# Distance from Sidney (SDY) to Seattle (SEA)

> 1,356 km · estimated flight time 3h · Short-haul route.

## Summary

- **Distance**: 1,356 km / 843 mi / 732 nm
- **Estimated flight time**: 3h
- **Heading**: 276° (west)
- **Return heading**: 82° (east)
- **Classification**: Short-haul
- **Type**: Domestic (United States)
- **Time difference**: -1h (When it's 22:35 in Sidney, it's 21:35 in Seattle)
- **Elevation difference**: 1,553 ft (SEA is lower than SDY)

## Airports

### [Sidney-Richland Regional Airport (SDY)](https://flightduration.online/airport/sdy-sidney-sidney-richland-regional-airport/1ef266df-37e2-63cc-a93a-06bb2780ed98)

- City: Sidney, United States
- ICAO: KSDY
- Timezone: America/Denver
- Coordinates: 47.710000, -104.190000
- Elevation: 1,985 ft

### [Seattle-Tacoma International Airport (SEA)](https://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 short-haul route typically served by narrow-body aircraft such as the Boeing 737 or Airbus A320 family. In-flight service is usually limited to drinks and light snacks.

Time-zone information: When it's 22:35 in Sidney, it's 21:35 in Seattle.

## Related

- [Sidney-Richland Regional Airport (SDY)](https://flightduration.online/airport/sdy-sidney-sidney-richland-regional-airport/1ef266df-37e2-63cc-a93a-06bb2780ed98)
- [Seattle-Tacoma International Airport (SEA)](https://flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Flight duration calculator](/#calculator)