Cheapest return flights from Seoul to Singapore in April from $161

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

Return flights

23 Apr - 28 Apr Jeju Air direct
01 Apr - 16 Apr Jeju Air direct
09 Apr - 15 Apr Jeju Air direct
22 Apr - 29 Apr Jeju Air direct
02 Apr - 07 Apr Jeju Air direct
23 Apr - 27 Apr Jeju Air direct
22 Apr - 27 Apr Jeju Air direct
01 Apr - 13 Apr Jeju Air direct
25 Apr - 29 Apr Jeju Air direct
22 Apr - 26 Apr Jeju Air direct
24 Apr - 06 May Vietnam Airlines
26 Apr - 12 May AirAsia X
25 Apr - 16 May Vietnam Airlines
26 Apr - 16 May Vietnam Airlines
26 Apr - 09 May Vietnam Airlines
28 Apr - 18 May Vietnam Airlines
25 Apr - 05 May Vietnam Airlines
29 Apr - 14 May Jeju Air direct
26 Apr - 12 May Jeju Air direct
20 Apr - 28 May Vietnam Airlines

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

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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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