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

Return flights

07 Dec - 09 Dec	T'way Air
07 Dec - 14 Dec	T'way Air	direct
07 Dec - 13 Dec	T'way Air	direct
07 Dec - 17 Dec	T'way Air	direct
08 Dec - 20 Jan	Air China
07 Dec - 15 Dec	T'way Air
08 Dec - 21 Jan	Air China
06 Dec - 13 Dec	easyJet
07 Dec - 11 Dec	T'way Air
08 Dec - 23 Dec	Air China
08 Dec - 16 Dec	Air China
09 Dec - 16 Dec	Etihad Airways
31 Dec - 20 Jan	easyJet
10 Dec - 20 Jan	Fly One
29 Dec - 20 Jan	LOT
30 Dec - 24 Jan	LOT
30 Dec - 21 Jan	LOT
29 Dec - 25 Jan	LOT
29 Dec - 14 Jan	LOT
31 Dec - 14 Jan	easyJet

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 $565

Return flights