This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $146 fare is the cheapest current round-trip from Phoenix (PHX) to CHI on Frontier flight F92608, departing 2026-08-24 at 12:19 with return on 2026-08-29.

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