AirHint found the following cheapest return flights from Singapore (SIN) to Cheju (CJU) in December 2026 (see full year).

Return flights

03 Dec - 11 Dec	Cathay Pacific
07 Dec - 17 Dec	Cathay Pacific
04 Dec - 11 Dec	Cathay Pacific
04 Dec - 12 Dec	Cathay Pacific
03 Dec - 11 Dec	Scoot	direct
03 Dec - 08 Dec	Scoot	direct
04 Dec - 11 Dec	Scoot	direct
04 Dec - 12 Dec	Scoot	direct
04 Dec - 10 Dec	Scoot	direct
07 Dec - 11 Dec	Scoot	direct
29 Dec - 04 Jan	Scoot	direct
25 Dec - 04 Jan	Scoot	direct
18 Dec - 01 Jan	Scoot	direct
24 Dec - 02 Jan	Scoot	direct
18 Dec - 03 Jan	Scoot	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 $443

Return flights