This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $515 fare is the cheapest current round-trip from Brussels (BRU) to LED on W4 flight W43084, departing 2026-10-12 at 08:05 with return on 2026-10-18.
Clicking "Book this flight" opens Kiwi.com with this exact flight pre-filtered — same airline, same dates, same passenger count.