Usage patterns
帰りが〈形容詞〉to be (late/early, etc.) coming back
It looks like I'll be getting home late today.
〈人〉の帰りを待つto wait for someone to come back
The mother was waiting for her son's return.
帰りに〈場所〉に寄るto stop by a place on the way back
I stopped by the supermarket on the way back and did some shopping.
帰りの〈物〉the (train/bus/etc.) for the way home
I ran into a friend on the train home.
Expressions
帰りしなwhen about to go back; just before leaving · on the way back; on the way home