Are there nonstop flights from Barcelona (BCN) to Sydney (SYD)?

No. The fastest connection is via Singapore, about 21h 13m of total flying time.

What is the fastest connection from Barcelona (BCN) to Sydney (SYD)?

via Singapore ≈ 21h 13m, via Rome ≈ 21h 14m, via Istanbul ≈ 21h 14m (estimated flying time, excluding layovers).

from 40,000 ANA miles, from 50,000 JAL miles (economy, one way, based on the published award charts).

Josep Tarradellas Barcelona-El Prat Airport (BCN) to Sydney Kingsford Smith International Airport (SYD)・17,190 km

No nonstop flights. The fastest connection is via Singapore (SIN), about 21h 13m of flying time (layover not included).

With milesANA 40,000 miles+ (via IST)JAL 50,000 miles+ (via DXB)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

19 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.