This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $39 fare is the cheapest current round-trip from Barcelona (BCN) to MIL on Ryanair flight FR3320, departing 2026-09-18 at 13:00 with return on 2026-09-21.

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