Cheapest return flights from Buenos Aires to San Jose in April from $522

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

Return flights

18 Apr - 26 Apr LATAM Airlines Group
13 Apr - 27 Apr LATAM Airlines Group
13 Apr - 20 Apr LATAM Airlines Group
14 Apr - 23 Apr JetSmart
21 Apr - 26 May LATAM Airlines Group
16 Apr - 25 Apr LATAM Airlines Group
14 Apr - 28 Apr LATAM Airlines Group
21 Apr - 04 May LATAM Airlines Group
14 Apr - 21 Apr Sky Airline
11 Apr - 25 Apr LATAM Airlines Group
14 Apr - 26 Apr Sky Airline
26 Apr - 03 May JetSmart
01 Apr - 05 Apr Sky Airline
27 Apr - 04 May LATAM Airlines Group
30 Apr - 03 May JetSmart
30 Apr - 01 May Sky Airline

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

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