Flights from Los Angeles (LAX) to Las Vegas (LAS) are the quickest way to travel, taking about 1 hour and 15 minutes. Driving is also a popular option, with a travel time of around 4 to 5 hours, depending on traffic. Several bus and train services are also available for those who prefer ground transportation. 

Flying from LAX

• Airlines: Nonstop flights are offered by numerous carriers, including Spirit, Southwest, Delta, United, American, and Frontier.
• Duration: The average flight time is approximately 1 hour and 15 minutes.
• Convenience: Flying is the fastest and most direct way to get from Los Angeles to Las Vegas. The trip itself is very short, but you should also factor in time for getting to and from the airport, checking in, and passing through security. 

Driving from LAX

• Route: The most common route is to take I-15 North from the Los Angeles area directly to Las Vegas.
• Duration: Without significant traffic, the drive takes about 4 to 5 hours. Traffic can be heavy, particularly on Fridays and Sundays, and can significantly increase travel time.
• Advantages: Driving offers flexibility and the chance to stop at various attractions along the route through the desert, such as the California Route 66 Museum in Victorville.
• Considerations: Traffic, particularly on weekends and holidays, can lead to lengthy delays. 

Bus and train options

• Bus: Bus services like Greyhound and FlixBus provide a budget-friendly way to get from Los Angeles to Las Vegas. The journey typically takes 5 to 7 hours.
• Train: Amtrak offers a train service, but it is not direct and includes a connecting bus segment. As a result, the trip is much longer, with an average duration of around 11 hours.
• Future Rail Project: A high-speed rail line, named the Brightline West, is under construction to connect Southern California to Las Vegas. It is expected to open by 2028 and will significantly reduce travel time for those on the ground.