Cheapest return flights from London to Seoul in August from $789

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

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

Return flights

31 Aug - 30 Sep Royal Brunei
18 Aug - 02 Sep Hainan Airlines
11 Aug - 18 Aug Air India
20 Aug - 03 Sep Finnair
22 Aug - 06 Sep Finnair
19 Aug - 13 Sep Finnair
20 Aug - 13 Sep Finnair
24 Aug - 13 Sep Finnair
18 Aug - 25 Sep Air India
29 Aug - 13 Sep Finnair
13 Aug - 25 Sep Air India
11 Aug - 16 Aug Air India
13 Aug - 30 Aug Air India
21 Aug - 26 Aug Finnair
11 Aug - 20 Aug Air India
20 Aug - 27 Aug Finnair
18 Aug - 24 Aug Hainan Airlines
18 Aug - 26 Aug Finnair
18 Aug - 25 Aug Hainan Airlines
21 Aug - 27 Aug Finnair

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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