The average bus between Princeton and Washington DC takes 5h 31m and the fastest bus takes 4h 53m. The bus service runs several times per day from Princeton to Washington DC. 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 4 times a day between Princeton and Washington DC. The earliest departure is at 6:00 AM in the morning, and the last departure from Princeton is at 7:00 PM which arrives into Washington DC at 11:53 PM. All services require a transfer at New Brunswick and take an average of 5h 31m. The schedules shown below are for the next available departures.


6h 14m • 2 changes


5h 15m • 2 changes


5h 25m • 2 changes


5h 28m • 2 changes


6h 7m • 2 changes


5h 7m • 2 changes


6h 19m • 2 changes


5h 31m • 2 changes


6h 10m • 2 changes


5h 11m • 2 changes


6h 23m • 2 changes


5h 30m • 2 changes
Want to know about travelling from Princeton to Washington DC? 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 Princeton to Washington DC. However, there are services departing from Princeton station and arriving at Washington DC station via Washington Union Station station. The journey, including transfers, takes approximately 5h 31m.
Princeton to Washington DC bus services, operated by Suburban Transit, depart from New Brunswick station.
Princeton to Washington DC bus services, operated by Suburban Transit, arrive at Washington Union Station.
The distance between Princeton and Washington DC is 260 km. The road distance is 346 km.
Flixbus USA operates a bus from New Brunswick to Washington Union Station 4 times a day. Tickets cost $26–45 and the journey takes 3h 40m.