Cheapest return flights from Singapore to Seoul in September from $227

Best time to book flights for Singapore (SIN) to Seoul (ICN) flights at AirHint

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

Return flights

03 Sep - 10 Sep Scoot Tigerair direct
10 Sep - 23 Sep AirAsia
10 Sep - 25 Sep AirAsia
07 Sep - 23 Sep AirAsia
07 Sep - 25 Sep AirAsia
02 Sep - 23 Sep Thai AirAsia
20 Sep - 23 Sep Thai AirAsia
20 Sep - 25 Sep Thai AirAsia
14 Sep - 23 Sep Thai AirAsia
14 Sep - 25 Sep Thai AirAsia
27 Sep - 16 Oct Thai AirAsia
27 Sep - 14 Oct Thai AirAsia
28 Sep - 16 Oct Thai AirAsia
28 Sep - 14 Oct Thai AirAsia
23 Sep - 14 Oct Thai AirAsia
27 Sep - 10 Oct Thai AirAsia
28 Sep - 10 Oct Thai AirAsia
20 Sep - 10 Oct Thai AirAsia
23 Sep - 10 Oct Thai AirAsia
25 Sep - 16 Oct AirAsia

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