AirHint found the following cheapest one-way flights from Hamburg (HAM) to Porto (OPO) in December 2025 (see full year).
One-Way flights
| 31 Dec | Ryanair | ||
| 15 Dec | Ryanair | ||
| 30 Dec | Ryanair | ||
| 03 Dec | Aer Lingus | ||
| 11 Dec | Ryanair | ||
| 06 Dec | Iberia | ||
| 08 Dec | Scandinavian Airlines | ||
| 12 Dec | easyJet | ||
| 13 Dec | Eurowings | ||
| 09 Dec | Ryanair |
Also check the deals for return flights from Hamburg to Porto in December.
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