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

Return flights

27 Oct - 05 Nov	Air China
14 Oct - 25 Oct	Air China
20 Oct - 12 Nov	Air China
13 Oct - 25 Oct	Air China
27 Oct - 01 Nov	Air China
25 Oct - 18 Nov	United
02 Oct - 15 Oct	United
14 Oct - 24 Oct	United
25 Oct - 12 Nov	United
25 Oct - 19 Nov	United
06 Oct - 22 Oct	Air China
21 Oct - 11 Nov	Air Canada
14 Oct - 25 Nov	Air Canada
16 Oct - 20 Oct	United
14 Oct - 23 Oct	United
13 Oct - 20 Oct	United
12 Oct - 20 Oct	United
26 Oct - 17 Nov	United
28 Oct - 19 Nov	United
05 Oct - 18 Oct	United

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 $1371

Return flights