What’s the nearest major airport? I’m coming from NYC and don’t want to drive.

Manchester (MHT) is 2 hours from the park by car. There is no public transportation to the park.

Manchester,NH; Portland,ME; or Burlington,VT are your 3 closest airports that have commercial flights.

Manchester Boston Regional Airport is probably the closest

Then I'd stay away because driving through the Notch is a great experience!