Cheapest return flights from Seoul to London in August from 721€

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

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

Return flights

12 Aug - 19 Aug Air India
12 Aug - 26 Aug Air India
12 Aug - 20 Aug Air India
20 Aug - 10 Sep Air China
25 Aug - 08 Sep Finnair
18 Aug - 25 Aug Finnair
18 Aug - 27 Aug Finnair
04 Aug - 17 Aug Finnair
11 Aug - 19 Aug Finnair
11 Aug - 18 Aug Finnair
04 Aug - 18 Aug Finnair
18 Aug - 29 Aug Air China
31 Aug - 06 Sep Finnair
26 Aug - 02 Sep Finnair
26 Aug - 03 Sep Finnair
15 Aug - 06 Sep Finnair
29 Aug - 06 Sep Finnair
28 Aug - 08 Sep Finnair
25 Aug - 25 Sep Finnair
28 Aug - 04 Sep Air China

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

Cheap car rent in London