Cheap flights from Seattle to United Kingdom
Travel > Europe > United Kingdom
Travel tip: Big Ben is great!Check our current prices for flights from Seattle to United Kingdom. Please note that we also give you historical search data for this city connection. These are all airfares that people found in the past, in order to find more current flight information from Seattle to United Kingdom, you will need to run a search below.
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Cheap London airfares from $736/RT are provided by Cheapoair.com. Outbound flight is leaving on 05/12/2025, 02:55 pm from Seattle/tacoma Sea/tac (SEA) airport and arrives at London Heathrow (LHR) at 01:20 pm. The flight time is 22 hours and 25 minutes. The Returning flight departes on 05/29/2025, 06:30 am (other return dates are also available). Date posted: 07 Jan 2025
Price evolution for flights From Seattle To United Kingdom

Recent Deals on Flights from Seattle to United Kingdom:Roundtrip / Oneway
- $736
Lufthansa
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) London, GB (LHR) 05/12/2025 02:55 pm London, GB (LHR) Seattle, WA (SEA) 05/29/2025 06:30 am - $738
British Airways
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Glasgow, GB (GLA) 03/19/2025 07:50 pm Glasgow, GB (GLA) Seattle, WA (SEA) 04/02/2025 07:05 am - $738
British Airways
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Glasgow, GB (GLA) 04/02/2025 01:30 pm Glasgow, GB (GLA) Seattle, WA (SEA) 04/08/2025 07:05 am - $754
British Airways
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) Glasgow, GB (GLA) 04/22/2025 01:30 pm Glasgow, GB (GLA) Seattle, WA (SEA) 05/06/2025 01:35 pm - $759
British Airways
cheapoair.com check priceFrom To Departure Time Seattle, WA (SEA) London, GB (LHR) 05/12/2025 01:30 pm London, GB (LHR) Seattle, WA (SEA) 05/29/2025 09:50 am - We are sorry but currently there are no oneway offers for flights from Seattle to United Kingdom.
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London Travel Guide Home of kings and queens, a place of dreams and opulence, London is one of the biggest destinations in Europe. It has everything you would expect in a big metropolis and more. It has amazing architecture, great museums and attractions, [...]London History Visitors from around the world are magnetized by the city’s magnificent architectural structure and rich history. Being a major financial capital and center of commerce, music, fashion trends, entertainment and music is what makes London an [...]
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