via I-15
The drive from Las Vegas to Salt Lake City takes approximately 6h 30min, covering 420 miles via I-15. Under normal conditions, expect to spend around $49 on gas.
Travel time can vary — during peak hours, weekends, or holidays, the journey may take 8–9+ hours. For the fastest trip, leave early morning (before 7 AM) or travel on weekday evenings.
Traffic is usually worst during weekday rush hours (7–9 AM, 4–7 PM) and holiday weekends.
The Vegas highway. Friday/Sunday traffic between LA and Vegas can be extreme — plan accordingly.
This trip can typically be done on a single tank of gas.
For a long drive like Las Vegas to Salt Lake City, plan to depart early in the morning. This lets you cover most of the distance before afternoon traffic builds up. Consider breaking the trip with a lunch stop midway.
✈️ Flying is faster when you factor in airport time. Flight time is ~50 min but add ~2.5 hours for check-in, security, and boarding.
Estimated times and prices. Bus/train availability varies by route. Driving gives the most flexibility for stops and schedules.
Popular cities along the route for rest, food, or fuel:
Planning a trip from Las Vegas to Salt Lake City? The most common route runs along I-15, covering 420 miles in about 6h 30min. Gas will set you back roughly $49 for the one-way trip. For the best experience, hit the road during weekday mid-day when traffic is lightest.
Covering 420 miles, this epic drive takes you across a huge swath of the country. Prepare for varied weather conditions, different speed limits by state, and long stretches between services. A well-planned itinerary makes all the difference. Popular stopping points include Zion National Park, Bryce Canyon, Capitol Reef — great options for grabbing a meal, fueling up, or stretching your legs.