Sighnaghi works as a day trip, but a packed plan can turn a scenic town into a series of rushed stops. Pick two priorities: the town and one wine or cultural stop.
A calm sequence
Leave Tbilisi early, walk the walls and central lanes, then visit Bodbe or a winery depending on your interests. Keep lunch in the plan and allow time for the return journey rather than adding a distant extra stop.
Transport choices
Shared transport is cheaper but less flexible. A private driver makes winery stops practical; agree what is included and whether tasting fees are separate. A guided tour is simplest when you want someone else to coordinate the day.
When to stay overnight
Stay if you want more than a view: a slower walk, an evening meal or several tastings without watching the clock. Harvest season can be busy, so check rooms ahead.