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

Return flights

25 Jul - 02 Aug	Air China
25 Jul - 01 Aug	Air China
25 Jul - 31 Jul	Air China
30 Jul - 02 Aug	Air China
29 Jul - 05 Aug	Air China
26 Jul - 29 Jul	Air China
25 Jul - 29 Jul	Air China
26 Jul - 30 Jul	Air China
14 Jul - 18 Jul	Air China
31 Jul - 03 Aug	Japan Airlines

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

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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Cheapest return flights from Seoul to Singapore in July from $538

Return flights