There are a few minihotels around town. If you come on a budget tour with Sinh Café, you'll stay at 77 Than Tra Hotel, 77 Thu Khoa Nghia St. (tel. 076/386-6845), or something similar: cellblock basic, but cheap, with air-conditioning.
Note: This information was accurate when it was published, but can change without notice. Please be sure to confirm all rates and details directly with the companies in question before planning your trip.