# Distance from Denis Island (DEI) to Houston (IAH)

> 15,801 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 15,801 km / 9,818 mi / 8,532 nm
- **Estimated flight time**: 20h
- **Heading**: 317° (northwest)
- **Return heading**: 52° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Seychelles) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -9h (When it's 11:43 in Denis Island, it's 02:43 in Houston)
- **Elevation difference**: 86 ft (IAH is higher than DEI)

## Airports

### [Denis Island Airport (DEI)](https://www.flightduration.online/airport/dei-denis-island-denis-island-airport/1ef266de-de1d-6a3a-8565-06bb2780ed98)

- City: Denis Island, Seychelles
- ICAO: FSSD
- Timezone: Indian/Mahe
- Coordinates: -3.800000, 55.670000
- Elevation: 10 ft

### [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

## Route notes

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

Time-zone information: When it's 11:43 in Denis Island, it's 02:43 in Houston.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Denis Island Airport (DEI)](https://www.flightduration.online/airport/dei-denis-island-denis-island-airport/1ef266de-de1d-6a3a-8565-06bb2780ed98)
- [George Bush Intcntl/Houston Airport (IAH)](https://www.flightduration.online/airport/iah-houston-george-bush-intcntlhouston-airport/1ef266df-22d4-6822-bae6-06bb2780ed98)
- [Flight duration calculator](/#calculator)