The Oklahoma Aquarium offers coupons and information about discount admission online at OKAquarium.org. Additional coupons can be obtained by visiting coupon websites such as PromoPro.com.
Free admission is available to children ages 2 and under, and free admission is one of the benefits of becoming a member of the Oklahoma Aquarium. Discount admission is offered to parties of 20 people or more, and guests who present a valid Oklahoma fishing and hunting license receive $2 off the cost of admission as of 2015. Schools and educational organizations can receive donated tickets by filling out the online request form. Requests must be submitted one month in advance.