Andiast is in the Romansh-speaking part of the canton.
On September, 8 1526, Andiast was separated from the parish of Waltensburg and became an independent parish. In contrast to its parent parish, it was influenced by the Reformation and became protestant.
On October 8 and 9, 1799, the population was involved in the wars of the French Revolution. The French troops had driven Russian General Alexander Suvorov with his starving troops over the Alps in storm and snow. They staggered over the Panixer Pass and plundered the village.