Cheap flights from Seattle to London from CA$434

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1 stop
Tue, May 13
Seattle SEALondon LHR

CA$434
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1 stop
Tue, May 13
Seattle SEALondon LHR

CA$434
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1 stop
Tue, May 13
Seattle SEALondon LHR

CA$434
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1 stop
Wed, May 7
Seattle SEALondon LGW

CA$462
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1 stop
Wed, May 7
Seattle SEALondon LGW

CA$462
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1 stop
Wed, May 7
Seattle SEALondon LGW

CA$462
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Prices updated:

1 stop
Tue, May 13 – Fri, May 16
Seattle SEALondon LHR

CA$943
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1 stop
Tue, May 13 – Fri, May 16
Seattle SEALondon LHR

CA$943
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1 stop
Sun, May 11 – Wed, May 14
Seattle SEALondon LHR

CA$958
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1 stop
Sun, May 11 – Wed, May 14
Seattle SEALondon LHR

CA$958
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1 stop
Mon, May 12 – Fri, May 16
Seattle SEALondon LGW

CA$999
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1 stop
Sun, May 11 – Thu, May 15
Seattle SEALondon LGW

CA$1,022
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Prices updated:

Key info about flying to London

Depart from
Seattle–Tacoma International
Arrive to
Heathrow
Average flights per week
400
Flight distance
7710 km
Worth visiting
Roman Baths, Bath - Avebury - St. David's Cathedral, Cardiff - Tintern Abbey, United Kingdom - St Fagans: National History Museum - Portsea Island - Natural History Museum - Tower of London - British Museum - Canterbury Cathedral - Stonehenge - St. Paul's Cathedral - Tate Modern - Isle of Wight

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 chart.

AirlineSun 13.04Mon 14.04Tue 15.04Wed 16.04Thu 17.04Fri 18.04Sat 19.04
4422332
2222121
---2------2---2
11111------
12------1---1
---2------1------
------------1---1
------------1------
Weekly flights: 54 totalDaily flights: 7.71 averageMost flights: Sunday 4 flights
AirlineSun 20.04Mon 21.04Tue 22.04Wed 23.04Thu 24.04Fri 25.04Sat 26.04
2212222
2122322
2------------------
2---1------------
2------------------
2------------------
---------2---------
---------------------
Weekly flights: 38 totalDaily flights: 5.43 averageMost flights: Thursday 3 flights
AirlineSun 27.04Mon 28.04Tue 29.04Wed 30.04Thu 01.05Fri 02.05Sat 03.05
2222222
2211321
---------------------
---------------------
---------------------
---------------------
---------------------
---------------------
Weekly flights: 26 totalDaily flights: 3.71 averageMost flights: Thursday 3 flights
AirlineSun 04.05Mon 05.05Tue 06.05Wed 07.05Thu 08.05Fri 09.05Sat 10.05
2222222
2221321
---------------------
---------------------
---------------1---
---------------1---
---------------------
---------------------
Weekly flights: 29 totalDaily flights: 4.14 averageMost flights: Thursday 3 flights

Check-in for a flight from Seattle to London

NameCarrier codeIATA CodePassport needed during booking
IcelandairICEFINo
RyanairRYRFRNo
British AirwaysBAWBANo
Alaska AirlinesASAASNo
Virgin Atlantic AirwaysVIRVSYes

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
278
days per year
Snow days
3
days per year

14 day forecast

Saturday
19 Apr
14°C8°C
26 Apr
11°C3°C
Sunday
20 Apr
15°C6°C
27 Apr
13°C4°C
Monday
21 Apr
86%
13°C8°C
28 Apr
77%
16°C7°C
Tuesday
22 Apr
87%
16°C7°C
29 Apr
16°C9°C
Wednesday
23 Apr
88%
10°C9°C
30 Apr
18°C7°C
Thursday
24 Apr
10°C7°C
1 May
20°C10°C
Friday
25 Apr
10°C6°C
2 May
20°C11°C
Book your trip to arrive at Heathrow, Gatwick, 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, British Airways, Alaska Airlines, and Virgin Atlantic Airways. Seattle and London have 400 direct flights per week. When you arrive at London, consider visiting Roman Baths, Bath, Avebury, St. David's Cathedral, Cardiff, Tintern Abbey, United Kingdom, St Fagans: National History Museum, Portsea Island, Natural History Museum, Tower of London, British Museum, Canterbury Cathedral, Stonehenge, St. Paul's Cathedral, Tate Modern, and Isle of Wight.

Frequently asked questions

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What airlines offer nonstop (direct) flights between Seattle and London?
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