I recently discovered a great website in both French and English to assist with travel planning.
France-Voyages.com offers, among other things, practical guides to all regions of France, and information on accommodations, restaurants and activities. You can search by “cheap weekend” to find deals for your destination. You can look up “unusual” or original weekend ideas and learn about activities you may not have thought of.
One of my favorite features of this website is the How To Get There page, where you can put in any two destinations (where at least one point is in France) and it will compare prices across modes of transport–plane, bus, train, etc.
It’s worth spending a few minutes exploring the site and seeing what else it has to offer!