Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from the United Kingdom to Washington from £222

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEA
9 Apr — 16 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Washington

Enter your travel dates to find the best prices.

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 10 March 2026.

Thu 9/413:05
MAN
-
SEA
1 stop12h 50m
Icelandair
Mon 27/415:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 9/3£392
Thu 9/413:05
MAN
-
SEA
1 stop15h 35m
Icelandair
Tue 28/415:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 9/3£394
Wed 15/413:05
MAN
-
SEA
1 stop12h 50m
Icelandair
Mon 27/415:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 9/3£395
Mon 13/413:05
MAN
-
SEA
1 stop15h 35m
Icelandair
Tue 28/415:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 9/3£396
Thu 16/411:00
LGW
-
SEA
2 stops17h 40m
Multiple Airlines
Mon 27/415:40
SEA
-
LGW
2 stops19h 35m
Multiple Airlines
Deal found 5/3£397
Wed 29/413:05
MAN
-
SEA
1 stop12h 50m
Icelandair
Tue 19/515:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 6/3£409
Tue 28/413:05
MAN
-
SEA
1 stop15h 35m
Icelandair
Tue 19/515:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 6/3£409
Thu 9/413:05
MAN
-
SEA
1 stop12h 50m
Icelandair
Sun 26/415:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 9/3£411
Wed 15/413:05
MAN
-
SEA
1 stop12h 50m
Icelandair
Sun 26/415:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 9/3£414
Mon 13/413:05
MAN
-
SEA
1 stop15h 35m
Icelandair
Sun 26/415:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 9/3£415
Tue 28/413:05
MAN
-
SEA
1 stop12h 50m
Icelandair
Thu 14/515:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 6/3£421
Wed 29/413:05
MAN
-
SEA
1 stop15h 35m
Icelandair
Thu 14/515:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 6/3£421

Find flight deals from United Kingdom to Washington

Keep the following information in mind while searching for United Kingdom to Washington flight deals. Data was last updated 10 March 2026.

Round-trip from

£392

One-way from

£222

Popular in

July

Cheapest in

February

Average price

£539

Good round-trip deal

£611 or less

Good one-way deal

£502 or less
Icelandair
  • Icelandair
  • 9/4-27/4
  • 2 total stops
  • 24h 50m total
  • United Kingdom to Washington
Search Deals
5/6
  • 5/6
  • 1 total stop
  • 35h 52m total
  • United Kingdom to Washington
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£57 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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

 
Customise your flight search to find flights from United Kingdom to Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 10 March 2026.
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 - SEA

LGWSEA

London Gatwick

Wed 22/4

15:40-20:40

1 stop13h 00m

Seattle/Tacoma Intl

Sun 26/4

15:40-14:40

1 stop15h 00m

£457

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Wed 22/4

13:05-17:55

1 stop12h 50m

Seattle/Tacoma Intl

Sun 26/4

15:40-11:40

1 stop12h 00m

£540

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Mon 20/4

09:15-19:23

3 stops42h 08m

Seattle/Tacoma Intl

Mon 4/5

19:00-22:05

2 stops19h 05m

£549

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 27/5

06:40-22:40

2 stops24h 00m

Seattle/Tacoma Intl

Fri 5/6

15:55-09:20

1 stop33h 25m

£557

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 13/4

16:25-00:44

1 stop16h 19m

Seattle/Tacoma Intl

Tue 28/4

20:20-13:45

Nonstop9h 25m

£563

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Wed 22/4

09:20-22:42

2 stops21h 22m

Seattle/Tacoma Intl

Wed 29/4

07:00-08:25

2 stops17h 25m

£568

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 27/4

06:00-22:42

2 stops24h 42m

Seattle/Tacoma Intl

Mon 4/5

07:00-07:55

2 stops16h 55m

£569

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 23/4

06:50-16:43

2 stops17h 53m

Seattle/Tacoma Intl

Mon 27/4

08:00-09:20

2 stops17h 20m

£571

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 22/4

06:50-16:41

2 stops17h 51m

Seattle/Tacoma Intl

Wed 29/4

07:00-06:55

2 stops15h 55m

£573

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Mon 20/4

09:25-23:27

2 stops22h 02m

Seattle/Tacoma Intl

Mon 4/5

07:00-08:20

2 stops17h 20m

£576

Flights are sorted by cheapest return flights first.

Deals found on 5/3

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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.
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

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

Currently, January is the cheapest month in which you can book a flight from United Kingdom to State of Washington (average of £350). Flying from United Kingdom to State of Washington in August is currently the most expensive (average of £468). 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?

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 10 March 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

Explore weekly flight availability from United Kingdom to Washington. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 10 March 2026.

The most flights from GB0 to USWA are scheduled on a Tuesday (21 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (11 on average).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated 10 March 2026.
Get a feel of what it's like to fly with KLM,Virgin Atlantic, andAir France 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.
KLM
7.8
Good
1,468 reviews
Check prices

Overall

7.8

Crew

8.4

Comfort

7.6

Boarding

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,468 reviews
KLM
7.8
Good
1,468 reviews
Check prices

Overall

7.8

Crew

8.4

Comfort

7.6

Boarding

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Virgin Atlantic
7.5
Good
680 reviews
KLM
7.8
Good
1,468 reviews
Check prices

Overall

7.8

Crew

8.4

Comfort

7.6

Boarding

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Air France
7.4
Good
1,543 reviews
KLM
7.8
Good
1,468 reviews
Check prices

Overall

7.8

Crew

8.4

Comfort

7.6

Boarding

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Icelandair
7.1
Good
619 reviews
KLM
7.8
Good
1,468 reviews
Check prices

Overall

7.8

Crew

8.4

Comfort

7.6

Boarding

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,781 reviews
KLM
7.8
Good
1,468 reviews
Check prices

Overall

7.8

Crew

8.4

Comfort

7.6

Boarding

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Icelandair, Scandinavian Airlines, and British Airways can get you from United Kingdom to State of Washington in just under 13h. Your travel time can differ by up to 11h. There are 4807 mi between United Kingdom and State of Washington. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from United Kingdom to State of Washington one-way?

    £285 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Virgin Atlantic and Icelandair, with prices starting from £347 and £355, respectively.

  • 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, January is the cheapest month in which you can book a flight from United Kingdom to State of Washington (average of £350). Flying from United Kingdom to State of Washington in August is currently the most expensive (average of £468). 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

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

Alternative routes for United Kingdom to Washington

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Heathrow to LaGuardia flights
Gatwick to John F Kennedy Intl flights
Stansted to John F Kennedy Intl flights
Gatwick to Newark flights
London City to John F Kennedy Intl flights
Heathrow to Los Angeles flights
Heathrow to Orlando flights
Gatwick to LaGuardia flights
Luton to John F Kennedy Intl flights
Heathrow to Miami flights
Heathrow to Boston flights
Manchester to John F Kennedy Intl flights
Stansted to Newark flights
Gatwick to Orlando flights
Heathrow to Las Vegas flights
London City to Newark flights
Manchester to Orlando flights
Luton to Newark flights
Heathrow to San Francisco flights
Heathrow to Dallas/Fort Worth flights
Heathrow to O'Hare Intl flights
Heathrow to Dulles Intl flights
Heathrow to Seattle flights
Gatwick to Boston flights
Stansted to Los Angeles flights
Edinburgh to John F Kennedy Intl flights
Gatwick to Los Angeles flights
Heathrow to Atlanta flights
Edinburgh to Newark flights
Manchester to Newark flights
Heathrow to Hobby flights
Gatwick to Miami flights
Stansted to Orlando flights
Heathrow to Tampa flights
London City to Los Angeles flights
Stansted to Miami flights
Manchester to LaGuardia flights
London City to Miami flights
Heathrow to Baltimore flights
Heathrow to George Bush Intcntl flights
London City to Boston flights
Stansted to Boston flights
Heathrow to Denver flights
Heathrow to Ontario flights
Heathrow to Nashville flights
Gatwick to Las Vegas flights
London City to Orlando flights
Gatwick to Dallas/Fort Worth flights

Top 10 airlines flying from United Kingdom to Washington

Discover the top 10 airlines that operate flights from United Kingdom to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 10 March 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£337Average£585FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IcelandairCheapest£342Average£540FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£364Average£584FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£408Average£628FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Aer LingusCheapest£419Average£777FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
United AirlinesCheapest£424Average£620FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£430Average£684FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£444Average£646FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£452Average£749FlexibilityNo cancel feeOn-time77%
Search Air France flights
Scandinavian AirlinesCheapest£462Average£670FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

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

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

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.