Cheapest return GMP–SIN flights, July

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

Return flights

15 Jul - 20 Jul Peach
01 Jul - 20 Jul Jeju Air
20 Jul - 22 Jul Jeju Air
15 Jul - 21 Jul Jeju Air
20 Jul - 23 Jul Jeju Air
01 Jul - 02 Jul Air China
07 Jul - 14 Jul Jeju Air
08 Jul - 14 Jul Jeju Air
07 Jul - 13 Jul Jeju Air
08 Jul - 13 Jul Jeju Air
21 Jul - 11 Aug Jeju Air
29 Jul - 11 Aug Jeju Air
20 Jul - 10 Aug Jeju Air
15 Jul - 16 Aug Jeju Air
24 Jul - 03 Aug Peach
29 Jul - 10 Aug Jeju Air
28 Jul - 03 Aug Jeju Air
29 Jul - 03 Aug Jeju Air
29 Jul - 05 Aug Jeju Air
29 Jul - 02 Aug Jeju Air

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

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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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