Also check online for deals, I found a BUY one ticket, get one HALF OFF deal not long ago by searching on google for discounts
If you just go for the day a pass for an adult is $40 and kids under 42 inches $30. 2 and under are free. And there's is dicounted prices after 4pm. 😌
I found Peace bridge duty free the best for Splash Lagoon tickets with stay https://www.dutyfree.ca/travel-exclusives/splash-lagoon-splash-save-package
They have lots of pricing options. A basic overnight stay with to days at the park is around $225. But this is an example
Thanks! Your answer is awaiting moderation.