Amazon offers Prime members LEGO Jurassic World for PS Vita for $14.99 with free shipping. (Best Buy offers it for the same via in-store pickup.) Non-members can spend $49 to bag free shipping; otherwise, it adds $4.98.) That's the lowest total price we could find by $5, excluding the mention below.
A close price: Walmart offers it for $15.75 with free store pickup.