This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $366 fare is the cheapest current round-trip from Reykjavik (KEF) to BUD on 4Y flight 4Y4555, departing 2026-06-17 at 01:10 with return on 2026-06-21.

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