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

Return flights

16 Oct - 23 Oct	Jin Air
18 Oct - 25 Oct	Air Busan
16 Oct - 20 Oct	Jeju Air
24 Oct - 02 Nov	Scoot Tigerair
10 Oct - 13 Oct	Scoot Tigerair	direct
24 Oct - 02 Nov	Scoot Tigerair	direct
16 Oct - 23 Oct	T'way Air	direct
18 Oct - 25 Oct	T'way Air	direct
16 Oct - 20 Oct	T'way Air	direct
08 Oct - 13 Oct	Scoot Tigerair	direct
22 Oct - 25 Oct	Jeju Air
05 Oct - 08 Oct	Scoot Tigerair	direct

Also check the deals for one-way flights from Cheju to Singapore in October.

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 Cheju to Singapore in October from 291€

Return flights