This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $825 fare is the cheapest current round-trip from Montreal (YUL) to MEX on TS flight TS538, departing 2026-08-04 at 07:05 with return on 2026-08-04.

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