This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $1357 fare is the cheapest current round-trip from San José (SJO) to CNX on Avianca flight AV640, departing 2026-08-25 at 05:45 with return on 2026-09-05.

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