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

Return flights

22 Oct - 26 Nov	Air France
27 Oct - 27 Nov	Air France
28 Oct - 25 Nov	Air France
01 Oct - 22 Oct	Air France
22 Oct - 11 Nov	Air France
01 Oct - 16 Oct	Air France
26 Oct - 11 Nov	Air France
27 Oct - 13 Nov	Air France
27 Oct - 11 Nov	Air France
05 Oct - 23 Oct	Ethiopian Airlines
01 Oct - 30 Oct	Ethiopian Airlines
05 Oct - 09 Oct	Ethiopian Airlines
01 Oct - 12 Oct	Ethiopian Airlines
28 Oct - 22 Nov	KLM
25 Oct - 03 Nov	Air China
04 Oct - 30 Oct	Ethiopian Airlines
01 Oct - 31 Oct	Ethiopian Airlines
01 Oct - 18 Oct	Ethiopian Airlines
16 Oct - 20 Oct	Copa
28 Oct - 28 Nov	Air France

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

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 October from 1041€

Return flights