Cheapest return flights from San Jose to Buenos Aires in April from 445€

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

Return flights

03 Apr - 10 Apr LATAM Airlines Group
17 Apr - 30 Apr Avianca
01 Apr - 15 Apr Avianca
08 Apr - 19 Apr Avianca
08 Apr - 18 Apr Avianca
05 Apr - 11 Apr Avianca
27 Apr - 03 May Avianca
02 Apr - 11 Apr Avianca

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

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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