2025-09-29 PACK EXPO Las Vegas 2025 PACK EXPO Las Vegas 2025 September 29 @ 9:00 am - October 1 @ 3:00 pm PACK EXPO Las Vegas 2025 PACK EXPO Las Vegas is the the largest packaging and processing show of 2025. Held (Sept. 29-Oct. 1) at Las Vegas Convention Center. PAC Machinery's exhibit is W-2344.