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

Return flights

21 Aug - 24 Aug	Lufthansa
21 Aug - 25 Aug	Lufthansa
22 Aug - 24 Aug	Lufthansa
21 Aug - 31 Aug	China Eastern
21 Aug - 04 Sep	China Eastern
22 Aug - 29 Aug	Lufthansa
25 Aug - 01 Sep	China Southern
27 Aug - 20 Sep	China Eastern
22 Aug - 09 Sep	Lufthansa
22 Aug - 31 Aug	Lufthansa
22 Aug - 25 Aug	Lufthansa
22 Aug - 26 Aug	Lufthansa
25 Aug - 03 Sep	Lufthansa
21 Aug - 28 Aug	Lufthansa
27 Aug - 18 Sep	China Southern
21 Aug - 07 Sep	Lufthansa
26 Aug - 01 Sep	Finnair
26 Aug - 03 Sep	Finnair
26 Aug - 02 Sep	Finnair
21 Aug - 27 Aug	Lufthansa

Also check the deals for one-way flights from Seoul to Paris 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 Seoul to Paris in August from $741

Return flights