Cheapest return flights from Buenos Aires to San Jose in March from 510€

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

Return flights

04 Mar - 18 Mar LATAM Airlines Group
11 Mar - 25 Mar Flybondi
26 Mar - 07 Apr LATAM Airlines Group
03 Mar - 05 Mar Aerolíneas Argentinas
04 Mar - 17 Mar Avianca
07 Mar - 21 Mar Sky Airline
21 Mar - 04 Apr LATAM Airlines Group
04 Mar - 15 Mar Aerolíneas Argentinas
03 Mar - 17 Mar Aerolíneas Argentinas
07 Mar - 19 Mar Sky Airline
28 Mar - 31 Mar LATAM Airlines Group
11 Mar - 19 Mar Aerolíneas Argentinas
26 Mar - 06 Apr LATAM Airlines Group
21 Mar - 03 Apr Avianca
20 Mar - 04 Apr Avianca
20 Mar - 05 Apr Avianca
21 Mar - 05 Apr Avianca
26 Mar - 23 Apr Avianca
27 Mar - 05 Apr JetSmart
28 Mar - 05 Apr Avianca

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

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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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