One-Day Tickets are 20% off at 6,000 yen for purchases from 30 November 2023 to 6 October 2024 as the Super Early Bird Tickets, and 10% off at 6,700 yen from 7 October 2024 to 12 April 2025 as the Early Bird Tickets.

https://ticket.expo2025.or.jp/en/faq/