Driving
St. George to Missoula
Updated: 29 May 2026
The trip from St. George to Missoula is a 1,350-kilometer journey heading north through Utah, Idaho, and into Montana. The most direct route is following I-15 North for the entire duration. You will pass through major cities like Salt Lake City and Idaho Falls. Expect a total driving time of approximately 13 to 14 hours. This route offers diverse scenery, from red rocks to lush mountain forests.
Total Distance: 1,350 km driving distance, 1,050 km straight-line air distance.
Fastest Way
Driving is the fastest option as there are no direct flights.
Cheapest Way
Driving your own vehicle is the most cost-effective way to travel.
Compare St. George to Missoula Routes
Driving
Direct
Duration
13 hours 30 mins
Avg Price
$150-$200 in fuel
Operator
Personal Vehicle
Route
I-15 North through Salt Lake City, Idaho Falls, and Butte to Missoula.
Stop in Salt Lake City for a meal to break up the first leg of the trip.
Travel Tips
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Mountain WeatherMontana weather is unpredictable; pack layers even in the summer.
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ConstructionCheck for road construction on I-15 in Idaho before you depart.
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Speed LimitsMontana has high speed limits, but be cautious on winding mountain passes.
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Rest StopsUse the rest areas in Idaho to avoid fatigue on the long stretch.
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FuelFill up in larger towns to ensure you have enough fuel for remote stretches.
Safety Tips
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Winter DrivingIf traveling in winter, ensure your vehicle has snow tires and chains.
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WildlifeBe extremely cautious of deer and moose on the road in Montana.
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Emergency KitCarry blankets and extra food in case of a breakdown in remote areas.
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Cell ServiceExpect spotty cell service in the mountain passes of Montana.
People Also Ask
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How long is the drive?The drive takes about 13 to 14 hours.
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Is there a train?No, there is no direct passenger rail service to Missoula.
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What is the best route?I-15 North is the most direct and efficient route.
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Are there flights?No direct commercial flights exist between these two cities.
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Is it a safe drive?Yes, it is a safe route, but requires caution in mountain areas.
Quick Info
- From St. George, Utah, United States
- To Missoula, Montana, United States
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Modes
Best Time to Travel
June through August for the best weather conditions in the northern Rockies.
Things to Do in Missoula
1
A Carousel for Missoula
Located in Caras Park, this hand-carved carousel is a local favorite. It is a charming spot for families.
2
Clark Fork River
The river runs through the heart of Missoula and offers excellent walking trails. It is perfect for an evening stroll.
3
Mount Sentinel
Hike the 'M' trail for a panoramic view of the Missoula valley. It is a popular workout for locals.
4
Missoula Art Museum
This museum features contemporary art from the Northern Rockies. It is located in the downtown area.
Tags
St. George to Missoula
I-15 road trip
driving Utah to Montana
St. George to Missoula distance
best route to Missoula
traveling through Idaho
Montana road trip
St. George travel
