Are there nonstop flights from Kota Kinabalu (BKI) to Bandar Seri Begawan (BWN)?

Yes. Royal Brunei Airlines fly this route. Flight time is about 42m.

Kota Kinabalu → Bandar Seri Begawan

Kota Kinabalu International Airport (BKI) to Brunei International Airport (BWN)・166 km

Nonstop flights available (1 airline). Flight time about 42m. Nonstop return flights also operate.

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