AirHint found the following cheapest one-way flights from Houston (IAH) to Sydney (SYD) in March 2026 (see full year).
One-Way flights
| 07 Mar | Frontier Airlines | ||
| 27 Mar | Frontier Airlines | ||
| 10 Mar | Qantas | ||
| 01 Mar | United | direct | |
| 10 Mar | United | direct | |
| 07 Mar | United | direct |
Also check the deals for return flights from Houston to Sydney in March.
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