Las Vegas Combo Tour: Grand Canyon Helicopter Flight and Colorado River Float Day Trip. Escape to the Grand Canyon for this full-day sightseeing adventure. Enjoy a scenic, 1-hour flight from Las Vegas to the West Rim of the Grand Canyon, flying over the famous Hoover Dam and beautiful Lake Mead along the way. After a return flight over the Mojave Desert and other natural wonders, take a boat float down the Colorado River, through the Black Canyon, with an optional swim and boxed picnic lunch at a secluded beach. Lunch, bottled water and all transportation, including a Las Vegas hotel pickup/drop-off, are included. Book this Las Vegas Combo Tour: Grand Canyon Helicopter Flight and Colorado River Float Day Trip From $439.99.