Cheap flights from Seattle to Guanacaste

Direct flight: 5,347 km, ~6h 17m from Seattle (SEA) to Guanacaste (LIR).

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Live fares · SEA → LIR

Frequently asked questions

  • How long is the flight from Seattle to Guanacaste?

    Direct flights from SEA to LIR cover approximately 5,347 km (3,322 miles), with an estimated flight time of 6h 17m. Operating airlines: AS.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.

Full route page: SEA → LIR Cheapest month to fly to Guanacaste All flights from Seattle All flights to Guanacaste Flights to Costa Rica Visa-free with USA passport AS routes