This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $403 fare is the cheapest current round-trip from Atlanta (ATL) to BUF on Frontier flight F91408, departing 2026-07-12 at 08:20 with return on 2026-07-13.

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