AirHint found the following cheapest return flights from San Jose (SJO) to Buenos Aires (EZE) in September 2026 (see full year).
Return flights
| 03 Sep - 23 Sep | Avianca | ||
| 07 Sep - 16 Sep | Avianca | ||
| 01 Sep - 17 Sep | Avianca | ||
| 25 Sep - 02 Oct | Avianca | ||
| 18 Sep - 27 Sep | United |
Also check the deals for one-way flights from San Jose to Buenos Aires in September.
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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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