The closest hotels near SDSU and Viejas Arena are about 3-4 miles away. There's the Holiday Inn, Howard Johnson, and Heritage Inn which are the closest. About 10/15 mins away in the Mission Valley area are plenty of hotels to choose from.
You'll find mostly smaller hotels/ motels near the Viejas Arena. You'll find most popular hotels in Mission Valley about 10 minutes from Viejas Arena. Plan accordingly for traffic, a ten minute drive can turn into a 30 minute drive depending on the time of day or event at the Arena.
Thanks! Your answer is awaiting moderation.