Cheapest return flights from London to Seoul in September from $898

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

Return flights

16 Sep - 07 Oct KLM
01 Sep - 15 Sep KLM
02 Sep - 16 Sep KLM
06 Sep - 16 Sep KLM
09 Sep - 06 Oct KLM
01 Sep - 10 Sep KLM
07 Sep - 14 Sep KLM
01 Sep - 06 Sep SWISS
06 Sep - 21 Sep KLM
11 Sep - 23 Sep SWISS
08 Sep - 22 Sep KLM
23 Sep - 30 Sep Lufthansa
25 Sep - 01 Oct Air Dolomiti
30 Sep - 14 Oct KLM
11 Sep - 01 Oct KLM
25 Sep - 06 Oct KLM
23 Sep - 04 Oct KLM
26 Sep - 10 Oct KLM
25 Sep - 16 Oct KLM
26 Sep - 13 Oct KLM

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

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