George Mason University to Newark Airport, NJ buses and trains from $73

Here are some trips other travelers have found on Routefriend.
$73
6h 6m
2 stops
Amtrak NJTransit
$114
8h 31m
2 stops
Amtrak NJTransit
$147
4h 52m
1 stop
Amtrak NJTransit
$151
4h 58m
1 stop
Amtrak NJTransit
$157
4h 55m
1 stop
Amtrak NJTransit
$162
5h 19m
1 stop
Amtrak NJTransit
$164
5h 25m
1 stop
Amtrak CoachUSA
$182
5h 52m
1 stop
Amtrak Amtrak