Tree Lighting Millennium Park Chicago 2024 Season. The city of chicago's christmas tree in millennium park will be lit friday for the 2024 season. The event marks the official start of the holiday season in the city and features a variety of festive activities and performances.

The event marks the official start of the holiday season in the city and features a variety of festive activities and performances. Chicago’s famous christmas tree will soon be light up for the 2024 season in millennium park.