Search flights from London (LON) to Seattle (SEA)
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Cheapest flights to Seattle
The cheapest flights available in the next 60 days – prices are updated regularly
- Mon 20 OctUS$609.16One wayEconomy1 traveller
- Tue 21 OctUS$610.87One wayEconomy1 traveller
- Wed 22 OctUS$610.88One wayEconomy1 traveller
Flying from London to Seattle: things to know
The most popular route is from London Heathrow Airport in London to Sea-Tac Airport in Seattle. On average this flight takes 11 hours 45 minutes one way and costs US$1,690 for the round trip.
Most popular route | London Heathrow Airport (LHR) to Sea-Tac Airport (SEA) |
|---|---|
Average flight time | 11 hours 45 minutes |
Average round-trip price | US$1,690 |
Fly from London to Seattle | 24 airlines |
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Airlines that fly from London to Seattle
Airline options may vary according to recently booked flights and your search terms
Icelandair
Virgin Atlantic
British Airways
Aer Lingus
Iberia
Westjet
American Airlines
Lufthansa
Air Canada
United Airlines
Scandinavian Airlines
KLM
Turkish Airlines
Air France
JetBlue
Finnair
Frequently asked questions
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