You will need a car to get around Agoura Hills. Renting a car will cost around $50-100 per day, depending on the type of vehicle you choose. It will take around 20-30 minutes to drive between each location on this itinerary, so plan accordingly.
If you have more time, consider adding a hike in the Santa Monica Mountains, visiting the beaches in Malibu, or exploring the Gardens of the World. If you have less time, skip the spa and spend more time at the winery, or opt for a sunset dinner at Geoffrey's Malibu.
The closest airport to Agoura Hills is Burbank Bob Hope Airport (BUR), which is about 30 miles away. It typically takes around 45-60 minutes to drive to and from the airport, depending on traffic. Other nearby airports include Los Angeles International Airport (LAX), which is about 40 miles away, and Hollywood Burbank Airport (BUR), which is about 35 miles away.