This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $110 fare is the cheapest current round-trip from Houston (IAH) to CHI on Frontier flight F91882, departing 2026-09-15 at 11:25 with return on 2026-09-17.

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