# Distance from Seattle (BFI) to Boston (BOS)

> 4,003 km · estimated flight time 6h · Long-haul route.

## Summary

- **Distance**: 4,003 km / 2,487 mi / 2,161 nm
- **Estimated flight time**: 6h
- **Heading**: 79° (east)
- **Return heading**: 296° (west northwest)
- **Classification**: Long-haul
- **Type**: Domestic (United States)
- **Time difference**: +3h (When it's 23:47 in Seattle, it's 02:47 in Boston)
- **Elevation difference**: 3 ft (BOS is lower 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

### [General Edward Lawrence Logan International Airport (BOS)](https://www.flightduration.online/airport/bos-boston-general-edward-lawrence-logan-international-airport/1ef266df-112a-6798-90da-06bb2780ed98)

- City: Boston, United States
- ICAO: KBOS
- Timezone: America/New_York
- Coordinates: 42.360000, -71.010000
- Elevation: 19 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 23:47 in Seattle, it's 02:47 in Boston.
The 3-hour time difference may cause some 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)
- [General Edward Lawrence Logan International Airport (BOS)](https://www.flightduration.online/airport/bos-boston-general-edward-lawrence-logan-international-airport/1ef266df-112a-6798-90da-06bb2780ed98)
- [Flight duration calculator](/#calculator)