If your trip to Rennes Airport (RNS-Saint-Jacques) is all organized but your travel itinerary is looking a little empty, we can give you a few hints and tips.Why waste time hanging around in the airport when you've got Parliament of Brittany sitting within easy reach?Travelers from all over the place come to see Rennes Cathedral, so make it one of your first stops after you hop off the plane. Also worth a look are Place de la Gare and Le Liberte.