AirHint found the following cheapest one-way flights from San Jose (SJO) to Buenos Aires (AEP) in April 2026 (see full year).
One-Way flights
| 29 Apr | LATAM Airlines Group | ||
| 24 Apr | LATAM Airlines Group | ||
| 22 Apr | LATAM Airlines Group | ||
| 23 Apr | LATAM Airlines Group | ||
| 25 Apr | LATAM Airlines Group | ||
| 04 Apr | Avianca |
Also check the deals for return flights from San Jose to Buenos Aires in April.
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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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