This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $224 fare is the cheapest current round-trip from Austin (AUS) to CHI on Frontier flight F91815, departing 2026-10-07 at 06:45 with return on 2026-10-10.

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