AirHint found the following cheapest return flights from Santiago (SCQ) to Buenos Aires (AEP) in December 2025 (see full year).

Return flights

04 Dec - 07 Dec	Vueling Airlines
03 Dec - 20 Jan	Iberia
03 Dec - 19 Jan	Iberia
09 Dec - 21 Jan	Iberia
03 Dec - 17 Jan	Iberia
03 Dec - 14 Jan	Iberia
03 Dec - 18 Jan	Iberia
03 Dec - 13 Jan	Iberia
03 Dec - 16 Jan	Iberia
03 Dec - 15 Jan	Iberia
12 Dec - 22 Dec	Iberia
01 Dec - 12 Jan	Vueling Airlines
11 Dec - 22 Dec	Iberia
13 Dec - 26 Dec	Iberia
14 Dec - 21 Dec	Iberia
14 Dec - 26 Dec	Iberia
11 Dec - 25 Dec	Iberia
12 Dec - 26 Dec	Ryanair
12 Dec - 21 Dec	Iberia
12 Dec - 20 Dec	Ryanair

Also check the deals for one-way flights from Santiago 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 Santiago to Buenos Aires in December from 1029€

Return flights