You could say "Pack it for me", although it'd probably come across as rude to whoever you were saying it to, and they would probably be slightly confused. I used to be a server at a restaurant, and the most common thing to say when you want to bring food home to eat is, "Can I please have this to go" or "Can I get that in a to go box?" Also, if you decide to eat at a restaurant but can't finish your food and want to take it home I would say, "could I please have a "to go box" for the rest of my food." I hope this helped haha. If you have any more questions feel free to ask!