This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $127 fare is the cheapest current round-trip from Mexico City (MEX) to TIJ on Y4 flight Y43297, departing 2026-07-17 at 22:36 with return on 2026-07-31.

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