This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $139 fare is the cheapest current round-trip from Luxembourg (LUX) to STO on Ryanair flight FR1458, departing 2026-09-17 at 09:45 with return on 2026-09-19.

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