This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $160 fare is the cheapest current round-trip from Philadelphia (PHL) to CHI on Frontier flight F93985, departing 2026-09-19 at 06:00 with return on 2026-09-20.

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