Which is the nearest airport to Velankanni?

Do you want to fly to Velankanni? There are no airports in or around Velankanni. The nearest airport to this place is Tiruchirapalli International Airport, which is at a distance of about 165 km. The nearest major airport is Chennai airport, which is at 325 km.

My mother-in-law is planning a pilgrimage to Velankanni church next month. Since she is old, she can't travel by train or road. Is it possible to reach Velankannni by air? Which is the nearest airport to this place?