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Distance between New Orleans, LA (MSY) and Houston, TX (IAH)

Flight distance from New Orleans to Houston (Louis Armstrong New Orleans International Airport – Houston George Bush Intercontinental Airport) is 305 miles / 490 kilometers / 265 nautical miles. Estimated flight time is 1 hour 4 minutes.

Driving distance from New Orleans (MSY) to Houston (IAH) is 331 miles / 532 kilometers and travel time by car is about 6 hours 23 minutes.

New Orleans – Houston

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305
Miles
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490
Kilometers
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265
Nautical miles

How far is Houston from New Orleans?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common 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 earth.

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).

Flight Duration

Estimated flight time from Louis Armstrong New Orleans International Airport to Houston George Bush Intercontinental Airport is 1 hour 4 minutes.

Time difference

There is no time difference between New Orleans and Houston.

Carbon dioxide emissions

On average flying from New Orleans to Houston generates about 70 kg of CO2 per passenger, 70 kilograms is equal to 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 New Orleans to Houston

Shortest flight path between Louis Armstrong New Orleans International Airport (MSY) and Houston George Bush Intercontinental Airport (IAH).

Airport information

Origin Louis Armstrong New Orleans International Airport
City: New Orleans, LA
Country: United States Flag of United States
IATA Code: MSY
ICAO Code: KMSY
Coordinates: 29°59′36″N, 90°15′28″W
Destination Houston George Bush Intercontinental Airport
City: Houston, TX
Country: United States Flag of United States
IATA Code: IAH
ICAO Code: KIAH
Coordinates: 29°59′3″N, 95°20′29″W

Airlines flying from New Orleans (MSY) to Houston (IAH)

Air Canada
Lufthansa
Turkish Airlines
United Airlines