Cheapest return flights from London to Seoul in September from 793€

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

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

Return flights

04 Sep - 18 Sep KLM
07 Sep - 18 Sep KLM
07 Sep - 22 Sep KLM
01 Sep - 18 Sep KLM
08 Sep - 22 Sep KLM
16 Sep - 01 Oct ITA Airways
30 Sep - 11 Oct SWISS
30 Sep - 14 Oct ITA Airways
29 Sep - 13 Oct SWISS
08 Sep - 10 Oct KLM
12 Sep - 22 Sep SWISS
01 Sep - 12 Sep KLM
29 Sep - 09 Oct SWISS
01 Sep - 16 Sep KLM
01 Sep - 13 Sep KLM
08 Sep - 17 Sep KLM
22 Sep - 06 Oct ITA Airways
24 Sep - 01 Oct ITA Airways
17 Sep - 04 Oct ITA Airways
29 Sep - 14 Oct Lufthansa

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

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.

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