Molasses has a stronger flavor than most other syrups so you'll want to look for light molasses or cane syrup as it is sometimes referred to. This has a higher sugar content than blackstrap molasses which makes it a better substitute for honey.
This is a common honey replacement for vegans as the taste is one of the most similar. You may also see it referred to as Rice Malt Syrup. It is harder to come by but you can find it in most natural food stores.
You can easily substitute honey for sugar. Keep in mind when baking that honey adds moisture so if your batter comes out dry, you may want to increase the liquids a bit.
Better yet, make a simple syrup!