Cheapest one-way flights from Seoul to Singapore in May from $160

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

One-Way flights

13 May Jeju Air
14 May Jeju Air
11 May Jeju Air
20 May Jeju Air
09 May Jeju Air
16 May Jeju Air
17 May Jeju Air
06 May T'way Air
07 May T'way Air
25 May Jeju Air

Also check the deals for return flights from Seoul to Singapore in May.

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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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