Just in the regular grocery store, in the same place as the peanut butter, jams, and other honey. For reference, I live in the Pacific NW USA. This is the kind I can find here:
http://www.amazon.com/Silverbow-Creamed-Honey-20-Ounces-Pack/dp/B001EQ4RRG
I first got turned on to it by my homestay family in London though, its yummy on pancakes too