YOU SAID:

when will dad come back

INTO JAPANESE

お父さんはいつ帰ってきますか

BACK INTO ENGLISH

When will my dad come home?

INTO JAPANESE

お父さんはいつ帰宅しますか？

BACK INTO ENGLISH

When will my father go home?

INTO JAPANESE

父はいつ家に帰りますか？

BACK INTO ENGLISH

When will my father go home?