Take the 2 train from Penn Station to Bergen St. station. From there, it is a short walk to Park Slope. The trip will take approximately 35 minutes.
Option 2: Bus
Take the B63 bus from 7th Avenue and 33rd Street to 4th Avenue and 9th Street. From there, it is a short walk to Park Slope. The trip will take approximately 45 minutes.
Option 3: Taxi or Uber
A taxi or Uber ride from Penn Station to Park Slope will cost approximately $20-25 and take around 20-25 minutes.