This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $512 fare is the cheapest current round-trip from Portland (PDX) to SJD on Y4 flight Y41871, departing 2026-07-07 at 23:15 with return on 2026-07-11.

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