# Distance from Seattle (SEA) to Southampton (SOU)

> 7,709 km · estimated flight time 10h · Long-haul route.

## Summary

- **Distance**: 7,709 km / 4,790 mi / 4,163 nm
- **Estimated flight time**: 10h
- **Heading**: 35° (northeast)
- **Return heading**: 322° (northwest)
- **Classification**: Long-haul
- **Type**: International (United States) → United Kingdom
- **Intercontinental**: North America → Europe
- **Time difference**: +8h (When it's 02:08 in Seattle, it's 10:08 in Southampton)
- **Elevation difference**: 388 ft (SOU is lower than SEA)

## Airports

### [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

### [Southampton Airport (SOU)](https://www.flightduration.online/airport/sou-southampton-southampton-airport/1ef266de-c3eb-6c8e-ae44-06bb2780ed98)

- City: Southampton, United Kingdom
- ICAO: EGHI
- Timezone: Europe/London
- Coordinates: 50.950000, -1.360000
- Elevation: 44 ft

## Route notes

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 02:08 in Seattle, it's 10:08 in Southampton.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Southampton Airport (SOU)](https://www.flightduration.online/airport/sou-southampton-southampton-airport/1ef266de-c3eb-6c8e-ae44-06bb2780ed98)
- [Flight duration calculator](/#calculator)