This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $188 fare is the cheapest current round-trip from Istanbul (IST) to BCN on LOT Polish flight LO2102, departing 2026-07-21 at 11:30 with return on 2026-09-18.

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