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

Return flights

14 Sep - 23 Sep	Lufthansa
02 Sep - 24 Sep	Wizz Air Malta
16 Sep - 14 Oct	SWISS
14 Sep - 12 Oct	Lufthansa
15 Sep - 15 Oct	Lufthansa
15 Sep - 13 Oct	Lufthansa
15 Sep - 20 Oct	Lufthansa
26 Sep - 13 Oct	Lufthansa
25 Sep - 13 Oct	Lufthansa
26 Sep - 14 Oct	Lufthansa
24 Sep - 24 Oct	Lufthansa
12 Sep - 11 Oct	Lufthansa
16 Sep - 30 Sep	Air India
09 Sep - 18 Sep	Air India
02 Sep - 19 Sep	Air India
03 Sep - 25 Sep	Air India
09 Sep - 16 Sep	Air India
10 Sep - 19 Sep	Air India
10 Sep - 16 Sep	Air India
04 Sep - 16 Sep	Lufthansa

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 $587

Return flights