AirHint found the following cheapest return flights from Foz Do Iguacu (IGU) to Buenos Aires (AEP) in January 2026 (see full year).

Return flights

19 Jan - 02 Feb	LATAM Airlines Group
19 Jan - 25 Jan	GOL Linhas Aéreas
15 Jan - 20 Jan	LATAM Airlines Group
30 Jan - 02 Feb	Azul Airlines
31 Jan - 02 Feb	LATAM Airlines Group
15 Jan - 04 Feb	JetSmart
02 Jan - 12 Jan	LATAM Airlines Group
01 Jan - 07 Jan	LATAM Airlines Group
15 Jan - 16 Jan	JetSmart
15 Jan - 23 Jan	JetSmart
08 Jan - 16 Jan	JetSmart
08 Jan - 23 Jan	JetSmart
08 Jan - 09 Jan	JetSmart
30 Jan - 04 Feb	JetSmart

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

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 January from 320€

Return flights