Are there nonstop flights from Montego Bay (MBJ) to Quebec (YQB)?

Yes. WestJet fly this route. Flight time is about 4h 16m.

What is the fastest connection from Montego Bay (MBJ) to Quebec (YQB)?

via New York ≈ 4h 46m, via Newark ≈ 4h 46m, via Philadelphia ≈ 4h 48m (estimated flying time, excluding layovers).

from 30,000 ANA miles (economy, one way, based on the published award charts).

Sangster International Airport (MBJ) to Quebec Jean Lesage International Airport (YQB)・3,201 km

Nonstop flights available (1 airline). Flight time about 4h 16m. Nonstop return flights also operate.

With milesANA 30,000 miles+ (via YUL)Economy, one way, estimate. Tap a connection for miles by cabin.

12 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.