This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $125 fare is the cheapest current round-trip from Luxembourg (LUX) to BCN on Ryanair flight FR3109, departing 2026-09-12 at 13:15 with return on 2026-09-13.

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