Cheapest return flights from Buenos Aires to San Jose in April from $515

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

Return flights

15 Apr - 10 May Avianca
01 Apr - 10 Apr Avianca
17 Apr - 29 Apr Avianca
14 Apr - 30 Apr GOL Linhas Aéreas
02 Apr - 18 Apr Aerolíneas Argentinas
14 Apr - 21 May Sky Airline
11 Apr - 20 Apr Sky Airline
01 Apr - 14 Apr Avianca
24 Apr - 30 May Avianca

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