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

Return flights

15 Apr - 22 Apr	Scoot Tigerair	direct
17 Apr - 21 Apr	Scoot Tigerair	direct
17 Apr - 20 Apr	Scoot Tigerair	direct
01 Apr - 08 Apr	Scoot Tigerair	direct
10 Apr - 13 Apr	Scoot Tigerair	direct
03 Apr - 07 Apr	Asiana Airlines
01 Apr - 05 Apr	Scoot Tigerair	direct
02 Apr - 05 Apr	Asiana Airlines
16 Apr - 20 Apr	Korean Air
03 Apr - 06 Apr	Korean Air
28 Apr - 03 May	Air China

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

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 April from $384

Return flights