Cheapest return flights from Cheju to Seoul in December from $19

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

Return flights

16 Dec - 05 Jan T'way Air direct
17 Dec - 05 Jan T'way Air direct
03 Dec - 03 Dec T'way Air direct
02 Dec - 03 Dec T'way Air direct
18 Dec - 05 Jan T'way Air direct
10 Dec - 10 Dec Eastar Jet direct
10 Dec - 17 Dec Eastar Jet direct
11 Dec - 17 Dec Eastar Jet direct
03 Dec - 10 Dec T'way Air direct
03 Dec - 09 Dec T'way Air direct
03 Dec - 17 Dec T'way Air direct
02 Dec - 10 Dec T'way Air direct
02 Dec - 09 Dec T'way Air direct
23 Dec - 05 Jan Eastar Jet direct
19 Dec - 05 Jan T'way Air direct
24 Dec - 05 Jan T'way Air direct
23 Dec - 12 Jan Eastar Jet direct
18 Dec - 04 Jan T'way Air direct
18 Dec - 06 Jan T'way Air direct
18 Dec - 07 Jan T'way Air direct

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