All the Halloween fun is included with your price of admission to the Denver Zoo. Tickets can be purchased in advance online, and cost $17 for adults, $14 for seniors ages 65+, $12 for children ages 3-11, and free for children 2 and under. Spend a day with the animals of this highly acclaimed zoo, including sea lions, camels, zebras, lions, polar bears and kangaroos. Situated just 3.5 miles from the Denver Zoo, our newly renovated hotel is a premium choice for family lodging in the area. Would you like to know more about Halloween Boo at the Denver Zoo? Please contact us at your convenience at 1 (888) 388-6129 for more information and to make your hotel booking.