Cheap flights from Houston to Sydney

Direct flight: 13,835 km, ~16h 17m from Houston (IAH) to Sydney (SYD).

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Live fares · IAH → SYD

Frequently asked questions

  • How long is the flight from Houston to Sydney?

    Direct flights from IAH to SYD cover approximately 13,835 km (8,597 miles), with an estimated flight time of 16h 17m. Operating airlines: UA.

Related guides for this route

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

Full route page: IAH → SYD Cheapest month to fly to Sydney All flights from Houston All flights to Sydney Flights to Australia Visa-free with USA passport UA routes