It's best to rent a car or have your own for this trip, as the attractions mentioned require some driving between them. Expect to pay around $40-50 per day for a car rental. The distance from Los Angeles International Airport (LAX) to Azusa is about 40 miles, and you can expect to pay around $50-60 for a taxi and around $60-70 for an Uber or Lyft.
If you have more time, consider visiting the Santa Fe Dam Recreation Area for a picnic or bike ride. If you have less time, consider skipping San Dimas Canyon Park or the Azusa Greens Country Club. Don't forget to bring comfortable clothing and shoes, sunscreen, and plenty of water.
The closest airport to Azusa is Ontario International Airport (ONT), located about 20 miles away from the city center. The Los Angeles International Airport (LAX) is about 40 miles away from Azusa. Both airports have car rental facilities and taxi/ride-hail services available.