Budget Travel - cheapest air from newark, nj to baltimore, md

anyone have any ideas? my son has to travel back and forth weekly...

thanks*

njpetsitter@gmail.com

Amtrak :D

http://www.greyhound.com/ can take you all the way to Mexico :)

definitely amtrak. think of all the Amtrak GR points!

VR is pretty good as well;
http://www.vr.fi/heo/eng/index.html

Unfortunately they don't serve either newark, nj or baltimore, md - but it's a reasonable service otherwise...