AirHint found the following cheapest return flights from Rio De Janeiro (GIG) to Buenos Aires (AEP) in December 2026 (see full year).

Return flights

11 Dec - 14 Dec	Flybondi	direct
11 Dec - 13 Dec	LATAM Airlines Group
11 Dec - 13 Dec	Flybondi	direct
01 Dec - 05 Dec	GOL Linhas Aéreas	direct
02 Dec - 12 Dec	GOL Linhas Aéreas	direct
03 Dec - 08 Dec	Aerolíneas Argentinas	direct
03 Dec - 14 Dec	JetSmart	direct
11 Dec - 15 Dec	JetSmart	direct
07 Dec - 08 Dec	JetSmart	direct
07 Dec - 14 Dec	JetSmart	direct

Also check the deals for one-way flights from Rio De Janeiro 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 return flights from Rio De Janeiro to Buenos Aires in December from 135€

Return flights