Are there nonstop flights from Singapore (SIN) to Yanji (YNJ)?

No. The fastest connection is via Hangzhou, about 7h 12m of total flying time.

What is the fastest connection from Singapore (SIN) to Yanji (YNJ)?

via Hangzhou ≈ 7h 12m, via Shenzhen ≈ 7h 12m, via Nanjing ≈ 7h 12m (estimated flying time, excluding layovers).

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

Singapore Changi Airport (SIN) to Yanji Chaoyangchuan Airport (YNJ)・5,266 km

No nonstop flights. The fastest connection is via Hangzhou (HGH), about 7h 12m of flying time (layover not included).

With milesANA 18,000 miles+ (via ICN)JAL 23,000 miles+ (via HGH)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

13 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.