What is the best stop?

Salt Lake City is the most convenient place to break the drive.

Yes, it is a major interstate, but be mindful of desert conditions.

How long is the flight?

The flight time is approximately 2.25 hours.

Billings

Las Vegas

Flight Driving

Billings to Las Vegas

Updated: 28 May 2026

The journey from Billings to Las Vegas covers approximately 900 miles. You will travel west on I-90 to Butte, then south on I-15 through Idaho and Utah, eventually reaching Nevada. This is a long drive, typically taking 14 to 15 hours. Alternatively, you can fly from Billings Logan International to Harry Reid International Airport in Las Vegas.

Total Distance: 1,450 km driving distance, 1,050 km air distance.

Fastest Way

Flying is the fastest method, taking just over 2 hours.

Cheapest Way

Driving is cheaper for groups, while flying is often very affordable with budget airlines.

Compare Billings to Las Vegas Routes

	Flight Direct	Driving Direct
Duration	2 hours 15 mins	14 hours
Avg Price	$200-$400	$160-$220 in fuel
Operator	Allegiant Air	Personal Vehicle
Route	BIL to LAS airport.	I-90 West to I-15 South.
Tip	Allegiant often offers the most affordable direct flights.	Plan for an overnight stop in Salt Lake City.

Travel Tips

Hydration
The Nevada desert is extremely dry; drink plenty of water.
Salt Lake City Stop
Salt Lake City is the perfect halfway point for a hotel stay.
Traffic
Las Vegas traffic can be heavy on the Strip; use ride-sharing services.
Booking
Book your hotel and flight well in advance, especially for weekends.
Sun Protection
Wear sunscreen and a hat, even in the cooler months.

Safety Tips

Desert Driving
Ensure your car's cooling system is in top shape before the desert stretch.
Emergency Supplies
Carry extra water in your vehicle at all times.
Speeding
Utah and Nevada state patrols are very active on I-15.
Fatigue
Do not drive while tired; the long, straight roads can be hypnotic.