AirHint found the following cheapest return flights from Seoul (GMP) to Jakarta (CGK) in July 2025 (see full year).

Return flights

25 Jul - 28 Jul	China Eastern
25 Jul - 04 Aug	Air China
28 Jul - 02 Aug	Air China
28 Jul - 09 Aug	Air China
28 Jul - 03 Aug	Air China
25 Jul - 02 Aug	Air China
16 Jul - 22 Jul	EVA Air
16 Jul - 29 Jul	EVA Air
15 Jul - 05 Aug	EVA Air
16 Jul - 24 Jul	EVA Air
15 Jul - 24 Jul	EVA Air
22 Jul - 16 Aug	China Eastern
19 Jul - 09 Aug	Air China
18 Jul - 21 Jul	EVA Air
25 Jul - 29 Jul	EVA Air
15 Jul - 29 Jul	EVA Air
16 Jul - 21 Jul	EVA Air
16 Jul - 28 Jul	EVA Air
25 Jul - 01 Aug	EVA Air
25 Jul - 03 Aug	Air China

Also check the deals for one-way flights from Seoul to Jakarta 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 Jakarta in July from $475

Return flights