# Distance from Seattle (SEA) to Alert (YLT)

> 4,364 km · estimated flight time 6h · Long-haul route.

## Summary

- **Distance**: 4,364 km / 2,712 mi / 2,357 nm
- **Estimated flight time**: 6h
- **Heading**: 10° (north)
- **Return heading**: 248° (west southwest)
- **Classification**: Long-haul
- **Type**: International (United States) → Canada
- **Time difference**: +3h (When it's 21:33 in Seattle, it's 00:33 in Alert)
- **Elevation difference**: 332 ft (YLT is lower than SEA)

## Airports

### [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

### [Alert Airport (YLT)](https://www.flightduration.online/airport/ylt-alert-alert-airport/1ef266de-b0fc-61f0-8ef8-06bb2780ed98)

- City: Alert, Canada
- ICAO: CYLT
- Timezone: America/Toronto
- Coordinates: 82.520000, -62.280000
- Elevation: 100 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 21:33 in Seattle, it's 00:33 in Alert.
The 3-hour time difference may cause some jet lag.

## Related

- [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Alert Airport (YLT)](https://www.flightduration.online/airport/ylt-alert-alert-airport/1ef266de-b0fc-61f0-8ef8-06bb2780ed98)
- [Flight duration calculator](/#calculator)