Cheapest return flights from Buenos Aires to San Jose in May from $560

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

Return flights

08 May - 22 May LATAM Airlines Group
28 May - 01 Jun LATAM Airlines Group
29 May - 01 Jun LATAM Airlines Group
13 May - 24 May Flybondi
05 May - 23 May Sky Airline
07 May - 23 May Flybondi
14 May - 25 May Sky Airline
29 May - 08 Jun LATAM Airlines Group
18 May - 30 May Sky Airline
08 May - 21 May JetSmart
08 May - 23 May JetSmart
09 May - 17 May Aerolíneas Argentinas
05 May - 20 May Sky Airline
09 May - 01 Jun Aerolíneas Argentinas
30 May - 09 Jun Aerolíneas Argentinas
12 May - 02 Jun Sky Airline
29 May - 09 Jun Sky Airline
23 May - 01 Jun Sky Airline
30 May - 08 Jun Aerolíneas Argentinas
24 May - 07 Jun Aerolíneas Argentinas

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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