Are there nonstop flights from Denver (DEN) to Doha (DOH)?

No. The fastest connection is via Istanbul, about 15h 50m of total flying time.

What is the fastest connection from Denver (DEN) to Doha (DOH)?

via Istanbul ≈ 15h 50m, via Frankfurt am Main ≈ 15h 55m, via Munich ≈ 15h 56m (estimated flying time, excluding layovers).

from 35,000 ANA miles, from 40,000 JAL miles (economy, one way, based on the published award charts).

Denver International Airport (DEN) to Hamad International Airport (DOH)・12,367 km

No nonstop flights. The fastest connection is via Istanbul (IST), about 15h 50m of flying time (layover not included).

With milesANA 35,000 miles+ (via IST)JAL 40,000 miles+ (via LHR)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

20 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.