We have a 25% discounted group rate for the Courtyard Marriott just a few miles from the venue MARCH 12-18TH. Scroll below for the discount link.
If you choose not stay at the Marriott, there are numerous hotels in and around Los Angeles. Hotels near the wedding venue in Downey, CA, are a 30-45min drive from each local airports (i.e. BUR, LAX, and ONT).
Other locations to consider: Hollywood,
Irvine (Disneyland), Pasadena, LAX