This is live pricing from Travelpayouts' aggregation of 40+ booking engines. The $450 fare is the cheapest current round-trip from Toronto (YYZ) to MEX on Air Canada flight AC1887, departing 2026-09-23 at 08:00 with return on 2026-09-23.

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