This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $425 fare is the cheapest current round-trip from Edmonton (YEG) to CUN on WestJet flight WS155, departing 2026-08-28 at 19:40 with return on 2026-09-03.

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