Littler, 17, will make his first appearance at Hamilton, after winning in Bahrain in January.
The 16-year-old headed off Dutch legend Michael van Gerwen in the final.
The 16-year-old was toppled by world No.1 Luke Humphries at Alexandra Palace.
The 16-year-old defeated Rob Cross in an emphatic semi-final win.
Luke Littler's fairytale run at Alexandra Palace has continued.
Luke Littler continued his dream run at Alexandra Palace.
Close to 100 Kiwi combatants locked horns at the Black Horse Hotel in Christchurch.
Victoria Monaghan won the New Zealand Open title last month amid a fiery atmosphere, with vocal opposition to her participation.
The 51-year-old has won his second world championship crown from London.
