# Distance from Buffalo (BUF) to Seoul (ICN)

> 10,719 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 10,719 km / 6,660 mi / 5,788 nm
- **Estimated flight time**: 14h
- **Heading**: 340° (north northwest)
- **Return heading**: 18° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → South Korea
- **Intercontinental**: North America → Asia
- **Time difference**: +13h (When it's 22:27 in Buffalo, it's 11:27 in Seoul)
- **Elevation difference**: 704 ft (ICN is lower than BUF)

## Airports

### [Buffalo Niagara International Airport (BUF)](https://www.flightduration.online/airport/buf-buffalo-buffalo-niagara-international-airport/1ef266df-1191-6c40-ba5f-06bb2780ed98)

- City: Buffalo, United States
- ICAO: KBUF
- Timezone: America/New_York
- Coordinates: 42.940000, -78.730000
- Elevation: 727 ft

### [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

## 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 22:27 in Buffalo, it's 11:27 in Seoul.
With a 13-hour time difference, expect significant jet lag.

## Related

- [Buffalo Niagara International Airport (BUF)](https://www.flightduration.online/airport/buf-buffalo-buffalo-niagara-international-airport/1ef266df-1191-6c40-ba5f-06bb2780ed98)
- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Flight duration calculator](/#calculator)