This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $271 fare is the cheapest current round-trip from Fort Lauderdale (FLL) to STI on Spirit flight NK633, departing 2026-05-04 at 13:24 with return on 2026-05-30.

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