Why does the Torah relate that Yakov returned home to his father, and not his mother (who was at least as instrumental as his father in sending him to Charan, and even more so in saving him from Esav?
Ha'Emek Davar: He longed for his father's house (i.e. his mother is included - PF). This was dearer to him than Eretz Kena'an, which is mentioned afterwards.
Perhaps it is because Kivud Av comes before Kivud Em, for also his mother must honor her husband. (PF)
The Torah wrote "to his father" for this was fulfilled (but Rivkah died before he returned home - PF).
Why does the Torah mention both "el Yitzchak Aviv" and "Artzah Cana'an"?
Oznayim la'Torah: Yakov now set his sights, on returning to fulfill both the Mitzvah of Kibud Av and that of living in Eretz Cana'an, thus turning into a double Shali'ach Mitzvah - to protect himself against the dangers of Lavan and of Eisav.