AirHint found the following cheapest return flights from Lyon (LYS) to Seoul (ICN) in August 2025 (see full year).

Return flights

25 Aug - 10 Sep	LOT
27 Aug - 17 Sep	LOT
25 Aug - 17 Sep	LOT
31 Aug - 10 Sep	LOT
28 Aug - 04 Sep	easyJet
30 Aug - 10 Sep	Austrian Airlines
27 Aug - 01 Sep	easyJet
28 Aug - 10 Sep	Vueling Airlines
31 Aug - 14 Sep	easyJet
18 Aug - 25 Aug	Scandinavian Airlines
19 Aug - 01 Sep	Vueling Airlines
18 Aug - 29 Aug	Scandinavian Airlines
22 Aug - 29 Aug	Vueling Airlines
18 Aug - 26 Aug	Scandinavian Airlines
15 Aug - 25 Aug	Air France
17 Aug - 24 Aug	Air France
15 Aug - 28 Aug	easyJet
16 Aug - 22 Aug	Wizz Air
14 Aug - 18 Aug	Air France
14 Aug - 21 Aug	KLM

Also check the deals for one-way flights from Lyon to Seoul in August.

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 Lyon to Seoul in August from 566€

Return flights