Route dossier

Seattle to London

Seattle–Tacoma International Airport (SEA) to London Heathrow Airport (LHR)

⇄ Reverse (LHR → SEA) + Add to a trip

The essentials

Straight-line distance7,702 km4,786 miles · great-circle
Estimated flight time9h 38mAt 800 km/h cruise. Scheduled times run longer.
Direct flights? Yes 8 airlines in our data
Time difference +8 hours London is 8 hours ahead of Seattle (UTC−7 → UTC+1)

Airlines listed on SEA → LHR

  • AF Air France
  • AA American Airlines
  • BA British Airways
  • DL Delta Air Lines
  • AY Finnair
  • IB Iberia Airlines
  • KL KLM Royal Dutch Airlines
  • VS Virgin Atlantic Airways

Route map

Weather: Seattle vs London

Seattle SEA

London LHR

Money: USD ↔ GBP

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Country dossier

United States

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 Country dossier

United Kingdom

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