What is the last day to buy a Premium Pass? FAN EXPO HQ June 28, 2017 20:47 Updated Follow The exact cutoff date has not yet been released, and advance ticket sales typically close 1-3 days before the show. We strongly recommend purchasing in advance here. Related articles Which FAN EXPO HQ shows does a 2017 Boston Comic Con Premium Pass get me entrance to? Comments 0 comments Article is closed for comments.