# Distance from Boundary (BYA) to Seattle (SEA)

> 2,173 km · estimated flight time 4h · Medium-haul route.

## Summary

- **Distance**: 2,173 km / 1,350 mi / 1,173 nm
- **Estimated flight time**: 4h
- **Heading**: 139° (southeast)
- **Return heading**: 335° (north northwest)
- **Classification**: Medium-haul
- **Type**: Domestic (United States)
- **Time difference**: +1h (When it's 19:41 in Boundary, it's 20:41 in Seattle)
- **Elevation difference**: 2,508 ft (SEA is lower than BYA)

## Airports

### [Boundary Airport (BYA)](https://www.flightduration.online/airport/bya-boundary-boundary-airport/1ef266df-11f9-6a8e-ae68-06bb2780ed98)

- City: Boundary, United States
- ICAO: KBYA
- Timezone: America/Anchorage
- Coordinates: 64.080000, -141.110000
- Elevation: 2,940 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 medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

Time-zone information: When it's 19:41 in Boundary, it's 20:41 in Seattle.

## Related

- [Boundary Airport (BYA)](https://www.flightduration.online/airport/bya-boundary-boundary-airport/1ef266df-11f9-6a8e-ae68-06bb2780ed98)
- [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)