Bangkok to Seoul Business Class Flights
Lie-flat business class · 5h 30m · Thai Airways, Korean Air
Based on fares from the past 90 days. Prices vary by date.
Compare business class flights from Bangkok to Seoul. Lie-flat seats from €950 on Thai Airways, Korean Air, Asiana. 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 Bangkok and Seoul is operated by Thai Airways , Korean Air and Asiana . 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 Bangkok–Seoul
This 5h 30m medium-haul route offers 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.
Bangkok (BKK) — departure airport
Flights depart from Bangkok (BKK). Business class passengers have access to premium lounges before departure. Your destination airport is Seoul (ICN). See our BKK airport guide for lounge details and ICN arrival info.
How to book Bangkok to Seoul business class
Prices for business class from Bangkok to Seoul 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.