Are there nonstop flights from Calgary (YYC) to Las Vegas (LAS)?

Yes. WestJet fly this route. Flight time is about 2h 28m.

What is the fastest connection from Calgary (YYC) to Las Vegas (LAS)?

via Salt Lake City ≈ 3h 4m, via Portland ≈ 3h 29m, via Seattle ≈ 3h 29m (estimated flying time, excluding layovers).

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

Calgary International Airport (YYC) to Harry Reid International Airport (LAS)・1,674 km

Nonstop flights available (1 airline). Flight time about 2h 28m. Nonstop return flights also operate.

With milesJAL 15,000 miles+ (via SEA)ANA 15,000 miles+ (via YVR)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.