
The only entrance ticket you should buy is for the Chinese Lantern Festival, which not only allows you to see amazing displays and cool cultural performances (like a girl juggling chairs and a huge urn with her feet), but also includes entrance to the CNE. Buy the festival tickets in the day to get into the CNE and end the date with an evening at Ontario Place, where they also have food kiosks (ha! Mandarin!) if you crave Asian cuisine. ETA: I just found out it's free AFTER 6pm! Be forewarned!