AirHint found the following cheapest return flights from Seoul (GMP) to Singapore (SIN) in March 2026 (see full year).

Return flights

06 Mar - 08 Mar	T'way Air
04 Mar - 11 Mar	T'way Air
04 Mar - 08 Mar	T'way Air
03 Mar - 06 Mar	T'way Air
04 Mar - 06 Mar	T'way Air
16 Mar - 23 Mar	T'way Air
06 Mar - 22 Mar	T'way Air
02 Mar - 07 Mar	T'way Air
01 Mar - 04 Mar	Jeju Air
13 Mar - 22 Mar	T'way Air
27 Mar - 01 Apr	Air China
19 Mar - 19 Apr	Air China
28 Mar - 01 Apr	Air China
28 Mar - 11 Apr	Air China
25 Mar - 02 Apr	Air China

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

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 March from $359

Return flights