Cheapest return flights from Seoul to London in August from $728

AirHint found the following cheapest return flights from Seoul (ICN) to London (LHR) in August 2026 (see full year).

Return flights

24 Aug - 03 Sep Air China
26 Aug - 29 Aug Air China
26 Aug - 31 Aug Air China
22 Aug - 29 Aug Air China
31 Aug - 09 Sep Air China
29 Aug - 05 Sep Air China
24 Aug - 11 Sep Air China
31 Aug - 07 Sep Air China
17 Aug - 01 Sep Finnair
17 Aug - 30 Aug Finnair
10 Aug - 17 Aug Finnair
03 Aug - 10 Aug Finnair
23 Aug - 29 Aug Air China
25 Aug - 29 Aug Air China
18 Aug - 29 Aug Air China
25 Aug - 03 Sep Air China
25 Aug - 12 Sep Air China
04 Aug - 10 Aug Finnair
30 Aug - 09 Sep Air China
28 Aug - 11 Sep Air China

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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