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

Return flights

15 Sep - 01 Oct	United
01 Sep - 08 Sep	United
01 Sep - 30 Sep	United
13 Sep - 25 Sep	United
09 Sep - 16 Sep	United
01 Sep - 25 Sep	United
10 Sep - 14 Sep	United
15 Sep - 30 Sep	United
14 Sep - 26 Sep	United
15 Sep - 06 Oct	United
15 Sep - 10 Oct	United
07 Sep - 12 Sep	United
01 Sep - 20 Sep	United
15 Sep - 14 Oct	Air China
28 Sep - 15 Oct	Air China
29 Sep - 15 Oct	Air France
27 Sep - 12 Oct	United
27 Sep - 15 Oct	Turkish Airlines
28 Sep - 14 Oct	Turkish Airlines
25 Sep - 15 Oct	Turkish Airlines

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 893€

Return flights