# Distance from Seattle (BFI) to London (LHR)

> 7,694 km · estimated flight time 10h · Long-haul route.

## Summary

- **Distance**: 7,694 km / 4,781 mi / 4,155 nm
- **Estimated flight time**: 10h
- **Heading**: 34° (northeast)
- **Return heading**: 322° (northwest)
- **Classification**: Long-haul
- **Type**: International (United States) → United Kingdom
- **Intercontinental**: North America → Europe
- **Time difference**: +8h (When it's 13:58 in Seattle, it's 21:58 in London)
- **Elevation difference**: 61 ft (LHR is higher than BFI)

## Airports

### [Boeing Field/King County International Airport (BFI)](https://www.flightduration.online/airport/bfi-seattle-boeing-fieldking-county-international-airport/1ef266df-104a-6602-8542-06bb2780ed98)

- City: Seattle, United States
- ICAO: KBFI
- Timezone: America/Los_Angeles
- Coordinates: 47.530000, -122.300000
- Elevation: 22 ft

### [London Heathrow Airport (LHR)](https://www.flightduration.online/airport/lhr-london-london-heathrow-airport/1ef266de-c45a-6b7a-a3bf-06bb2780ed98)

- City: London, United Kingdom
- ICAO: EGLL
- Timezone: Europe/London
- Coordinates: 51.470000, -0.460000
- Elevation: 83 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 13:58 in Seattle, it's 21:58 in London.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Boeing Field/King County International Airport (BFI)](https://www.flightduration.online/airport/bfi-seattle-boeing-fieldking-county-international-airport/1ef266df-104a-6602-8542-06bb2780ed98)
- [London Heathrow Airport (LHR)](https://www.flightduration.online/airport/lhr-london-london-heathrow-airport/1ef266de-c45a-6b7a-a3bf-06bb2780ed98)
- [Flight duration calculator](/#calculator)