Seattle to Seoul flights
Direct and connecting flights from Seattle Tacoma International Airport (SEA) to Incheon International Airport (ICN) — airlines, aircraft types, and the safety record for this route.
Route FAQ
How long does the flight from Seattle to Seoul take?
Flight time from Seattle (SEA) to Seoul (ICN) depends on routing, aircraft type, and whether the flight is direct or connecting. A direct flight typically reflects great-circle distance plus winds, while one-stop options can add several hours depending on the layover airport. The typical block time and frequency we have observed for this route are shown above.
Which airlines fly from Seattle to Seoul?
Airline availability for SEA to ICN changes by season and sometimes week to week as carriers adjust capacity. The airlines and aircraft types observed operating this route, both direct and connecting, are listed below based on real flight-tracking data.
Are there direct flights from Seattle to Seoul?
Direct (nonstop) availability on SEA to ICN varies by date, day of week, and season. Busy city pairs usually have multiple daily nonstops, while thinner routes may only have direct service a few days per week or only during peak seasons.
No fatal or serious occurrence involving any operator on this pair in the last 90 days.
- Asiana Airlines94
- Korean Air88
- Atlas Air58
- Delta Air Lines40
| Carrier | Sightings / 90d | Safety events |
|---|---|---|
| Korean Air | 2 sightings | No recorded events |
| Atlas Air | 1 sighting | No recorded events |
| Delta Air Lines | 1 sighting | No recorded events |
| Asiana Airlines | 1 sighting | No recorded events |
Planning SEA → ICN
SEA to ICN is a long-haul route of 8,373 km (5,203 mi). See the return ICN → SEA route.
Alternative airports near Seattle: Seattle (BFI) — 9 km, Renton (RNT) — 9 km, Tacoma (TIW) — 28 km.
Alternative airports near Seoul: Seoul (GMP) — 32 km, Suwon (SWU) — 55 km, Seoul East (SSN) — 58 km.