Cheapest one-way flights from Singapore to Seoul in September from $125

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

One-Way flights

24 Sep AirAsia
16 Sep T'way Air direct
22 Sep T'way Air direct
09 Sep T'way Air direct
28 Sep T'way Air direct
01 Sep T'way Air direct
15 Sep T'way Air direct
17 Sep T'way Air direct
08 Sep Jeju Air direct
24 Sep T'way Air direct

Also check the deals for return flights from Singapore to Seoul 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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