There are a few airlines that provide particularly good service and ease when traveling to Best Airlines to Fly to Las Vegas is a well-liked option because it provides flexible rates and no baggage fees. Both American Airlines and Delta Air Lines offer wide networks and cozy options, with different cabin classes available. While Alaska Airlines excels in customer service and loyalty awards, JetBlue Airways is well-known for its roomy seating and free Wi-Fi. Spirit Airlines and Allegiant Air are good options for low-cost travel, although they do charge more for certain services.