Cheapest return flights from Seoul to Singapore in September from $179

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

Return flights

22 Sep - 26 Sep Vietnam Airlines
19 Sep - 23 Sep Vietnam Airlines
17 Sep - 20 Sep Vietnam Airlines
05 Sep - 08 Sep Vietnam Airlines
11 Sep - 14 Sep Vietnam Airlines
18 Sep - 23 Sep Vietnam Airlines
19 Sep - 26 Sep Vietnam Airlines
04 Sep - 07 Sep Vietnam Airlines
16 Sep - 20 Sep Vietnam Airlines
01 Sep - 04 Sep Vietnam Airlines
23 Sep - 02 Oct AirAsia X
24 Sep - 15 Oct AirAsia X
25 Sep - 01 Oct Scoot Tigerair
24 Sep - 02 Oct Jeju Air direct
27 Sep - 03 Oct Royal Brunei
27 Sep - 01 Oct Scoot Tigerair direct
27 Sep - 17 Oct Royal Brunei
30 Sep - 03 Oct Royal Brunei
22 Sep - 22 Oct Cathay Pacific
22 Sep - 22 Oct Jeju Air direct

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

Skyscanner

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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