AirHint found the following cheapest return flights from Sao Paulo (GRU) to Seoul (ICN) in September 2026 (see full year).

Return flights

01 Sep - 17 Sep	United
01 Sep - 08 Sep	United
02 Sep - 11 Sep	United
06 Sep - 16 Sep	United
10 Sep - 14 Sep	United
01 Sep - 10 Sep	United
02 Sep - 16 Sep	United
07 Sep - 12 Sep	United
18 Sep - 30 Sep	Air China
21 Sep - 18 Oct	Air China
15 Sep - 20 Oct	KLM
04 Sep - 11 Sep	Turkish Airlines
01 Sep - 03 Oct	Turkish Airlines
26 Sep - 11 Oct	Turkish Airlines
16 Sep - 20 Oct	Qatar Airways
26 Sep - 17 Oct	Air Canada
16 Sep - 06 Oct	Emirates
15 Sep - 05 Oct	Emirates

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 $1026

Return flights