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

Return flights

16 Jul - 08 Aug	Turkish Airlines
15 Jul - 23 Aug	Turkish Airlines
15 Jul - 05 Aug	Turkish Airlines
07 Jul - 14 Jul	Air France
18 Jul - 22 Jul	Turkish Airlines
15 Jul - 01 Aug	Turkish Airlines
04 Jul - 28 Jul	Lufthansa
04 Jul - 29 Jul	Lufthansa
22 Jul - 02 Aug	Lufthansa
04 Jul - 01 Aug	Lufthansa
05 Jul - 02 Aug	SWISS

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

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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Cheapest return flights from Ljubljana to Seoul in July from $877

Return flights