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Cheap flights from the United Kingdom to Washington from £272

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Washington departing on 17/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from the United Kingdom to Washington

Recent return flight deals from the United Kingdom to Washington

Enter your travel dates to find the best prices.
Icelandair Logo
11:55 - 18:00MAN-SEA
13h 05m1 stop
Icelandair Logo
15:35 - 10:45SEA-MAN
12h 10m1 stop
£449Icelandair
Find Deal
Mon, 9 Mar - Mon, 16 Mar
Icelandair Logo
13:05 - 20:45MAN-SEA
15h 40m1 stop
Icelandair Logo
15:45 - 11:40SEA-MAN
11h 55m1 stop
£461Icelandair
Find Deal
Wed, 8 Apr - Wed, 15 Apr
Virgin Atlantic Logo
12:20 - 14:53LHR-SEA
10h 33mdirect
Virgin Atlantic Logo
16:45 - 10:30SEA-LHR
9h 45mdirect
£477Virgin Atlantic
Find Deal
Thu, 15 Jan - Thu, 22 Jan
Icelandair Logo
11:55 - 17:00LGW-SEA
13h 05m1 stop
Icelandair Logo
14:35 - 10:55SEA-LGW
12h 20m1 stop
£478Icelandair
Find Deal
Sat, 6 Dec - Tue, 6 Jan
British Airways Logo
09:25 - 11:30LHR-SEA
10h 05mdirect
British Airways Logo
13:25 - 07:00SEA-LHR
9h 35mdirect
£479British Airways
Find Deal
Tue, 24 Feb - Tue, 3 Mar
Icelandair Logo
11:55 - 18:00MAN-SEA
13h 05m1 stop
Icelandair Logo
15:35 - 10:45SEA-MAN
12h 10m1 stop
£480Icelandair
Find Deal
Mon, 9 Mar - Mon, 23 Mar
British Airways Logo
09:25 - 12:30LHR-SEA
10h 05mdirect
British Airways Logo
19:50 - 12:20SEA-LHR
9h 30mdirect
£481British Airways
Find Deal
Tue, 10 Mar - Tue, 17 Mar
Virgin Atlantic Logo
08:40 - 20:46LCY-SEA
20h 06m2 stops
Virgin Atlantic Logo
15:10 - 17:20SEA-LCY
18h 10m1 stop
£503Virgin Atlantic
Find Deal
Mon, 12 Jan - Tue, 20 Jan
Lufthansa Logo
09:50 - 00:44LCY-PDX
22h 54m2 stops
Lufthansa Logo
13:25 - 17:40PDX-LCY
21h 15m2 stops
£628Lufthansa
Find Deal
Wed, 4 Mar - Wed, 11 Mar
Delta Logo
08:40 - 22:17LCY-PDX
45h 37m2 stops
Delta Logo
11:10 - 09:30PDX-LCY
39h 20m2 stops
£691Delta
Find Deal
Fri, 6 Mar - Tue, 10 Mar

Turkish Airlines flights from United Kingdom to State of Washington

Our best Turkish Airlines deals on United Kingdom to State of Washington flight tickets
Turkish Airlines
23 Apr
STN17:45London Stansted
31h 30m
1 stop
SEA17:15Seattle/Tacoma Intl
9 May
SEA19:10Seattle/Tacoma Intl
31h 05m
1 stop
STN10:15London Stansted
£696
Find similar
Turkish Airlines
17 Nov
LGW06:20London Gatwick
18h 45m
1 stop
SEA17:05Seattle/Tacoma Intl
9 Dec
SEA19:00Seattle/Tacoma Intl
19h 35m
1 stop
LGW22:35London Gatwick
£838
Find similar

SWISS flights from United Kingdom to State of Washington

Our best SWISS deals on United Kingdom to State of Washington flight tickets
SWISS
2 Dec
LCY19:10London City
33h 50m
2 stops
SEA21:00Seattle/Tacoma Intl
8 Dec
SEA13:05Seattle/Tacoma Intl
20h 00m
2 stops
LCY17:05London City
£560
Find similar
SWISS
22 Apr
LCY09:25London City
19h 47m
2 stops
SEA21:12Seattle/Tacoma Intl
10 May
SEA07:00Seattle/Tacoma Intl
16h 35m
2 stops
LCY07:35London City
£586
Find similar
SWISS
18 Nov
LHR09:00London Heathrow
22h 44m
2 stops
SEA23:44Seattle/Tacoma Intl
24 Nov
SEA10:53Seattle/Tacoma Intl
18h 07m
2 stops
LHR13:00London Heathrow
£707
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from United Kingdom to State of 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, momondo users made 279,928 searches. Data last updated 13 November 2025.
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

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Mon 9/3

11:55-18:00

1 stop13h 05m

Seattle/Tacoma Intl

Mon 16/3

15:35-10:45

1 stop12h 10m

£449

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Wed 8/4

13:05-20:45

1 stop15h 40m

Seattle/Tacoma Intl

Wed 15/4

15:45-11:40

1 stop11h 55m

£461

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 15/1

12:20-14:53

Nonstop10h 33m

Seattle/Tacoma Intl

Thu 22/1

16:45-10:30

Nonstop9h 45m

£477

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Sat 6/12

11:55-17:00

1 stop13h 05m

Seattle/Tacoma Intl

Tue 6/1

14:35-10:55

1 stop12h 20m

£478

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 24/2

09:25-11:30

Nonstop10h 05m

Seattle/Tacoma Intl

Tue 3/3

13:25-07:00

Nonstop9h 35m

£479

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Mon 9/3

11:55-18:00

1 stop13h 05m

Seattle/Tacoma Intl

Mon 23/3

15:35-10:45

1 stop12h 10m

£480

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 10/3

09:25-12:30

Nonstop10h 05m

Seattle/Tacoma Intl

Tue 17/3

19:50-12:20

Nonstop9h 30m

£481

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 12/1

08:40-20:46

2 stops20h 06m

Seattle/Tacoma Intl

Tue 20/1

15:10-17:20

1 stop18h 10m

£503

LondonPortland

LCY - PDX

LCYPDX

London City

Wed 4/3

09:50-00:44

2 stops22h 54m

Portland

Wed 11/3

13:25-17:40

2 stops21h 15m

£628

LondonPortland

LCY - PDX

LCYPDX

London City

Fri 6/3

08:40-22:17

2 stops45h 37m

Portland

Tue 10/3

11:10-09:30

2 stops39h 20m

£691

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington from

How to get the cheapest flight ticket from United Kingdom to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to State of Washington?

If you aren’t able to travel to State of Washington during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of £509.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from United Kingdom to State of Washington is on a Wednesday. Travellers who choose to depart for State of Washington on a Wednesday will often find tickets for as low as £603. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to State of Washington on Sunday is £697.

What is the cheapest time of day to depart on your flight to State of Washington?

Flying to State of Washington from United Kingdom in the evening is the least expensive time of day to depart. momondo users have found prices as low as £532 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to State of Washington is in the morning when prices are around £643.

What is the cheapest United Kingdom to Washington flight route?

Fly from London Heathrow to Seattle/Tacoma Intl for the best United Kingdom - Washington flight prices

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around £591 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from United Kingdom for as low as £541 on momondo.

What cabin class options are available on United Kingdom to Washington flights?

There are 4 cabin classes available to choose from on United Kingdom to Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United Kingdom to State of Washington flights?

You could potentially save up to 20% on your flight if you consider stops on a United Kingdom to State of Washington flight.

Cheap United Kingdom to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United Kingdom to State of Washington

Best price found

£490

Fastest flight time

9h 45m

Direct flights

Every day

Airports in State of Washington

2 airports
The best one-way flight to State of Washington from United Kingdom in the past 72 hours is £490. The best return flight deal from United Kingdom to State of Washington found on momondo in the last 72 hours is £560.
The fastest flight from United Kingdom to State of Washington takes 9h 45m
Direct flights go from United Kingdom to State of Washington every day.
There are 2 airports near State of Washington: Portland (PDX), Seattle/Tacoma Intl (SEA)
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  • When did momondo last update prices for flights from United Kingdom to Washington?

    Prices for flights from United Kingdom to Washington were last updated today.

  • How many operators does momondo search for flights from United Kingdom to Washington?

  • How old do you have to be to fly from United Kingdom to Washington?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United Kingdom to Washington.

  • What documentation or ID do you need to fly to Washington?

    The necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from United Kingdom to State of Washington?

Best airlines flying from United Kingdom to State of Washington

Compare and see reviews for airlines that fly from United Kingdom to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £351Free CancellationRating
7.1
578 reviews
Search Icelandair flights
Air FrancePriceFrom £394Free CancellationRating
7.4
1,486 reviews
Search Air France flights
FinnairPriceFrom £407Free CancellationRating
7.6
1,335 reviews
Search Finnair flights
LufthansaPriceFrom £408Free CancellationRating
6.8
7,570 reviews
Search Lufthansa flights
KLMPriceFrom £412Free CancellationRating
7.7
1,410 reviews
Search KLM flights
United AirlinesPriceFrom £414Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights
British AirwaysPriceFrom £432Free CancellationRating
6.7
7,516 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom £451Free CancellationRating
7.4
1,575 reviews
Search Scandinavian Airlines flights
Virgin AtlanticPriceFrom £452Free CancellationRating
7.5
673 reviews
Search Virgin Atlantic flights
DeltaPriceFrom £455Free CancellationRating
7.9
8,007 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from United Kingdom to Washington?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from United Kingdom to Washington . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from United Kingdom to Washington with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington from United Kingdom which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from United Kingdom to Washington?

Once all potential United Kingdom to Washington flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from United Kingdom to Washington right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of United Kingdom to Washington flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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