Cheap flights from London, United Kingdom to Seattle, WA

Flights starting at £483. Choose between WestJet, Ryanair, or Icelandair to find the best price.

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Tips to know when travelling to Seattle

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Travelers usually depart from Gatwick, Heathrow, London Stansted, Luton, or London City when they travel from London to Seattle. Book your trip to arrive at Seattle–Tacoma International, or Kenmore Air Harbor Seaplane Base. The distance between London and Seattle is 7710 km. The most popular airlines for this route are WestJet, Ryanair, Icelandair, Alaska Airlines, and easyJet. London and Seattle have 345 direct flights per week.

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 table.

Weekly direct flights for Mon 22.07 - Sun 28.07

AirlineMon 22.07Tue 23.07Wed 24.07Thu 25.07Fri 26.07Sat 27.07Sun 28.07
---234424
1212222
---1---11---1
---111111

Weekly direct flights for Mon 29.07 - Sun 04.08

AirlineMon 29.07Tue 30.07Wed 31.07Thu 01.08Fri 02.08Sat 03.08Sun 04.08
---432221
1222222
2221211
111------11

Weekly direct flights for Mon 05.08 - Sun 11.08

AirlineMon 05.08Tue 06.08Wed 07.08Thu 08.08Fri 09.08Sat 10.08Sun 11.08
2222211
2222222
2111121
11------111

Weekly direct flights for Mon 12.08 - Sun 18.08

AirlineMon 12.08Tue 13.08Wed 14.08Thu 15.08Fri 16.08Sat 17.08Sun 18.08
2221222
2222222
1121211
1---11------1

Check-in for a flight from London to Seattle

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
WestJetWJAWSNoOpens 24 days before flight
Closes 1 hours before flight
RyanairRYRFRNoOpens 24 days before flight
Closes 2 hours before flight
IcelandairICEFIYesOpens 24 days before flight
Closes 1 hours before flight
Alaska AirlinesASAASNoOpens 24 days before flight
Closes 1 hours before flight
easyJetEZYU2NoOpens 720 days before flight
Closes 2 hours before flight

Seattle travel tips

1) Check out helpful electric cars at the airport in Seattle
2) Is the Olympic Sculpture Park cool or weird? You are to check
3) Have a go with craft beer in Seattle

Weather in Seattle

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January7°C2°C
February8°C1°C
March10°C3°C
April13°C4°C
May18°C8°C
June21°C10°C
July25°C13°C
August26°C14°C
September22°C11°C
October15°C7°C
November10°C4°C
December6°C1°C
Hottest Month
26°C
August
Coldest month
1°C
February
Sunny days
251
days per year
Snow days
5
days per year

14 day forecast

Tuesday
16 Jul
31°C14°C
23 Jul
23°C11°C
Wednesday
17 Jul
31°C15°C
24 Jul
26°C9°C
Thursday
18 Jul
31°C14°C
25 Jul
19°C11°C
Friday
19 Jul
29°C12°C
26 Jul
23°C12°C
Saturday
20 Jul
29°C13°C
27 Jul
25°C10°C
Sunday
21 Jul
27°C13°C
28 Jul
24°C12°C
Monday
22 Jul
27°C12°C
29 Jul
29°C11°C

Frequently asked questions

What is the flight distance between London and Seattle?
What airlines offer nonstop (direct) flights between London and Seattle?
What are the most popular routes to and from London?
What are the most popular routes to and from Seattle?
Which airports are there in London?
What airports are near London?
What airports are near Seattle?
Is it possible to combine flights, buses, and trains in one itinerary when traveling between London and Seattle?
What is Virtual Interlining and how do I use it?
Which airlines fly between London and Seattle?
When's the best time to travel between London and Seattle?
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?

The nearest countries with flights to Seattle

Here is a list of countries people are flying from

Other destination countries from London

Here is a list of countries people are flying to
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