Cheapest return flights from San Jose to Buenos Aires in December from 677€

AirHint found the following cheapest return flights from San Jose (SJO) to Buenos Aires (AEP) in December 2026 (see full year).

Return flights

21 Dec - 30 Dec LATAM Airlines Group
26 Dec - 02 Jan LATAM Airlines Group
16 Dec - 28 Dec Avianca
14 Dec - 26 Dec Avianca
12 Dec - 22 Dec Avianca
13 Dec - 30 Dec Avianca
01 Dec - 08 Dec Avianca
01 Dec - 12 Dec Avianca
22 Dec - 05 Jan Avianca
18 Dec - 31 Dec Avianca
20 Dec - 03 Jan Avianca
29 Dec - 03 Jan Avianca
24 Dec - 12 Jan Avianca
24 Dec - 07 Jan Avianca
25 Dec - 02 Jan Avianca
23 Dec - 02 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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