From the airport terminal, board the Airtrain monorail to the Newark airport rail station. there, you will be bording a New Jersey Transit train to New York Penn Station, the last stop. From Penn, it is one stop on the subway or a short bus ride up the 8 blocks to Times Square. total cost per person. airtrain and railroad 15.00 (AM Peak) 11.25 (other times) , Subway 2.25
take a shuttle van, about $17 http://www.goairlinkshuttle.com/