This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $222 fare is the cheapest current round-trip from Portland (PDX) to DEN on Frontier flight F92554, departing 2026-06-30 at 17:20 with return on 2026-07-06.

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