$119.99 deal available in many northeast markets (can't comment elsewhere)
Enter service address at link above to see prices available.
If already an existing customer but not in contract (or even if you are) you may be able to get this deal by calling and say "cancellation" get a retention rep. if you can't get the $119 rate, you can get a $144.99 rate which may be cheaper than what you have now and offer more service. (1800 COMCAST)
See screenshot for details (and also a more advance package option)
Assuming phone modem rental, any extra boxes, the usual fees, expect to about $150-160 total.