Are there nonstop flights from Denver (DEN) to Kelowna (YLW)?

No. The fastest connection is via Calgary, about 3h 10m of total flying time.

What is the fastest connection from Denver (DEN) to Kelowna (YLW)?

via Calgary ≈ 3h 10m, via Seattle ≈ 3h 21m, via Vancouver ≈ 3h 26m (estimated flying time, excluding layovers).

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

Denver International Airport (DEN) to Kelowna International Airport (YLW)・1,607 km

No nonstop flights. The fastest connection is via Calgary (YYC), about 3h 10m of flying time (layover not included).

With milesJAL 15,000 miles+ (via SEA)ANA 15,000 miles+ (via YVR)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

8 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.