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

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

Buol → Palu

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