# Distance from St Helens Airport (HLS) to Seoul (ICN)

> 9,040 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,040 km / 5,617 mi / 4,881 nm
- **Estimated flight time**: 12h
- **Heading**: 343° (north northwest)
- **Return heading**: 164° (south southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → South Korea
- **Intercontinental**: Oceania → Asia
- **Time difference**: -1h (When it's 22:56 in St Helens Airport, it's 21:56 in Seoul)
- **Elevation difference**: 25 ft (ICN is lower than HLS)

## Airports

### [St Helens Airport (HLS)](https://www.flightduration.online/airport/hls-st-helens-airport/1ef266e0-1992-69ac-b5ce-06bb2780ed98)

- City: St Helens Airport, Australia
- ICAO: YSTH
- Timezone: Australia/Hobart
- Coordinates: -41.340000, 148.280000
- Elevation: 48 ft

### [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)

- City: Seoul, South Korea
- ICAO: RKSI
- Timezone: Asia/Seoul
- Coordinates: 37.470000, 126.450000
- Elevation: 23 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 22:56 in St Helens Airport, it's 21:56 in Seoul.

## Related

- [St Helens Airport (HLS)](https://www.flightduration.online/airport/hls-st-helens-airport/1ef266e0-1992-69ac-b5ce-06bb2780ed98)
- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Flight duration calculator](/#calculator)