AirHint found the following cheapest return flights from Cardiff (CWL) to Budapest (BUD) in December 2025 (see full year).
Return flights
| 16 Dec - 19 Dec | TUI | ||
| 12 Dec - 15 Dec | Ryanair | ||
| 10 Dec - 13 Dec | Ryanair | ||
| 12 Dec - 14 Dec | Ryanair | ||
| 06 Dec - 09 Dec | Ryanair | ||
| 27 Dec - 30 Dec | Vueling Airlines | ||
| 25 Dec - 02 Jan | TUI | ||
| 28 Dec - 29 Dec | TUI |
Also check the deals for one-way flights from Cardiff to Budapest in December.
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