Van Der Valk - Mons We have an agreement until September to pre-book comfort rooms (single or double occupancy) at the price of 140€/night. B&B - Mons We have an agreement until September to pre-book standard rooms (single or double occupancy) at approximatively 100€/night. AirBnB Airbnb is a great option if you’re coming with a group. The city of Mons isn’t big, so you can book by choosing accommodation in the center or near the boulevards.