Direct Flights from Seattle to London
London · United Kingdom
Nonstop service from SEA to LHR on Alaska, British Airways, Delta, Virgin Atlantic. Here's the schedule at a glance — plus what to do once you land.
How rare is this nonstop?
30 cities have a nonstop to London, Seattle among them.
How long to go to London for, from Seattle
10h 5m in the air, 4,786 miles. Give London a week: the first day goes to the journey and the jet lag, whatever you intend.
About London
Vibrant and truly multicultural, London is a megalopolis of people, ideas and frenetic energy. The capital and largest city of the United Kingdom sits on the River Thames in South-East England. Greater London has a population of a little over 9 million. Considered one of the world's leading "global cities", London remains an international capital of culture, music, education, fashion, politics, finance and trade.
Summary from Wikivoyage (CC BY-SA).
Top things to do in London
- The British Museum is a public museum dedicated to human history, art and culture located in the Bloomsbury area of London. Its permanent collection of eight million works is the largest in the world.
- Buckingham Palace is a royal residence and the administrative headquarters of the monarch of the United Kingdom in London, England.
- Westminster Abbey, formally titled the Collegiate Church of Saint Peter at Westminster, is an Anglican church in the City of Westminster, London, England.
- The Tower of London, officially His Majesty's Royal Palace and Fortress of the Tower of London, is a historic citadel and castle on the north bank of the River Thames in London, England.
- Big Ben is the nickname for the Great Bell of the Great Clock of Westminster, and, by extension, for the clock tower that stands at the north end of the Palace of Westminster in London, England.
- The London Eye, originally the Millennium Wheel, is a cantilevered observation wheel on the South Bank of the River Thames in London.
- St Paul's Cathedral, formally the Cathedral Church of St Paul in London, is an Anglican cathedral in London, England, the seat of the Bishop of London.
- The National Gallery is an art museum in Trafalgar Square in the City of Westminster, in Central London, England.
- Madame Tussauds is a wax museum founded in London in 1835 by the French wax sculptor Marie Tussaud. One of the early main attractions was the Chamber of Horrors, which appeared in advertising in 1843.
- Hyde Park is a 350-acre (140-hectare), historic Grade I-listed urban park in Westminster, Greater London.
- The Royal Observatory, Greenwich is an observatory situated on a hill in Greenwich Park in south east London, overlooking the River Thames to the north.
- The Victoria and Albert Museum in the United Kingdom is the world's largest museum of applied arts, decorative arts and design, housing a permanent collection of over 2.8 million objects.
Attraction descriptions from Wikipedia (CC BY-SA); place data from Wikidata (CC0).
London weather, compared with Seattle
Within 1° of Seattle on the annual average, so pack much as you would at home — but the two cities do not track each other month to month:
- January
- London 47°F · Seattle 47°F · much the same
- April
- London 59°F · Seattle 58°F · much the same
- July
- London 75°F · Seattle 77°F · 2° colder
- October
- London 60°F · Seattle 60°F · much the same
Average daily highs, 1991–2020 station normals from Meteostat (CC BY 4.0), measured at each city's airport.
Planning a trip to London
- Best time to visit
- The best time to visit London is May–October, when daytime highs are a comfortable 60–75°F.
- How long to stay
- London rewards a longer visit — a full week lets you explore its many sights, from British Museum, Buckingham Palace, and Westminster Abbey and beyond.
Frequently asked questions
- Is there a direct flight from Seattle to London?
- Yes — you can fly nonstop from Seattle (SEA) to London (LHR) on Alaska, British Airways, Delta, Virgin Atlantic.
- Which airlines fly nonstop from Seattle to London?
- Alaska, British Airways, Delta, Virgin Atlantic fly nonstop between Seattle (SEA) and London (LHR).
- How many nonstop flights are there from Seattle to London?
- There are about 3 nonstop departures per day (roughly 21 per week) from Seattle to London.
- How far is London from Seattle?
- London is about 4,786 miles from Seattle by air.
- Is there a direct flight from Seattle to United Kingdom?
- Yes — London (LHR) has nonstop service from Seattle on Alaska, British Airways, Delta, Virgin Atlantic, making it a nonstop gateway to United Kingdom.
- What is there to do in London?
- Popular things to do include British Museum, Buckingham Palace, Westminster Abbey, Tower of London, and more.
More nonstop destinations from Seattle near London
Airports near Seattle
The closest other departure airports to Seattle — each opens up more nonstop destinations.