# Distance from Derry (LDY) to Seattle (SEA)

> 7,111 km · estimated flight time 9h · Long-haul route.

## Summary

- **Distance**: 7,111 km / 4,419 mi / 3,840 nm
- **Estimated flight time**: 9h
- **Heading**: 317° (northwest)
- **Return heading**: 35° (northeast)
- **Classification**: Long-haul
- **Type**: International (United Kingdom) → United States
- **Intercontinental**: Europe → North America
- **Time difference**: -8h (When it's 03:02 in Derry, it's 19:02 in Seattle)
- **Elevation difference**: 410 ft (SEA is higher than LDY)

## Airports

### [City of Derry Airport (LDY)](https://www.flightduration.online/airport/ldy-derry-city-of-derry-airport/1ef266de-c2b7-6462-9e92-06bb2780ed98)

- City: Derry, United Kingdom
- ICAO: EGAE
- Timezone: Europe/London
- Coordinates: 55.040000, -7.160000
- Elevation: 22 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 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 03:02 in Derry, it's 19:02 in Seattle.
With a 8-hour time difference, expect significant jet lag.

## Related

- [City of Derry Airport (LDY)](https://www.flightduration.online/airport/ldy-derry-city-of-derry-airport/1ef266de-c2b7-6462-9e92-06bb2780ed98)
- [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)