Are there nonstop flights from Mexico City (MEX) to Toronto (YTZ)?

No. The fastest connection is via Chicago, about 5h 3m of total flying time.

What is the fastest connection from Mexico City (MEX) to Toronto (YTZ)?

via Chicago ≈ 5h 3m, via Washington ≈ 5h 10m, via Newark ≈ 5h 34m (estimated flying time, excluding layovers).

Mexico City Benito Juárez International Airport (MEX) to Billy Bishop Toronto City Airport (YTZ)・3,255 km

No nonstop flights. The fastest connection is via Chicago (ORD), about 5h 3m of flying time (layover not included).

None.

5 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.