If your current landlord doesn't agree to a monthtomonth lease, try for a 6month lease. For tenancies between 6 months and 3 years, a 60day notice must be provided.For tenancies 6 months3 years, must give 60 days notice or tenant can stay for 60 days. You could find a sub-lease with only 6 (or however many) months available. You and the owner can negotiate any legal terms to the lease, including the length (legally, leases for a residence are limited to just a few years) The length of the rental will remain the same. In other words, if the rental was for six months, then it renews for another six months. In the event that Landlord accepts from Tenant new rent, a month-to-month tenancy shall be created. You need pay only the amount of rent the landlord loses because you moved out early. An Illinois month-to-month rental agreement is a legal contract that authorizes a tenant to rent a property without a fixed end date.