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
| 10 Dec | LATAM Airlines Group | ||
| 04 Dec | Avianca | ||
| 08 Dec | Avianca | ||
| 15 Dec | LATAM Airlines Group | ||
| 09 Dec | Avianca | ||
| 12 Dec | LATAM Airlines Group | ||
| 06 Dec | Flybondi | ||
| 05 Dec | Avianca | ||
| 01 Dec | Flybondi | ||
| 23 Dec | Sky Airline |
Also check the deals for return 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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