AirHint found the following cheapest return flights from Foz Do Iguacu (IGU) to Buenos Aires (AEP) in August 2025 (see full year).

Return flights

22 Aug - 29 Aug	GOL Linhas Aéreas
23 Aug - 30 Aug	GOL Linhas Aéreas
24 Aug - 28 Aug	GOL Linhas Aéreas
28 Aug - 04 Sep	JetSmart
28 Aug - 07 Sep	JetSmart
28 Aug - 31 Aug	JetSmart
28 Aug - 11 Sep	JetSmart
24 Aug - 04 Sep	JetSmart
04 Aug - 11 Aug	GOL Linhas Aéreas
24 Aug - 07 Sep	JetSmart
24 Aug - 31 Aug	JetSmart
24 Aug - 11 Sep	JetSmart
03 Aug - 21 Aug	JetSmart
17 Aug - 04 Sep	JetSmart
17 Aug - 21 Aug	JetSmart
17 Aug - 28 Aug	JetSmart
17 Aug - 07 Sep	JetSmart
17 Aug - 31 Aug	JetSmart

Also check the deals for one-way flights from Foz Do Iguacu to Buenos Aires 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 Foz Do Iguacu to Buenos Aires in August from $345

Return flights