Cheapest one-way flights from Seoul to Singapore in April from $158

AirHint found the following cheapest one-way flights from Seoul (GMP) to Singapore (SIN) in April 2026 (see full year).

One-Way flights

27 Apr Jeju Air
13 Apr Jeju Air
16 Apr Jeju Air
07 Apr Jeju Air
02 Apr Jeju Air
08 Apr Jeju Air
15 Apr Jeju Air
06 Apr Jeju Air
20 Apr Jeju Air
18 Apr Jeju Air

Also check the deals for return 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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