Yes we absolutely should pray to saints, for in order to be saved yourself you need to learn to be in the company of saints.
On second thought...
pray one for another, that you may be saved. For the continual prayer of a just man availeth much. (James 5:16)
You are under the counterscriptural illusion that mutual intercessions are restricted to people on earth. Not so: the saints have life everlasting.
This was discussed at great length already, in the first couple hundred posts. Why don't you try reading the thread from the beginning?