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

Return flights

04 Sep - 09 Sep	T'way Air	direct
05 Sep - 08 Sep	T'way Air	direct
19 Sep - 23 Sep	Scoot Tigerair	direct
06 Sep - 09 Sep	T'way Air	direct
03 Sep - 10 Sep	T'way Air	direct
03 Sep - 07 Sep	T'way Air	direct
09 Sep - 10 Sep	T'way Air	direct
17 Sep - 21 Sep	Scoot Tigerair	direct
11 Sep - 17 Sep	Jeju Air
12 Sep - 16 Sep	Jeju Air
26 Sep - 03 Oct	Scoot Tigerair	direct

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

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.

Book a cheap hotel in Singapore

Cheap car rent in Singapore

Cheapest return flights from Cheju to Singapore in September from $201

Return flights