Lawndale is best explored by car or bike. If you're flying in, the closest airport is Los Angeles International Airport (LAX), which is about 8 miles away from Lawndale. Taxis, Ubers, and Lyfts are also widely available in the area.
If you have more time, visit The Broad museum in downtown LA or take a stroll on the Santa Monica Pier. If you have less time, consider removing Getty Villa or Universal Studios Hollywood from the itinerary.