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

Return flights

01 Dec - 08 Dec	Air China
10 Dec - 20 Jan	Air China
04 Dec - 20 Jan	Air France
26 Dec - 31 Jan	LATAM Airlines Group
21 Dec - 30 Dec	Air China
25 Dec - 06 Jan	Air China
20 Dec - 02 Jan	Air China
31 Dec - 31 Jan	Air France
15 Dec - 18 Dec	Ethiopian Airlines
01 Dec - 28 Jan	Lufthansa
31 Dec - 07 Jan	Turkish Airlines
01 Dec - 23 Jan	Air France
10 Dec - 25 Dec	Emirates
03 Dec - 18 Dec	Turkish Airlines
26 Dec - 23 Jan	Turkish Airlines
02 Dec - 07 Dec	Air Canada
03 Dec - 03 Dec	Qatar Airways

Also check the deals for one-way flights from Seoul to Sao Paulo 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 Seoul to Sao Paulo in December from 1045€

Return flights