This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $687 fare is the cheapest current round-trip from Calgary (YYC) to CPH on American Airlines flight AA3667, departing 2026-08-18 at 13:52 with return on 2026-08-25.

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