Cheapest return flights from Santiago to Buenos Aires in December from $216

Best time to book flights for Santiago (SCL) to Buenos Aires (AEP) flights at AirHint

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

Return flights

09 Dec - 16 Dec LATAM Airlines Group
09 Dec - 15 Dec LATAM Airlines Group
03 Dec - 06 Dec Aerolineas Argentinas
10 Dec - 16 Dec LATAM Airlines Group
19 Dec - 04 Jan JetSmart
29 Dec - 08 Jan JetSmart
13 Dec - 18 Dec JetSmart direct
03 Dec - 06 Dec JetSmart direct
09 Dec - 16 Dec LATAM Airlines Group direct
10 Dec - 16 Dec LATAM Airlines Group direct
09 Dec - 15 Dec Aerolineas Argentinas direct
07 Dec - 21 Dec Sky Airline direct
19 Dec - 04 Jan Sky Airline direct
29 Dec - 17 Jan JetSmart
29 Dec - 17 Jan JetSmart direct
29 Dec - 08 Jan JetSmart direct

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

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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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