Cheap flights from San Francisco to Guanacaste

Direct flight: 4,744 km, ~5h 35m from San Francisco (SFO) to Guanacaste (LIR).

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Live fares · SFO → LIR

Frequently asked questions

  • How long is the flight from San Francisco to Guanacaste?

    Direct flights from SFO to LIR cover approximately 4,744 km (2,948 miles), with an estimated flight time of 5h 35m. Operating airlines: AS, UA.

Related guides for this route

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

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