This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $541 fare is the cheapest current round-trip from Fort Lauderdale (FLL) to ISP on JetBlue flight B6314, departing 2026-07-12 at 18:45 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.