Cheapest return flights from San Jose to Buenos Aires in March from 429€

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

Return flights

12 Mar - 16 Mar LATAM Airlines Group
10 Mar - 31 Mar GOL Linhas Aéreas
05 Mar - 10 Mar Avianca
20 Mar - 27 Mar Avianca
09 Mar - 30 Mar Avianca
28 Mar - 08 Apr Avianca
27 Mar - 03 Apr Avianca

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

Skyscanner

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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Feel free to contact us with any feedback or request another flight research.