Cheapest return flights from Seoul to Cheju in December from $52

AirHint found the following cheapest return flights from Seoul (GMP) to Cheju (CJU) in December 2025 (see full year).

Return flights

15 Dec - 18 Dec Korean Air direct
10 Dec - 16 Dec Korean Air direct
15 Dec - 17 Dec Korean Air direct
02 Dec - 18 Dec Korean Air direct
01 Dec - 09 Dec Korean Air direct
02 Dec - 09 Dec Korean Air direct
08 Dec - 11 Dec Korean Air direct
15 Dec - 23 Dec Korean Air direct
02 Dec - 04 Dec Korean Air direct
03 Dec - 10 Dec Korean Air direct
19 Dec - 25 Jan Korean Air direct
24 Dec - 07 Jan Korean Air direct
22 Dec - 02 Jan Korean Air direct
20 Dec - 03 Jan Korean Air direct
27 Dec - 10 Jan Korean Air direct
24 Dec - 03 Jan Korean Air direct
30 Dec - 04 Jan Korean Air direct
29 Dec - 04 Jan Korean Air direct
28 Dec - 04 Jan Korean Air direct
28 Dec - 03 Jan Korean Air direct

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

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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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