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

Return flights

04 Sep - 18 Sep	United
06 Sep - 17 Sep	United
08 Sep - 20 Sep	United
01 Sep - 05 Sep	United
01 Sep - 18 Sep	United
04 Sep - 23 Sep	United
01 Sep - 14 Sep	United
08 Sep - 21 Sep	United
02 Sep - 11 Sep	United
07 Sep - 12 Sep	United
21 Sep - 18 Oct	Air China
15 Sep - 10 Oct	KLM
29 Sep - 15 Oct	Air France
28 Sep - 14 Oct	Air China
28 Sep - 21 Oct	Air China
15 Sep - 05 Oct	Turkish Airlines
21 Sep - 07 Oct	Turkish Airlines
22 Sep - 08 Oct	Turkish Airlines
01 Sep - 03 Oct	Turkish Airlines
25 Sep - 08 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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from Sao Paulo to Seoul in September from 891€

Return flights