How much does it cost to add HBO to DIRECTV?
DirecTV. DirecTV doesn't really have a cheap HBO deal, though it offers new subscribers three months of the channel for free. After that, it costs as much as the regular service (current best deal is $25 a month for 12 months, which increases to $50/month afterwards) plus $18 a month for HBO.Dish.his price does not expire after a year. If you add Internet, it will cost an additional $40 a month. Comcast (about $50/month; $70/month after 1 year). The Internet Plus package includes Internet access (up to 25 Mbps), a basic channel lineup (about 10 channels, mainly broadcast networks) and HBO.