Are there nonstop flights from Taipei (TSA) to Xi'an (XIY)?

No. The fastest connection is via Wuhan, about 2h 54m of total flying time.

What is the fastest connection from Taipei (TSA) to Xi'an (XIY)?

via Wuhan ≈ 2h 54m, via Fuzhou ≈ 2h 55m, via Xiamen ≈ 3h 6m (estimated flying time, excluding layovers).

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

Taipei Songshan International Airport (TSA) to Xi'an Xianyang International Airport (XIY)・1,613 km

No nonstop flights. The fastest connection is via Wuhan (WUH), about 2h 54m of flying time (layover not included).

With milesJAL 15,000 miles+ (via SHA)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

7 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.