# Distance from Perth (PER) to Castries (SLU)

> 17,999 km · estimated flight time 22h · Ultra-long-haul route.

## Summary

- **Distance**: 17,999 km / 11,184 mi / 9,718 nm
- **Estimated flight time**: 22h
- **Heading**: 190° (south)
- **Return heading**: 172° (south)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → Saint Lucia
- **Intercontinental**: Oceania → North America
- **Time difference**: -12h (When it's 10:27 in Perth, it's 22:27 in Castries)
- **Elevation difference**: 45 ft (SLU is lower than PER)

## Airports

### [Perth International Airport (PER)](https://www.flightduration.online/airport/per-perth-perth-international-airport/1ef266e0-1765-627e-aa2d-06bb2780ed98)

- City: Perth, Australia
- ICAO: YPPH
- Timezone: Australia/Perth
- Coordinates: -31.940000, 115.970000
- Elevation: 67 ft

### [George F. L. Charles Airport (SLU)](https://www.flightduration.online/airport/slu-castries-george-f-l-charles-airport/1ef266df-e048-6ec6-bfdb-06bb2780ed98)

- City: Castries, Saint Lucia
- ICAO: TLPC
- Timezone: America/St_Lucia
- Coordinates: 14.020000, -60.990000
- Elevation: 22 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 10:27 in Perth, it's 22:27 in Castries.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Perth International Airport (PER)](https://www.flightduration.online/airport/per-perth-perth-international-airport/1ef266e0-1765-627e-aa2d-06bb2780ed98)
- [George F. L. Charles Airport (SLU)](https://www.flightduration.online/airport/slu-castries-george-f-l-charles-airport/1ef266df-e048-6ec6-bfdb-06bb2780ed98)
- [Flight duration calculator](/#calculator)