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

Return flights

23 Jun - 29 Jun	Scoot	direct
24 Jun - 30 Jun	Scoot	direct
25 Jun - 29 Jun	T'way Air	direct
24 Jun - 28 Jun	T'way Air	direct
23 Jun - 26 Jun	Scoot	direct
23 Jun - 27 Jun	T'way Air	direct
29 Jun - 05 Jul	Scoot	direct
22 Jun - 28 Jun	T'way Air	direct
22 Jun - 29 Jun	Scoot
01 Jun - 01 Jul	Scoot
12 Jun - 19 Jun	T'way Air	direct
21 Jun - 27 Jun	T'way Air	direct
01 Jun - 01 Jul	Scoot	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 $296

Return flights