# Distance from Lifuka (HPA) to Seattle (SEA)

> 9,098 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,098 km / 5,654 mi / 4,913 nm
- **Estimated flight time**: 12h
- **Heading**: 33° (north northeast)
- **Return heading**: 229° (southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Tonga) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -20h (When it's 09:42 in Lifuka, it's 13:42 in Seattle)
- **Elevation difference**: 401 ft (SEA is higher than HPA)

## Airports

### [Lifuka Island Airport (HPA)](https://www.flightduration.online/airport/hpa-lifuka-lifuka-island-airport/1ef266df-705f-602e-b1ec-06bb2780ed98)

- City: Lifuka, Tonga
- ICAO: NFTL
- Timezone: Pacific/Tongatapu
- Coordinates: -19.780000, -174.340000
- Elevation: 31 ft

### [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)

- City: Seattle, United States
- ICAO: KSEA
- Timezone: America/Los_Angeles
- Coordinates: 47.450000, -122.310000
- Elevation: 432 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 09:42 in Lifuka, it's 13:42 in Seattle.
With a 20-hour time difference, expect significant jet lag.

## Related

- [Lifuka Island Airport (HPA)](https://www.flightduration.online/airport/hpa-lifuka-lifuka-island-airport/1ef266df-705f-602e-b1ec-06bb2780ed98)
- [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Flight duration calculator](/#calculator)