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

Return flights

01 Aug - 31 Aug	Japan Airlines
20 Aug - 29 Aug	ANA
21 Aug - 01 Sep	ANA
30 Aug - 01 Sep	ANA
10 Aug - 21 Aug	ANA
10 Aug - 17 Aug	ANA
29 Aug - 25 Sep	ANA
26 Aug - 11 Sep	ANA
29 Aug - 10 Sep	ANA
23 Aug - 06 Sep	ANA
14 Aug - 31 Aug	ANA
03 Aug - 04 Aug	ANA
14 Aug - 21 Aug	ANA
14 Aug - 23 Aug	ANA
09 Aug - 19 Aug	ANA
14 Aug - 25 Aug	ANA
25 Aug - 07 Sep	ANA
25 Aug - 11 Sep	ANA

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

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 Seoul to Sao Paulo in August from 1243€

Return flights