AirHint found the following cheapest return flights from Austin (AUS) to Sydney (SYD) in November 2025 (see full year).
Return flights
| 13 Nov - 26 Nov | American Airlines | ||
| 29 Nov - 09 Dec | American Airlines | ||
| 28 Nov - 05 Dec | United | ||
| 24 Nov - 01 Dec | United |
Also check the deals for one-way flights from Austin to Sydney in November.
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