Welcome to the Disney Parks Moms Panel, Kelsey!
You can absolutely add Disney's Magical Express Bus Service separately from your vacation package. All you need to do to reserve your pixie-dusted ride is to call (407) 939-1936 - make sure you have your Walt Disney World® Resort hotel reservation confirmation number and flight info handy and you're good-to-go! I've also included more great information on
Disney's Magical Express Service, just select the highlighted link to read all about it.
Another tip is to make sure you have your MagicBand in your carryon or purse when you arrive at Orlando International Airport. Cast Members will scan your MagicBand at the Magical Express Check-in Kiosk to confirm your reservation and direct you to the appropriate bus line.
I hope this is helpful in your planning, Kelsey! Please let me know if you should have any additional questions. I am here to help.
Have a magical journey aboard the Magical Express!
Faith