The drive from Dallas to Southlake takes approximately 45 min, covering 21 miles via I-35. Under normal conditions, expect to spend around $2 on gas.
Travel time can vary — during rush hour or bad weather, the journey may take 67–76 minutes. For the fastest trip, avoid peak commute hours.
Traffic Estimate
🟢 Light traffic
38 min
🔵 Typical
45 min
🔴 Heavy traffic
1h 5m
Traffic is usually worst during weekday rush hours (7–9 AM, 4–7 PM) and holiday weekends.
Trip Details
Distance21 miles (33 km)
Drive Time45 min
RouteI-35
Best TimeMid-morning (9-11 AM)
Fuel Costs
Gas (30 mpg)~0.7 gallons
Est. Cost$2
Best Time to Drive from Dallas to Southlake
For this shorter drive, the best time to go is mid-morning (9-11 am). Rush hour (7-9 AM and 4-7 PM) can add significant time on this route. Weekends are generally smoother unless it's a holiday.
🟢 Best:Mid-morning (9-11 AM)
🔴 Avoid:Rush hour (4-7 PM)
Route Tips: I-35
Runs through the heartland from Texas to Minnesota. Watch for construction zones in urban areas.
This trip can typically be done on a single tank of gas.
Frequently Asked Questions
How long does it take to drive from Dallas to Southlake?
The drive from Dallas to Southlake takes approximately 45 min covering 21 miles via I-35. Actual time may vary based on traffic, weather, and road conditions.
How much does gas cost for Dallas to Southlake?
At 30 MPG and $3.50/gallon, expect to spend approximately $2 on gas for this 21-mile trip. You'll need about 0.7 gallons of fuel.
What is the best time to drive from Dallas to Southlake?
Mid-morning (9-11 AM) to avoid heavy traffic. Weekday mornings before 7 AM or evenings after 7 PM typically have less congestion.
Are there tolls on the Dallas to Southlake route?
This route is primarily toll-free, though some bridges or tunnels may have small fees.
