# Distance from Houston (IAH) to Sao Luis (SLZ)

> 6,518 km · estimated flight time 9h · Long-haul route.

## Summary

- **Distance**: 6,518 km / 4,050 mi / 3,520 nm
- **Estimated flight time**: 9h
- **Heading**: 114° (east southeast)
- **Return heading**: 308° (northwest)
- **Classification**: Long-haul
- **Type**: International (United States) → Brazil
- **Intercontinental**: North America → South America
- **Time difference**: +2h (When it's 07:47 in Houston, it's 09:47 in Sao Luis)
- **Elevation difference**: 82 ft (SLZ is higher than IAH)

## Airports

### [George Bush Intcntl/Houston Airport (IAH)](https://www.flightduration.online/airport/iah-houston-george-bush-intcntlhouston-airport/1ef266df-22d4-6822-bae6-06bb2780ed98)

- City: Houston, United States
- ICAO: KIAH
- Timezone: America/Chicago
- Coordinates: 29.980000, -95.340000
- Elevation: 96 ft

### [Marechal Cunha Machado International Airport (SLZ)](https://www.flightduration.online/airport/slz-sao-luis-marechal-cunha-machado-international-airport/1ef266df-959b-6e00-a419-06bb2780ed98)

- City: Sao Luis, Brazil
- ICAO: SBSL
- Timezone: America/Fortaleza
- Coordinates: -2.590000, -44.230000
- Elevation: 178 ft

## Route notes

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 07:47 in Houston, it's 09:47 in Sao Luis.

## Related

- [George Bush Intcntl/Houston Airport (IAH)](https://www.flightduration.online/airport/iah-houston-george-bush-intcntlhouston-airport/1ef266df-22d4-6822-bae6-06bb2780ed98)
- [Marechal Cunha Machado International Airport (SLZ)](https://www.flightduration.online/airport/slz-sao-luis-marechal-cunha-machado-international-airport/1ef266df-959b-6e00-a419-06bb2780ed98)
- [Flight duration calculator](/#calculator)