Seoul to Bangkok Business Class Flights
Lie-flat business class · 5h 30m · Korean Air, Asiana
Based on fares from the past 90 days. Prices vary by date.
Compare business class flights from Seoul to Bangkok. Lie-flat seats from €950 on Korean Air, Asiana, Thai Airways. Flight time 5h 30m, distance 3,720 km. Book 2-4 months ahead for the best fares.
Airlines on this route
Business class service between Seoul and Bangkok is operated by Korean Air , Asiana and Thai Airways . All carriers offer lie-flat seats with direct aisle access on this 3,720 km route, with typical flight times of 5h 30m.
What to expect on Seoul–Bangkok
This 5h 30m medium-haul route offers Prestige Suite or Lie-flat seats. At this distance (3,720 km), business class gives you lounge access, priority boarding, and significantly more comfort. Fares start at €950—strong value for the premium cabin.
Seoul (ICN) — departure airport
Flights depart from Seoul (ICN). Business class passengers have access to premium lounges before departure. Your destination airport is Bangkok (BKK). See our ICN airport guide for lounge details and BKK arrival info.
How to book Seoul to Bangkok business class
Prices for business class from Seoul to Bangkok range from €950 to €2,600. Book 2–3 months in advance for the best fares. Midweek departures (Tuesday–Thursday) are typically 15–25% cheaper. Compare fares across 3 airlines — prices can vary by €825 or more depending on the carrier and season.