via I-80
The drive from Salt Lake City to Phoenix takes approximately 10h 0min, covering 660 miles via I-80. 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.
Crosses the country through the northern states. Mountain passes in Wyoming and Utah can see winter closures.
You'll likely need 1 fuel stop along the way.
For a long drive like Salt Lake City to Phoenix, 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:
Heading from Salt Lake City to Phoenix? This 660-mile long road trip via I-80 takes roughly 10h 0min in typical traffic. Budget around $77 for gas, and aim to leave during late evening (8-10 pm) to minimize delays and enjoy a stress-free drive.
At 660 miles, this cross-country journey deserves careful planning. Consider breaking it into two or more days, booking hotels along the route, and mapping out fuel stops in advance — especially through rural stretches. Popular stopping points include Horseshoe Bend, Bryce Canyon, Antelope Canyon — great options for grabbing a meal, fueling up, or stretching your legs.