Cheapest return flights from Buenos Aires to San Jose in May from $518

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

Return flights

12 May - 02 Jun Sky Airline
21 May - 02 Jun JetSmart
20 May - 28 May Flybondi
18 May - 29 May Flybondi
12 May - 27 May Sky Airline
18 May - 22 May LATAM Airlines Group
15 May - 22 May LATAM Airlines Group
29 May - 06 Jun LATAM Airlines Group
29 May - 01 Jun LATAM Airlines Group
14 May - 17 May Sky Airline
11 May - 28 May Sky Airline
16 May - 28 May Sky Airline
11 May - 27 May Sky Airline
05 May - 20 May JetSmart
01 May - 01 Jun Avianca
24 May - 07 Jun Aerolíneas Argentinas
31 May - 07 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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