Splitbin.com is offering free shipping on any purchase of wine from their website with the code SPLITBIN-FREESHIP. There's no minimum and they have bottles starting at $10.
There's also the code 25WINE which will get you 25% off a purchase. Codes can't be combined but in some cases the 25% off may be a better deal.
From their site: "Eligible Shipping Locations: We are able to ship to every state except: PA, MA, TX, NJ, SD, MD, and UT"