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

Return flights

04 Sep - 16 Sep	Air China
01 Sep - 12 Sep	Air China
15 Sep - 10 Oct	Air Canada
01 Sep - 15 Sep	Air Canada
04 Sep - 15 Sep	United
02 Sep - 15 Sep	United
02 Sep - 08 Sep	United
01 Sep - 20 Sep	Air China
01 Sep - 21 Sep	United
07 Sep - 21 Sep	United
09 Sep - 30 Sep	United
30 Sep - 20 Oct	United
30 Sep - 21 Oct	United

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 1482€

Return flights