Are there nonstop flights from Luanda (LAD) to Uige (UGO)?

Yes. TAAG Angola Airlines fly this route. Flight time is about 47m.

Luanda → Uige

Quatro de Fevereiro International Airport (LAD) to Uige Airport (UGO)・242 km

Nonstop flights available (1 airline). Flight time about 47m. Nonstop return flights also operate.

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