This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $578 fare is the cheapest current round-trip from San José (SJO) to LAX on JetBlue flight B638, departing 2026-09-05 at 14:02 with return on 2026-09-19.

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