It is recommended to rent a car to get around Azusa, California. The city has a limited public transportation system which may not cover all the places one would want to explore. There are several car rental companies at the airports with reasonable rates. The nearest airport is LA/Ontario International Airport, which is about 23 miles away from Azusa, and Los Angeles International Airport is about 40 miles away. The average car rental cost in Azusa is around $35-$40 per day, expect to pay around $30-$50 for a taxi ride from the airport to Azusa.
If you have more time, consider exploring nearby areas such as Santa Fe Dam Recreation Area and hiking trails in San Gabriel Mountains. If you have less time, you can skip the Citrus Crossing Shopping Center and spend more time at either Azusa Greens Country Club or Whittier Narrows Recreation Area. Don't forget to bring sunscreen, comfortable shoes, and a hat.
The nearest airport is the LA/Ontario International Airport (ONT), located in Ontario, CA, about 23 miles east of Azusa. Los Angeles International Airport (LAX) is also an option, but it is about 40 miles away from Azusa. Both airports are served by many airlines such as American, Delta, United, and Southwest, making it easy to find a flight to fit your needs.