Are there nonstop flights from Palu (PLW) to Buol (UOL)?

Yes. Wings Air fly this route. Flight time is about 50m.

Palu → Buol

Mutiara - SIS Al-Jufrie Airport (PLW) to Buol - Pogogul Airport (UOL)・280 km

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

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.