In separate ceremonies, 1,997 kits were presented to flood victims at a municipal conference hall in Ban Phai district and 1,497 at Wat Sai Thong in Muang district.
His Majesty also had mobile kitchens deployed to feed the people attending the events.
Ampon personally handed relief kits to three Ban Phai residents and three Muang residents while inspecting the flood zones.
Khon Kaen was among the upper Thai provinces hit by heavy rains and flooding caused by Storm Podul earlier this week. Three people died.
Since August 31, 41,283 households of 202,838 residents were reported affected in the province by flooding in seven districts – Noen Sila, Chonnabot, Waeng Noi, Nong Song Hong and Ban Hat as well as Ban Phai and Muang.
The situation is improving and state agencies and the private sector are providing aid.