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

Return flights

18 Sep - 21 Oct	Lufthansa
22 Sep - 12 Oct	LOT
09 Sep - 23 Sep	Lufthansa
09 Sep - 22 Sep	Lufthansa
26 Sep - 14 Oct	Lufthansa
06 Sep - 13 Sep	Air France
01 Sep - 15 Sep	LOT
30 Sep - 20 Oct	easyJet
26 Sep - 12 Oct	Air France
19 Sep - 30 Sep	Air France
21 Sep - 05 Oct	Lufthansa
24 Sep - 28 Sep	Wizz Air Malta
01 Sep - 30 Sep	Wizz Air Malta

Also check the deals for one-way flights from Nice 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 Nice to Seoul in September from $700

Return flights