This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $101 fare is the cheapest current round-trip from Sofia (SOF) to BCN on Wizz Air flight W64315, departing 2026-09-07 at 19:30 with return on 2026-09-10.

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