There are 4 airports — LAX, BUR, LGB, SNA — that make sense to fly out of from Los Angeles and 1 airports — LAS — to access Las Vegas. The best deals are usually found by flying out of LAX.
Southwest Airlines, Spirit Airlines, Virgin America, United, Alaska Airlines, jetBlue operate flights which can help you travel from Los Angeles to Las Vegas.
The cheapest way by air is via jetBlue and flies from Long Beach (LGB) to Mc Carran Intl (LAS). Virgin America flies from Long Beach (LGB) to Mc Carran Intl (LAS) and is the quickest flight to get you from Los Angeles to Las Vegas.Out of the 3 total modes of travel to Las Vegas from Los Angeles, a flight is the quickest method.