From Longman Dictionary of Contemporary Englishhouse guestˈhouse ˌguest noun [countable] STAY WITH SB, IN A HOTEL ETCa friend or relative who is staying in your house for a short time
Examples from the Corpus
house guest• One teensy hope she held on to was that a workman or a house guest had left the pot there.• And tomorrow I would like you to come and be my house guest in Hampshire. 