AirHint found the following cheapest return flights from Fortaleza (FOR) to Buenos Aires (EZE) in September 2025 (see full year).

Return flights

10 Sep - 24 Sep	GOL Linhas Aéreas
01 Sep - 08 Sep	GOL Linhas Aéreas
09 Sep - 16 Sep	GOL Linhas Aéreas
13 Sep - 21 Sep	LATAM Airlines Group
09 Sep - 17 Sep	GOL Linhas Aéreas
27 Sep - 04 Oct	GOL Linhas Aéreas
06 Sep - 11 Sep	LATAM Airlines Group
02 Sep - 08 Sep	Azul Airlines
04 Sep - 09 Sep	GOL Linhas Aéreas
20 Sep - 05 Oct	GOL Linhas Aéreas
25 Sep - 06 Oct	LATAM Airlines Group
18 Sep - 22 Sep	GOL Linhas Aéreas
12 Sep - 14 Sep	LATAM Airlines Group
26 Sep - 03 Oct	LATAM Airlines Group
21 Sep - 03 Oct	LATAM Airlines Group

Also check the deals for one-way flights from Fortaleza to Buenos Aires 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 Fortaleza to Buenos Aires in September from 369€

Return flights