This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $253 fare is the cheapest current round-trip from Madrid (MAD) to CMN on 3O flight 3O394, departing 2026-08-15 at 16:40 with return on 2026-09-02.

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