Cheapest return flights from Buenos Aires to San Jose in May from 425€

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

Return flights

21 May - 31 May LATAM Airlines Group
29 May - 01 Jun LATAM Airlines Group
07 May - 07 Jun LATAM Airlines Group
12 May - 02 Jun LATAM Airlines Group
15 May - 29 May LATAM Airlines Group
18 May - 28 May LATAM Airlines Group
01 May - 11 May LATAM Airlines Group
12 May - 23 May LATAM Airlines Group
05 May - 27 May JetSmart
16 May - 29 May JetSmart
01 May - 10 May JetSmart
01 May - 15 May JetSmart
01 May - 01 Jun JetSmart
09 May - 18 May Sky Airline
24 May - 07 Jun Aerolíneas Argentinas
26 May - 09 Jun Avianca

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

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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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