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

Return flights

01 Dec - 15 Dec	easyJet
04 Dec - 07 Dec	China Eastern
04 Dec - 15 Dec	easyJet
01 Dec - 09 Dec	easyJet
01 Dec - 12 Dec	easyJet
01 Dec - 14 Dec	easyJet
01 Dec - 08 Dec	easyJet
05 Dec - 17 Dec	easyJet
06 Dec - 17 Dec	Lufthansa
05 Dec - 14 Dec	easyJet
10 Dec - 16 Jan	Lufthansa
04 Dec - 01 Jan	China Eastern
10 Dec - 01 Jan	China Eastern
05 Dec - 06 Jan	easyJet
06 Dec - 01 Jan	China Eastern
01 Dec - 16 Jan	Lufthansa
11 Dec - 24 Jan	Lufthansa
13 Dec - 24 Jan	Lufthansa
13 Dec - 15 Jan	Lufthansa
12 Dec - 25 Jan	Lufthansa

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

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 December from 467€

Return flights