Cheapest return flights from San Jose to Buenos Aires in March from 501€

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

Return flights

26 Mar - 14 Apr LATAM Airlines Group
02 Mar - 06 Mar Avianca
29 Mar - 19 Apr Avianca
29 Mar - 12 Apr Avianca

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

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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