Cheapest one-way flights from Buenos Aires to San Jose in January from $346

AirHint found the following cheapest one-way flights from Buenos Aires (AEP) to San Jose (SJO) in January 2026 (see full year).

One-Way flights

22 Jan LATAM Airlines Group
24 Jan LATAM Airlines Group
30 Jan Avianca
20 Jan LATAM Airlines Group
23 Jan Flybondi
21 Jan Flybondi
27 Jan Flybondi
25 Jan Flybondi
17 Jan LATAM Airlines Group
29 Jan LATAM Airlines Group

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

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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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