Are there nonstop flights from Pekanbaru (PKU) to Makassar (UPG)?

No. The fastest connection is via Singapore, about 3h 33m of total flying time.

What is the fastest connection from Pekanbaru (PKU) to Makassar (UPG)?

via Singapore ≈ 3h 33m, via Surabaya ≈ 3h 44m, via Jakarta ≈ 3h 47m (estimated flying time, excluding layovers).

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

Sultan Syarif Kasim II International Airport / Roesmin Nurjadin AFB (PKU) to Sultan Hasanuddin International Airport (UPG)・2,103 km

No nonstop flights. The fastest connection is via Singapore (SIN), about 3h 33m of flying time (layover not included).

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

None.

5 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.