AirHint found the following cheapest one-way flights from Foz Do Iguacu (IGU) to Buenos Aires (AEP) in December 2025 (see full year).

One-Way flights

04 Dec	JetSmart
07 Dec	JetSmart
02 Dec	GOL Linhas Aéreas
30 Dec	GOL Linhas Aéreas
21 Dec	JetSmart
26 Dec	GOL Linhas Aéreas
17 Dec	GOL Linhas Aéreas
16 Dec	GOL Linhas Aéreas
15 Dec	LATAM Airlines Group
24 Dec	GOL Linhas Aéreas

Also check the deals for return flights from Foz Do Iguacu to Buenos Aires in December.

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 one-way flights from Foz Do Iguacu to Buenos Aires in December from 94€

One-Way flights