via I-10
The drive from Phoenix to Salt Lake City takes approximately 10h 0min, covering 660 miles via I-10. Under normal conditions, expect to spend around $77 on gas.
Travel time can vary — during peak hours, weekends, or holidays, the journey may take 14–15+ 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.
Stretches coast-to-coast from LA to Jacksonville. Desert sections in Arizona/New Mexico can be monotonous — bring plenty of water.
You'll likely need 1 fuel stop along the way.
For a long drive like Phoenix 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 ~1h 19m 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 Phoenix to Salt Lake City stretches 660 miles along I-10 and typically takes 10h 0min to complete. At today's fuel prices, expect to spend around $77 on gas. Departing during weekday mid-day gives you the best chance of avoiding congestion along the way.
This 660-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 Horseshoe Bend, Bryce Canyon, Antelope Canyon — great options for grabbing a meal, fueling up, or stretching your legs.