اللَّهُمَّ بَارِكْ لَهُمْ فِيمَا رَزَقْتَهُمْ وَاغْفِرْ لَهُمْ وَارْحَمْهُمْ
Allahumma barik lahum fima razaqtahum, waghfir lahum warhamhum
O Allah, bless them in what You have provided for them, forgive them, and have mercy on them.
When the Prophet ﷺ was invited to eat at someone's home, he would make this du'a for his hosts. It is also appropriate when staying as a guest during travel.
Related Du'as
اللَّهُ أَكْبَرُ اللَّهُ أَكْبَرُ اللَّهُ أَكْبَرُ سُبْحَانَ الَّذِي سَخَّرَ لَنَا هَذَا وَمَا كُنَّا لَهُ مُقْرِنِينَ وَإِنَّا إِلَى رَبِّنَا لَمُنقَلِبُونَ
Allah is the Greatest (3x). Glory to the One who has subjected this for us, and we could not have done it ourselves. And indeed, to our Lord we will return.
Sahihاللَّهُمَّ اغْفِرْ لِي ذُنُوبِي وَافْتَحْ لِي أَبْوَابَ رَحْمَتِكَ
O Allah, forgive my sins and open for me the doors of Your mercy.
Hasanآيِبُونَ تَائِبُونَ عَابِدُونَ لِرَبِّنَا حَامِدُونَ
We return repentant, worshipping, and praising our Lord.
Sahihأَسْتَوْدِعُكَ اللَّهَ الَّذِي لَا تَضِيعُ وَدَائِعُهُ
I entrust you to Allah, whose trusts are never lost.
Sahih