# Distance from Seattle (SEA) to Summerside (YSU)

> 4,333 km · estimated flight time 6h · Long-haul route.

## Summary

- **Distance**: 4,333 km / 2,693 mi / 2,340 nm
- **Estimated flight time**: 6h
- **Heading**: 69° (east northeast)
- **Return heading**: 294° (west northwest)
- **Classification**: Long-haul
- **Type**: International (United States) → Canada
- **Time difference**: +4h (When it's 17:23 in Seattle, it's 21:23 in Summerside)
- **Elevation difference**: 376 ft (YSU 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

### [Summerside Airport (YSU)](https://www.flightduration.online/airport/ysu-summerside-summerside-airport/1ef266de-b2c8-62d6-b87b-06bb2780ed98)

- City: Summerside, Canada
- ICAO: CYSU
- Timezone: America/Halifax
- Coordinates: 46.440000, -63.830000
- Elevation: 56 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 17:23 in Seattle, it's 21:23 in Summerside.
The 4-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)
- [Summerside Airport (YSU)](https://www.flightduration.online/airport/ysu-summerside-summerside-airport/1ef266de-b2c8-62d6-b87b-06bb2780ed98)
- [Flight duration calculator](/#calculator)