Cheapest return flights from San Jose to Buenos Aires in October from 388€

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

Return flights

21 Oct - 28 Oct GOL Linhas Aéreas
10 Oct - 20 Oct Avianca
23 Oct - 31 Oct Avianca
23 Oct - 27 Oct Avianca
12 Oct - 17 Oct Avianca
04 Oct - 09 Oct Avianca
03 Oct - 07 Oct LATAM Airlines Group
10 Oct - 13 Oct Avianca
02 Oct - 13 Oct Avianca
19 Oct - 08 Nov Avianca
08 Oct - 19 Oct Avianca
31 Oct - 06 Nov Avianca
18 Oct - 02 Nov Avianca

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

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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Feel free to contact us with any feedback or request another flight research.