Cheapest return flights from London to Seoul in August from $735

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

30 Aug - 13 Sep SWISS
31 Aug - 14 Sep Finnair
31 Aug - 15 Sep Finnair
21 Aug - 29 Aug LOT
28 Aug - 12 Sep LOT
23 Aug - 29 Aug LOT
12 Aug - 26 Aug Finnair
17 Aug - 26 Aug Finnair
25 Aug - 01 Sep Finnair
23 Aug - 07 Sep Finnair
28 Aug - 08 Sep Finnair
29 Aug - 13 Sep Finnair
21 Aug - 11 Sep Finnair
20 Aug - 03 Sep Finnair
20 Aug - 31 Aug Finnair
12 Aug - 31 Aug Finnair
12 Aug - 19 Aug Finnair
17 Aug - 24 Aug Finnair
13 Aug - 17 Aug Finnair
06 Aug - 14 Aug Finnair

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

Skyscanner

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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