Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from the United Kingdom to Washington from £291

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 19/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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.
Multiple Airlines Logo
08:30 - 11:45
STN
-
SEA
35h 15m
2 stops
Multiple Airlines Logo
15:40 - 23:20
SEA
-
STN
23h 40m
2 stops
£475Multiple Airlines
Thu, 21 May - Thu, 28 May
Icelandair Logo
15:40 - 20:40
LGW
-
SEA
13h 00m
1 stop
Icelandair Logo
19:00 - 14:40
SEA
-
LGW
11h 40m
1 stop
£477Icelandair
Thu, 1 Oct - Thu, 15 Oct
Multiple Airlines Logo
08:30 - 11:45
STN
-
SEA
35h 15m
2 stops
Multiple Airlines Logo
15:40 - 23:20
SEA
-
STN
23h 40m
2 stops
£480Multiple Airlines
Thu, 21 May - Thu, 28 May
Scandinavian Airlines Logo
20:25 - 13:45
MAN
-
SEA
25h 20m
2 stops
Scandinavian Airlines Logo
15:55 - 08:55
SEA
-
MAN
33h 00m
1 stop
£528Scandinavian Airlines
Fri, 22 May - Fri, 29 May
Scandinavian Airlines Logo
20:25 - 13:45
MAN
-
SEA
25h 20m
2 stops
Scandinavian Airlines Logo
15:55 - 12:05
SEA
-
MAN
36h 10m
2 stops
£541Scandinavian Airlines
Fri, 22 May - Sun, 31 May
KLM Logo
09:20 - 16:39
LCY
-
SEA
15h 19m
1 stop
KLM Logo
13:45 - 09:30
SEA
-
LCY
11h 45m
1 stop
£565KLM
Thu, 1 Oct - Wed, 7 Oct
Virgin Atlantic Logo
09:20 - 16:30
LCY
-
SEA
15h 10m
1 stop
Virgin Atlantic Logo
17:40 - 16:40
SEA
-
LCY
15h 00m
1 stop
£567Virgin Atlantic
Thu, 14 May - Mon, 18 May
Virgin Atlantic Logo
09:20 - 16:30
LCY
-
SEA
15h 10m
1 stop
Virgin Atlantic Logo
17:45 - 18:30
SEA
-
LCY
16h 45m
1 stop
£581Virgin Atlantic
Mon, 18 May - Mon, 1 Jun
KLM Logo
09:20 - 16:30
LCY
-
SEA
15h 10m
1 stop
KLM Logo
13:45 - 09:30
SEA
-
LCY
11h 45m
1 stop
£583KLM
Thu, 14 May - Wed, 27 May
Lufthansa Logo
09:45 - 00:59
LCY
-
PDX
23h 14m
2 stops
Lufthansa Logo
10:10 - 17:55
PDX
-
LCY
23h 45m
2 stops
£749Lufthansa
Mon, 4 May - Mon, 11 May

Icelandair flights from United Kingdom to State of Washington

Our best Icelandair deals on United Kingdom to State of Washington flight tickets
Icelandair
1 Oct
LGW15:40London Gatwick
13h 00m
1 stop
SEA20:40Seattle/Tacoma Intl
15 Oct
SEA19:00Seattle/Tacoma Intl
11h 40m
1 stop
LGW14:40London Gatwick
£477
Icelandair
4 May
LGW15:40London Gatwick
13h 00m
1 stop
SEA20:40Seattle/Tacoma Intl
8 May
SEA19:00Seattle/Tacoma Intl
11h 40m
1 stop
LGW14:40London Gatwick
£480
Icelandair
4 May
LGW15:40London Gatwick
34h 15m
1 stop
SEA17:55Seattle/Tacoma Intl
8 May
SEA19:00Seattle/Tacoma Intl
11h 40m
1 stop
LGW14:40London Gatwick
£482

KLM flights from United Kingdom to State of Washington

Our best KLM deals on United Kingdom to State of Washington flight tickets
KLM
1 Oct
LCY09:20London City
15h 19m
1 stop
SEA16:39Seattle/Tacoma Intl
7 Oct
SEA13:45Seattle/Tacoma Intl
11h 45m
1 stop
LCY09:30London City
£565
KLM
14 May
LCY09:20London City
15h 10m
1 stop
SEA16:30Seattle/Tacoma Intl
27 May
SEA13:45Seattle/Tacoma Intl
11h 45m
1 stop
LCY09:30London City
£583
KLM
1 Oct
LCY09:20London City
15h 19m
1 stop
SEA16:39Seattle/Tacoma Intl
15 Oct
SEA09:30Seattle/Tacoma Intl
15h 20m
2 stops
LCY08:50London City
£585

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 11 April 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

STN - SEA

STNSEA

London Stansted

Thu 21/5

08:30-11:45

2 stops35h 15m

Seattle/Tacoma Intl

Thu 28/5

15:40-23:20

2 stops23h 40m

£475
Fastest return journey

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Thu 1/10

15:40-20:40

1 stop13h 00m

Seattle/Tacoma Intl

Thu 15/10

19:00-14:40

1 stop11h 40m

£477

LondonSeattle

STN - SEA

STNSEA

London Stansted

Thu 21/5

08:30-11:45

2 stops35h 15m

Seattle/Tacoma Intl

Thu 28/5

15:40-23:20

2 stops23h 40m

£480

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Fri 22/5

20:25-13:45

2 stops25h 20m

Seattle/Tacoma Intl

Fri 29/5

15:55-08:55

1 stop33h 00m

£528

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Fri 22/5

20:25-13:45

2 stops25h 20m

Seattle/Tacoma Intl

Sun 31/5

15:55-12:05

2 stops36h 10m

£541

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 1/10

09:20-16:39

1 stop15h 19m

Seattle/Tacoma Intl

Wed 7/10

13:45-09:30

1 stop11h 45m

£565

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 14/5

09:20-16:30

1 stop15h 10m

Seattle/Tacoma Intl

Mon 18/5

17:40-16:40

1 stop15h 00m

£567

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 18/5

09:20-16:30

1 stop15h 10m

Seattle/Tacoma Intl

Mon 1/6

17:45-18:30

1 stop16h 45m

£581

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 14/5

09:20-16:30

1 stop15h 10m

Seattle/Tacoma Intl

Wed 27/5

13:45-09:30

1 stop11h 45m

£583

LondonPortland

LCY - PDX

LCYPDX

London City

Mon 4/5

09:45-00:59

2 stops23h 14m

Portland

Mon 11/5

10:10-17:55

2 stops23h 45m

£749

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of £496.

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 £597. 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 £667.

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

Flying to State of Washington from United Kingdom at midday is the least expensive time of day to depart. momondo users have found prices as low as £613 when looking at flights departing at midday. In contrast, the most expensive time of day to depart to State of Washington is in the afternoon when prices are around £634.

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 £578 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 £533 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.

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

£533

Fastest flight time

9h 45m

Direct flights

Every day

Airports in State of Washington

96 airports
The best one-way flight to State of Washington from United Kingdom in the past 72 hours is £533. The best return flight deal from United Kingdom to State of Washington found on momondo in the last 72 hours is £651.
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 96 airports in State of Washington. From United Kingdom there are direct flights to Portland (PDX), Seattle/Tacoma Intl (SEA).
Search flight deals

Frequently asked questions about flying from the United Kingdom to Washington

  • 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
LufthansaPriceFrom £334Free CancellationRating
6.8
7,908 reviews
Search Lufthansa flights
IcelandairPriceFrom £340Free CancellationRating
7.0
632 reviews
Search Icelandair flights
British AirwaysPriceFrom £362Free CancellationRating
6.7
7,871 reviews
Search British Airways flights
KLMPriceFrom £373Free CancellationRating
7.7
1,493 reviews
Search KLM flights
Aer LingusPriceFrom £417Free CancellationRating
7.2
1,502 reviews
Search Aer Lingus flights
Virgin AtlanticPriceFrom £426Free CancellationRating
7.5
685 reviews
Search Virgin Atlantic flights
United AirlinesPriceFrom £430Free CancellationRating
7.4
9,567 reviews
Search United Airlines flights
Air FrancePriceFrom £449Free CancellationRating
7.4
1,564 reviews
Search Air France flights
Scandinavian AirlinesPriceFrom £459Free CancellationRating
7.3
1,748 reviews
Search Scandinavian Airlines flights
FinnairPriceFrom £460Free CancellationRating
7.7
1,383 reviews
Search Finnair 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.

An easier way to manage your State of Washington trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 11/5
Mon 18/5
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington

Popular Cities in Washington

Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom £325
Flights to Orlandofrom £372
Flights to Los Angelesfrom £378
Flights to Miamifrom £390
Flights to San Franciscofrom £431
Flights to Bostonfrom £408
Flights to Chicagofrom £435
Flights to Washington, D.C.from £332
Flights to Las Vegasfrom £517
Flights to Atlantafrom £504
Flights to Houstonfrom £550
Flights to Dallasfrom £538