Cheap flights from London to Seattle from £367

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1 stop
Wed, Oct 8
London LGWSeattle SEA
£367
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1 stop
Tue, Oct 7
London LGWSeattle SEA
£377
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1 stop
Tue, Oct 7
London LGWSeattle SEA
£377
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1 stop
Thu, Oct 9
London LGWSeattle SEA
£386
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1 stop
Sat, Oct 11
London LGWSeattle SEA
£397
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1 stop
Thu, Oct 9
London LGWSeattle SEA
£400
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1 stop
Thu, Oct 9 – Mon, Oct 13
London LHRSeattle SEA
£450
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1 stop
Thu, Oct 9 – Tue, Oct 14
London LHRSeattle SEA
£457
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1 stop
Thu, Oct 9 – Mon, Oct 13
London LHRSeattle SEA
£467
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1 stop
Thu, Oct 9 – Tue, Oct 14
London LGWSeattle SEA
£472
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1 stop
Thu, Oct 9 – Tue, Oct 14
London LHRSeattle SEA
£479
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1 stop
Mon, Oct 13 – Sat, Oct 18
London LGWSeattle SEA
£483
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How much do flights to Seattle cost?

Cheapest one-way trip

£367

Cheapest nonstop round-trip

£520

Cheapest round-trip

£450

Average round-trip

£555

Includes rare itinerary

Travel hack

Key info about flying to Seattle

Depart from
Heathrow
Arrive to
Seattle–Tacoma International
Average flights per week
400
Flight distance
7710 km
Worth visiting
Lulu Island

Weekly direct flights

Discover the top airlines offering direct flights from London to Seattle in the next month. You’ll find the number of daily direct flights per airline in the chart.

AirlineMon 15.09Tue 16.09Wed 17.09Thu 18.09Fri 19.09Sat 20.09Sun 21.09
Air France
------2---22---
KLM Royal Dutch Airlines
22---2------2
Virgin Atlantic Airways
---------------------
Weekly flights: 14 totalDaily flights: 2 averageMost flights: Wednesday 2 flights
AirlineMon 22.09Tue 23.09Wed 24.09Thu 25.09Fri 26.09Sat 27.09Sun 28.09
Air France
------22211
KLM Royal Dutch Airlines
22---2222
Virgin Atlantic Airways
---------------1---
Weekly flights: 21 totalDaily flights: 3 averageMost flights: Wednesday 2 flights
AirlineMon 29.09Tue 30.09Wed 01.10Thu 02.10Fri 03.10Sat 04.10Sun 05.10
Air France
221222---
KLM Royal Dutch Airlines
1122222
Virgin Atlantic Airways
------1---1------
Weekly flights: 25 totalDaily flights: 3.57 averageMost flights: Monday 2 flights
AirlineMon 06.10Tue 07.10Wed 08.10Thu 09.10Fri 10.10Sat 11.10Sun 12.10
Air France
---2---2---------
KLM Royal Dutch Airlines
2---2---222
Virgin Atlantic Airways
---------------------
Weekly flights: 14 totalDaily flights: 2 averageMost flights: Tuesday 2 flights

Check-in for a flight from London to Seattle

NameCarrier codeIATA CodePassport needed during booking
WestJetWJAWSNo
Alaska AirlinesASAASNo
RyanairRYRFRNo
Hawaiian AirlinesHALHANo
IcelandairICEFINo

Online check-in is not available for these airlines.

Weather in Seattle

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January7°C2°C
February8°C1°C
March10°C3°C
April13°C5°C
May18°C8°C
June21°C10°C
July25°C13°C
August25°C14°C
September22°C11°C
October15°C7°C
November10°C4°C
December6°C2°C
Hottest Month
25°C
August
Coldest month
1°C
February
Sunny days
253
days per year
Snow days
5
days per year

14 day forecast

Saturday
20 Sep
25°C13°C
27 Sep
25°C11°C
Sunday
21 Sep
17°C14°C
28 Sep
25°C12°C
Monday
22 Sep
22°C11°C
29 Sep
81%
22°C15°C
Tuesday
23 Sep
23°C9°C
30 Sep
80%
24°C14°C
Wednesday
24 Sep
24°C10°C
1 Oct
83%
19°C14°C
Thursday
25 Sep
20°C10°C
2 Oct
21°C12°C
Friday
26 Sep
24°C9°C
3 Oct
86%
14°C10°C

Seattle travel tips

Check out helpful electric cars at the airport in Seattle

There are special electric cars at the Seattle-Tacoma International Airport that can assist you in any situation, drive you to your train, or help if you are lost. Such a gimmick aims to help passengers in different situations. In case you are lost at the airport in Seattle, the helpful e-car will save you. Cool, isn’t it?

Is the Olympic Sculpture Park cool or weird? You are to check

The Olympic Sculpture Park is considered to be a real artwork in Seattle. The admission is free, and it’s open for visitors all year round — locals and guests of the city like to spend time here. You can wander among installations and take nice instagrammable photos. The most prominent sculptures are the Eye Benches and Seattle Cloud Cover, a glass bridge. Come to check out the place!

Have a go with craft beer in Seattle

One more thing what Seattle is good at is beer. The city entered a craft beer game a long time ago, and now it’s on the latest wave. We recommend sampling some beer in Holy Mountain Brewery, though in other breweries, beer also rocks! Just taste it!

Travelers usually depart from Heathrow, Gatwick, London Stansted, Luton, or London City when they travel from London to Seattle. Book your trip to arrive at Seattle–Tacoma International, Kenmore Air Harbor Seaplane Base, or Boeing Field. The distance between London and Seattle is 7710 km. The most popular airlines for this route are WestJet, Alaska Airlines, Ryanair, Hawaiian Airlines, and Icelandair. London and Seattle have 400 direct flights per week.

Frequently asked questions

What is the flight distance between London and Seattle?
The flight distance between London and Seattle is 7710 km.
What airlines offer nonstop (direct) flights between London and Seattle?
Several carriers operate flights between London and Seattle. Airlines offering nonstop (direct) flights include Air France, Virgin Atlantic Airways, KLM Royal Dutch Airlines.
What are the most popular routes to and from London?
Travelers frequently search for route combinations, such as London and Istanbul, Barcelona, Tirana, Jeddah, Athens, Paris, Lisbon, Bucharest, Rome, Prague, Málaga, Milan, Budapest, Amsterdam, Tel Aviv, Antalya, Larnaca, Madrid, Marrakesh, Faro.
What are the most popular routes to and from Seattle?
Travelers frequently search for route combinations, such as Seattle and Mexico City, Las Vegas, New York, Phoenix, Dallas, Guadalajara, Los Angeles, Houston, San Diego, Denver, Edinburgh, Chicago, San Francisco, Manchester, Boston, Atlanta, Santa Ana, Calgary, Austin, Washington, D.C..
Which airports are there in London?
London is mainly served by Gatwick. But there are other airports nearby, including Heathrow, London Stansted, Luton, London City, London Southend, RAF Northolt.
What airports are near London?
The main airport in London is Gatwick. It is also served by Birmingham, Bristol, East Midlands, Cardiff, Exeter, Southampton, Bournemouth, Norwich, Humberside.
What airports are near Seattle?
The main airport in Seattle is Seattle–Tacoma International. It is also served by Vancouver International, Portland International, Abbotsford International, Bellingham International, Paine Field Everett, Vancouver Harbour Flight Centre, Yakima Air Terminal, Victoria Inner Harbour SPB, Pangborn Memorial.
Which airlines fly between London and Seattle?
Currently, you can fly between London and Seattle with WestJet, Alaska Airlines, Ryanair, Hawaiian Airlines, Icelandair.
When’s the best time to travel between London and Seattle?
If you don’t have specific dates for your trip between London and Seattle, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.
What flights operate between London and Seattle?
How many airports are there near London?
How many airports are there near Seattle?
What time do nonstop (direct) flights between London and Seattle depart?
What time do nonstop (direct) flights between London and Seattle arrive?
What time do flights between London and Seattle depart?
What time do flights between London and Seattle arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any origin and destination in the world by plane. Find the cheapest routes and best deals, as well as the best dates to travel.

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