AirHint found the following cheapest return flights from Ronchi De Legionari (TRS) to Porto (OPO) in December 2025 (see full year).
Return flights
| 31 Dec - 02 Jan | Ryanair | ||
| 31 Dec - 03 Jan | Ryanair | ||
| 30 Dec - 06 Jan | Ryanair | ||
| 28 Dec - 02 Jan | Ryanair | ||
| 27 Dec - 03 Jan | Ryanair |
Also check the deals for one-way flights from Ronchi De Legionari to Porto in December.
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