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

Return flights

26 Nov - 03 Dec	Air China
17 Nov - 19 Nov	Jeju Air
16 Nov - 19 Nov	Jeju Air
24 Nov - 26 Nov	Jeju Air
20 Nov - 26 Nov	Jeju Air
23 Nov - 26 Nov	Jeju Air
17 Nov - 18 Nov	T'way Air
20 Nov - 27 Nov	Eastar Jet
21 Nov - 27 Nov	Air Busan
26 Nov - 29 Nov	T'way Air
20 Nov - 23 Nov	Eastar Jet
28 Nov - 02 Dec	Eastar Jet
20 Nov - 02 Dec	T'way Air
26 Nov - 27 Dec	T'way Air
27 Nov - 02 Dec	T'way Air
27 Nov - 01 Dec	T'way Air
24 Nov - 02 Dec	T'way Air
24 Nov - 01 Dec	T'way Air
20 Nov - 03 Dec	T'way Air
26 Nov - 10 Dec	T'way 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 241€

Return flights