This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $319 fare is the cheapest current round-trip from Miami (MIA) to LAX on Frontier flight F91067, departing 2026-09-01 at 09:35 with return on 2026-09-07.

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