# Distance from Seoul (ICN) to West Yellowstone (WYS)

> 9,207 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,207 km / 5,721 mi / 4,972 nm
- **Estimated flight time**: 12h
- **Heading**: 37° (northeast)
- **Return heading**: 318° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -15h (When it's 16:59 in Seoul, it's 01:59 in West Yellowstone)
- **Elevation difference**: 6,626 ft (WYS is higher than ICN)

## Airports

### [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)

- City: Seoul, South Korea
- ICAO: RKSI
- Timezone: Asia/Seoul
- Coordinates: 37.470000, 126.450000
- Elevation: 23 ft

### [Yellowstone Airport (WYS)](https://www.flightduration.online/airport/wys-west-yellowstone-yellowstone-airport/1ef266df-402e-6864-b2fe-06bb2780ed98)

- City: West Yellowstone, United States
- ICAO: KWYS
- Timezone: America/Denver
- Coordinates: 44.690000, -111.120000
- Elevation: 6,649 ft

## Route notes

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

Time-zone information: When it's 16:59 in Seoul, it's 01:59 in West Yellowstone.
With a 15-hour time difference, expect significant jet lag.

## Related

- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Yellowstone Airport (WYS)](https://www.flightduration.online/airport/wys-west-yellowstone-yellowstone-airport/1ef266df-402e-6864-b2fe-06bb2780ed98)
- [Flight duration calculator](/#calculator)