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

Return flights

17 Oct - 19 Oct	Air China
24 Oct - 28 Oct	Air China
20 Oct - 23 Oct	Air China
24 Oct - 26 Oct	Air China
15 Oct - 21 Oct	Air China
12 Oct - 19 Oct	China Eastern
13 Oct - 16 Oct	Air China
12 Oct - 14 Oct	Air China
12 Oct - 16 Oct	Air China
11 Oct - 18 Oct	Air China
27 Oct - 03 Nov	Japan Airlines
30 Oct - 07 Nov	Japan Airlines
23 Oct - 10 Nov	Japan Airlines
18 Oct - 01 Nov	Japan Airlines
26 Oct - 05 Nov	Japan Airlines
23 Oct - 07 Nov	Japan Airlines
31 Oct - 04 Nov	Japan Airlines
26 Oct - 01 Nov	Japan Airlines
24 Oct - 05 Nov	Japan Airlines

Also check the deals for one-way flights from Seoul to Jakarta in October.

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 October from $303

Return flights