This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $75 fare is the cheapest current round-trip from Sofia (SOF) to BUD on Ryanair flight FR5571, departing 2026-07-26 at 21:35 with return on 2026-07-31.

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