:15 -

1 stop12h 35m

Deal found 18/9£663

Sun 13/1218:55 -

2 stops28h 34m

Thu 7/114:25 -

1 stop21h 10m

Deal found 16/9£453

Mon 2/1108:05 -

1 stop16h 55m

Mon 16/1114:45 -

2 stops21h 30m

Deal found 17/9£610

Thu 17/1209:15 -

2 stops21h 17m

Sat 9/113:16 -

2 stops20h 09m

Deal found 18/9£612

Thu 10/1206:40 -

2 stops24h 04m

Mon 11/107:00 -

2 stops25h 00m

Deal found 14/9£618

Find flight deals from United Kingdom to Washington

Round-trip from	£427
One-way from	£382
Popular in	August
Cheapest in	February
Average price	£553
Good round-trip deal	£481 or less
Good one-way deal	£564 or less

Virgin Atlantic
29/9-7/10
Nonstop
20h 10m total
United Kingdom to Washington

Search Deals

7/10-31/12
3 total stops
59h 05m total
United Kingdom to Washington

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (£28 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 September 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

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Sun 15/11

06:30-06:45

2 stops32h 15m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£382

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Mon 2/11

09:30-23:31

2 stops22h 01m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£384

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Tue 15/12

10:00-20:42

2 stops18h 42m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£386

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Tue 17/11

16:45-15:14

1 stop30h 29m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£388

Fastest return journey

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Sat 14/11

14:55-16:50

Nonstop9h 55m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£388

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Mon 14/12

12:20-14:50

Nonstop10h 30m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£388

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Sun 13/12

12:20-14:50

Nonstop10h 30m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£390

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Fri 11/12

12:20-14:50

Nonstop10h 30m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£391

LondonSeattle

LHR London Heathrow - SEA Seattle/Tacoma Intl

LHRSEA

London Heathrow

Sat 12/12

14:45-16:50

Nonstop10h 05m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£392

LondonSeattle

LGW London Gatwick - SEA Seattle/Tacoma Intl

LGWSEA

London Gatwick

Sun 8/11

10:00-23:56

2 stops21h 56m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£392

Flights are sorted by cheapest return flights first.

Deals found on 14/9

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

STN-SEA

LGW-SEA

LCY-SEA

LTN-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

STN-SEA

LGW-SEA

LCY-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 £514). Flying from United Kingdom to State of Washington in July is currently the most expensive (average of £658). 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 Sunday, which is when the least amount of flights are scheduled (18 on average).

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

Booking 73 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

12,949 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

12,949 reviews

Alaska Airlines

7.9

Good

12,949 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2026

LHR - SEA

Virgin Atlantic

7.4

Good

694 reviews

Alaska Airlines

7.9

Good

12,949 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2026

LHR - SEA

Aer Lingus

7.3

Good

1,768 reviews

Alaska Airlines

7.9

Good

12,949 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2026

LHR - SEA

Icelandair

6.9

Okay

747 reviews

Alaska Airlines

7.9

Good

12,949 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2026

LHR - SEA

British Airways

6.7

Okay

8,228 reviews

Alaska Airlines

7.9

Good

12,949 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, Delta, and Virgin Atlantic can get you from United Kingdom to State of Washington in just under 10h. Your travel time can differ by up to 3h 14m. 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 £514). Flying from United Kingdom to State of Washington in July is currently the most expensive (average of £658). 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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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
Lufthansa	Cheapest£336	Average£529	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Icelandair	Cheapest£337	Average£592	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£364	Average£640	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£371	Average£491	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Aer Lingus	Cheapest£393	Average£727	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Delta	Cheapest£400	Average£652	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Air France	Cheapest£411	Average£612	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Virgin Atlantic	Cheapest£415	Average£804	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Alaska Airlines	Cheapest£433	Average£561	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
KLM	Cheapest£434	Average£808	FlexibilityNo cancel fee	On-time75%	Search KLM flights

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

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 £382

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/10. 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 19 September 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 19 September 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 19 September 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 19 September 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 19 September 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 19 September 2026.

Last-minute flights from United Kingdom to WashingtonDiscover last-minute flight deals from United Kingdom to Washington. Data last updated 19 September 2026 and is based on user searches.

Discover last-minute flight deals from United Kingdom to Washington. Data last updated 19 September 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 19 September 2026.

Search for one-way flight options from United Kingdom to Washington. Find affordable one-way fares based on user searches. Data last updated 19 September 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 19 September 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 Sunday, which is when the least amount of flights are scheduled (18 on average).

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

Booking 73 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 19 September 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 19 September 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 19 September 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 19 September 2026.

Last-minute flights from United Kingdom to Washington
Discover last-minute flight deals from United Kingdom to Washington. Data last updated 19 September 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 19 September 2026.