Hannity is perhaps the most frequent interviewer of the ubiquitous Republican front-runner.
Free tickets are available via this Eventbrite page, seating is on a first-come, first-served basis.
In addition to the interview with Hannity, the campaign announced a second event at the David L. Lawrence Convention Center.
Last week, the Trump campaign opened its first Pennsylvania office at the Jonnet Building in Monroeville.
The candidates have two weeks until the April 26th primary.