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

Return flights

22 Apr - 27 Apr	Scoot	direct
29 Apr - 06 May	Scoot	direct
08 Apr - 15 Apr	Scoot	direct
20 Apr - 25 Apr	Scoot	direct
16 Apr - 25 Apr	AirAsia X
11 Apr - 14 Apr	Royal Brunei
16 Apr - 27 Apr	AirAsia X
16 Apr - 26 Apr	AirAsia X
04 Apr - 11 Apr	Scoot	direct
21 Apr - 27 Apr	AirAsia X
21 Apr - 26 Apr	AirAsia X
21 Apr - 10 May	AirAsia X
28 Apr - 12 May	AirAsia X
28 Apr - 10 May	AirAsia X
28 Apr - 15 May	AirAsia X
23 Apr - 12 May	AirAsia X
23 Apr - 10 May	AirAsia X
28 Apr - 16 May	AirAsia X
28 Apr - 14 May	AirAsia X
16 Apr - 06 May	AirAsia X

Also check the deals for one-way flights from Seoul to Singapore 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 Seoul to Singapore in April from 190€

Return flights