Is I-90 the fastest route?

Yes, I-90 West is the most direct and efficient highway connecting Billings and Missoula.

Are there tolls on this route?

No, there are no toll roads on the interstate route between Billings and Missoula.

What is the best time to drive?

Daylight hours are recommended to enjoy the scenery and avoid wildlife hazards.

No, there is no direct passenger rail service between Billings and Missoula.

Are there electric vehicle chargers?

Yes, charging stations are available in Billings, Bozeman, Butte, and Missoula.

Billings

Missoula

Driving

Billings to Missoula

Updated: 28 May 2026

The journey from Billings to Missoula spans approximately 345 miles across the heart of Montana. You will primarily travel via Interstate 90 West, passing through Bozeman and Butte. This route offers stunning views of the Rocky Mountains and the Yellowstone River valley. Expect a driving time of roughly 5 hours under normal traffic conditions. It is a scenic drive that showcases the diverse geography of the Treasure State.

Total Distance: 555 km driving distance, 420 km air distance.

Fastest Way

Driving via I-90 is the fastest method, taking just over 5 hours.

Cheapest Way

Driving your own vehicle is the most cost-effective method for this route.

Compare Billings to Missoula Routes

Driving

Direct

Duration

5 hours 15 mins

Avg Price

$50-$70 in fuel

Operator

Personal Vehicle

Route

I-90 West through Bozeman and Butte.

Check the Montana Department of Transportation website for real-time road construction updates.

Travel Tips

Fuel Up
Fill your tank in Bozeman or Butte to avoid higher prices in smaller mountain towns.
Weather Check
Always check the weather forecast, as mountain passes can experience rapid temperature drops.
Wildlife Awareness
Be vigilant for deer and elk crossing the highway, especially during dawn and dusk.
Cell Service
Expect intermittent cell service in the remote stretches between Livingston and Bozeman.
Rest Stops
Utilize the official Montana rest areas which are well-maintained and spaced strategically along I-90.

Safety Tips

Mountain Driving
Use lower gears when descending steep mountain grades to prevent brake overheating.
Winter Readiness
Carry tire chains and an emergency kit if traveling between October and April.
Speed Limits
Adhere strictly to posted speed limits, as Montana Highway Patrol is active on I-90.
Fatigue Management
Take breaks every two hours to stay alert on the long, straight stretches of highway.