Adios - Goodbye

Yesterday we learned hello hola, so I thought today it would be fitting to say goodbye adiós !

Goodbye = ¡Adiós!

You could also say. Rough translations.

¡Hasta la vista! = Till we see each other again.
¡Hasta la próxima! = Till the next time we meet.
¡Hasta mañana! = Until tomorrow (literal translation)
¡Hasta luego! = Until later (literal translation)
¡Hasta pronto! = See you soon.