Cheapest one-way flights from Buenos Aires to San Jose in December from $289

AirHint found the following cheapest one-way flights from Buenos Aires (AEP) to San Jose (SJO) in December 2025 (see full year).

One-Way flights

01 Dec GOL Linhas Aéreas
09 Dec GOL Linhas Aéreas
16 Dec Avianca
23 Dec LATAM Airlines Group
30 Dec LATAM Airlines Group
26 Dec Flybondi
24 Dec JetSmart
29 Dec JetSmart
28 Dec JetSmart
25 Dec LATAM Airlines Group

Also check the deals for return flights from Buenos Aires to San Jose in December.

Skyscanner

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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