Are there nonstop flights from Missoula (MSO) to Toronto (YTZ)?

No. The fastest connection is via Chicago, about 4h 22m of total flying time.

What is the fastest connection from Missoula (MSO) to Toronto (YTZ)?

via Chicago ≈ 4h 22m (estimated flying time, excluding layovers).

Missoula Montana Airport (MSO) to Billy Bishop Toronto City Airport (YTZ)・2,717 km

No nonstop flights. The fastest connection is via Chicago (ORD), about 4h 22m of flying time (layover not included).

None.

1 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.