Cheap flights from San Francisco to Houston

Direct flight: 2,629 km, ~3h 6m from San Francisco (SFO) to Houston (IAH).

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Live fares · SFO → IAH

Frequently asked questions

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

    Direct flights from SFO to IAH cover approximately 2,629 km (1,634 miles), with an estimated flight time of 3h 6m. Operating airlines: UA.

Related guides for this route

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

Full route page: SFO → IAH Cheapest month to fly to Houston All flights from San Francisco All flights to Houston Flights to USA Visa-free with USA passport UA routes