This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $474 fare is the cheapest current round-trip from Montreal (YUL) to BCN on Finnair flight AY5994, departing 2026-09-07 at 22:00 with return on 2026-09-20.

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