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

Return flights

15 Jan - 05 Feb	Copa
22 Jan - 07 Feb	LATAM Airlines Group
27 Jan - 04 Feb	Arajet
27 Jan - 10 Feb	Arajet
28 Jan - 11 Feb	LATAM Airlines Group
15 Jan - 26 Jan	Avianca
01 Jan - 22 Jan	Avianca
20 Jan - 28 Jan	Avianca
01 Jan - 25 Jan	Avianca
27 Jan - 11 Feb	Avianca
20 Jan - 06 Feb	Avianca
19 Jan - 26 Jan	LATAM Airlines Group
22 Jan - 31 Jan	LATAM Airlines Group
23 Jan - 09 Feb	Avianca
27 Jan - 23 Feb	Avianca
27 Jan - 25 Feb	Avianca
06 Jan - 26 Jan	Avianca
01 Jan - 17 Jan	LATAM Airlines Group
06 Jan - 25 Jan	Avianca
15 Jan - 30 Jan	Avianca

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

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.

Book a cheap hotel in San Jose

Cheap car rent in San Jose

Cheapest return flights from Buenos Aires to San Jose in January from $548

Return flights