Cheapest one-way flights from Buenos Aires to San Jose in September from 217€

AirHint found the following cheapest one-way flights from Buenos Aires (EZE) to San Jose (SJO) in September 2025 (see full year).

One-Way flights

10 Sep Avianca
24 Sep Avianca
06 Sep Avianca
12 Sep LATAM Airlines Group
11 Sep Copa
26 Sep Avianca
21 Sep LATAM Airlines Group
15 Sep Avianca
13 Sep Avianca

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

Skyscanner

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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