AirHint found the following cheapest return flights from Sao Paulo (GRU) to Seoul (GMP) in December 2025 (see full year).

Return flights

15 Dec - 03 Jan	Air China
15 Dec - 25 Jan	Air China
23 Dec - 07 Jan	Air China
01 Dec - 17 Dec	Air China
15 Dec - 11 Jan	Air China
02 Dec - 13 Jan	United
29 Dec - 31 Jan	Air China
24 Dec - 31 Dec	Japan Airlines
26 Dec - 17 Jan	Air China
03 Dec - 10 Dec	United
01 Dec - 08 Dec	United
01 Dec - 15 Dec	United
08 Dec - 22 Dec	United
08 Dec - 20 Dec	United
02 Dec - 06 Jan	United
06 Dec - 24 Dec	United
13 Dec - 25 Dec	United
22 Dec - 22 Jan	United
15 Dec - 16 Jan	United
23 Dec - 26 Dec	United

Also check the deals for one-way flights from Sao Paulo to Seoul in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Sao Paulo to Seoul in December from $1413

Return flights