Cheapest return flights from Seoul to Singapore in September from 166€

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

Return flights

11 Sep - 16 Sep T'way Air direct
11 Sep - 15 Sep T'way Air direct
19 Sep - 26 Sep Vietnam Airlines
01 Sep - 03 Sep T'way Air direct
03 Sep - 08 Sep T'way Air direct
10 Sep - 15 Sep T'way Air direct
01 Sep - 08 Sep T'way Air direct
04 Sep - 09 Sep T'way Air direct
10 Sep - 17 Sep T'way Air direct
05 Sep - 09 Sep T'way Air direct
25 Sep - 01 Oct Jeju Air direct
10 Sep - 02 Oct Jeju Air direct
11 Sep - 03 Oct Jeju Air direct
27 Sep - 03 Oct Royal Brunei
29 Sep - 02 Oct AirAsia
25 Sep - 02 Oct Malaysia Airlines
26 Sep - 03 Oct AirAsia X
27 Sep - 17 Oct Royal Brunei
23 Sep - 02 Oct AirAsia X
25 Sep - 14 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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