Direct flights from London to Seattle (LHR → SEA)
Distance 7,703 km (4,786 mi)
Est. duration 9h 4m
Destination overview
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Destination
Seattle, USA
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Continent
north-america
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Airlines
4 on this route
Tips for London to Seattle
- Book 6-8 weeks ahead for the best fares on the LHR to SEA route.
- Tuesday and Wednesday departures are typically 15-20% cheaper.
- This is a long-haul flight (~9h 4m). Consider comfort upgrades or stopover options.
- Compare 4 airlines on this route: AS, BA, DL, VS.
- Check visa requirements for your destination well in advance.