Is there a bus to Las Vegas?

Yes, Greyhound operates routes, but they are very long and involve multiple transfers.

What is the best time to visit?

Spring and fall offer the most comfortable weather for outdoor activities.

Do I need a car in Vegas?

Not if you stay on the Strip, but a car is helpful for visiting nearby national parks.

Yes, the stretch through Utah on I-70 is considered one of the most beautiful drives in the US.

How far is the airport?

Harry Reid International is only about 15 minutes from the center of the Strip.

O'Fallon

Las Vegas

Flight Driving

O'Fallon to Las Vegas

Updated: 28 May 2026

Traveling from O'Fallon to Las Vegas involves crossing the heart of the American West. You can fly from St. Louis Lambert (STL) to Harry Reid International (LAS) in about 3.5 hours. Driving requires navigating I-70 West through Kansas and Utah, then taking I-15 South into Nevada. This route covers approximately 1,650 miles. The drive offers spectacular views of the Rocky Mountains and the red rock canyons of Utah.

Total Distance: 2,655 km driving, 2,200 km air distance.

Fastest Way

A direct flight from STL to LAS takes 3.5 hours, compared to over 24 hours of driving.

Cheapest Way

Flying on a budget airline like Southwest is often cheaper than the fuel and hotel costs of a 24-hour drive.

Compare O'Fallon to Las Vegas Routes

	Flight Direct	Driving Direct
Duration	3 hours 30 mins	24 hours
Avg Price	$150 - $400	$300 - $500 in fuel
Operator	Southwest Airlines	Personal Vehicle
Route	STL to LAS	I-70 W to I-15 S
Tip	Mid-week flights are significantly cheaper than weekend departures.	Plan a stop in Moab, Utah, to break up the long drive.

Travel Tips

Resort Fees
Be aware that most hotels on the Strip charge a daily resort fee on top of the room rate.
Walking
Distances on the Strip are deceptive; wear comfortable shoes as you will walk much more than expected.
Hydration
The desert air is extremely dry; drink twice as much water as you think you need.
Transportation
Use the Deuce bus for affordable 24-hour transportation up and down the Strip.
Booking
Book show tickets in advance online to secure better seats and avoid sold-out performances.

Safety Tips

Crowd Awareness
Stay alert in crowded areas on the Strip to avoid pickpockets.
Sun Safety
Even in winter, the desert sun is intense; use sun protection during outdoor activities.
Driving
Traffic on I-15 near the Nevada border can be heavy on Sunday evenings; plan accordingly.
Emergency
Keep a physical map in your car, as cell service can be spotty in rural Utah and Nevada.