In general, when booking your flight to Las Vegas, March is the cheapest month on average.
Most flyers found that booking flight tickets 56 days in advance of their planned departure date is, on average, the best time to get cheap flights to Las Vegas.
On average, the cheapest flights to Las Vegas are found when departing on a Wednesday. Try to avoid departing on a Sunday, as this is usually the most expensive day.
Our data shows that the cheapest Las Vegas flights are usually those with evening departure times. afternoon flights are often costlier.