How far is New Orleans, LA, from Houston, TX?
The distance between Houston (Houston George Bush Intercontinental Airport) and New Orleans (Louis Armstrong New Orleans International Airport) is 305 miles / 490 kilometers / 265 nautical miles.
The driving distance from Houston (IAH) to New Orleans (MSY) is 331 miles / 532 kilometers, and travel time by car is about 6 hours 22 minutes.
Houston George Bush Intercontinental Airport – Louis Armstrong New Orleans International Airport
Search flights
Distance from Houston to New Orleans
There are several ways to calculate the distance from Houston to New Orleans. Here are two standard methods:
Vincenty's formula (applied above)- 304.778 miles
- 490.493 kilometers
- 264.845 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 304.183 miles
- 489.535 kilometers
- 264.328 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
How long does it take to fly from Houston to New Orleans?
The estimated flight time from Houston George Bush Intercontinental Airport to Louis Armstrong New Orleans International Airport is 1 hour and 4 minutes.
What is the time difference between Houston and New Orleans?
There is no time difference between Houston and New Orleans.
Flight carbon footprint between Houston George Bush Intercontinental Airport (IAH) and Louis Armstrong New Orleans International Airport (MSY)
On average, flying from Houston to New Orleans generates about 70 kg of CO2 per passenger, and 70 kilograms equals 154 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Houston to New Orleans
See the map of the shortest flight path between Houston George Bush Intercontinental Airport (IAH) and Louis Armstrong New Orleans International Airport (MSY).
Airport information
| Origin | Houston George Bush Intercontinental Airport |
|---|---|
| City: | Houston, TX |
| Country: | United States  |
| IATA Code: | IAH |
| ICAO Code: | KIAH |
| Coordinates: | 29°59′3″N, 95°20′29″W |
| Destination | Louis Armstrong New Orleans International Airport |
|---|---|
| City: | New Orleans, LA |
| Country: | United States |
| IATA Code: | MSY |
| ICAO Code: | KMSY |
| Coordinates: | 29°59′36″N, 90°15′28″W |
Airlines flying from Houston (IAH) to New Orleans (MSY)
| Air Canada |
| Lufthansa |
| Turkish Airlines |
| United Airlines |