# Distance from Houston (IAH) to Lucknow (LKO)

> 13,693 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,693 km / 8,509 mi / 7,394 nm
- **Estimated flight time**: 17h
- **Heading**: 4° (north)
- **Return heading**: 356° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → India
- **Intercontinental**: North America → Asia
- **Time difference**: +10.5h (When it's 03:29 in Houston, it's 13:59 in Lucknow)
- **Elevation difference**: 314 ft (LKO 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

### [Chaudhary Charan Singh International Airport (LKO)](https://www.flightduration.online/airport/lko-lucknow-chaudhary-charan-singh-international-airport/1ef266df-f23e-68c4-809d-06bb2780ed98)

- City: Lucknow, India
- ICAO: VILK
- Timezone: Asia/Kolkata
- Coordinates: 26.760000, 80.890000
- Elevation: 410 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 03:29 in Houston, it's 13:59 in Lucknow.
With a 10.5-hour time difference, expect significant jet lag.

## Related

- [George Bush Intcntl/Houston Airport (IAH)](https://www.flightduration.online/airport/iah-houston-george-bush-intcntlhouston-airport/1ef266df-22d4-6822-bae6-06bb2780ed98)
- [Chaudhary Charan Singh International Airport (LKO)](https://www.flightduration.online/airport/lko-lucknow-chaudhary-charan-singh-international-airport/1ef266df-f23e-68c4-809d-06bb2780ed98)
- [Flight duration calculator](/#calculator)