Are there nonstop flights from Sanya (SYX) to Xiamen (XMN)?

Yes. Xiamen Airlines fly this route. Flight time is about 1h 50m.

What is the fastest connection from Sanya (SYX) to Xiamen (XMN)?

via Hong Kong ≈ 2h 21m, via Zhuhai ≈ 2h 21m, via Shenzhen ≈ 2h 22m (estimated flying time, excluding layovers).

from 10,000 ANA miles, from 15,000 JAL miles (economy, one way, based on the published award charts).

Sanya Phoenix International Airport (SYX) to Xiamen Gaoqi International Airport (XMN)・1,138 km

Nonstop flights available (1 airline). Flight time about 1h 50m. Nonstop return flights also operate.

With milesANA 10,000 miles+ (via CKG)JAL 15,000 miles+ (via WUH)Economy, one way, estimate. Tap a connection for miles by cabin.

28 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.