Cheapest return ICN–SIN flights, September

AirHint found the following cheapest return flights from Seoul (ICN) to Singapore (SIN) in September 2026 (see full year).

Return flights

07 Sep - 21 Sep Scoot
10 Sep - 14 Sep Scoot
02 Sep - 07 Sep Scoot
03 Sep - 07 Sep Scoot
17 Sep - 21 Sep Scoot
08 Sep - 14 Sep Scoot
07 Sep - 13 Sep Scoot
16 Sep - 23 Sep Scoot
03 Sep - 08 Sep Scoot
07 Sep - 10 Sep Scoot
29 Sep - 06 Oct Royal Brunei
25 Sep - 02 Oct Xiamen Airlines
27 Sep - 14 Oct Xiamen Airlines
29 Sep - 04 Oct Cathay Pacific
28 Sep - 01 Oct Xiamen Airlines
26 Sep - 04 Oct Xiamen Airlines
27 Sep - 01 Oct Vietnam Airlines
29 Sep - 04 Oct Asiana Airlines direct
30 Sep - 04 Oct Asiana Airlines direct
26 Sep - 04 Oct Asiana Airlines direct

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

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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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