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

Return flights

18 Apr - 25 Apr	Scoot Tigerair	direct
15 Apr - 22 Apr	Scoot Tigerair	direct
15 Apr - 25 Apr	Scoot Tigerair	direct
29 Apr - 15 May	AirAsia
29 Apr - 06 May	AirAsia
29 Apr - 13 May	AirAsia
29 Apr - 07 May	AirAsia
29 Apr - 14 May	AirAsia
26 Apr - 15 May	Thai AirAsia
26 Apr - 06 May	Thai AirAsia
26 Apr - 13 May	Thai AirAsia
25 Apr - 15 May	Thai AirAsia
25 Apr - 06 May	Thai AirAsia
26 Apr - 28 Apr	Thai AirAsia
26 Apr - 29 Apr	Thai AirAsia
25 Apr - 28 Apr	Thai AirAsia
12 Apr - 17 Apr	AirAsia
12 Apr - 22 Apr	AirAsia
12 Apr - 16 Apr	AirAsia
12 Apr - 28 Apr	AirAsia

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

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 April from 192€

Return flights