Cheapest return flights from Seoul to Singapore in June from $308

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

Return flights

30 Jun - 06 Jul Jeju Air
28 Jun - 01 Jul Jeju Air
29 Jun - 02 Jul Jeju Air
25 Jun - 30 Jun T'way Air
25 Jun - 29 Jun T'way Air
16 Jun - 22 Jun Jeju Air
23 Jun - 28 Jun Jeju Air
24 Jun - 28 Jun Jeju Air
09 Jun - 23 Jun Korean Air
22 Jun - 25 Jun Jeju Air
15 Jun - 25 Jun Jeju Air
09 Jun - 30 Jun Jeju Air
08 Jun - 18 Jun Jeju Air
24 Jun - 01 Jul Jeju Air
29 Jun - 04 Jul T'way Air
28 Jun - 06 Jul T'way Air
25 Jun - 02 Jul Jeju Air
16 Jun - 10 Jul Jeju Air
18 Jun - 13 Jul Jeju Air

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

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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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