Cheapest return GMP–SIN flights, May

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

Return flights

06 May - 13 May Jeju Air
14 May - 20 May Jeju Air
05 May - 06 May Jeju Air
13 May - 20 May Jeju Air
14 May - 17 May Jeju Air
13 May - 17 May Jeju Air
04 May - 06 May Jeju Air
08 May - 12 May Air Busan
05 May - 07 May Jeju Air
16 May - 20 May Jeju Air
28 May - 04 Jun T'way Air
29 May - 27 Jun T'way Air
29 May - 26 Jun T'way Air
26 May - 02 Jun T'way Air
25 May - 03 Jun T'way Air
28 May - 02 Jun T'way Air
27 May - 02 Jun T'way Air
10 May - 09 Jun T'way Air
29 May - 03 Jun T'way Air
20 May - 10 Jun T'way Air

Also check the deals for one-way 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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