For 1-day tickets, Disneyland does not offer a lower price specifically for online purchases through their official website .
If you live in Southern California, Disney frequently runs online-only promotional deals for locals during off-peak seasons. A Warning on "Too Good to Be True" Deals cheaper to buy disneyland tickets online
Buying online allows you to skip the long ticket booth queues, which can save you an hour or more of prime park time. How to Actually Save Money Online For 1-day tickets, Disneyland does not offer a