Are there nonstop flights from Ixtapa (ZIH) to Toronto (YTZ)?

No. The fastest connection is via Chicago, about 5h 23m of total flying time.

What is the fastest connection from Ixtapa (ZIH) to Toronto (YTZ)?

via Chicago ≈ 5h 23m, via Montréal ≈ 6h 19m (estimated flying time, excluding layovers).

Ixtapa-Zihuatanejo International Airport (ZIH) to Billy Bishop Toronto City Airport (YTZ)・3,558 km

No nonstop flights. The fastest connection is via Chicago (ORD), about 5h 23m of flying time (layover not included).

None.

2 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.