This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $488 fare is the cheapest current round-trip from Portland (PDX) to CUN on Y4 flight Y41871, departing 2026-07-30 at 23:15 with return on 2026-08-06.

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