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

Return flights

30 Aug - 10 Sep	China Eastern
30 Aug - 06 Sep	China Eastern
25 Aug - 05 Sep	China Eastern
04 Aug - 22 Aug	China Eastern
29 Aug - 12 Sep	Air China
31 Aug - 11 Sep	Air China
25 Aug - 01 Sep	Air China
28 Aug - 14 Sep	China Eastern
11 Aug - 29 Aug	Air China
28 Aug - 01 Sep	Air China
28 Aug - 31 Aug	China Eastern
31 Aug - 15 Sep	Air China
18 Aug - 22 Aug	China Eastern
12 Aug - 22 Aug	China Eastern
14 Aug - 27 Aug	China Eastern
04 Aug - 17 Aug	China Eastern
15 Aug - 27 Aug	China Eastern
23 Aug - 28 Aug	China Eastern
16 Aug - 26 Aug	China Eastern
31 Aug - 14 Sep	Philippine Airlines

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 $718

Return flights