AAT Kings (tel. 1300/228 546 in Australia, or 08/8956 2171; www.aatkings.com) provides a number of tours, including a 12-hour day tour to Kings Canyon from the Ayers Rock Resort for A$198 per person. You can book through AAT Kings or the resort. Be warned, you will have to start out at 4 or 5am, depending on the time of year.
Note: This information was accurate when it was published, but can change without notice. Please be sure to confirm all rates and details directly with the companies in question before planning your trip.