AirHint found the following cheapest return flights from Belfast (BHD) to Sao Paulo (GRU) in December 2025 (see full year).
Return flights
| 01 Dec - 08 Dec | KLM | ||
| 21 Dec - 13 Jan | KLM | ||
| 08 Dec - 04 Jan | KLM | ||
| 09 Dec - 05 Jan | KLM | ||
| 09 Dec - 04 Jan | British Airways |
Also check the deals for one-way flights from Belfast to Sao Paulo in December.
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