Is the drive difficult?

It is a straightforward interstate drive, though mountain passes require caution.

No, there is no direct passenger train service between these two cities.

What is the best stop?

Idaho Falls is highly recommended for its river views and amenities.

Yes, it is a major, well-maintained interstate highway.

How many states do I cross?

You will travel through Montana, Idaho, and Utah.

Billings

Salt Lake City

Driving

Billings to Salt Lake City

Updated: 28 May 2026

The route from Billings to Salt Lake City covers approximately 600 miles. You will travel west on I-90 to Butte, then south on I-15 through Idaho Falls and Pocatello. This journey takes you through three states: Montana, Idaho, and Utah. Expect a driving time of roughly 9 to 10 hours. The route offers a mix of mountain passes and high desert landscapes.

Total Distance: 965 km driving distance, 750 km air distance.

Fastest Way

Driving is the primary practical method; flights are available but often require connections.

Cheapest Way

Driving is the most practical and cost-effective way to reach Salt Lake City.

Compare Billings to Salt Lake City Routes

Driving

Direct

Duration

9 hours 30 mins

Avg Price

$90-$130 in fuel

Operator

Personal Vehicle

Route

I-90 West to I-15 South.

Stop in Idaho Falls for a scenic walk along the Snake River.

Travel Tips

Idaho Speed Limits
Idaho has higher speed limits on rural interstates; stay alert for changing conditions.
Pocatello Stops
Pocatello is a great mid-way point for dining and refueling.
Mountain Weather
Even in summer, mountain passes can be cool; pack a light jacket.
Traffic in SLC
Salt Lake City traffic can be heavy during peak hours; plan your arrival accordingly.
Navigation
Download offline maps as service can be spotty in rural Idaho.

Safety Tips

Wildlife
Watch for moose and deer, especially in the forested areas of Idaho.
Tire Pressure
Check your tire pressure before leaving, as the elevation changes can affect it.
Driver Fatigue
The 10-hour drive is long; share driving duties if possible.
Road Construction
Check the Idaho 511 website for construction delays on I-15.