Is there a bus to Billings?

Bus service is limited and often requires multiple transfers.

No, there are no toll roads on this route.

What is the best time to drive?

Summer months offer the safest driving conditions.

Billings is generally safe, but standard travel precautions apply.

Twin Falls

Billings

Driving

Twin Falls to Billings

Updated: 30 May 2026

Traveling from Twin Falls to Billings covers approximately 850 kilometers across the rugged terrain of Idaho and Montana. You will navigate I-84 East to I-15 North, eventually connecting to I-90 East at Butte. The journey typically requires 9 hours of driving time. You will pass through diverse landscapes ranging from high desert plains to the majestic peaks of the Northern Rockies. This route is a primary corridor for commerce and tourism in the region.

Total Distance: Driving distance 850 km, straight-line air distance 620 km.

Fastest Way

Driving via I-15 and I-90 is the fastest route, taking about 9 hours.

Cheapest Way

Driving your own car is the most economical way to reach Billings.

Compare Twin Falls to Billings Routes

Driving

Direct

Duration

9 hours

Avg Price

$110-$150 in fuel

Operator

Personal Vehicle

Route

I-84 E to I-15 N to I-90 E.

Stop in Bozeman for a meal; it is roughly the halfway point in terms of driving effort.

Travel Tips

Plan Stops
Break up the 9-hour drive by stopping in Idaho Falls and Bozeman.
Check Weather
Mountain passes can experience sudden weather changes; check forecasts before leaving.
Gas Strategy
Fill up in larger cities like Butte to avoid higher prices in remote areas.
Stay Hydrated
The air is very dry in the high desert; keep plenty of water in the car.
Traffic Alerts
Use a navigation app to monitor for construction delays on I-90.

Safety Tips

Wildlife
Be extremely cautious of wildlife on the road at night.
Brake Safety
Ensure your brakes are in good condition for the mountain descents.
Emergency Supplies
Carry a basic tool kit and spare tire in case of mechanical issues.
Visibility
Use headlights during the day in mountain areas to increase visibility to other drivers.