Cheapest return flights from Buenos Aires to San Jose in December from 434€

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

Return flights

02 Dec - 11 Dec Avianca
01 Dec - 15 Dec Avianca
19 Dec - 24 Dec LATAM Airlines Group
01 Dec - 01 Jan Avianca
19 Dec - 19 Jan LATAM Airlines Group
25 Dec - 07 Jan Copa
25 Dec - 10 Jan Avianca
30 Dec - 06 Jan Avianca
23 Dec - 04 Jan Avianca
30 Dec - 12 Jan LATAM Airlines Group
31 Dec - 14 Jan Avianca
27 Dec - 30 Dec LATAM Airlines Group
27 Dec - 03 Jan LATAM Airlines Group
29 Dec - 12 Jan Avianca

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