AirHint found the following cheapest return flights from Split (SPU) to Basel (BSL) in December 2025 (see full year).
Return flights
| 01 Dec - 12 Dec | Lufthansa | ||
| 19 Dec - 02 Jan | Croatia Airlines | ||
| 01 Dec - 14 Dec | Lufthansa | ||
| 29 Dec - 02 Jan | Croatia Airlines | ||
| 19 Dec - 21 Dec | Lufthansa | ||
| 09 Dec - 12 Dec | Lufthansa | ||
| 16 Dec - 19 Dec | Lufthansa |
Also check the deals for one-way flights from Split to Basel in December.
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