Seoul to Seattle Business Class Flights
Lie-flat business class · 10h 30m · Korean Air, Asiana
Based on fares from the past 90 days. Prices vary by date.
Compare business class flights from Seoul to Seattle. Lie-flat seats from €1,750 on Korean Air, Asiana, Delta. Flight time 10h 30m, distance 8,310 km. Book 2-4 months ahead for the best fares.
Airlines on this route
Business class service between Seoul and Seattle is operated by Korean Air , Asiana and Delta . All carriers offer lie-flat seats with direct aisle access on this 8,310 km route, with typical flight times of 10h 30m.
What to expect on Seoul–Seattle
At 10h 30m, this long-haul route is where business class truly shines. Expect a fully lie-flat bed (Lie-flat), multi-course dining, and premium lounge access at Seoul. With 3 airlines competing, you have options ranging from €1,750 to €4,400.
Seoul (ICN) — departure airport
Flights depart from Seoul (ICN). Business class passengers have access to premium lounges before departure. Your destination airport is Seattle (SEA). See our ICN airport guide for lounge details and SEA arrival info.
How to book Seoul to Seattle business class
Prices for business class from Seoul to Seattle range from €1,750 to €4,400. For routes above €1,500, booking 3–6 months ahead and being flexible with dates can save 20–30%. Set a price alert and wait for sales. Compare fares across 3 airlines — prices can vary by €1,325 or more depending on the carrier and season.