This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $639 fare is the cheapest current round-trip from Salt Lake City (SLC) to SDQ on Frontier flight F93220, departing 2026-07-16 at 06:05 with return on 2026-07-22.

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