Which airport is closest to Batavia New York?

Batavia, NY has a "general aviation" or private aircraft airport of its own, but for large scale commercial service you would look to either Rochester (ROC) or Buffalo (BUF). These are about 30 to 40 miles or a 45 to 60 minute drive in good weather.

Within several hours there are other regional and major airports including Syracuse, Ithaca, and Binghamton, plus Erie and Pittsburgh PA, Cleveland OH, and Toronto Canada. You might consider these for possibly lower fares, travel conditions, or points of interest.