Look for a multi day pass package as you can probably find a dual park pass for $99 a day. You'll want a fastpass if going during peak season. Otherwise you won't necessarily need it.
If you are going over spring break, the attendance is so high over this peak season that you will not be able to ride much during the day without a fast pass. Fast passes can cost double the amount of a normal peak season ticket, but really might be worth the expense if you are wanting to ride several rides.
And if you want the express pass so you can actually ride the rides rather than standing in lines all day, its $179ish per day in addition to the entrance fee. But goes as low as $99 depending on the date you go (off season being cheaper).
I bought a 3day 2 park pass 275 per person. One day was 89 one park 99 two park .
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