The average bus between Newark and Princeton takes 2h 33m and the fastest bus takes 2h 12m. There is a bus service every few hours from Newark to Princeton. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run hourly between Newark and Princeton. The earliest departure is at 5:17 AM in the morning, and the last departure from Newark is at 8:30 PM which arrives into Princeton at 11:30 PM. All services require a transfer, and take on average 2h 33m. The schedules shown below are for the next available departures.

2h 33m • 1 change

2h 20m • 1 change

2h 28m • 1 change

2h 15m • 1 change

2h 12m • 1 change

2h 20m • 1 change

2h 33m • 1 change

2h 20m • 1 change

2h 12m • 1 change

2h 20m • 1 change

2h 33m • 1 change

2h 20m • 1 change
Want to know about travelling from Newark to Princeton? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Newark to Princeton. However, there are services departing from Newark station and arriving at Princeton station via Port Authority Bus Terminal. The journey, including transfers, takes approximately 2h 33m.
Newark to Princeton bus services, operated by NJ Transit, depart from Newark Penn Station.
Newark to Princeton bus services, operated by NJ Transit, arrive at Nassau St & Witherspoon St - Palmer Square station.
The distance between Newark and Princeton is 59.5 km. The road distance is 261 km.
You can take a bus from Newark Penn Station to Nassau St & Witherspoon St - Palmer Square via Port Authority Bus Terminal in around 3h 1m.