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

Return flights

30 Dec - 15 Jan	T'way Air	direct
28 Dec - 09 Jan	AirAsia
28 Dec - 09 Jan	T'way Air	direct
30 Dec - 06 Jan	T'way Air
29 Dec - 08 Jan	T'way Air	direct
30 Dec - 06 Jan	T'way Air	direct
30 Dec - 07 Jan	T'way Air	direct
31 Dec - 07 Jan	AirAsia
31 Dec - 07 Jan	T'way Air	direct
27 Dec - 08 Jan	Scoot	direct
27 Dec - 29 Dec	Scoot	direct
28 Dec - 30 Dec	T'way Air	direct
27 Dec - 30 Dec	Jeju Air
27 Dec - 30 Dec	T'way Air	direct

Also check the deals for one-way flights from Singapore to Cheju 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 Singapore to Cheju in December from 199€

Return flights