Are there nonstop flights from Toronto (YTZ) to New Orleans (MSY)?

No. The fastest connection is via Nashville, about 3h 7m of total flying time.

What is the fastest connection from Toronto (YTZ) to New Orleans (MSY)?

via Nashville ≈ 3h 7m, via Chicago ≈ 3h 26m, via Washington ≈ 3h 26m (estimated flying time, excluding layovers).

Billy Bishop Toronto City Airport (YTZ) to Louis Armstrong New Orleans International Airport (MSY)・1,795 km

No nonstop flights. The fastest connection is via Nashville (BNA), about 3h 7m of flying time (layover not included).

None.

6 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.