Are there nonstop flights from Billings (BIL) to Toronto (YTZ)?

No. The fastest connection is via Chicago, about 3h 51m of total flying time.

What is the fastest connection from Billings (BIL) to Toronto (YTZ)?

via Chicago ≈ 3h 51m (estimated flying time, excluding layovers).

Billings Logan International Airport (BIL) to Billy Bishop Toronto City Airport (YTZ)・2,303 km

No nonstop flights. The fastest connection is via Chicago (ORD), about 3h 51m 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.