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

Return flights

03 Nov - 07 Nov	Jeju Air
10 Nov - 14 Nov	Jeju Air
09 Nov - 12 Nov	Jeju Air
05 Nov - 10 Nov	T'way Air
04 Nov - 09 Nov	Jeju Air
01 Nov - 05 Nov	Jeju Air
08 Nov - 11 Nov	Jeju Air
08 Nov - 12 Nov	Jeju Air
12 Nov - 17 Nov	T'way Air
17 Nov - 18 Nov	T'way Air
10 Nov - 08 Dec	Jeju Air
27 Nov - 01 Dec	Air China
29 Nov - 03 Dec	Air China
17 Nov - 02 Dec	Jeju Air
29 Nov - 02 Dec	Jeju Air
30 Nov - 04 Dec	Jeju Air
26 Nov - 01 Dec	Air China
28 Nov - 01 Dec	Jeju Air

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

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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Cheapest return flights from Seoul to Singapore in November from $489

Return flights