Cheap flights from London, United Kingdom to Seattle, WA

Flights starting at $370. Choose between Alaska Airlines, Iberia Airlines, or JetBlue Airways to find the best price.

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Travelers usually depart from Gatwick, Heathrow, Luton, London Stansted, or London City when they travel from London to Seattle. Book your trip to arrive at Seattle–Tacoma International, Kenmore Air Harbor Seaplane Base, Seattle, WA - University of Washington, or Seattle WA - South Lane St. Bus Stop. The distance between London and Seattle is 7710 km. The most popular airlines for this route are Alaska Airlines, Iberia Airlines, JetBlue Airways, easyJet, and French Bee. London and Seattle have 309 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 Sun 25.02 - Sat 02.03

AirlineSun 25.02Mon 26.02Tue 27.02Wed 28.02Thu 29.02Fri 01.03Sat 02.03
------22124
---221---12
------21112
---111---------

Weekly direct flights for Sun 03.03 - Sat 09.03

AirlineSun 03.03Mon 04.03Tue 05.03Wed 06.03Thu 07.03Fri 08.03Sat 09.03
2242211
1221212
1121212
11---1------1

Weekly direct flights for Sun 10.03 - Sat 16.03

AirlineSun 10.03Mon 11.03Tue 12.03Wed 13.03Thu 14.03Fri 15.03Sat 16.03
---222423
1221222
------2---------1
---------------1---

Weekly direct flights for Sun 17.03 - Sat 23.03

AirlineSun 17.03Mon 18.03Tue 19.03Wed 20.03Thu 21.03Fri 22.03Sat 23.03
2242422
2222122
---------------------
1------11---1

Check-in for a flight from London to Seattle

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Alaska AirlinesASAASNoOpens 24 days before flight
Closes 1 hours before flight
Iberia AirlinesIBEIBYesOpens 24 days before flight
Closes 3 hours before flight
JetBlue AirwaysJBUB6NoOpens 24 days before flight
Closes 2 hours before flight
easyJetEZYU2NoOpens 720 days before flight
Closes 2 hours before flight
French BeeFBUBFNo0
0

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
250
days per year
Snow days
5
days per year

14 day forecast

Sunday
25 Feb
98%
9°C3°C
3 Mar
8°C0°C
Monday
26 Feb
93%
6°C0°C
4 Mar
87%
5°C1°C
Tuesday
27 Feb
87%
4°C-1°C
5 Mar
89%
7°C4°C
Wednesday
28 Feb
77%
8°C4°C
6 Mar
89%
7°C3°C
Thursday
29 Feb
81%
6°C2°C
7 Mar
84%
7°C1°C
Friday
1 Mar
74%
8°C1°C
8 Mar
79%
9°C2°C
Saturday
2 Mar
86%
6°C0°C
9 Mar
86%
10°C4°C

Frequently asked questions

How long does it take to travel from London to Seattle?
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?
What buses and trains depart from London?
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?
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Is it possible to reach London by bus or train?
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What time do flights between London and Seattle depart?
What time do flights between London and Seattle arrive?

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