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

Return flights

02 Dec - 09 Dec	Turkish Airlines
05 Dec - 13 Dec	Turkish Airlines
02 Dec - 13 Dec	Turkish Airlines
06 Dec - 31 Jan	Turkish Airlines
05 Dec - 20 Jan	LATAM Airlines Group
23 Dec - 16 Jan	Turkish Airlines
06 Dec - 18 Dec	Turkish Airlines
01 Dec - 12 Jan	Air China
08 Dec - 28 Dec	Turkish Airlines
13 Dec - 27 Dec	Turkish Airlines
07 Dec - 23 Jan	Turkish Airlines
06 Dec - 23 Jan	Turkish Airlines
06 Dec - 21 Dec	Turkish Airlines
10 Dec - 27 Dec	Air France
13 Dec - 25 Dec	Turkish Airlines
14 Dec - 29 Dec	Turkish Airlines
28 Dec - 12 Jan	Turkish Airlines
08 Dec - 13 Jan	Air France
18 Dec - 10 Jan	Turkish Airlines
18 Dec - 11 Jan	Turkish Airlines

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 951€

Return flights