B&H has the full frame Canon 6D with 24-105mm f/4L IS lens for $1999 (reg. $2499). Check it out here at B&H Photo.
Additionally, B&H has the Canon 6D body for only $1749 (reg. $1899). However, you should probably get the kit even if you already have the lens and just sell it. You’re certain to make better than $250 on it. You can find the body only here at B&H Photo.