via I-80
The drive from Salt Lake City to Las Vegas takes approximately 6h 30min, covering 420 miles via I-80. 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.
Crosses the country through the northern states. Mountain passes in Wyoming and Utah can see winter closures.
This trip can typically be done on a single tank of gas.
For a long drive like Salt Lake City to Las Vegas, 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:
The journey from Salt Lake City to Las Vegas stretches 420 miles along I-80 and typically takes 6h 30min to complete. At today's fuel prices, expect to spend around $49 on gas. Departing during weekday mid-day gives you the best chance of avoiding congestion along the way.
This 420-mile trek is a true American road trip. Stock up on audiobooks or podcasts, rotate drivers if possible, and build in time for roadside attractions. The journey itself is part of the adventure. Popular stopping points include Zion National Park, Bryce Canyon, Capitol Reef — great options for grabbing a meal, fueling up, or stretching your legs.