This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $170 fare is the cheapest current round-trip from Chicago (ORD) to PHL on Frontier flight F92112, departing 2026-07-03 at 20:00 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.