Cheapest return flights from Buenos Aires to San Jose in September from $485

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

Return flights

23 Sep - 30 Sep LATAM Airlines Group
25 Sep - 04 Oct LATAM Airlines Group
24 Sep - 04 Oct LATAM Airlines Group
26 Sep - 09 Oct Copa
28 Sep - 02 Oct Avianca
17 Sep - 24 Sep Avianca
15 Sep - 30 Sep Avianca
23 Sep - 02 Oct Avianca
30 Sep - 14 Oct Avianca
18 Sep - 09 Oct Avianca
19 Sep - 23 Sep Copa
17 Sep - 22 Sep Avianca
27 Sep - 07 Oct Avianca
20 Sep - 26 Sep Avianca
19 Sep - 25 Sep LATAM Airlines Group
16 Sep - 23 Sep Copa
25 Sep - 28 Sep Avianca
22 Sep - 03 Oct Avianca
24 Sep - 29 Sep Avianca

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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