The verb arrive is never used with the preposition to:
✗ He meets them at an inn before they arrive to the house.
✓ He meets them at an inn before they arrive at the house.
Arrive can be used with at or in:
▪ you arrive at a building (such as an airport or restaurant)
…the scene in which Robyn arrives at the factory for the first time
▪ you arrive in a geographical location (such as a city or country)
A delegation of senior French ministers will arrive in London today.
▪ you can also use arrive at in a figurative way, meaning “to reach a particular goal or point in a process”
We all arrived at the same conclusion independently.
The court will arrive at a final decision next week.
Note that with the word home, no preposition is used:
✗ When they finally arrive at home, all they want to do is sleep.
✓ When they finally arrive home, all they want to do is sleep.