This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $381 fare is the cheapest current round-trip from Calgary (YYC) to CUN on WestJet flight WS148, departing 2026-09-09 at 14:25 with return on 2026-09-16.

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