How Long Is the Drive from Salt Lake City to San Diego?
The drive from Salt Lake City to San Diego takes approximately 13h 35min, covering 815 miles via I-80. Under normal conditions, expect to spend around $95 on gas.
Travel time can vary — during peak hours, weekends, or holidays, the journey may take 18–19+ hours. For the fastest trip, leave early morning (before 7 AM) or travel on weekday evenings.
Traffic Estimate
🟢 Light traffic
11h 33m
🔵 Typical
13h 35min
🔴 Heavy traffic
19h 42m
Traffic is usually worst during weekday rush hours (7–9 AM, 4–7 PM) and holiday weekends.
Trip Details
Distance815 miles (1311 km)
Drive Time13h 35min
RouteI-80
Best TimeEarly morning (6-8 AM)
Fuel Costs
Gas (30 mpg)~27.2 gallons
Est. Cost$95
Route Tips: I-80
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.
Best Time to Drive from Salt Lake City to San Diego
For a long drive like Salt Lake City to San Diego, 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.
🟢 Best:Early morning (6-8 AM)
🔴 Avoid:Rush hour (4-7 PM)
Driving vs Flying
🚗 Driving
13h 35min
~$95 gas
✈️ Flying
4h 8m
~$122–$285 flight
✈️ Flying is faster when you factor in airport time. Flight time is ~1h 38m but add ~2.5 hours for check-in, security, and boarding.
All Travel Options
🚗 Drive
13h 35min
~$95
🚌 Bus
18h 7m
~$65–$147
🚂 Train
14h 49m
~$98–$244
Estimated times and prices. Bus/train availability varies by route. Driving gives the most flexibility for stops and schedules.
Suggested Stops
Popular cities along the route for rest, food, or fuel:
📍 Hoover Dam
📍 Las Vegas
📍 Las Vegas Strip
Frequently Asked Questions
How long does it take to drive from Salt Lake City to San Diego?
The drive from Salt Lake City to San Diego takes approximately 13h 35min covering 815 miles via I-80. Actual time may vary based on traffic, weather, and road conditions.
How much does gas cost for Salt Lake City to San Diego?
At 30 MPG and $3.50/gallon, expect to spend approximately $95 on gas for this 815-mile trip. You'll need about 27.2 gallons of fuel.
What is the best time to drive from Salt Lake City to San Diego?
Early morning (6-8 AM) to avoid heavy traffic. Weekday mornings before 7 AM or evenings after 7 PM typically have less congestion.
Are there tolls on the Salt Lake City to San Diego route?
Yes, expect approximately $24 in tolls along this route. Consider getting a FasTrak transponder for faster toll payment.
