This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $583 fare is the cheapest current round-trip from Portland (PDX) to AGU on Y4 flight Y41871, departing 2026-08-14 at 23:15 with return on 2026-08-18.

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