Reserving a rental car for your trip to Houston is a cinch with Expedia. About 3 kilometers from Houston Zoo, Enterprise is one of multiple car rental companies that are close by. Also take a look at the offers at Thrifty Car Rental and Dollar. Even if you need a ride today, you can key in your pick-up and drop-off locations to view incredible deals from a wide variety of suppliers. Pick the one that fits your needs, or check the “Great Deal” filter for more exclusive prices.