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

Return flights

19 Jul - 09 Aug	GOL Linhas Aéreas
24 Jul - 28 Jul	JetSmart
24 Jul - 29 Jul	JetSmart
17 Jul - 28 Jul	JetSmart
18 Jul - 28 Jul	JetSmart
09 Jul - 14 Jul	GOL Linhas Aéreas
11 Jul - 13 Jul	JetSmart
10 Jul - 13 Jul	JetSmart
21 Jul - 24 Jul	JetSmart
11 Jul - 28 Jul	JetSmart
11 Jul - 14 Jul	JetSmart

Also check the deals for one-way flights from Foz Do Iguacu to Buenos Aires in July.

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 July from $419

Return flights