Star Alliance member Lufthansa offers fairly priced Business Class flights from Sweden to Seoul available in the next winter season for €1560. These return flights have one (usually) short layover in Frankfurt. If you are flexible and can cheaply reach Budapest this is by far the cheapest option from Europe to South Korea currently available.
Fare Class: Business (P)
Plane(s): B747-400 (FRA-ICN) or A350-900 (MUC-ICN)
Seating: 2-2/2-3-2 (B747) or 2-2-2 (A350)
Flying from: Stockholm, Gothenburg
Flying to: Seoul
Airline(s): Lufthansa
Luggage: 2x32kg
Outbound travel dates: Late November 2024 to April 2025 (excl. Christmas)
Max stay: 3 months
Book by: Unknown
Booking samples
Booking sample of Lufthansa Business Class flights to South Korea for €1560! As per the above, your outbound flight from Stockholm to Seoul on the 10th of March returning from Asia to Europe on the 25th of March 2025.