I am looking to visit a friend in a place where the major airport is like 3 hours away. But there are regional airports too. But the search engines I have tried either won’t take just a town, or they seem to only choose the closest to the town, and the major airport. Skipping all the other regionals. Any good engine out there for considering all of the regional airports?
Every airport accepting commercial flights has an IATA code. You should be able to search using the code as a destination in every (partner) airline that services that airport.
https://www.iata.org/en/publications/directories/code-search