Home → Routes → Boise to Salt Lake City

Boise, ID to Salt Lake City, UT

State capital to state capital route

6h 58m
Drive Time
384
Miles
$44
Gas Cost
2
Stops

How Long Is the Drive from Boise Id to Salt Lake City Ut?

The drive from Boise Id to Salt Lake City Ut takes approximately 6h 58m, covering 384 miles via the highway. Under normal conditions, expect to spend around $44 on gas.

Travel time can vary — during peak hours, weekends, or holidays, the journey may take 8–9+ hours. For the fastest trip, leave early morning (before 7 AM) or travel on weekday evenings.

Traffic Estimate

🟢 Light traffic
5h 55m
🔵 Typical
6h 58m
🔴 Heavy traffic
10h 6m

Traffic is usually worst during weekday rush hours (7–9 AM, 4–7 PM) and holiday weekends.

Route Details

Distance384 miles
Drive Time6h 58min
Avg Speed55 mph
TrafficLight to Moderate

Cost Breakdown

Gas (30 MPG)$44
Tolls (est.)$0-20
Food/Snacks$15-30
Total$59-$94

Route Tips: I-95

Plan rest stops every 2-3 hours on longer drives. Check traffic conditions before departure and keep your tank above quarter-full.

This trip can typically be done on a single tank of gas.

Best Time to Drive from Boise Id to Salt Lake City Ut

For a long drive like Boise Id to Salt Lake City Ut, plan to depart early in the morning. This lets you cover most of the distance before afternoon traffic builds up. Consider breaking the trip with a lunch stop midway.

🟢 Best: Early morning (6-8 AM)
🔴 Avoid: Rush hour (4-7 PM)

Approximate route shown. Use Google Maps for turn-by-turn directions.

Open in Google Maps ⚡ View EV Route

Driving vs Flying

🚗 Driving
6h 58m
~$44 gas
✈️ Flying
3h 16m
~$80–$150 flight

✈️ Flying is faster when you factor in airport time. Flight time is ~46 min but add ~2.5 hours for check-in, security, and boarding.

All Travel Options

🚗 Drive
6h 58m
~$44
🚌 Bus
8h 32m
~$31–$69
🚂 Train
6h 59m
~$46–$115

Estimated times and prices. Bus/train availability varies by route. Driving gives the most flexibility for stops and schedules.

FAQ

How long is the drive from Boise, ID to Salt Lake City, UT?
The drive takes approximately 6 hours and 58 minutes covering 384 miles.
How much gas will I need?
At 30 MPG, you'll use about 12 gallons of gas, costing approximately $44 at $3.50/gallon.
What's the best time to leave?
Early morning (6-8 AM) is ideal to avoid rush hour traffic in both cities.

Explore Cities

All routes from Boise Id All routes from Salt Lake City Ut