This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $326 fare is the cheapest current round-trip from Philadelphia (PHL) to IND on Frontier flight F92507, departing 2026-07-20 at 10:11 with return on 2026-07-20.

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