Are there nonstop flights from Yanji (YNJ) to Nha Trang (CXR)?

No. The fastest connection is via Shenzhen, about 5h 39m of total flying time.

What is the fastest connection from Yanji (YNJ) to Nha Trang (CXR)?

via Shenzhen ≈ 5h 39m, via Nanjing ≈ 5h 39m, via Shanghai ≈ 5h 40m (estimated flying time, excluding layovers).

from 18,000 ANA miles, from 23,000 JAL miles (economy, one way, based on the published award charts).

Yanji Chaoyangchuan Airport (YNJ) to Cam Ranh International Airport / Cam Ranh Air Base (CXR)・3,949 km

No nonstop flights. The fastest connection is via Shenzhen (SZX), about 5h 39m of flying time (layover not included).

With milesANA 18,000 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.