AirHint found the following cheapest return flights from Basel (BSL) to Sao Paulo (GRU) in December 2025 (see full year).
Return flights
| 23 Dec - 30 Dec | KLM | ||
| 20 Dec - 21 Jan | Ryanair | ||
| 20 Dec - 10 Jan | easyJet | ||
| 21 Dec - 04 Jan | easyJet | ||
| 30 Dec - 02 Jan | KLM | ||
| 20 Dec - 04 Jan | Ryanair | ||
| 24 Dec - 01 Jan | Lufthansa |
Also check the deals for one-way flights from Basel to Sao Paulo in December.
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