You can reach Ujjain via train (specific trains), bus, air, or private vehicles.
AIR: Flights are available from almost every city to Indore. One can easily reach Ujjain from Indore. Ujjain is approximately 60 kms from Indore.
Please Note: During the Main Bathing Dates (Shahi Snaan) of the Purna Kumbh Mela, in accordance with the directions of the Mela authorities, entry of private vehicles is prohibited in the Mela area, but for the convenience of the travelers; buses, autos, rickshaws and other means will be available till a certain point.