Are there nonstop flights from Ulaanbaatar (UBN) to Da Nang (DAD)?

No. The fastest connection is via Hong Kong, about 5h 29m of total flying time.

What is the fastest connection from Ulaanbaatar (UBN) to Da Nang (DAD)?

via Hong Kong ≈ 5h 29m, via Shanghai ≈ 6h 11m, via Nha Trang ≈ 6h 13m (estimated flying time, excluding layovers).

from 15,000 ANA miles, from 23,000 JAL miles (economy, one way, based on the published award charts).

Ulaanbaatar Chinggis Khaan International Airport (UBN) to Da Nang International Airport (DAD)・3,516 km

No nonstop flights. The fastest connection is via Hong Kong (HKG), about 5h 29m of flying time (layover not included).

With milesANA 15,000 miles+ (via ICN)JAL 23,000 miles+ (via ICN)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

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.