Are there nonstop flights from Xi'an (XIY) to Barcelona (BCN)?

No. The fastest connection is via Vienna, about 11h 18m of total flying time.

What is the fastest connection from Xi'an (XIY) to Barcelona (BCN)?

via Vienna ≈ 11h 18m, via Budapest ≈ 11h 18m, via Milan ≈ 11h 19m (estimated flying time, excluding layovers).

from 30,000 ANA miles, from 45,000 JAL miles (economy, one way, based on the published award charts).

Xi'an Xianyang International Airport (XIY) to Josep Tarradellas Barcelona-El Prat Airport (BCN)・8,755 km

No nonstop flights. The fastest connection is via Vienna (VIE), about 11h 18m of flying time (layover not included).

With milesANA 30,000 miles+ (via IST)JAL 45,000 miles+ (via PVG)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

14 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.