This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $209 fare is the cheapest current round-trip from Salt Lake City (SLC) to PHX on Frontier flight F91439, departing 2026-09-30 at 20:10 with return on 2026-10-02.

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