AirHint found the following cheapest return flights from Houston (HOU) to Sydney (SYD) in March 2026 (see full year).
Return flights
| 06 Mar - 27 Mar | Air New Zealand | ||
| 23 Mar - 30 Mar | Air New Zealand | ||
| 31 Mar - 17 Apr | Air Canada | ||
| 02 Mar - 15 Mar | United | ||
| 14 Mar - 31 Mar | United | ||
| 06 Mar - 27 Mar | United | direct |
Also check the deals for one-way flights from Houston to Sydney in March.
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