Cheapest return flights from Seoul to Ljubljana in September from $644

Best time to book flights for Seoul (ICN) to Ljubljana (LJU) flights at AirHint

AirHint found the following cheapest return flights from Seoul (ICN) to Ljubljana (LJU) in September 2025 (see full year).

Return flights

06 Sep - 15 Sep Lufthansa
05 Sep - 09 Sep Lufthansa
15 Sep - 22 Sep Lufthansa
05 Sep - 12 Sep Lufthansa
13 Sep - 22 Sep Lufthansa
05 Sep - 13 Sep Lufthansa
06 Sep - 13 Sep Lufthansa
12 Sep - 20 Sep Lufthansa
01 Sep - 06 Sep SWISS
19 Sep - 27 Sep Lufthansa
15 Sep - 15 Oct Lufthansa
22 Sep - 12 Oct Turkish Airlines
22 Sep - 11 Oct Turkish Airlines

Also check the deals for one-way flights from Seoul to Ljubljana in September.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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