AirHint found the following cheapest return flights from Seoul (GMP) to Danang (DAD) in August 2025 (see full year).

Return flights

25 Aug - 28 Aug	Jeju Air
28 Aug - 03 Sep	Jeju Air
26 Aug - 29 Aug	T'way Air
25 Aug - 27 Aug	Jeju Air
28 Aug - 11 Sep	Jeju Air
18 Aug - 21 Aug	Jeju Air
20 Aug - 27 Aug	T'way Air
27 Aug - 01 Sep	T'way Air
28 Aug - 04 Sep	Jeju Air
30 Aug - 03 Sep	Jeju Air
28 Aug - 01 Sep	Jeju Air
25 Aug - 04 Sep	Jeju Air
31 Aug - 03 Sep	Jeju Air
28 Aug - 30 Aug	Jeju Air
31 Aug - 11 Sep	Jeju Air
21 Aug - 29 Aug	Korean Air
27 Aug - 31 Aug	T'way Air
29 Aug - 11 Sep	Jeju Air
25 Aug - 30 Aug	Jeju Air
24 Aug - 30 Aug	Korean Air

Also check the deals for one-way flights from Seoul to Danang in August.

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 Danang in August from 187€

Return flights