Cityrama and Paris-Vision run full-day bus excursions from Paris to Mont-St-Michel for EUR 155, meals and admission included.
This is definitely not for the faint of heart—buses leave Paris at 6:45 or 7:15 am and return around 10:30 pm.
In Caen, the Mémorial organizes four-hour English-language daily minibus tours of the D-Day landing beaches; the cost is EUR 69, including entrance fees.
Normandy Sightseeing Tours runs a number of trips to the D-Day beaches and Mont-St-Michel; a full-day excursion to the D-Day beaches (8:30-6) costs EUR 75.
Cityrama (4 pl. des Pyramides, 75001, Paris. 01-44-55-61-00. www.cityrama.fr). Mémorial (02-31-06-06-44. www.memorial.fr). Normandy Sightseeing Tours (618 rte. du Lavoir, 14400, Mosles. 02-31-51-70-52. www.normandywebguide.com). Paris-Vision (214 rue de Rivoli, 75001, Paris. 08-00-03-02-14. www.parisvision.com).