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

Return flights

09 Sep - 22 Sep	LATAM Airlines Group
12 Sep - 30 Sep	Copa
14 Sep - 30 Sep	LATAM Airlines Group
08 Sep - 23 Sep	ANA
08 Sep - 20 Oct	Ethiopian Airlines
08 Sep - 22 Sep	LATAM Airlines Group
09 Sep - 16 Sep	LATAM Airlines Group
13 Sep - 20 Sep	ITA Airways
15 Sep - 24 Sep	ITA Airways
09 Sep - 24 Oct	Air Canada
05 Sep - 20 Sep	LATAM Airlines Group
26 Sep - 01 Oct	Air Europa
08 Sep - 17 Sep	LATAM Airlines Group
29 Sep - 30 Oct	Qatar Airways
25 Sep - 12 Oct	Qatar Airways
17 Sep - 14 Oct	Qatar Airways
19 Sep - 19 Oct	Air China
13 Sep - 03 Oct	ITA Airways
26 Sep - 12 Oct	Emirates
19 Sep - 01 Oct	Air China

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

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 September from $1772

Return flights