AirHint found the following cheapest return flights from Seoul (ICN) to Paris (CDG) in September 2026 (see full year).

Return flights

14 Sep - 22 Sep	Vietnam Airlines
15 Sep - 22 Sep	Vietnam Airlines
14 Sep - 23 Sep	Vietnam Airlines
02 Sep - 06 Sep	Air China
07 Sep - 17 Sep	Air China
14 Sep - 25 Sep	Air China
14 Sep - 18 Sep	Air China
13 Sep - 25 Sep	Air China
13 Sep - 22 Sep	Vietnam Airlines
13 Sep - 20 Sep	Vietnam Airlines
07 Sep - 07 Oct	Finnair
29 Sep - 13 Oct	Finnair
16 Sep - 04 Oct	Air China
16 Sep - 16 Oct	Air China
14 Sep - 04 Oct	Air China
02 Sep - 14 Oct	Finnair
14 Sep - 13 Oct	Vietnam Airlines
29 Sep - 06 Oct	Finnair
15 Sep - 04 Oct	Vietnam Airlines
28 Sep - 09 Oct	Vietnam Airlines

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 542€

Return flights