The admission price for the Philadelphia Zoo in 2014 was $20 per adult ticket. As of 2015, the admission price for the zoo is $20 from March 1, 2015, through October 31, 2015. From November 1, 2015 through February 28, 2016, an adult ticket costs $16.
As of 2015, Philadelphia Zoo members can attend for free on any day. Tickets for children ages 2 to 11 are $18 during in season and $16 during the winter season. Children under age 2 are allowed in free any day of the year. Visitors who need parking must pay $15 per vehicle. The Philadelphia Zoo is open every day except Thanksgiving, Christmas Eve, Christmas, New Year's Eve and New Year's Day.