Fuel cost calculator · About 350 miles
Gas cost from Houston to New Orleans
The drive from Houston, TX to New Orleans, LA is about 350 miles, so a round trip costs about $83.88 in gas at this week's average of $3.59 a gallon. Change the car, fuel or distance below for your own figure.
What the trip costs by vehicle
| Vehicle | One way | Round trip |
|---|---|---|
| Compact car (33 mpg) | $38.13 | $76.25 |
| Midsize sedan (30 mpg) | $41.94 | $83.88 |
| Hybrid (50 mpg) | $25.16 | $50.33 |
| Minivan (22 mpg) | $57.19 | $114.38 |
| SUV (24 mpg) | $52.42 | $104.85 |
| Pickup truck (19 mpg) | $66.22 | $132.44 |
Regular gas at $3.595 a gallon, the average of this week's Texas and Louisiana prices, from the EIA’s weekly survey. Fuel only: tolls and parking are not included.
Fuel economy figures are round examples for each kind of vehicle, not official ratings. Your own car's EPA rating is on fueleconomy.gov.
Distance: fastest route between city centres, rounded to the nearest 5 miles, calculated with OSRM on OpenStreetMap road data (© OpenStreetMap contributors), measured November 2026.
350 miles in Texas
$41.88
11.7 gallons at $3.59 a gallon
$6.57 less than the same trip at the national average.
- Per mile
- 12.0¢
- A full tank
- $53.85
- about 450 miles
- A year of driving
- $1,436
- $120 a month
Houston to New Orleans by car
- How much does gas cost from Houston to New Orleans?
- About $41.94 one way, or $83.88 for the round trip, in a car that gets 30 mpg. That assumes 350 miles and this week's average regular price of $3.59 a gallon. An SUV at 24 mpg spends about $52.42 one way; a hybrid at 50 mpg about $25.16.
- How far is Houston from New Orleans by car?
- About 350 miles on the fastest route between the two city centres, measured on OpenStreetMap road data. Your own start and end points may make it a little longer or shorter; type your distance into the calculator for an exact figure.
- How many gallons of gas does the drive take?
- About 11.7 gallons one way at 30 mpg. That fits in a typical 15-gallon tank, so most cars can make it without stopping for fuel.