In the end, at the end, by the end

These three prepositional phrases look similar, but they have slightly different meanings.

In the end – the final part of a process

At the end – the ending point of something with a defined beginning and end

By the end – from a fixed point until the end of…

In the end, we decided to go to Sicily. – Al final, decidimos ir a Sicilia.

If you have any questions, you can ask me at the end of the class. – Si tienes alguna pregunta, me puedes preguntar al final de la clase.

By the end of the film, I loved it. – Hacia el final de la peli, me encantó.