The journey from St George to Yellowstone National Park is an epic road trip spanning approximately 679 miles (1,093 km) through diverse landscapes and iconic attractions. This adventure takes about 10 hours and 26 minutes of driving time, offering travelers a chance to explore some of America’s most breathtaking natural wonders. From the red rocks of Utah to the geothermal features of Yellowstone, this road trip promises unforgettable experiences and stunning vistas.
What is the Driving Distance and Travel Time from St George to Yellowstone National Park?

The driving distance from St George, Utah to Yellowstone National Park is approximately 679 miles (1,093 km). Under normal traffic conditions, the estimated travel time is around 10 hours and 26 minutes. However, this can vary depending on factors such as traffic, weather, and the number of stops you make along the way.
Fuel Costs
To estimate fuel costs for this journey, we can use the following calculation:
- Assuming an average gas mileage of 25 mpg
- Current gas price of approximately $3.50 per gallon
- One-way fuel cost: $60.27
- Round trip fuel cost: $120.54
It’s important to note that these costs can fluctuate based on your vehicle’s fuel efficiency and current gas prices.
What are the Best Routes and Notable Stops?

The primary route from St George to Yellowstone National Park follows these major highways:
- Take I-15 North from St George towards Salt Lake City
- Continue on I-15 North through Utah and into Idaho
- In Idaho, take I-90 East towards West Yellowstone, Montana
- From West Yellowstone, follow the signs to enter Yellowstone National Park
Along this route, you’ll have the opportunity to visit several notable stops and attractions:
- Salt Lake City, Utah
- Zion National Park, Utah (approximately 1 hour from St George)
- Bryce Canyon National Park, Utah (approximately 2.5 hours from St George)
- Park City, Utah (approximately 3.5 hours from St George)
- Grand Teton National Park, Wyoming (approximately 7.5 hours from St George)
- West Yellowstone, Montana (gateway town to Yellowstone National Park)
What are the Essential Travel Tips for this Road Trip?
Rest Stops
Several rest stops are available along I-15 and I-90, including:
– Utah Welcome Center near St George
– Idaho Welcome Center near Pocatello
Food Options
- Major cities like Salt Lake City and Idaho Falls offer a wide range of dining options
- Smaller towns along the route, such as West Yellowstone, have restaurants and cafes catering to travelers
Lodging
- Numerous hotels and motels are available along the route, particularly in larger cities and near national parks
- It’s recommended to book in advance, especially during peak travel seasons
Seasonal Considerations and Road Conditions
- Check for road closures and construction before your trip, especially during winter months
- Be prepared for variable weather conditions, including heat in summer and snow in winter
What are the Must-See Attractions Between St George and Yellowstone?
Zion National Park
- Entry Fee: $35 per vehicle for a 7-day pass
- Operating Hours: Open year-round, hours vary by season
- Unique Features:
- Hiking trails like the Narrows and Angels Landing
- Scenic drives
- Unique rock formations
Bryce Canyon National Park
- Entry Fee: $35 per vehicle for a 7-day pass
- Operating Hours: Open year-round, hours vary by season
- Unique Features:
- Hoodoos (distinctive rock formations)
- Scenic vistas
- Hiking trails like the Queen’s Garden Trail
Grand Teton National Park
- Entry Fee: $35 per vehicle for a 7-day pass
- Operating Hours: Open year-round, hours vary by season
- Unique Features:
- Scenic mountain vistas
- Jackson Lake
- Various hiking trails
How to Plan Your Itinerary?
When planning your road trip from St George to Yellowstone National Park, consider the following tips:
- Allow at least 3-5 days for the journey to fully appreciate the attractions along the way
- Book accommodations in advance, especially during peak season (June-August)
- Check park websites for current conditions and any closures
- Pack appropriate gear for various weather conditions
- Consider purchasing an America the Beautiful Pass if you plan to visit multiple national parks
What Should You Pack for the Trip?
Essential items for your St George to Yellowstone National Park road trip include:
- Maps and GPS device
- First aid kit
- Plenty of water and snacks
- Warm layers of clothing
- Hiking boots
- Sunscreen and insect repellent
- Camera
- Binoculars for wildlife viewing
How to Make the Most of Your Yellowstone Visit?
Once you reach Yellowstone National Park, maximize your experience with these tips:
- Plan to spend at least 2-3 days exploring the park
- Visit popular attractions like Old Faithful, Grand Prismatic Spring, and Mammoth Hot Springs
- Take advantage of ranger-led programs and guided tours
- Follow park rules and wildlife viewing guidelines
- Explore less crowded areas of the park for a more serene experience
The road trip from St George to Yellowstone National Park offers a diverse and exciting journey through some of America’s most stunning landscapes. By planning ahead and taking advantage of the numerous attractions along the way, you can create an unforgettable adventure filled with natural wonders and unique experiences.
References:
1. Cost of Driving from Utah to Yellowstone National Park
2. 39 Best Stops Between St. George and Yellowstone National Park
3. Fuel Economy Trip Calculator