Cheap flights from Seattle, WA to London, United Kingdom

Flights starting at £359. Choose between Icelandair, Ryanair, or easyJet to find the best price.

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Tips to know when travelling to London

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Travelers usually depart from Seattle–Tacoma International, or Kenmore Air Harbor Seaplane Base when they travel from Seattle to London. Book your trip to arrive at Gatwick, Heathrow, London Stansted, Luton, or London City. The distance between Seattle and London is 7710 km. The most popular airlines for this route are Icelandair, Ryanair, easyJet, Alaska Airlines, and WestJet. Seattle and London have 384 direct flights per week. When you arrive at London, consider visiting St. Paul's Cathedral, Roman Baths, Bath, British Museum, Isle of Wight, Stonehenge, Portsea Island, Tate Modern, Tower of London, Canterbury Cathedral, Natural History Museum, and Avebury.

Weekly direct flights

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

Weekly direct flights for Mon 18.11 - Sun 24.11

AirlineMon 18.11Tue 19.11Wed 20.11Thu 21.11Fri 22.11Sat 23.11Sun 24.11
12------------1
112---313
112---112
---------------------
---2---------------
1------------------
---------------------
1------------------

Weekly direct flights for Mon 25.11 - Sun 01.12

AirlineMon 25.11Tue 26.11Wed 27.11Thu 28.11Fri 29.11Sat 30.11Sun 01.12
2211121
2232212
11---------------
---2---11------
---2---11------
---1---------------
---------------------
---------------------

Weekly direct flights for Mon 02.12 - Sun 08.12

AirlineMon 02.12Tue 03.12Wed 04.12Thu 05.12Fri 06.12Sat 07.12Sun 08.12
1211121
1111212
1---------211
------------1------
------------1------
---------------------
------------1------
------------1------

Weekly direct flights for Mon 09.12 - Sun 15.12

AirlineMon 09.12Tue 10.12Wed 11.12Thu 12.12Fri 13.12Sat 14.12Sun 15.12
1122222
1112111
------------------1
---------------------
------------1------
---------------------
---------------------
---------------------

Check-in for a flight from Seattle to London

NameCarrier codeIATA CodePassport needed during booking
IcelandairICEFIYes
RyanairRYRFRNo
easyJetEZYU2Yes
Alaska AirlinesASAASNo
WestJetWJAWSNo

Weather in London

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January7°C2°C
February8°C3°C
March11°C4°C
April14°C5°C
May17°C8°C
June20°C11°C
July22°C14°C
August22°C14°C
September19°C12°C
October15°C9°C
November10°C6°C
December8°C3°C
Hottest Month
22°C
July
Coldest month
2°C
January
Sunny days
277
days per year
Snow days
3
days per year

14 day forecast

Saturday
23 Nov
94%
13°C3°C
30 Nov
7°C3°C
Sunday
24 Nov
85%
16°C12°C
1 Dec
6°C3°C
Monday
25 Nov
88%
11°C9°C
2 Dec
6°C2°C
Tuesday
26 Nov
67%
10°C7°C
3 Dec
7°C5°C
Wednesday
27 Nov
78%
13°C5°C
4 Dec
8°C7°C
Thursday
28 Nov
7°C5°C
5 Dec
7°C7°C
Friday
29 Nov
8°C4°C
6 Dec
86%
8°C6°C

Frequently asked questions

How long does it take to travel from Seattle to London?
What is the flight distance between Seattle and London?
What airlines offer nonstop (direct) flights between Seattle and London?
What are the most popular routes to and from Seattle?
What are the most popular routes to and from London?
What airports are near Seattle?
Which airlines fly between Seattle and London?
When's the best time to travel between Seattle and London?
What flights operate between Seattle and London?
How many airports are there near Seattle?
What time do nonstop (direct) flights between Seattle and London depart?
What time do nonstop (direct) flights between Seattle and London arrive?
What time do flights between Seattle and London depart?
What time do flights between Seattle and London arrive?

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