We do not have enough data on this route to provide a reliable graph showing how many days before departure it is the best to book.
However, usually the closer it is to the departure, the more expensive the tickets are.
The most popular airlines on the route New York Newark - Dublin Airport: WOW Air (WW).
There is no direct flight on the route from New York Newark to Dublin Airport
Il volo con scalo più breve dura 10h 15min.
New York (NY) Dublin