This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $233 fare is the cheapest current round-trip from Nice (NCE) to IST on W4 flight W45146, departing 2026-09-29 at 14:55 with return on 2026-10-03.
Clicking "Book this flight" opens Kiwi.com with this exact flight pre-filtered — same airline, same dates, same passenger count.