Amazon US currently has LEGO Ninjago 9445 Fangpyre Truck Ambush on sale for $36.24 (reg.$49.99). Destiny’s Bounty is also still available for $65.15 (reg.$79.99). Both sets ships for free and no tax to most states.
Some of the newer sets are also discounted like Ultra Sonic Raider for $71.95 (reg.$79.99) and Samurai Mech for $35.95 (reg.$39.99). More of their hottest LEGO deals can be found here.