Cheapest return flights from San Jose to Buenos Aires in April from 318€

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

Return flights

12 Apr - 15 Apr Avianca
08 Apr - 24 Apr Avianca
17 Apr - 24 Apr LATAM Airlines Group
09 Apr - 16 Apr Avianca
20 Apr - 26 Apr LATAM Airlines Group
16 Apr - 26 Apr Avianca
15 Apr - 22 Apr Avianca
24 Apr - 29 Apr Avianca
20 Apr - 25 Apr LATAM Airlines Group
13 Apr - 19 Apr Avianca
24 Apr - 03 May Avianca
25 Apr - 03 May Avianca
30 Apr - 02 May Avianca

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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