Flights from Seattle (SEA) to London (LHR)

Route intelligence for SEA → LHR: direct flights, stopover options, and timetable coverage in one place.

Show route on mapAll flights from SEAAll flights to LHR

Direct flights

8 direct option(s) across 8 airline(s) · 7,702 km route distance.

  • American Airlines · 617 min · 7702 km
  • Air France · 617 min · 7702 km
  • Finnair · 617 min · 7702 km
  • British Airways · 617 min · 7702 km
  • Delta Air Lines · 617 min · 7702 km
  • Iberia Airlines · 617 min · 7702 km
  • KLM Royal Dutch Airlines · 617 min · 7702 km
  • Virgin Atlantic Airways · 617 min · 7702 km

Explore these airlines on this city pair

Open each airline route-map page to compare broader network depth before committing to a nonstop or one-stop strategy.

American Airlines route map →Air France route map →Finnair route map →British Airways route map →Delta Air Lines route map →Iberia Airlines route map →

Stopover options

  • 1 stop(s) · 12h 58m · SEA → LHR
  • 1 stop(s) · 12h 58m · SEA → LHR
  • 1 stop(s) · 12h 58m · SEA → LHR
  • 1 stop(s) · 12h 1m · SEA → LHR
  • 1 stop(s) · 12h 1m · SEA → LHR
  • 1 stop(s) · 12h 1m · SEA → LHR
  • 1 stop(s) · 12h 1m · SEA → LHR
  • 1 stop(s) · 12h 1m · SEA → LHR
  • 1 stop(s) · 12h 1m · SEA → LHR
  • 1 stop(s) · 12h 4m · SEA → LHR
  • 1 stop(s) · 12h 4m · SEA → LHR
  • 1 stop(s) · 12h 4m · SEA → LHR

Timetable coverage

Published flight numbers: AA6909, AS5272, AY5450, BA52, EI8752, IB3508, AF9905, DL5974, KL4829, VS106, AF3607, AA6907, AS5270, AY5448, BA48, EI8748, IB3506, AF3603, DL20, KL6021 …

Flight number: AA 6909

Operating days: 1, 2, 3, 4, 5, 6, 7

  • SEA 13:35 → LHR 06:50

Plan this city pair

Compare nearby alternatives and airline networks to decide whether a direct trip, one-stop connection, or reverse search gives you better options.

Explore all departures from SEA →Explore all arrivals to LHR →Compare airline network coverage →Browse airports by country →

Route planning checklist

  • Compare direct duration with one-stop total duration before committing to a fare.
  • Check inbound alternatives on flights to LHR when return timing is important.
  • Use Guides for alliance and hub strategy playbooks.
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