This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $106 fare is the cheapest current round-trip from Denver (DEN) to CHI on Frontier flight F93174, departing 2026-09-29 at 20:55 with return on 2026-10-05.

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