AirHint found the following cheapest one-way flights from San Jose (SJO) to La Fortuna/San Carlos (FON) in August 2025 (see full year).
One-Way flights
| 14 Aug | Sansa Regional | direct | |
| 18 Aug | Sansa Regional | direct | |
| 25 Aug | Sansa Regional | direct | |
| 19 Aug | Sansa Regional | direct | |
| 17 Aug | Sansa Regional | direct |
Also check the deals for return flights from San Jose to La Fortuna/San Carlos in August.
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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