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

Return flights

14 Sep - 22 Sep	Air China
14 Sep - 17 Sep	Air China
14 Sep - 21 Sep	Air China
14 Sep - 19 Sep	Air China
17 Sep - 24 Sep	Air China
14 Sep - 24 Sep	Air China
14 Sep - 23 Sep	Air China
17 Sep - 14 Oct	Air China
19 Sep - 24 Sep	China Eastern
23 Sep - 30 Sep	Etihad Airways
07 Sep - 19 Sep	Air China
22 Sep - 04 Oct	China Southern
22 Sep - 03 Oct	China Southern
16 Sep - 04 Oct	China Southern
22 Sep - 02 Oct	Emirates
22 Sep - 29 Oct	Emirates
17 Sep - 30 Oct	Emirates
25 Sep - 02 Oct	Emirates
23 Sep - 23 Oct	Emirates
18 Sep - 02 Oct	Emirates

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

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 September from 503€

Return flights