There are a few choices for accommodation in Palmerston. Please note that Darwin City is 20km from Palmerston.
The following accommodation is within 5km of Palmerston City
Big 4 Howard Springs Holiday Park
ChangeFest will provide a bus from Darwin City Interchange to Palmerston at 8.15am and returning at the end of each day. If you can only find cheap accommodation in the city, this should help with getting to ChangeFest.