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Union Square to Princeton trains

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Trip Overview

The average train between Union Square and Princeton takes 1h 26m and the fastest train takes 1h 3m. The train runs at least 2 times per hour from Union Square 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.

1h 26m
Duration
51 mi
Distance
$18
Average price
Every 30 minutes
Frequency

Union Square to Princeton train times

Trains run every 30 minutes between Union Square and Princeton. The earliest departure is at 7:11 AM in the morning, and the last departure from Union Square is at 11:14 PM which arrives into Princeton at 12:38 AM. All services require a transfer, and take on average 1h 26m. The schedules shown below are for the next available departures.

Departing Saturday, October 10, 2026

  •  → 

    NJ TransitNJ Transit1h 23m • 1 change
  •  → 

    NJ TransitNJ Transit1h 24m • 1 change
  •  → 

    NJ TransitNJ Transit1h 24m • 1 change
  •  → 

    NJ TransitNJ Transit1h 24m • 1 change
  • Show more

Departing Sunday, October 11, 2026

  •  → 

    NJ TransitNJ Transit2h 4m • 1 change
  •  → 

    NJ TransitNJ Transit1h 26m • 1 change
  •  → 

    NJ TransitNJ Transit1h 25m • 1 change
  •  → 

    NJ TransitNJ Transit1h 17m • 1 change
  • Show more

Frequently asked questions

Want to know about travelling from Union Square 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.

Map of how to get from Union Square to Princeton.ExpandLaunch map view
  • Distance: 51 mi
  • Duration: 1h 26m

What companies run services between Union Square, NY, USA and Princeton, NJ, USA?

NJ Transit operates a train from New York Penn Station to Princeton Jct. every 30 minutes. Tickets cost $2–21 and the journey takes 1h 13m.

Operators