Cheapest return LGW–ICN flights, September

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

Return flights

10 Sep - 12 Oct Air China
23 Sep - 11 Oct Air China
10 Sep - 10 Oct Air China
07 Sep - 15 Oct Air China
19 Sep - 21 Oct Air China
23 Sep - 14 Oct Air China
16 Sep - 11 Oct Air China
21 Sep - 09 Oct Air China
21 Sep - 15 Oct Air China
18 Sep - 09 Oct Air China
01 Sep - 17 Sep China Eastern
02 Sep - 17 Sep China Eastern
14 Sep - 17 Sep China Eastern
12 Sep - 22 Sep Wizz Air UK
15 Sep - 22 Sep China Eastern
19 Sep - 22 Sep Wizz Air UK
15 Sep - 28 Sep China Eastern
12 Sep - 19 Sep Air China
19 Sep - 29 Sep Wizz Air UK
10 Sep - 17 Sep Air China

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

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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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