Cheap flights from Houston to Ontario

Direct flight: 2,142 km, ~2h 31m from Houston (IAH) to Ontario (ONT).

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Live fares · IAH → ONT

Frequently asked questions

  • How long is the flight from Houston to Ontario?

    Direct flights from IAH to ONT cover approximately 2,142 km (1,331 miles), with an estimated flight time of 2h 31m. Operating airlines: F9, UA.

Related guides for this route

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

Full route page: IAH → ONT Cheapest month to fly to Ontario All flights from Houston All flights to Ontario Flights to USA Visa-free with USA passport F9 routes UA routes