This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $189 fare is the cheapest current round-trip from Istanbul (IST) to BCN on Vueling flight VY3073, departing 2026-06-01 at 04:35 with return on 2026-06-05.

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