This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $150 fare is the cheapest current round-trip from Denver (DEN) to PHL on Frontier flight F92440, departing 2026-05-14 at 07:00 with return on 2026-05-16.

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