This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $125 fare is the cheapest current round-trip from Mexico City (MEX) to CUN on Y4 flight Y43483, departing 2026-09-17 at 11:04 with return on 2026-09-21.

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