This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $352 fare is the cheapest current round-trip from Austin (AUS) to SAN on Frontier flight F93645, departing 2026-08-08 at 16:04 with return on 2026-08-10.

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