Cheapest return flights from Los Angeles to Buenos Aires in December from $764

AirHint found the following cheapest return flights from Los Angeles (LAX) to Buenos Aires (AEP) in December 2026 (see full year).

Return flights

11 Dec - 27 Dec LATAM Airlines Group
08 Dec - 22 Dec Delta
18 Dec - 10 Jan LATAM Airlines Group
21 Dec - 11 Jan LATAM Airlines Group
16 Dec - 01 Jan Delta

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

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