Cheap flights from Houston to San Diego

Direct flight: 2,094 km, ~2h 28m from Houston (IAH) to San Diego (SAN).

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Live fares · IAH → SAN

Frequently asked questions

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

    Direct flights from IAH to SAN cover approximately 2,094 km (1,301 miles), with an estimated flight time of 2h 28m. Operating airlines: UA.

Related guides for this route

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

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