Cheapest return flights from San Jose to Buenos Aires in December from 438€

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

Return flights

02 Dec - 08 Dec GOL Linhas Aéreas
25 Dec - 07 Jan GOL Linhas Aéreas
10 Dec - 16 Dec Avianca
23 Dec - 13 Jan GOL Linhas Aéreas
19 Dec - 15 Jan LATAM Airlines Group
08 Dec - 14 Dec Avianca
19 Dec - 30 Dec Avianca
15 Dec - 22 Dec Avianca
01 Dec - 07 Dec Avianca
01 Dec - 19 Dec Avianca
24 Dec - 29 Dec Avianca
26 Dec - 02 Jan Avianca
19 Dec - 31 Dec Avianca
26 Dec - 30 Dec Avianca
07 Dec - 12 Jan Avianca
30 Dec - 12 Jan Avianca
20 Dec - 01 Jan Avianca
29 Dec - 05 Jan Avianca
19 Dec - 07 Jan Avianca
16 Dec - 03 Jan Avianca

Also check the deals for one-way flights from San Jose 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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