It is recommended to rent a car in Normandy to easily get around to the various sites. Expect to spend around €50-€75 for a one-day rental. The drive from Bayeux to Mont Saint-Michel takes around 2 hours, and parking is available near each site.
If you have more time, consider adding a visit to the D-Day landing beaches or exploring the charming town of Honfleur. If you have less time, you could skip the Musée Mémorial de la Bataille de Normandie and spend more time at Mont Saint-Michel.
The nearest airport to Normandy is Caen-Carpiquet Airport (CFR), located about 30 km from Bayeux. Other airports in the region include Deauville-Saint-Gatien (DOL) and Dinard-Pleurtuit-Saint-Malo (DNR), both of which are around 2 hours from Bayeux by car.