Cheapest one-way flights from Seoul to Cheju in December from $26

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

One-Way flights

16 Dec Korean Air direct
15 Dec Korean Air direct
10 Dec Korean Air direct
03 Dec Korean Air direct
18 Dec Asiana Airlines direct
01 Dec Korean Air direct
02 Dec Korean Air direct
23 Dec Korean Air direct
13 Dec Korean Air direct
12 Dec Asiana Airlines direct

Also check the deals for return flights from Seoul to Cheju in December.

Skyscanner

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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