Cheapest return flights from Seoul to London in August from $712

Best time to book flights for Seoul (ICN) to London (LGW) flights at AirHint

AirHint found the following cheapest return flights from Seoul (ICN) to London (LGW) in August 2025 (see full year).

Return flights

23 Aug - 30 Aug Air China
22 Aug - 26 Aug Air China
22 Aug - 29 Aug Air China
17 Aug - 31 Aug Air China
19 Aug - 22 Aug Air China
21 Aug - 29 Aug Air China
18 Aug - 26 Aug Air China
21 Aug - 28 Aug Air China
30 Aug - 07 Sep Air China
28 Aug - 04 Sep Air China
30 Aug - 06 Sep Air China
25 Aug - 01 Sep Air China
23 Aug - 31 Aug Air China
12 Aug - 19 Aug Air China
29 Aug - 02 Sep China Southern
29 Aug - 06 Sep China Southern

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

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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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