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

Return flights

28 Aug - 04 Sep	Air China
31 Aug - 04 Sep	Air China
17 Aug - 31 Aug	Philippine Airlines
27 Aug - 07 Sep	Cathay Pacific
20 Aug - 27 Aug	Cathay Pacific
27 Aug - 30 Aug	ANA
19 Aug - 26 Aug	Cathay Pacific
29 Aug - 02 Sep	Cathay Pacific
29 Aug - 01 Sep	Cathay Pacific
26 Aug - 12 Sep	ANA
25 Aug - 29 Aug	EVA Air
19 Aug - 29 Aug	EVA Air
28 Aug - 31 Aug	Cathay Pacific
17 Aug - 24 Aug	Philippine Airlines
26 Aug - 28 Aug	ANA
28 Aug - 14 Sep	STARLUX Airlines
22 Aug - 25 Aug	ANA
23 Aug - 20 Sep	ANA

Also check the deals for one-way flights from Los Angeles to Seoul 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 Los Angeles to Seoul in August from 681€

Return flights