| Departure: | Washington, DC | 
| Arrival: | Princeton Junction, NJ | 
| Fastest route: | 2h 32min | 
| Distance: | 299km | 
| Cheapest route: | $59 | 
| Transfers: | Between 0 and 1 | 
| Train companies: | Amtrak | 
One Passenger / One Trip
2:00pm
Washington, DC
Washington - Union Station
5:52pm
Princeton Junction, NJ
Princeton Junction
3h 52min
+
$148
2:00pm
Washington, DC
Washington - Union Station
3:30pm
Philadelphia, PA
Philadelphia - 30th Street Station
1h 30min
Amtrak
Acela Express
$123
1h 48min layover
5:18pm
Philadelphia, PA
Philadelphia - 30th Street Station
5:52pm
Princeton Junction, NJ
Princeton Junction
0h 34min
Amtrak
Keystone Service
$25
2:05pm
Washington, DC
Washington - Union Station
5:52pm
Princeton Junction, NJ
Princeton Junction
3h 47min
+
$83
2:05pm
Washington, DC
Washington - Union Station
3:54pm
Philadelphia, PA
Philadelphia - 30th Street Station
1h 49min
Amtrak
Northeast Regional
$58
1h 24min layover
5:18pm
Philadelphia, PA
Philadelphia - 30th Street Station
5:52pm
Princeton Junction, NJ
Princeton Junction
0h 34min
Amtrak
Keystone Service
$25
3:00pm
Washington, DC
Washington - Union Station
5:52pm
Princeton Junction, NJ
Princeton Junction
2h 52min
+
$148
3:00pm
Washington, DC
Washington - Union Station
4:34pm
Philadelphia, PA
Philadelphia - 30th Street Station
1h 34min
Amtrak
Acela Express
$123
0h 44min layover
5:18pm
Philadelphia, PA
Philadelphia - 30th Street Station
5:52pm
Princeton Junction, NJ
Princeton Junction
0h 34min
Amtrak
Keystone Service
$25
3:05pm
Washington, DC
Washington - Union Station
5:52pm
Princeton Junction, NJ
Princeton Junction
2h 47min
+
$83
3:05pm
Washington, DC
Washington - Union Station
4:57pm
Philadelphia, PA
Philadelphia - 30th Street Station
1h 52min
Amtrak
Northeast Regional
$58
0h 21min layover
5:18pm
Philadelphia, PA
Philadelphia - 30th Street Station
5:52pm
Princeton Junction, NJ
Princeton Junction
0h 34min
Amtrak
Keystone Service
$25
3:30pm
Washington, DC
Washington - Union Station
7:39pm
Princeton Junction, NJ
Princeton Junction
4h 9min
+
$91
3:30pm
Washington, DC
Washington - Union Station
5:23pm
Philadelphia, PA
Philadelphia - 30th Street Station
1h 53min
Amtrak
Northeast Regional
$58
1h 39min layover
7:02pm
Philadelphia, PA
Philadelphia - 30th Street Station
7:39pm
Princeton Junction, NJ
Princeton Junction
0h 37min
Amtrak
Northeast Regional
$33
4:00pm
Washington, DC
Washington - Union Station
7:39pm
Princeton Junction, NJ
Princeton Junction
3h 39min
+
$156
4:00pm
Washington, DC
Washington - Union Station
5:30pm
Philadelphia, PA
Philadelphia - 30th Street Station
1h 30min
Amtrak
Acela Express
$123
1h 32min layover
7:02pm
Philadelphia, PA
Philadelphia - 30th Street Station
7:39pm
Princeton Junction, NJ
Princeton Junction
0h 37min
Amtrak
Northeast Regional
$33
4:02pm
Washington, DC
Washington - Union Station
7:39pm
Princeton Junction, NJ
Princeton Junction
3h 37min
+
$91
4:02pm
Washington, DC
Washington - Union Station
5:56pm
Philadelphia, PA
Philadelphia - 30th Street Station
1h 54min
Amtrak
Northeast Regional
$58
1h 6min layover
7:02pm
Philadelphia, PA
Philadelphia - 30th Street Station
7:39pm
Princeton Junction, NJ
Princeton Junction
0h 37min
Amtrak
Northeast Regional
$33
5:00pm
Washington, DC
Washington - Union Station
7:39pm
Princeton Junction, NJ
Princeton Junction
2h 39min
+
$156
5:00pm
Washington, DC
Washington - Union Station
6:30pm
Philadelphia, PA
Philadelphia - 30th Street Station
1h 30min
Amtrak
Acela Express
$123
0h 32min layover
7:02pm
Philadelphia, PA
Philadelphia - 30th Street Station
7:39pm
Princeton Junction, NJ
Princeton Junction
0h 37min
Amtrak
Northeast Regional
$33
5:05pm
Washington, DC
Washington - Union Station
7:39pm
Princeton Junction, NJ
Princeton Junction
2h 34min
Amtrak
Northeast Regional
$79
5:05pm
Washington, DC
Washington - Union Station
7:39pm
Princeton Junction, NJ
Princeton Junction
2h 34min
+
$91
5:05pm
Washington, DC
Washington - Union Station
7:00pm
Philadelphia, PA
Philadelphia - 30th Street Station
1h 55min
Amtrak
Northeast Regional
$58
0h 2min layover
7:02pm
Philadelphia, PA
Philadelphia - 30th Street Station
7:39pm
Princeton Junction, NJ
Princeton Junction
0h 37min
Amtrak
Northeast Regional
$33
6:00pm
Washington, DC
Washington - Union Station
8:37pm
Princeton Junction, NJ
Princeton Junction
2h 37min
+
$156
6:00pm
Washington, DC
Washington - Union Station
7:30pm
Philadelphia, PA
Philadelphia - 30th Street Station
1h 30min
Amtrak
Acela Express
$123
0h 31min layover
8:01pm
Philadelphia, PA
Philadelphia - 30th Street Station
8:37pm
Princeton Junction, NJ
Princeton Junction
0h 36min
Amtrak
Northeast Regional
$33
6:05pm
Washington, DC
Washington - Union Station
8:37pm
Princeton Junction, NJ
Princeton Junction
2h 32min
Amtrak
Northeast Regional
$59
6:05pm
Washington, DC
Washington - Union Station
8:37pm
Princeton Junction, NJ
Princeton Junction
2h 32min
+
$72
6:05pm
Washington, DC
Washington - Union Station
7:58pm
Philadelphia, PA
Philadelphia - 30th Street Station
1h 53min
Amtrak
Northeast Regional
$39
0h 3min layover
8:01pm
Philadelphia, PA
Philadelphia - 30th Street Station
8:37pm
Princeton Junction, NJ
Princeton Junction
0h 36min
Amtrak
Northeast Regional
$33
          The Washington - Princeton Junction route has approximately 13 frequencies and its minimum duration is around 2h 32min. It is important you book your ticket in advance to avoid running out, since $59 tickets tend to run out quickly. 
 The distance between Washington and Princeton Junction is around 299 kilometers and bus companies that can help you in your journey are: Amtrak.
          
        
The train journey may vary depending on the stops. The minimum duration is usually around 2h 32min to cover 299 kilometers.
According to our data, the cheapest ticket costs $59 and leaves Washington - Union Station. You will not have to do any transfers, the trip will go direct to Princeton Junction.
The last train leaves at 6:05pm from Washington - Union Station and arrives at 8:37pm at Princeton Junction. It will take 2h 32min, its price is $72 and the number of changes will be 1.
Yes, there are direct train routes, their duration is usually around 2h 34min and the price is $79.