You could say "bienvenido abordo".
you say welcome aboard I don't know why but that seems to be the case
'bienvenue à bord'
welcome abourd or welcome onboard is both good because the both make sence
A Bordo De :)
よこそう yokoso means welcome in general
bienvenido
Bienvenido
Bienvenido(a) a
Bienvenido
bienvenidos
The duration of Welcome Aboard Toxic Airlines is 1.55 hours.
The phrase "Welcome to the States" translated into Spanish is "Bienvenidos a los Estados"