AirHint found the following cheapest return flights from Sao Paulo (GRU) to Shannon (SNN) in December 2025 (see full year).
Return flights
| 01 Dec - 08 Dec | British Airways | ||
| 01 Dec - 24 Jan | LATAM Airlines Group | ||
| 23 Dec - 06 Jan | LATAM Airlines Group |
Also check the deals for one-way flights from Sao Paulo to Shannon in December.
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