Cheapest return flights from London to Seoul in August from $690

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

Return flights

31 Aug - 15 Sep SWISS
31 Aug - 16 Sep Shenzhen Airlines
27 Aug - 17 Sep Hainan Airlines
27 Aug - 09 Sep Hainan Airlines
27 Aug - 10 Sep Hainan Airlines
27 Aug - 04 Sep Hainan Airlines
20 Aug - 04 Sep Hainan Airlines
25 Aug - 17 Sep Hainan Airlines
25 Aug - 11 Sep Hainan Airlines
26 Aug - 14 Sep SWISS
13 Aug - 20 Aug Scandinavian Airlines
06 Aug - 13 Aug Air India
06 Aug - 20 Aug Air India
07 Aug - 13 Aug Air India
05 Aug - 20 Aug Air India
20 Aug - 25 Aug Hainan Airlines
08 Aug - 13 Aug Air India
10 Aug - 20 Aug Air India
03 Aug - 13 Aug Air India
12 Aug - 20 Aug British Airways

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