Are there nonstop flights from Buariki (AAK) to South Tarawa (TRW)?

Yes. Air Kiribati fly this route. Flight time is about 40m.

Buariki → South Tarawa

Aranuka Airport (AAK) to Bonriki International Airport (TRW)・144 km

Nonstop flights available (1 airline). Flight time about 40m. Nonstop return flights also operate.

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