This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $391 fare is the cheapest current round-trip from Las Vegas (LAS) to SJD on Alaska Airlines flight AS2253, departing 2026-07-24 at 07:59 with return on 2026-07-28.

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