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Search flights to Sea-Tac Airport (SEA)

Compare flights from different airlines and book cheap plane tickets with ease

Cheapest flights to Sea-Tac Airport

The cheapest flights available in the next 60 days – prices are updated regularly

Last-minute flights to Sea-Tac Airport

Try different departure airports to find the best price

Airlines that fly to Sea-Tac Airport

Based on flights we've sold recently. Available airlines may vary depending on your search

  • Icelandair logo
    Icelandair
  • Virgin Atlantic logo
    Virgin Atlantic
  • Aer Lingus logo
    Aer Lingus
  • British Airways logo
    British Airways
  • Lufthansa logo
    Lufthansa
  • American Airlines logo
    American Airlines
  • Westjet logo
    Westjet
  • Air Canada logo
    Air Canada
  • United Airlines logo
    United Airlines
  • KLM logo
    KLM
  • Air France logo
    Air France
  • Turkish Airlines logo
    Turkish Airlines
  • Easyjet logo
    Easyjet
  • JetBlue logo
    JetBlue
  • Ryanair logo
    Ryanair
  • Originair logo
    Originair
  • Loganair logo
    Loganair
  • R Airlines logo
    R Airlines
Great selection

Great selection

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No hidden fees

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Flexibility

Flexibility

Use our flexible plane ticket option to change your dates if needed

Flexible plane ticket options are available for an additional cost on selected airfares

Flying to Sea-Tac Airport: things to know

There are 24 airlines that fly from the United Kingdom to Sea-Tac Airport. The most popular route to Sea-Tac Airport is from London Heathrow Airport in London. On average this flight takes 11 hours 51 minutes one way and costs £1,185 for the round trip.

The most popular route

LHR London Heathrow Airport to SEA Sea-Tac Airport

Average flight on the most popular route

11 hours 51 minutes

Average round-trip ticket price

£1,185

Fly from the United Kingdom to Sea-Tac Airport

24 airlines
A beautiful view of Seattle serviced by Sea-Tac Airport.

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