Are there nonstop flights from Calgary (YYC) to Sapporo (CTS)?

No. The fastest connection is via Tokyo, about 11h 17m of total flying time.

What is the fastest connection from Calgary (YYC) to Sapporo (CTS)?

via Tokyo ≈ 11h 17m, via Seoul ≈ 12h 43m (estimated flying time, excluding layovers).

Calgary International Airport (YYC) to New Chitose Airport (CTS)・7,282 km

No nonstop flights. The fastest connection is via Tokyo (NRT), about 11h 17m 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.