AirHint found the following cheapest return flights from San Diego (SAN) to Melbourne (MEL) in December 2025 (see full year).
Return flights
| 05 Dec - 07 Dec | Air New Zealand | ||
| 14 Dec - 27 Dec | United | ||
| 11 Dec - 02 Jan | Air New Zealand |
Also check the deals for one-way flights from San Diego to Melbourne in December.
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