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

Return flights

15 Jun - 22 Jun	Asiana Airlines
11 Jun - 14 Jun	Asiana Airlines
03 Jun - 09 Jun	Asiana Airlines
05 Jun - 11 Jun	Asiana Airlines
05 Jun - 14 Jun	Asiana Airlines
12 Jun - 15 Jun	Asiana Airlines
15 Jun - 22 Jun	Scoot Tigerair	direct
12 Jun - 15 Jun	Scoot Tigerair	direct
03 Jun - 09 Jun	Scoot Tigerair	direct
05 Jun - 14 Jun	Scoot Tigerair	direct

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

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 June from $579

Return flights