Yes you could use a flash drive or you could go into your download history on the new console and download it again. As long as you are on the profile that you paid for the maps with you can use them on any console. You'll just have to transfer the license
to the new box if you want to play it offline.
Did this solve your problem?
Sorry this didn't help.
Great! Thanks for marking this as the answer.
How satisfied are you with this reply?
Thanks for your feedback, it helps us improve the site.