via I-35
The drive from San Antonio to Las Vegas takes approximately 23h 11min, covering 1392 miles via I-35. Under normal conditions, expect to spend around $162 on gas.
Travel time can vary — during peak hours, weekends, or holidays, the journey may take 32–33+ 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.
Runs through the heartland from Texas to Minnesota. Watch for construction zones in urban areas.
You'll likely need 3 fuel stops along the way.
For a long drive like San Antonio 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 ~2h 47m 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 San Antonio to Las Vegas? The most common route runs along I-35, covering 1392 miles in about 23h 11min. Gas will set you back roughly $162 for the one-way trip. For the best experience, hit the road during late evening (8-10 pm) when traffic is lightest.
Covering 1392 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 White Sands, El Paso, Carlsbad Caverns — great options for grabbing a meal, fueling up, or stretching your legs.