This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $100 fare is the cheapest current round-trip from Paris (ORY) to BCN on TO flight TO4800, departing 2026-09-01 at 21:05 with return on 2026-09-04.

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