This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $662 fare is the cheapest current round-trip from Calgary (YYC) to AMS on American Airlines flight AA2521, departing 2026-09-02 at 06:45 with return on 2026-09-15.

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