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

Return flights

04 Mar - 09 Mar	Scoot	direct
02 Mar - 09 Mar	Scoot	direct
02 Mar - 16 Mar	Scoot	direct
04 Mar - 16 Mar	Scoot	direct
04 Mar - 11 Mar	Scoot	direct
23 Mar - 30 Mar	Scoot	direct
04 Mar - 12 Mar	AirAsia
04 Mar - 07 Mar	Scoot	direct
07 Mar - 14 Mar	Scoot	direct
29 Mar - 07 Apr	Air China
09 Mar - 19 Mar	Scoot
25 Mar - 08 Apr	Scoot
25 Mar - 08 Apr	Scoot	direct
28 Mar - 16 Apr	Thai AirAsia
29 Mar - 16 Apr	Thai AirAsia
21 Mar - 01 Apr	Scoot
27 Mar - 16 Apr	Thai AirAsia
21 Mar - 01 Apr	Scoot	direct
26 Mar - 16 Apr	Thai AirAsia
28 Mar - 04 Apr	Scoot	direct

Also check the deals for one-way flights from Singapore to Seoul 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 Singapore to Seoul in March from $241

Return flights