I found this when looking for prices at AAA.com. It answered my questions hope it helps you!
Disneyland® and Disney's California AdventureTM 3-Day and 4-Day Flex Passport exclusive savings to AAA members: The Disneyland® 3-Day and 4-Day Flex Passports are priced as follows:
3-day Flex Passport Adult: $111, Child: $87 (age 3-9)
4-day Flex Passport Adult: $137, Child: $107 (age 3-9)
entitling you to the following benefits:
Good for admission to Disneyland® Park and Disney's California AdventureTM (this precludes "park-hopping" you may visit only one park per day. However, if you purchase a package through Walt Disney Travel Company and stay at one of the three Disney properties, park-hopping is allowed when using the package flex passports).
Parking and one day early admission, subject to the Parks schedules. You can receive updated park information by calling Disney Guest Information at (714) 781-4565.
Convenience: You can enter the park directly without waiting in line for tickets
Free Parking: An exclusive for AAA members! Free parking in the Disneyland parking lot.
Early Entry Privileges: on a specified day, you will be eligible to enter Disneyland (only) one full hour prior to the general public (when available).
The 3-Day and 4-Day Flex Passports must be purchased in person at AAA offices. (The 5-day passport is no longer available.)
Please note: At this time, we are unable to offer specials or discounts on one-day or two-day passes. They need to be purchased in person at the park entrance.