AirHint found the following cheapest return flights from Leon (LEN) to Porto (OPO) in December 2025 (see full year).
Return flights
| 10 Dec - 17 Dec | Iberia | ||
| 12 Dec - 14 Dec | Iberia | ||
| 05 Dec - 07 Dec | Iberia | ||
| 24 Dec - 28 Dec | Iberia | ||
| 26 Dec - 30 Dec | Iberia | ||
| 26 Dec - 28 Dec | Iberia | ||
| 19 Dec - 21 Dec | Iberia | ||
| 14 Dec - 21 Dec | Iberia |
Also check the deals for one-way flights from Leon to Porto in December.
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