The workhorse Grand Canyon day trip: a full day from Sedona (or Flagstaff, if that's where you're based) to the South Rim and back, with the drive itself as part of the show — up through Oak Creek Canyon, across the Colorado Plateau, and into the park without touching a parking problem or an entrance line.
At the rim you get the signature viewpoints plus free time in Grand Canyon Village, with a guide narrating the geology and history that turn a view into a story. If you want the classic day trip done properly at a fair price, this is it.