Flight
Driving
St. Louis to Las Vegas
Updated: 28 May 2026
The journey from St. Louis to Las Vegas covers approximately 2,400 kilometers. The most direct driving route is via I-70 West to I-15 South, taking about 22 hours. Direct flights are available from St. Louis Lambert International Airport to Harry Reid International Airport, lasting about 3.5 hours. This route takes you across the heart of the American West and into the Mojave Desert.
Total Distance: 2,400 km driving, 2,100 km air distance.
Fastest Way
Flight, with a total travel time of about 5.5 hours including airport transit.
Cheapest Way
Flight, with competitive pricing on this popular route.
Compare St. Louis to Las Vegas Routes
|
Direct
|
Direct
|
|
|---|---|---|
| Duration | 3 hours 30 mins | 22 hours |
| Avg Price | $180-$400 | $250-$350 fuel |
| Operator | Southwest, Spirit | Personal Vehicle |
| Route | STL to LAS. | I-70 W to I-15 S. |
| Tip | Book in advance for better rates. | The drive is very long; plan for multiple overnight stops. |
Travel Tips
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TrafficTraffic on the Strip can be heavy; use ride-sharing or walk.
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WeatherBe prepared for extreme heat in the summer.
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AirportLAS is located near the city; allow time for the commute.
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DiningLas Vegas has a world-class food scene; try the buffets and fine dining.
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NavigationUse a GPS as the city layout can be confusing.
Safety Tips
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DrivingStay alert for aggressive drivers on the freeways.
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ParkingUse secure parking garages in the downtown area.
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EmergencyKeep water in your car during the summer.
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Personal SafetyStay in well-lit areas when exploring at night.
People Also Ask
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Is there a train to Las Vegas?No, there is no direct passenger rail service from St. Louis to Las Vegas.
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How long is the drive?The drive is approximately 22 hours.
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What is the best airport?Harry Reid International (LAS) is the primary hub.
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Are there tolls?There are some toll roads in the area.
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Is it safe to drive?Yes, but be prepared for long distances.
Quick Info
- From St. Louis, Missouri, United States
- To Las Vegas, Nevada, United States
-
Modes
Best Time to Travel
Spring or autumn to avoid the extreme summer heat.
Things to Do in Las Vegas
1
The Strip
The world-famous boulevard lined with mega-resorts, casinos, and entertainment venues.
2
Fremont Street Experience
A historic downtown area with a massive LED canopy and street performers.
3
Red Rock Canyon
A stunning natural area just outside the city, perfect for hiking and scenic drives.
4
High Roller
A giant observation wheel offering panoramic views of the city.
Tags
St. Louis to Las Vegas flight
St. Louis to Las Vegas drive
I-70 to I-15 route
Las Vegas travel guide
St. Louis to Las Vegas distance
fastest way to Las Vegas
cheapest way to Las Vegas
Nevada travel
