# Distance from Cascais Airport (CAT) to Seoul (ICN)

> 10,411 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,411 km / 6,469 mi / 5,622 nm
- **Estimated flight time**: 13h
- **Heading**: 34° (north northeast)
- **Return heading**: 327° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Portugal) → South Korea
- **Intercontinental**: Europe → Asia
- **Time difference**: +8h (When it's 20:46 in Cascais Airport, it's 04:46 in Seoul)
- **Elevation difference**: 302 ft (ICN is lower than CAT)

## Airports

### [Cascais Airport (CAT)](https://www.flightduration.online/airport/cat-cascais-airport/1ef266df-5574-614c-8750-06bb2780ed98)

- City: Cascais Airport, Portugal
- ICAO: LPCS
- Timezone: Europe/Lisbon
- Coordinates: 38.730000, -9.360000
- Elevation: 325 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 20:46 in Cascais Airport, it's 04:46 in Seoul.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Cascais Airport (CAT)](https://www.flightduration.online/airport/cat-cascais-airport/1ef266df-5574-614c-8750-06bb2780ed98)
- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Flight duration calculator](/#calculator)