AirHint found the following cheapest return flights from Cardiff (CWL) to Shanghai (SHA) in December 2025 (see full year).
Return flights
| 13 Dec - 23 Dec | Vueling Airlines | ||
| 13 Dec - 20 Dec | Air France | ||
| 13 Dec - 07 Jan | Air France |
Also check the deals for one-way flights from Cardiff to Shanghai in December.
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