Are there nonstop flights from San Antonio (SAT) to Toronto (YTZ)?

No. The fastest connection is via Nashville, about 3h 46m of total flying time.

What is the fastest connection from San Antonio (SAT) to Toronto (YTZ)?

via Nashville ≈ 3h 46m, via Chicago ≈ 3h 49m, via Washington ≈ 4h 13m (estimated flying time, excluding layovers).

San Antonio International Airport (SAT) to Billy Bishop Toronto City Airport (YTZ)・2,304 km

No nonstop flights. The fastest connection is via Nashville (BNA), about 3h 46m 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.