Cheapest return flights from London to Seoul in August from $536

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

Return flights

30 Aug - 06 Sep Air China
30 Aug - 10 Sep Air China
28 Aug - 04 Sep China Eastern
27 Aug - 05 Sep Hainan Airlines
27 Aug - 08 Sep Hainan Airlines
25 Aug - 02 Sep Hainan Airlines
25 Aug - 10 Sep Hainan Airlines
25 Aug - 04 Sep Hainan Airlines
27 Aug - 23 Sep Hainan Airlines
25 Aug - 11 Sep Hainan Airlines
25 Aug - 29 Aug Hainan Airlines
26 Aug - 29 Aug Air India
25 Aug - 30 Aug Hainan Airlines
28 Aug - 31 Aug Air China
25 Aug - 31 Aug Hainan Airlines
27 Aug - 31 Aug Hainan Airlines
26 Aug - 30 Aug Aer Lingus
25 Aug - 28 Aug Hainan Airlines
29 Aug - 31 Aug China Eastern
26 Aug - 28 Aug Aer Lingus

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Feel free to contact us with any feedback or request another flight research.