AirHint found the following cheapest return flights from Seoul (GMP) to Cebu (CEB) in September 2025 (see full year).

Return flights

11 Sep - 17 Sep	Eastar Jet
14 Sep - 17 Sep	Air Busan
05 Sep - 07 Sep	Jeju Air
13 Sep - 17 Sep	Jeju Air
01 Sep - 08 Sep	Eastar Jet
05 Sep - 08 Sep	Jeju Air
10 Sep - 14 Sep	Eastar Jet
11 Sep - 14 Sep	Air Busan
10 Sep - 15 Sep	Eastar Jet
11 Sep - 15 Sep	Eastar Jet
24 Sep - 02 Oct	Jeju Air
22 Sep - 02 Oct	Korean Air
30 Sep - 04 Oct	Korean Air
17 Sep - 01 Oct	Korean Air
29 Sep - 01 Oct	Korean Air
28 Sep - 02 Oct	Korean Air
26 Sep - 18 Oct	Korean Air
27 Sep - 18 Oct	Korean Air
29 Sep - 05 Oct	Korean Air
30 Sep - 02 Oct	Korean Air

Also check the deals for one-way flights from Seoul to Cebu 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.

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Cheapest return flights from Seoul to Cebu in September from $159

Return flights