Toys "R" Us via eBay offers the LEGO Movie Benny's Spaceship, Spaceship, Spaceship! Set, model no. 70816, for $79.99 with free shipping. That's tied with our mention from last month and the lowest total price we could find by $15. This kit includes 940 pieces, including four minifigures and accessories.
Note: It's not guaranteed for delivery by Christmas.