AirHint found the following cheapest return flights from Treviso (TSF) to Santander (SDR) in December 2025 (see full year).
Return flights
| 26 Dec - 28 Dec | Ryanair | ||
| 27 Dec - 31 Dec | Wizz Air Malta | ||
| 27 Dec - 05 Jan | Wizz Air Malta | ||
| 28 Dec - 04 Jan | Ryanair |
Also check the deals for one-way flights from Treviso to Santander in December.
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