Los Angeles, CA to Las Vegas, NV: Road Trip Weather & Cost Guide
Plan the Los Angeles, CA to Las Vegas, NV drive with route-aware weather, transparent fuel estimates, and a clear-eyed comparison of your alternatives.
Route Overview
Weather Risk Along This Route
⚠️ Weather AdvisoryLow-Moderate. Summer heat (June–Sep) creates extreme temperatures in the Mojave Desert. Check your coolant before driving.
Open the live RouteWeather planner → to see today's exact conditions for every waypoint on this drive.
Fuel Cost Estimate
This evergreen guide uses a 25 MPG example vehicle and a historical publishing assumption of $4.52/gal. Open the live planner for the current national weekly baseline or enter a price you observed.
| Metric | Value |
|---|---|
| Distance | 270 miles |
| Fuel needed (25 MPG) | ~11 gallons |
| Guide-only price assumption | $4.52/gal |
| Est. fuel cost | $28–$38 |
No station-level price or discount is claimed on this page. Use the live planner to find route-relevant station searches and verify the pump price before choosing a stop. How fuel estimates work.
Best Time to Drive
Thursday evening or very early Friday for weekend trips. Return Sunday after 6 PM or Monday morning to bypass I-15 backup at Primm.
Notable Stops Along the Route
- Cajon Pass (mile 65 — steep grade)
- Barstow, CA (mile 125 — fuel break)
- Baker, CA 'The World's Tallest Thermometer' (mile 165)
- Jean, NV toll area (mile 255)
Compare driving vs. flying vs. Amtrak with full cost and time data: Los Angeles, CA to Las Vegas, NV: Drive vs. Fly vs. Train →
Alternatives at a glance:
- ✈️ Fly: LAX → LAS: ~$70 | 1h (Check luggage and strip transit — often not worth it)
- 🚂 Amtrak: No direct Amtrak service. Budget bus (Flixbus/Greyhound): ~$25 | 5h+
Frequently Asked Questions
How long does it take to drive from Los Angeles to Las Vegas?
The LA to Las Vegas drive is approximately 270 miles along I-15 North and takes around 4 hours under normal conditions. Friday evening traffic can push this to 6–7 hours.
Is it better to fly or drive from LA to Las Vegas?
For solo travelers, flying at ~$70 can be cheaper when you factor in Vegas parking and fuel. For groups of 2–4, driving on I-15 is usually faster door-to-door outside of peak Friday times.
What are the dangers of driving from LA to Las Vegas in summer?
Extreme Mojave Desert heat (115°F+) is the primary hazard June–September. Ensure your vehicle coolant is topped, carry extra water, and do not ignore the temperature gauge on the Cajon Pass or Baker grade.