Avis: One-Way 4 Hour Rentals Between Select Airports And City Centers For $19.99 With Free Gas Click here to view all eligible airports and city center locations. I checked a one-way rental from Brooklyn, NY (XB4) to Newark Airport (EWR) on 07/12 from 3pm to 7pm and a full size car, minivan, and SUV were all Want to continue reading this post? Click here!