AirHint found the following cheapest return flights from Dublin (DUB) to Fortaleza (FOR) in December 2026 (see full year).
Return flights
| 28 Dec - 18 Jan | Vueling Airlines | ||
| 21 Dec - 14 Jan | Aer Lingus | ||
| 21 Dec - 17 Jan | TAP | ||
| 23 Dec - 17 Jan | KLM | ||
| 17 Dec - 10 Jan | Ryanair | ||
| 19 Dec - 17 Jan | Aer Lingus | ||
| 21 Dec - 28 Dec | TAP |
Also check the deals for one-way flights from Dublin to Fortaleza in December.
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