This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $76 fare is the cheapest current round-trip from Denver (DEN) to SAN on Frontier flight F92711, departing 2026-09-24 at 22:32 with return on 2026-09-28.

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