This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $325 fare is the cheapest current round-trip from Miami (MIA) to SEA on Frontier flight F91279, departing 2026-06-27 at 06:00 with return on 2026-07-06.

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