From Airport to AIJ Hall (Venue)
Google Map: You can search how to access AIJ Hall by input From “HND” or “NRT” and TO “AIJ Hall”.
From HND (Tokyo International Airport) to AIJ Hall: About 30 minutes by train (Keikyu 京急)
From NRT (Narita International Airport) to AIJ Hall: About 90 minutes (Keisei 京成)
There are many private sites and SNS. Below is the official Tokyo travel guide published by Tokyo Convention & Visitors Bureau (10 languages).