Cheapest return flights from San Jose to Buenos Aires in April from $371

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

Return flights

01 Apr - 12 Apr Avianca
01 Apr - 17 Apr Avianca
08 Apr - 22 Apr Avianca
15 Apr - 22 Apr Avianca
22 Apr - 29 Apr Avianca
08 Apr - 24 Apr LATAM Airlines Group
29 Apr - 06 May Avianca
01 Apr - 10 Apr Avianca
14 Apr - 29 Apr LATAM Airlines Group
22 Apr - 30 Apr Avianca
03 Apr - 10 Apr LATAM Airlines Group
03 Apr - 13 May LATAM Airlines Group
20 Apr - 18 May Copa
24 Apr - 01 May Copa

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

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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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