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

Return flights

28 Aug - 04 Sep	JetSmart
28 Aug - 07 Sep	JetSmart
22 Aug - 28 Aug	JetSmart
22 Aug - 04 Sep	JetSmart
25 Aug - 03 Sep	GOL Linhas Aéreas
22 Aug - 07 Sep	JetSmart
25 Aug - 30 Aug	GOL Linhas Aéreas
22 Aug - 23 Aug	JetSmart
19 Aug - 21 Aug	GOL Linhas Aéreas
21 Aug - 28 Aug	JetSmart
21 Aug - 04 Sep	JetSmart
20 Aug - 27 Aug	GOL Linhas Aéreas
19 Aug - 26 Aug	GOL Linhas Aéreas
19 Aug - 23 Aug	GOL Linhas Aéreas
21 Aug - 07 Sep	JetSmart
21 Aug - 23 Aug	JetSmart
20 Aug - 20 Aug	LATAM Airlines Group
17 Aug - 04 Sep	JetSmart
17 Aug - 07 Sep	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 238€

Return flights