Cheap flights from Guanacaste to San Francisco

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

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Live fares · LIR → SFO

Frequently asked questions

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

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