Find great value on Spirit Airlines flights from PDX to LAS when you book with CheapOair! Fun never seems to take a back seat in the entertainment capital of the world, Las Vegas. With ultra lavish casinos and hotels to charm you, and party like atmosphere throughout the year, this is one destination that should be on the top of your list. Check out Adventuredome which is one of America's largest indoor theme parks featuring more than 25 exciting rides. Enjoy the stunning roller coaster ride at the New York Hotel and try your luck at the MGM Grand Casino. Make sure you watch the world famous fountain show at the Bellagio, if time permits, then also visit the Bellagio Gallery of Fine Art.