AirHint found the following cheapest return flights from Chongqing (CKG) to Sydney (SYD) in December 2025 (see full year).
Return flights
| 12 Dec - 15 Dec | China Southern | ||
| 11 Dec - 14 Dec | Air China | ||
| 15 Dec - 22 Dec | Air China | ||
| 19 Dec - 26 Dec | Air China | ||
| 10 Dec - 17 Dec | China Southern | ||
| 12 Dec - 19 Dec | China Southern |
Also check the deals for one-way flights from Chongqing to Sydney in December.
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