Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from the United Kingdom to Washington from £302

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 13/9. 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
09:25 - 17:10
MAN
-
SEA
15h 45m
1 stop
Multiple Airlines Logo
19:10 - 17:25
SEA
-
MAN
14h 15m
1 stop
£515Multiple Airlines
Tue, 23 Jun - Tue, 30 Jun
Multiple Airlines Logo
06:15 - 17:10
MAN
-
SEA
18h 55m
1 stop
Multiple Airlines Logo
19:10 - 16:45
SEA
-
MAN
13h 35m
1 stop
£518Multiple Airlines
Fri, 19 Jun - Fri, 26 Jun
Virgin Atlantic Logo
06:20 - 11:25
LHR
-
SEA
13h 05m
1 stop
Virgin Atlantic Logo
16:48 - 10:30
SEA
-
LHR
9h 42mdirect
£529Virgin Atlantic
Thu, 12 Nov - Mon, 23 Nov
Icelandair Logo
13:05 - 20:40
LHR
-
SEA
15h 35m
1 stop
Icelandair Logo
19:00 - 20:20
SEA
-
LHR
17h 20m
1 stop
£530Icelandair
Tue, 22 Sep - Tue, 13 Oct
Icelandair Logo
21:25 - 20:40
LHR
-
SEA
31h 15m
1 stop
Icelandair Logo
19:00 - 20:20
SEA
-
LHR
17h 20m
1 stop
£532Icelandair
Sat, 26 Sep - Thu, 22 Oct
Virgin Atlantic Logo
20:05 - 11:47
LCY
-
SEA
23h 42m
1 stop
Virgin Atlantic Logo
06:00 - 09:30
SEA
-
LCY
19h 30m
2 stops
£593Virgin Atlantic
Fri, 13 Nov - Thu, 19 Nov
KLM Logo
10:00 - 16:24
LCY
-
SEA
14h 24m
1 stop
KLM Logo
13:55 - 09:30
SEA
-
LCY
11h 35m
1 stop
£611KLM
Wed, 24 Jun - Mon, 29 Jun
KLM Logo
09:20 - 16:39
LCY
-
SEA
15h 19m
1 stop
KLM Logo
14:35 - 16:35
SEA
-
LCY
18h 00m
1 stop
£612KLM
Thu, 15 Oct - Sun, 1 Nov
Lufthansa Logo
15:05 - 09:31
LHR
-
PDX
26h 26m
1 stop
Lufthansa Logo
23:30 - 05:55
PDX
-
LHR
22h 25m
2 stops
£687Lufthansa
Wed, 30 Sep - Sun, 4 Oct
Lufthansa Logo
19:30 - 23:22
LHR
-
PDX
35h 52m
2 stops
Lufthansa Logo
10:43 - 09:40
PDX
-
LHR
14h 57m
1 stop
£690Lufthansa
Mon, 31 Aug - Wed, 30 Sep

KLM flights from United Kingdom to State of Washington

Our best KLM deals on United Kingdom to State of Washington flight tickets
KLM
13 Nov
LHR06:30London Heathrow
16h 17m
2 stops
SEA14:47Seattle/Tacoma Intl
19 Nov
SEA11:45Seattle/Tacoma Intl
13h 00m
1 stop
LHR08:45London Heathrow
£568
KLM
24 Jun
LCY10:00London City
14h 24m
1 stop
SEA16:24Seattle/Tacoma Intl
29 Jun
SEA13:55Seattle/Tacoma Intl
11h 35m
1 stop
LCY09:30London City
£611
KLM
15 Oct
LCY09:20London City
15h 19m
1 stop
SEA16:39Seattle/Tacoma Intl
1 Nov
SEA14:35Seattle/Tacoma Intl
18h 00m
1 stop
LCY16:35London City
£612

Icelandair flights from United Kingdom to State of Washington

Our best Icelandair deals on United Kingdom to State of Washington flight tickets
Icelandair
14 Oct
LHR21:25London Heathrow
31h 15m
1 stop
SEA20:40Seattle/Tacoma Intl
29 Oct
SEA15:35Seattle/Tacoma Intl
12h 15m
1 stop
LHR10:50London Heathrow
£528
Icelandair
22 Sept
LHR13:05London Heathrow
15h 35m
1 stop
SEA20:40Seattle/Tacoma Intl
13 Oct
SEA19:00Seattle/Tacoma Intl
17h 20m
1 stop
LHR20:20London Heathrow
£530
Icelandair
26 Sept
LHR21:25London Heathrow
31h 15m
1 stop
SEA20:40Seattle/Tacoma Intl
22 Oct
SEA19:00Seattle/Tacoma Intl
17h 20m
1 stop
LHR20:20London Heathrow
£532

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 22 May 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

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Tue 23/6

09:25-17:10

1 stop15h 45m

Seattle/Tacoma Intl

Tue 30/6

19:10-17:25

1 stop14h 15m

£515

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Fri 19/6

06:15-17:10

1 stop18h 55m

Seattle/Tacoma Intl

Fri 26/6

19:10-16:45

1 stop13h 35m

£518
Fastest return journey

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 12/11

06:20-11:25

1 stop13h 05m

Seattle/Tacoma Intl

Mon 23/11

16:48-10:30

Nonstop9h 42m

£529

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 22/9

13:05-20:40

1 stop15h 35m

Seattle/Tacoma Intl

Tue 13/10

19:00-20:20

1 stop17h 20m

£530

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sat 26/9

21:25-20:40

1 stop31h 15m

Seattle/Tacoma Intl

Thu 22/10

19:00-20:20

1 stop17h 20m

£532

LondonSeattle

LCY - SEA

LCYSEA

London City

Fri 13/11

20:05-11:47

1 stop23h 42m

Seattle/Tacoma Intl

Thu 19/11

06:00-09:30

2 stops19h 30m

£593

LondonSeattle

LCY - SEA

LCYSEA

London City

Wed 24/6

10:00-16:24

1 stop14h 24m

Seattle/Tacoma Intl

Mon 29/6

13:55-09:30

1 stop11h 35m

£611

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 15/10

09:20-16:39

1 stop15h 19m

Seattle/Tacoma Intl

Sun 1/11

14:35-16:35

1 stop18h 00m

£612

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Wed 30/9

15:05-09:31

1 stop26h 26m

Portland

Sun 4/10

23:30-05:55

2 stops22h 25m

£687

LondonPortland

LHR - PDX

LHRPDX

London Heathrow

Mon 31/8

19:30-23:22

2 stops35h 52m

Portland

Wed 30/9

10:43-09:40

1 stop14h 57m

£690

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 £296.

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 Thursday. Travellers who choose to depart for State of Washington on a Thursday will often find tickets for as low as £602. 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 £677.

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 £603 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 £641.

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 £583 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 £523 on momondo.

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

There are 4 cabin classes available to choose from on United Kingdom to State of 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?

No. A direct flight is the cheapest option for a flight between United Kingdom to State of Washington.

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

£551

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 £551. The best return flight deal from United Kingdom to State of Washington found on momondo in the last 72 hours is £563.
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
8,019 reviews
Search Lufthansa flights
IcelandairPriceFrom £341Free CancellationRating
7.0
657 reviews
Search Icelandair flights
British AirwaysPriceFrom £362Free CancellationRating
6.7
7,995 reviews
Search British Airways flights
KLMPriceFrom £373Free CancellationRating
7.8
1,519 reviews
Search KLM flights
Aer LingusPriceFrom £417Free CancellationRating
7.3
1,578 reviews
Search Aer Lingus flights
Virgin AtlanticPriceFrom £427Free CancellationRating
7.5
689 reviews
Search Virgin Atlantic flights
Scandinavian AirlinesPriceFrom £441Free CancellationRating
7.4
1,784 reviews
Search Scandinavian Airlines flights
Air FrancePriceFrom £450Free CancellationRating
7.4
1,590 reviews
Search Air France flights
FinnairPriceFrom £461Free CancellationRating
7.7
1,398 reviews
Search Finnair flights
Air CanadaPriceFrom £463Free CancellationRating
7.1
11,076 reviews
Search Air Canada 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
Sun 21/6
Sun 28/6
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 £202
Flights to Orlandofrom £214
Flights to Los Angelesfrom £386
Flights to Miamifrom £367
Flights to San Franciscofrom £418
Flights to Bostonfrom £315
Flights to Washington, D.C.from £120
Flights to Chicagofrom £413
Flights to Las Vegasfrom £378
Flights to Atlantafrom £439
Flights to Dallasfrom £568
Flights to Houstonfrom £515