Are there nonstop flights from Calgary (YYC) to Quebec (YQB)?

Yes. WestJet fly this route. Flight time is about 4h 9m.

What is the fastest connection from Calgary (YYC) to Quebec (YQB)?

via Sudbury ≈ 4h 45m, via Montréal ≈ 4h 48m, via Montréal ≈ 4h 49m (estimated flying time, excluding layovers).

from 15,000 ANA miles (economy, one way, based on the published award charts).

Calgary International Airport (YYC) to Quebec Jean Lesage International Airport (YQB)・3,104 km

Nonstop flights available (1 airline). Flight time about 4h 9m. Nonstop return flights also operate.

With milesANA 15,000 miles+ (via YUL)Economy, one way, estimate. Tap a connection for miles by cabin.

14 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.