Cheapest return flights from San Jose to Buenos Aires in October from 532€

Best time to book flights for San Jose (SJO) to Buenos Aires (AEP) flights at AirHint

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

Return flights

18 Oct - 11 Nov LATAM Airlines Group
08 Oct - 13 Nov LATAM Airlines Group
17 Oct - 26 Oct Avianca
05 Oct - 15 Oct Avianca
05 Oct - 09 Oct Avianca
01 Oct - 08 Oct United
16 Oct - 25 Oct United
19 Oct - 08 Nov United
16 Oct - 24 Oct United
09 Oct - 18 Oct United
25 Oct - 04 Nov United
18 Oct - 02 Nov United

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.

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