AirHint found the following cheapest return flights from Seoul (ICN) to Sao Paulo (GRU) in December 2026 (see full year).
Return flights
| 14 Dec - 21 Dec | Air China | ||
| 14 Dec - 25 Dec | Air China | ||
| 01 Dec - 06 Dec | Lufthansa | ||
| 18 Dec - 31 Dec | Qatar Airways |
Also check the deals for one-way flights from Seoul to Sao Paulo in December.
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