This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $260 fare is the cheapest current round-trip from Philadelphia (PHL) to CHI on Frontier flight F92749, departing 2026-07-04 at 19:26 with return on 2026-07-07.

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