This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $156 fare is the cheapest current round-trip from Chicago (ORD) to LAS on Frontier flight F92145, departing 2026-08-21 at 20:11 with return on 2026-08-23.

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