Cheapest return flights from Seoul to London in August from $734

AirHint found the following cheapest return flights from Seoul (ICN) to London (LGW) in August 2026 (see full year).

Return flights

31 Aug - 08 Sep Air China
22 Aug - 30 Aug Air China
04 Aug - 11 Aug Lufthansa
25 Aug - 04 Sep Air China
12 Aug - 26 Aug Emirates
13 Aug - 31 Aug Singapore Airlines
26 Aug - 31 Aug Singapore Airlines
09 Aug - 29 Aug Singapore Airlines
06 Aug - 24 Aug Singapore Airlines
18 Aug - 31 Aug Singapore Airlines
26 Aug - 02 Sep Singapore Airlines
24 Aug - 04 Sep Air China
02 Aug - 31 Aug Singapore Airlines
21 Aug - 25 Aug Qatar Airways
25 Aug - 05 Sep Air China
24 Aug - 05 Sep Air China
23 Aug - 27 Sep Emirates
31 Aug - 14 Sep China Southern
26 Aug - 04 Sep China Southern

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