Cheapest one-way flights from Seoul to Singapore in September from $76

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

One-Way flights

09 Sep Jeju Air direct
16 Sep Jeju Air direct
17 Sep Jeju Air direct
10 Sep Jeju Air direct
24 Sep AirAsia X
03 Sep AirAsia X
23 Sep Vietnam Airlines
07 Sep Vietnam Airlines
05 Sep Vietnam Airlines
18 Sep Vietnam Airlines

Also check the deals for return 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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