Question : Are prices changing frequently for this route?
Answer : Flight prices for RDU to LAS fluctuate a lot more than most. However, the sooner you book, the better price you tend to get.
Question : What day in the next four weeks has the best fares?
Answer : Since low prices are preferred, look at December 7th. As of November 28th, the cheapest ticket sales are coming in 22% below the average price for this route, so you can spend that extra money on an adventure in Las Vegas.
Question : Which day has the most flight time options?
Answer : Wednesday has the most flight times for Raleigh to Las Vegas with 18.
Question : Best case scenario, how quickly can someone get to LAS from RDU?
Answer : The fastest direct flight is 40 minutes via Southwest Airlines. If you catch the 12:25 PM EST departure, you'll arrive at 2:05 PM PST (remember, there is a three-hour time change).