Cheapest return flights from San Jose to Buenos Aires in August from 517€

AirHint found the following cheapest return flights from San Jose (SJO) to Buenos Aires (AEP) in August 2026 (see full year).

Return flights

09 Aug - 16 Aug LATAM Airlines Group
07 Aug - 22 Aug Avianca
21 Aug - 28 Aug Avianca
12 Aug - 15 Aug Avianca
21 Aug - 25 Aug Avianca
11 Aug - 25 Aug Avianca
06 Aug - 21 Aug Avianca
12 Aug - 26 Aug Avianca
20 Aug - 28 Aug Avianca
15 Aug - 22 Aug Avianca
31 Aug - 10 Sep Avianca
28 Aug - 04 Sep Avianca
29 Aug - 08 Sep Avianca

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

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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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