The drive from Houston to Phoenix takes approximately 15h 0min, covering 1175 miles via I-10. Under normal conditions, expect to spend around $137 on gas.
Travel time can vary — during peak hours, weekends, or holidays, the journey may take 21–22+ hours. For the fastest trip, leave early morning (before 7 AM) or travel on weekday evenings.
Traffic Estimate
🟢 Light traffic
12h 45m
🔵 Typical
15h 0min
🔴 Heavy traffic
21h 45m
Traffic is usually worst during weekday rush hours (7–9 AM, 4–7 PM) and holiday weekends.
Trip Details
Distance1175 miles (1890 km)
Drive Time15h 0min
RouteI-10
Best TimeWeekday mid-day
Fuel Costs
Gas (30 mpg)~39.2 gallons
Est. Cost$137
Route Tips: I-10
Stretches coast-to-coast from LA to Jacksonville. Desert sections in Arizona/New Mexico can be monotonous — bring plenty of water.
You'll likely need 2 fuel stops along the way.
Best Time to Drive from Houston to Phoenix
For a long drive like Houston to Phoenix, 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:Weekday mid-day
🔴 Avoid:Rush hour (4-7 PM)
Driving vs Flying
🚗 Driving
15h 0min
~$137 gas
✈️ Flying
4h 51m
~$176–$411 flight
✈️ Flying is faster when you factor in airport time. Flight time is ~2h 21m but add ~2.5 hours for check-in, security, and boarding.
All Travel Options
🚗 Drive
15h 0min
~$137
🚌 Bus
26h 7m
~$94–$212
🚂 Train
21h 22m
~$141–$352
Estimated times and prices. Bus/train availability varies by route. Driving gives the most flexibility for stops and schedules.
Suggested Stops
Popular cities along the route for rest, food, or fuel:
📍 Carlsbad Caverns
📍 El Paso
📍 Big Bend
Frequently Asked Questions
How long does it take to drive from Houston to Phoenix?
The drive from Houston to Phoenix takes approximately 15h 0min covering 1175 miles via I-10. Actual time may vary based on traffic, weather, and road conditions.
How much does gas cost for Houston to Phoenix?
At 30 MPG and $3.50/gallon, expect to spend approximately $137 on gas for this 1175-mile trip. You'll need about 39.2 gallons of fuel.
What is the best time to drive from Houston to Phoenix?
Weekday mid-day to avoid heavy traffic. Weekday mornings before 7 AM or evenings after 7 PM typically have less congestion.
Are there tolls on the Houston to Phoenix route?
Yes, expect approximately $35 in tolls along this route. Consider getting a TxTag transponder for faster toll payment.
