Helen Hayes Theater Seating Chart. The helen hayes theatre orchestra has 379 seats, making it the bigger of. The helen hayes theatre has a seating capacity of just 597 seats, which officially makes it the smallest theatre on broadway.

The helen hayes theatre orchestra has 379 seats, making it the bigger of. Since it’s a small theatre, helen hayes only has two seating sections namely, orchestra and mezzanine. The helen hayes theatre has a seating capacity of just 597 seats, which officially makes it the smallest theatre on broadway.