How long does it take to drive to Las Vegas?

It typically takes 4 to 5 hours, but can be longer with traffic.

Is there a train to Las Vegas?

No, there is currently no passenger train service to Las Vegas.

What is the best time to leave for Las Vegas?

Early morning on a weekday is the best time to avoid traffic.

Are there flights from Ontario to Las Vegas?

Yes, several airlines offer direct flights.

Yes, but it is a busy highway; drive defensively.

Fontana

Las Vegas

Flight Driving

Fontana to Las Vegas

Updated: 28 May 2026

The journey from Fontana to Las Vegas covers approximately 370 kilometers. Driving via I-15 North is the most popular method, taking about 4 to 5 hours depending on traffic. You will cross the Mojave Desert, passing through Barstow and Baker. Alternatively, you can fly from Ontario International Airport (ONT) to Harry Reid International Airport (LAS). This is a very common weekend getaway route for Southern California residents.

Total Distance: Driving distance 370 km, straight-line air distance 330 km.

Fastest Way

Flight from Ontario (ONT) to Las Vegas (LAS) takes 1 hour.

Cheapest Way

Driving is usually the cheapest, especially for groups.

Compare Fontana to Las Vegas Routes

	Flight Direct	Driving Direct
Duration	1 hour	4 hours 30 mins
Avg Price	$100 - $250	$50 - $100
Operator	Southwest Airlines	Personal Vehicle
Route	ONT to LAS.	I-15 N.
Tip	Flights are very short and often cheaper than gas and parking.	Avoid traveling on Friday afternoons and Sunday evenings to escape heavy traffic.

Travel Tips

Traffic
The I-15 is notorious for heavy traffic on weekends; plan your departure carefully.
Hydration
Carry plenty of water when driving through the desert.
Gas
Fill up your tank before leaving the Inland Empire; gas is expensive in the desert.
Weather
Check the weather forecast for the mountain passes in winter.
Booking
Book your hotel in advance, especially for weekends and holidays.