Cheapest return flights from Buenos Aires to San Jose in September from 369€

AirHint found the following cheapest return flights from Buenos Aires (AEP) to San Jose (SJO) in September 2025 (see full year).

Return flights

27 Sep - 04 Oct GOL Linhas Aéreas
02 Sep - 30 Sep GOL Linhas Aéreas
01 Sep - 05 Sep Avianca
16 Sep - 30 Sep Avianca
25 Sep - 21 Oct LATAM Airlines Group
10 Sep - 20 Sep Avianca
05 Sep - 14 Sep Avianca
22 Sep - 03 Oct Avianca
06 Sep - 14 Sep GOL Linhas Aéreas

Also check the deals for one-way 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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