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

Return flights

01 Sep - 18 Sep	Finnair
21 Sep - 05 Oct	Finnair
08 Sep - 15 Sep	Finnair
01 Sep - 10 Sep	Etihad Airways
01 Sep - 15 Sep	Finnair
14 Sep - 30 Sep	Finnair
01 Sep - 08 Sep	Finnair
01 Sep - 04 Oct	Finnair
01 Sep - 01 Oct	Finnair
01 Sep - 11 Sep	Etihad Airways
21 Sep - 28 Sep	Finnair
14 Sep - 03 Oct	Finnair
03 Sep - 12 Sep	Vietnam Airlines
07 Sep - 28 Sep	Finnair
12 Sep - 03 Oct	Finnair
19 Sep - 03 Oct	Finnair
24 Sep - 09 Oct	Lufthansa
25 Sep - 09 Oct	SWISS
23 Sep - 08 Oct	Scandinavian Airlines
23 Sep - 07 Oct	Scandinavian Airlines

Also check the deals for one-way flights from Paris to Seoul 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 Paris to Seoul in September from 607€

Return flights