This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $746 fare is the cheapest current round-trip from Calgary (YYC) to IST on WestJet flight WS18, departing 2026-09-12 at 19:55 with return on 2026-09-23.

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