DestinationCoupons offers a Grand Canyon Tour Company Grand Canyon South Rim Bus Tour from Las Vegas, NV, for $75.99. (Click "Buy Now Online" to book.) That's tied with our mention from a month ago and $18 under the best price we could find for such a tour elsewhere online. This 14-hour tour features hotel pickup, morning snack, free WiFi, all-you-can-eat lunch buffet, and three hours inside Grand Canyon National Park. This travel deal ends December 31. Reservations can be made one day to one year in advance.