This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $93 fare is the cheapest current round-trip from Atlanta (ATL) to CHI on Frontier flight F91441, departing 2026-09-21 at 10:45 with return on 2026-09-24.

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