This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $1645 fare is the cheapest current round-trip from San José (SJO) to AER on E9 flight E9858, departing 2026-10-06 at 19:40 with return on 2026-10-27.

Clicking "Book this flight" opens Kiwi.com with this exact flight pre-filtered — same airline, same dates, same passenger count.