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

Return flights

30 Dec - 13 Jan	China Eastern
31 Dec - 20 Jan	easyJet
31 Dec - 14 Jan	easyJet
29 Dec - 20 Jan	LOT
31 Dec - 16 Jan	easyJet
30 Dec - 15 Jan	China Eastern
24 Dec - 13 Jan	T'way Air
29 Dec - 25 Jan	LOT
24 Dec - 18 Jan	T'way Air
29 Dec - 09 Jan	LOT
24 Dec - 31 Dec	T'way Air	direct
24 Dec - 26 Dec	T'way Air	direct
24 Dec - 28 Dec	T'way Air	direct
22 Dec - 31 Dec	T'way Air
25 Dec - 30 Dec	Air France
24 Dec - 30 Dec	T'way Air
28 Dec - 29 Dec	T'way Air	direct
22 Dec - 28 Dec	T'way Air	direct
28 Dec - 30 Dec	T'way Air
22 Dec - 29 Dec	T'way Air	direct

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 533€

Return flights