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Cheap flights from the United Kingdom to Washington from £267

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
23 Apr — 30 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 24 March 2026.

Wed 22/406:30
STN
-
SEA
2 stops22h 10m
Multiple Airlines
Sun 26/415:40
SEA
-
STN
2 stops17h 10m
Multiple Airlines
Deal found 21/3£450
Tue 21/410:45
STN
-
SEA
2 stops17h 55m
Multiple Airlines
Tue 28/415:40
SEA
-
STN
2 stops24h 30m
Multiple Airlines
Deal found 22/3£451
Wed 22/406:15
LTN
-
SEA
2 stops19h 40m
Multiple Airlines
Sun 26/415:40
SEA
-
LTN
2 stops22h 00m
Multiple Airlines
Deal found 21/3£453
Tue 21/409:40
LGW
-
SEA
2 stops19h 00m
Multiple Airlines
Tue 28/415:40
SEA
-
LGW
2 stops17h 30m
Multiple Airlines
Deal found 22/3£454
Wed 22/408:50
LGW
-
SEA
2 stops17h 05m
Multiple Airlines
Sun 26/415:40
SEA
-
LGW
2 stops18h 15m
Multiple Airlines
Deal found 21/3£455
Thu 16/406:30
STN
-
SEA
2 stops19h 25m
Multiple Airlines
Wed 29/415:40
SEA
-
STN
2 stops17h 55m
Multiple Airlines
Deal found 22/3£455
Thu 16/409:25
LTN
-
SEA
2 stops19h 15m
Multiple Airlines
Wed 29/415:40
SEA
-
LTN
2 stops21h 35m
Multiple Airlines
Deal found 22/3£455
Thu 16/408:40
LGW
-
SEA
2 stops20h 00m
Multiple Airlines
Wed 29/415:40
SEA
-
LGW
2 stops21h 00m
Multiple Airlines
Deal found 22/3£456
Wed 10/615:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Sun 21/619:00
SEA
-
LGW
1 stop11h 40m
Icelandair
Deal found 22/3£457
Sun 3/513:05
LHR
-
SEA
1 stop15h 35m
Icelandair
Fri 8/515:40
SEA
-
LHR
1 stop12h 15m
Icelandair
Deal found 24/3£458
Tue 28/422:00
STN
-
SEA
3 stops31h 53m
Multiple Airlines
Mon 4/515:40
SEA
-
STN
2 stops19h 35m
Multiple Airlines
Deal found 23/3£459
Tue 19/509:20
LGW
-
SEA
2 stops19h 20m
Multiple Airlines
Tue 26/519:00
SEA
-
LGW
2 stops17h 10m
Multiple Airlines
Deal found 20/3£460

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 24 March 2026.

Round-trip from

£450

One-way from

£267

Popular in

July

Cheapest in

February

Average price

£540

Good round-trip deal

£655 or less

Good one-way deal

£502 or less
22/4-26/4
  • 22/4-26/4
  • 4 total stops
  • 39h 20m total
  • United Kingdom to Washington
Search Deals
5/6
  • 5/6
  • 1 total stop
  • 33h 30m total
  • United Kingdom to Washington
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£56 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 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 24 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

LTN - SEA

LTNSEA

London Luton

Thu 16/4

09:25-20:40

2 stops19h 15m

Seattle/Tacoma Intl

Wed 29/4

15:40-21:15

2 stops21h 35m

£455

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 22/4

21:25-20:40

1 stop31h 15m

Seattle/Tacoma Intl

Sun 26/4

15:40-20:20

1 stop20h 40m

£518

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Thu 7/5

09:25-17:10

1 stop15h 45m

Seattle/Tacoma Intl

Thu 14/5

19:10-16:45

1 stop13h 35m

£533

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Sat 20/6

18:15-21:00

2 stops34h 45m

Seattle/Tacoma Intl

Sun 19/7

19:10-15:25

1 stop12h 15m

£562

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Fri 18/9

19:10-13:45

1 stop26h 35m

Seattle/Tacoma Intl

Sun 20/9

15:55-08:55

1 stop33h 00m

£569

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sat 19/9

15:35-13:45

2 stops30h 10m

Seattle/Tacoma Intl

Sat 26/9

15:55-17:00

2 stops17h 05m

£569

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 2/9

13:05-17:55

1 stop12h 50m

Portland

Wed 30/9

15:30-11:55

1 stop12h 25m

£581

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

£597

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 1/9

07:25-18:29

2 stops19h 04m

Seattle/Tacoma Intl

Thu 10/9

12:15-12:20

2 stops16h 05m

£610

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sun 19/4

11:45-11:45

1 stop32h 00m

Seattle/Tacoma Intl

Sun 3/5

23:15-06:25

1 stop23h 10m

£616

Flights are sorted by cheapest return flights first.

Deals found on 20/3

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 24 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.

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 24 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
1,477 reviews
Check prices

Crew

8.4

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.6

Overall

7.8

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
1,477 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Crew

8.4

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.6

Overall

7.8

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
685 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Crew

8.4

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.6

Overall

7.8

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
1,550 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Crew

8.4

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.6

Overall

7.8

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
7.0
Good
625 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Crew

8.4

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.6

Overall

7.8

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
7,817 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Crew

8.4

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.6

Overall

7.8

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 United Airlines can get you from United Kingdom to State of Washington in just under 19h 04m. Your travel time can differ by up to 12h 11m. There are 4783 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

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Alternative routes for United Kingdom to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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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 24 March 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£336Average£600FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IcelandairCheapest£343Average£538FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£364Average£582FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£375Average£663FlexibilityNo cancel feeOn-time75%
Search KLM flights
IberiaCheapest£408Average£654FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Aer LingusCheapest£419Average£772FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
United AirlinesCheapest£424Average£623FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£429Average£680FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air FranceCheapest£452Average£751FlexibilityNo cancel feeOn-time77%
Search Air France flights
Scandinavian AirlinesCheapest£461Average£671FlexibilityNo 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!

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