This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $427 fare is the cheapest current round-trip from Mexico City (MEX) to SDQ on Copa flight CM135, departing 2026-05-15 at 15:30 with return on 2026-05-23.

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