Cheapest one-way flights from Buenos Aires to San Jose in September from $272

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

21 Sep Avianca
30 Sep Avianca
01 Sep Avianca
18 Sep Avianca
13 Sep Avianca
15 Sep Avianca
29 Sep Copa
06 Sep Copa
23 Sep Copa

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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