What is the best airport to fly into to stay here? Jfk?
JFK is closest and easiest to come in downtown. You may face issues flying into Newark due to congestion on Holland Tunnel since it's the only way into downtown.
I believe either one is fine.
Stay away from Laguardia, they are doing construction and it is a horror show getting in and out of that airport. Trust me.
Get an answer from Club Quarters Hotel, World Trade Center staff and past guests.