This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $148 fare is the cheapest current round-trip from Detroit (DTW) to PHX on Frontier flight F94671, departing 2026-07-29 at 19:44 with return on 2026-08-08.

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