This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $158 fare is the cheapest current round-trip from Brussels (BRU) to IST on W4 flight W45134, departing 2026-06-06 at 21:05 with return on 2026-06-14.

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