This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $856 fare is the cheapest current round-trip from Denver (DEN) to BCN on Air Canada flight AC1072, departing 2026-08-05 at 09:40 with return on 2026-08-13.

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