AirHint found the following cheapest return flights from Bratislava (BTS) to Porto (OPO) in December 2025 (see full year).
Return flights
| 13 Dec - 17 Dec | Ryanair | ||
| 18 Dec - 06 Jan | Ryanair | ||
| 20 Dec - 27 Dec | Ryanair | ||
| 21 Dec - 27 Dec | Ryanair | ||
| 30 Dec - 02 Jan | Ryanair |
Also check the deals for one-way flights from Bratislava to Porto in December.
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